1325 lines
40 KiB
TypeScript
1325 lines
40 KiB
TypeScript
"use client";
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/* eslint-disable @next/next/no-img-element */
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import { Html, OrbitControls } from "@react-three/drei";
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import { Canvas, type ThreeEvent, useFrame, useThree } from "@react-three/fiber";
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import { SparkRenderer, SplatMesh as SparkSplatMesh } from "@sparkjsdev/spark";
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import {
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AlertCircle,
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Crosshair,
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Globe,
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ImageIcon,
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Loader2,
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Sparkles,
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} from "lucide-react";
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import React, { Suspense, useEffect, useMemo, useRef, useState } from "react";
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import * as THREE from "three";
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import {
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type Model3DLayer,
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type Model3DStats,
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Model3DViewer,
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type Model3DViewerSettings,
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} from "@/components/canvas/model3d/Model3DViewer";
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import { Badge } from "@/components/ui/badge";
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import { cn } from "@/lib/utils";
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import type { World3DHotspot, World3DViewMode } from "@/types/canvas";
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type World3DPickResult = {
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point: [number, number, number];
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};
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type MovementCommand =
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| "forward"
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| "backward"
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| "left"
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| "right"
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| "up"
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| "down";
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type MovementState = Record<MovementCommand, boolean>;
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type SplatLoadingPhase = "loading" | "revealing" | "hidden";
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type SplatParticleCloudData = {
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count: number;
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colors: Float32Array;
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positions: Float32Array;
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seeds: Float32Array;
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};
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type SparkRevealProfile = {
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blurAmount: number;
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preBlurAmount: number;
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minAlpha: number;
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maxStdDev: number;
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focalAdjustment: number;
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falloff: number;
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opacity: number;
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};
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type WorldCameraPose = {
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cameraPosition: THREE.Vector3;
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targetPosition: THREE.Vector3;
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};
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type World3DViewerProps = {
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mode: World3DViewMode;
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worldUrl?: string | null;
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imageUrl?: string | null;
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meshUrl?: string | null;
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splatUrl?: string | null;
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previewImageUrl?: string | null;
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emptyStateTitle?: string;
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minimalFrame?: boolean;
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meshSettings?: Model3DViewerSettings;
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meshLayerVisibility?: Record<string, boolean>;
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onMeshLayersChange?: (layers: Model3DLayer[]) => void;
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onMeshStatsChange?: (stats: Model3DStats) => void;
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firstPerson?: boolean;
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hotspots?: World3DHotspot[];
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interactionMode?: "navigate" | "hotspot";
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onPick?: (pick: World3DPickResult) => void;
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onHotspotSelect?: (hotspotId: string) => void;
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semanticsMetadata?: Record<string, unknown> | null;
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className?: string;
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resetViewToken?: number;
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onCaptureReady?: (capture: (() => Promise<Blob | null>) | null) => void;
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};
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const DEFAULT_MESH_SETTINGS: Model3DViewerSettings = {
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cameraPreset: "iso",
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envPreset: "city",
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lightIntensity: 1,
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autoRotate: false,
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showGrid: true,
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wireframe: false,
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};
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const EMPTY_MOVEMENT_STATE: MovementState = {
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forward: false,
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backward: false,
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left: false,
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right: false,
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up: false,
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down: false,
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};
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const SPLAT_LOADING_PROFILE: SparkRevealProfile = {
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blurAmount: 1.15,
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preBlurAmount: 0.34,
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minAlpha: 0.1,
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maxStdDev: Math.sqrt(10.5),
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focalAdjustment: 0.82,
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falloff: 0.72,
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opacity: 0,
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};
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const SPLAT_PARTICLE_PROFILE: SparkRevealProfile = {
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blurAmount: 0.01,
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preBlurAmount: 0,
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minAlpha: 0.28,
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maxStdDev: Math.sqrt(1.45),
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focalAdjustment: 3.05,
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falloff: 0.08,
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opacity: 1,
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};
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const SPLAT_NORMAL_PROFILE: SparkRevealProfile = {
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blurAmount: 0.12,
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preBlurAmount: 0.02,
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minAlpha: 0.015,
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maxStdDev: Math.sqrt(6.5),
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focalAdjustment: 1.18,
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falloff: 1,
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opacity: 1,
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};
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function applySparkRevealProfile(
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sparkRenderer: SparkRenderer,
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splatMesh: SparkSplatMesh,
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profile: SparkRevealProfile
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) {
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splatMesh.opacity = profile.opacity;
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sparkRenderer.blurAmount = profile.blurAmount;
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sparkRenderer.preBlurAmount = profile.preBlurAmount;
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sparkRenderer.minAlpha = profile.minAlpha;
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sparkRenderer.maxStdDev = profile.maxStdDev;
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sparkRenderer.focalAdjustment = profile.focalAdjustment;
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sparkRenderer.falloff = profile.falloff;
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}
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function lerpSparkRevealProfile(
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from: SparkRevealProfile,
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to: SparkRevealProfile,
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progress: number
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): SparkRevealProfile {
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return {
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blurAmount: THREE.MathUtils.lerp(from.blurAmount, to.blurAmount, progress),
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preBlurAmount: THREE.MathUtils.lerp(from.preBlurAmount, to.preBlurAmount, progress),
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minAlpha: THREE.MathUtils.lerp(from.minAlpha, to.minAlpha, progress),
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maxStdDev: THREE.MathUtils.lerp(from.maxStdDev, to.maxStdDev, progress),
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focalAdjustment: THREE.MathUtils.lerp(
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from.focalAdjustment,
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to.focalAdjustment,
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progress
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),
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falloff: THREE.MathUtils.lerp(from.falloff, to.falloff, progress),
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opacity: THREE.MathUtils.lerp(from.opacity, to.opacity, progress),
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};
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}
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const SPLAT_REVEAL_DURATION_MS = 2600;
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const SPLAT_PARTICLE_SAMPLE_LIMIT = 1800;
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const KEY_TO_MOVEMENT: Partial<Record<string, MovementCommand>> = {
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KeyW: "forward",
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ArrowUp: "forward",
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KeyS: "backward",
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ArrowDown: "backward",
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KeyA: "left",
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ArrowLeft: "left",
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KeyD: "right",
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ArrowRight: "right",
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KeyQ: "up",
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KeyR: "up",
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PageUp: "up",
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KeyE: "down",
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KeyF: "down",
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PageDown: "down",
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};
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function isEditableKeyboardTarget(target: EventTarget | null) {
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if (!(target instanceof HTMLElement)) return false;
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if (target.isContentEditable) return true;
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const editableSelector = "input, textarea, select, [contenteditable='true'], [role='textbox']";
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if (target.matches(editableSelector)) return true;
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return Boolean(target.closest(editableSelector));
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}
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function getSemanticFacts(metadata?: Record<string, unknown> | null) {
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if (!metadata) return [];
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const facts: Array<{ label: string; value: string }> = [];
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const scaleFactor = metadata.metric_scale_factor;
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if (typeof scaleFactor === "number" && Number.isFinite(scaleFactor)) {
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facts.push({
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label: "比例尺",
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value: `${scaleFactor.toFixed(3)}x`,
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});
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}
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const groundOffset = metadata.ground_plane_offset;
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if (typeof groundOffset === "number" && Number.isFinite(groundOffset)) {
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facts.push({
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label: "地平面偏移",
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value: `${groundOffset.toFixed(2)}m`,
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});
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}
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return facts;
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}
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function seededUnit(index: number, salt: number) {
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const value = Math.sin(index * 12.9898 + salt * 78.233) * 43758.5453;
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return value - Math.floor(value);
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}
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function buildSplatParticleCloudData(
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splatMesh: SparkSplatMesh,
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sampleLimit = SPLAT_PARTICLE_SAMPLE_LIMIT
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): SplatParticleCloudData | null {
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const packedSplats = splatMesh.packedSplats;
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const totalSplats = Math.max(0, packedSplats?.numSplats || 0);
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if (!totalSplats) return null;
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const targetCount = Math.min(sampleLimit, totalSplats);
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const sampleStep = Math.max(totalSplats / targetCount, 1);
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const points: Array<{
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center: THREE.Vector3;
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color: THREE.Color;
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opacity: number;
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}> = [];
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const warmWhite = new THREE.Color("#fff1dc");
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for (let sampleIndex = 0; sampleIndex < targetCount; sampleIndex += 1) {
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const index = Math.min(Math.floor(sampleIndex * sampleStep), totalSplats - 1);
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const { center, opacity, color } = packedSplats.getSplat(index);
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if (opacity < 0.035) continue;
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points.push({
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center,
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color,
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opacity,
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});
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}
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if (!points.length) return null;
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const colors = new Float32Array(points.length * 3);
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const positions = new Float32Array(points.length * 3);
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const seeds = new Float32Array(points.length);
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points.forEach((point, index) => {
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const stride = index * 3;
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const displayColor = point.color
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.clone()
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.lerp(warmWhite, 0.28)
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.multiplyScalar(0.86 + Math.min(point.opacity, 1) * 0.32);
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positions[stride] = point.center.x;
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positions[stride + 1] = point.center.y;
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positions[stride + 2] = point.center.z;
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colors[stride] = displayColor.r;
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colors[stride + 1] = displayColor.g;
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colors[stride + 2] = displayColor.b;
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seeds[index] = seededUnit(index, 31) * Math.PI * 2;
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});
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return {
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count: points.length,
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colors,
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positions,
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seeds,
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};
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}
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function positionCameraInsideWorld({
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camera,
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controls,
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splatMesh,
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groundPlaneOffset,
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}: {
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camera: THREE.Camera;
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controls: { target?: THREE.Vector3; update?: () => void } | null;
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splatMesh: SparkSplatMesh;
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groundPlaneOffset: number | null;
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}): WorldCameraPose | null {
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if (!(camera instanceof THREE.PerspectiveCamera)) return null;
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splatMesh.updateMatrixWorld(true);
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const worldBounds = splatMesh.getBoundingBox(true).clone().applyMatrix4(splatMesh.matrixWorld);
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if (worldBounds.isEmpty()) return null;
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const center = worldBounds.getCenter(new THREE.Vector3());
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const size = worldBounds.getSize(new THREE.Vector3());
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const horizontalAxis =
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size.z >= size.x ? new THREE.Vector3(0, 0, 1) : new THREE.Vector3(1, 0, 0);
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const majorSpan = Math.max(horizontalAxis.z === 1 ? size.z : size.x, 1.4);
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const marginX = Math.max(size.x * 0.12, 0.35);
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const marginZ = Math.max(size.z * 0.12, 0.35);
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const rawEyeY =
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groundPlaneOffset !== null
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? groundPlaneOffset + 1.58
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: center.y - size.y * 0.08 + Math.max(size.y * 0.22, 0.9);
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const minEyeY = worldBounds.min.y + Math.max(size.y * 0.1, 0.55);
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const maxEyeY = worldBounds.max.y - Math.max(size.y * 0.14, 0.38);
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const eyeY =
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minEyeY <= maxEyeY
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? THREE.MathUtils.clamp(rawEyeY, minEyeY, maxEyeY)
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: center.y;
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const anchor = new THREE.Vector3(center.x, eyeY, center.z);
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const cameraPosition = anchor
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.clone()
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.addScaledVector(horizontalAxis, Math.max(majorSpan * 0.12, 0.65));
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cameraPosition.x = THREE.MathUtils.clamp(
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cameraPosition.x,
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worldBounds.min.x + marginX,
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worldBounds.max.x - marginX
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);
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cameraPosition.z = THREE.MathUtils.clamp(
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cameraPosition.z,
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worldBounds.min.z + marginZ,
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worldBounds.max.z - marginZ
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);
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const lookDirection = anchor.clone().sub(cameraPosition).normalize();
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const anchorDistance = cameraPosition.distanceTo(anchor);
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const targetPosition = cameraPosition
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.clone()
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.addScaledVector(lookDirection, THREE.MathUtils.clamp(anchorDistance * 0.8, 0.55, 1.2));
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camera.position.copy(cameraPosition);
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camera.lookAt(targetPosition);
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camera.updateProjectionMatrix();
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if (controls?.target) {
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controls.target.copy(targetPosition);
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controls.update?.();
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}
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return {
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cameraPosition: cameraPosition.clone(),
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targetPosition: targetPosition.clone(),
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};
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}
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function WorldEmptyState({
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icon: Icon,
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title,
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description,
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fillFrame = false,
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previewImageUrl,
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}: {
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icon: React.ComponentType<{ className?: string }>;
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title: string;
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description: string;
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fillFrame?: boolean;
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previewImageUrl?: string | null;
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}) {
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if (previewImageUrl && fillFrame) {
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return (
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<div className="relative h-full w-full overflow-hidden bg-zinc-950">
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<img
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alt={title}
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className="h-full w-full object-cover"
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src={previewImageUrl}
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/>
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<div className="absolute inset-0 flex items-center justify-center bg-black/10">
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<Loader2 className="h-7 w-7 animate-spin text-white/55 drop-shadow" />
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</div>
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</div>
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);
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}
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if (fillFrame) {
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return (
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<div className="flex h-full w-full items-center justify-center bg-zinc-950/70">
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<div className="flex h-20 w-20 items-center justify-center rounded-2xl bg-zinc-900/60 shadow-inner">
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<Icon className="h-10 w-10 text-zinc-700" />
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</div>
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</div>
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);
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}
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return (
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<div className="flex h-full w-full flex-col items-center justify-center gap-4 bg-zinc-950/70 p-6 text-center">
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{previewImageUrl ? (
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<div className="relative aspect-video w-full max-w-xl overflow-hidden rounded-2xl border border-white/10 bg-black/40 shadow-2xl">
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<img
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alt={title}
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className="h-full w-full object-cover opacity-50"
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src={previewImageUrl}
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/>
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<div className="absolute inset-0 flex items-center justify-center bg-black/30 backdrop-blur-[1px]">
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<Loader2 className="h-8 w-8 animate-spin text-white/40" />
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</div>
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</div>
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) : (
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<div className="flex h-20 w-20 items-center justify-center rounded-2xl bg-zinc-900/60 shadow-inner">
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<Icon className="h-10 w-10 text-zinc-700" />
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</div>
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)}
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<div className="space-y-2">
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<p className="font-medium text-lg text-zinc-200">{title}</p>
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<p className="max-w-md text-sm text-zinc-500">{description}</p>
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</div>
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</div>
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);
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}
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function SplatParticleCloud({
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data,
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phase,
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}: {
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data: SplatParticleCloudData;
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phase: SplatLoadingPhase;
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}) {
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const geometryRef = useRef<THREE.BufferGeometry>(null);
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const materialRef = useRef<THREE.PointsMaterial>(null);
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const pointsRef = useRef<THREE.Points>(null);
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const phaseRef = useRef<SplatLoadingPhase>(phase);
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const phaseStartedAtRef = useRef(performance.now());
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const positionBuffer = useMemo(() => data.positions.slice(), [data.positions]);
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useEffect(() => {
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if (phaseRef.current !== phase) {
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phaseRef.current = phase;
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phaseStartedAtRef.current = performance.now();
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}
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}, [phase]);
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useEffect(() => {
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if (pointsRef.current) {
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pointsRef.current.raycast = () => null;
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}
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}, []);
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useFrame((state) => {
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const geometry = geometryRef.current;
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const material = materialRef.current;
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if (!geometry || !material) return;
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const phaseNow = phaseRef.current;
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const elapsedSincePhase = performance.now() - phaseStartedAtRef.current;
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const revealProgress =
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phaseNow === "revealing"
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? THREE.MathUtils.smoothstep(
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Math.min(elapsedSincePhase / SPLAT_REVEAL_DURATION_MS, 1),
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0,
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1
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)
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: phaseNow === "hidden"
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? 1
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: 0;
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const particleIntroEnd = 0.18;
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const particleHoldEnd = 0.62;
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let particleOpacity = 0;
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let particleSize = 0.01;
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if (phaseNow === "revealing") {
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if (revealProgress < particleIntroEnd) {
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const intro = THREE.MathUtils.smoothstep(revealProgress / particleIntroEnd, 0, 1);
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particleOpacity = THREE.MathUtils.lerp(0.08, 0.92, intro);
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particleSize = THREE.MathUtils.lerp(0.01, 0.028, intro);
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} else if (revealProgress < particleHoldEnd) {
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particleOpacity = 0.92;
|
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particleSize = 0.028;
|
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} else {
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const outro = THREE.MathUtils.smoothstep(
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(revealProgress - particleHoldEnd) / (1 - particleHoldEnd),
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0,
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1
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);
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particleOpacity = THREE.MathUtils.lerp(0.92, 0, outro);
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particleSize = THREE.MathUtils.lerp(0.028, 0.006, outro);
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}
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}
|
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|
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const positionAttribute = geometry.getAttribute("position");
|
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const positions = positionAttribute.array as Float32Array;
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const time = state.clock.getElapsedTime();
|
||
const jitterStrength = phaseNow === "revealing" ? (1 - revealProgress) * 0.012 : 0;
|
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|
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for (let index = 0; index < data.count; index += 1) {
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const stride = index * 3;
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const seed = data.seeds[index] || 0;
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positions[stride] = data.positions[stride] + Math.sin(time * 2.8 + seed) * jitterStrength;
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positions[stride + 1] =
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data.positions[stride + 1] +
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Math.cos(time * 2.3 + seed * 1.7) * jitterStrength * 0.7;
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positions[stride + 2] =
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data.positions[stride + 2] + Math.sin(time * 2.1 + seed * 0.6) * jitterStrength;
|
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}
|
||
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positionAttribute.needsUpdate = true;
|
||
material.opacity = particleOpacity;
|
||
material.size = particleSize;
|
||
material.visible = particleOpacity > 0.001;
|
||
});
|
||
|
||
return (
|
||
<group rotation={[Math.PI, 0, 0]}>
|
||
<points
|
||
frustumCulled={false}
|
||
ref={pointsRef}
|
||
renderOrder={11}
|
||
>
|
||
<bufferGeometry ref={geometryRef}>
|
||
<bufferAttribute attach="attributes-position" args={[positionBuffer, 3]} />
|
||
<bufferAttribute attach="attributes-color" args={[data.colors, 3]} />
|
||
</bufferGeometry>
|
||
<pointsMaterial
|
||
blending={THREE.AdditiveBlending}
|
||
depthTest
|
||
depthWrite={false}
|
||
ref={materialRef}
|
||
size={0.02}
|
||
sizeAttenuation
|
||
toneMapped={false}
|
||
transparent
|
||
vertexColors
|
||
/>
|
||
</points>
|
||
</group>
|
||
);
|
||
}
|
||
|
||
function WorldSplatLoadingOverlay({
|
||
previewImageUrl,
|
||
phase,
|
||
}: {
|
||
previewImageUrl?: string | null;
|
||
phase: Exclude<SplatLoadingPhase, "hidden">;
|
||
}) {
|
||
const isRevealing = phase === "revealing";
|
||
|
||
return (
|
||
<>
|
||
{phase === "loading" ? (
|
||
<div className="pointer-events-none absolute inset-0 overflow-hidden transition-opacity duration-300">
|
||
{previewImageUrl ? (
|
||
<img
|
||
alt="世界预览"
|
||
className="absolute inset-0 h-full w-full object-cover opacity-[0.1] blur-[10px] saturate-[0.72]"
|
||
src={previewImageUrl}
|
||
/>
|
||
) : null}
|
||
<div className="absolute inset-0 bg-[radial-gradient(circle_at_center,_rgba(255,245,220,0.05)_0%,_rgba(11,15,25,0.08)_24%,_rgba(1,2,6,0.38)_100%)]" />
|
||
</div>
|
||
) : null}
|
||
|
||
<div
|
||
className={cn(
|
||
"pointer-events-none absolute bottom-5 left-5 transition-all duration-300 opacity-100"
|
||
)}
|
||
>
|
||
<div className="rounded-2xl border border-white/10 bg-black/45 px-3 py-2 shadow-[0_20px_60px_rgba(0,0,0,0.38)] backdrop-blur-xl">
|
||
<div className="flex items-center gap-2 text-[11px] text-zinc-100">
|
||
<Sparkles className="h-3.5 w-3.5 text-cyan-200" />
|
||
<span>{isRevealing ? "世界数据正在聚合" : "正在载入世界数据"}</span>
|
||
</div>
|
||
<div className="mt-1 flex items-center gap-2 text-[10px] text-zinc-400">
|
||
<Loader2 className="h-3 w-3 animate-spin" />
|
||
<span>{isRevealing ? "当前世界正在从颗粒态恢复细节" : "空间数据准备中"}</span>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</>
|
||
);
|
||
}
|
||
|
||
function createMovementState(): MovementState {
|
||
return { ...EMPTY_MOVEMENT_STATE };
|
||
}
|
||
|
||
function CameraMovementControls({
|
||
enabled,
|
||
firstPerson,
|
||
orbitControlsRef,
|
||
}: {
|
||
enabled: boolean;
|
||
firstPerson: boolean;
|
||
orbitControlsRef: React.MutableRefObject<any>;
|
||
}) {
|
||
const { camera } = useThree();
|
||
const pressedKeysRef = useRef<MovementState>(createMovementState());
|
||
const directionRef = useRef(new THREE.Vector3());
|
||
const rightRef = useRef(new THREE.Vector3());
|
||
const upRef = useRef(new THREE.Vector3());
|
||
const moveRef = useRef(new THREE.Vector3());
|
||
|
||
useEffect(() => {
|
||
if (!enabled) {
|
||
pressedKeysRef.current = createMovementState();
|
||
return;
|
||
}
|
||
|
||
const handleKeyDown = (event: KeyboardEvent) => {
|
||
const movement = KEY_TO_MOVEMENT[event.code];
|
||
if (!movement) return;
|
||
if (event.metaKey || event.ctrlKey || event.altKey) return;
|
||
if (isEditableKeyboardTarget(event.target)) {
|
||
pressedKeysRef.current = createMovementState();
|
||
return;
|
||
}
|
||
event.preventDefault();
|
||
pressedKeysRef.current[movement] = true;
|
||
};
|
||
const handleKeyUp = (event: KeyboardEvent) => {
|
||
const movement = KEY_TO_MOVEMENT[event.code];
|
||
if (!movement) return;
|
||
if (isEditableKeyboardTarget(event.target)) {
|
||
pressedKeysRef.current = createMovementState();
|
||
return;
|
||
}
|
||
event.preventDefault();
|
||
pressedKeysRef.current[movement] = false;
|
||
};
|
||
const handleFocusIn = (event: FocusEvent) => {
|
||
if (isEditableKeyboardTarget(event.target)) {
|
||
pressedKeysRef.current = createMovementState();
|
||
}
|
||
};
|
||
|
||
window.addEventListener("keydown", handleKeyDown);
|
||
window.addEventListener("keyup", handleKeyUp);
|
||
window.addEventListener("focusin", handleFocusIn);
|
||
|
||
return () => {
|
||
window.removeEventListener("keydown", handleKeyDown);
|
||
window.removeEventListener("keyup", handleKeyUp);
|
||
window.removeEventListener("focusin", handleFocusIn);
|
||
};
|
||
}, [enabled]);
|
||
|
||
useFrame((_, delta) => {
|
||
if (!enabled) return;
|
||
|
||
const pressed = pressedKeysRef.current;
|
||
const hasMovement = Object.values(pressed).some(Boolean);
|
||
if (!hasMovement) return;
|
||
|
||
const moveSpeed = 3.8;
|
||
const distance = moveSpeed * delta;
|
||
|
||
camera.getWorldDirection(directionRef.current);
|
||
directionRef.current.setY(0).normalize();
|
||
rightRef.current.crossVectors(directionRef.current, camera.up).normalize();
|
||
upRef.current.copy(camera.up).normalize();
|
||
|
||
moveRef.current.set(0, 0, 0);
|
||
|
||
if (pressed.forward) {
|
||
moveRef.current.add(directionRef.current);
|
||
}
|
||
if (pressed.backward) {
|
||
moveRef.current.addScaledVector(directionRef.current, -1);
|
||
}
|
||
if (pressed.left) {
|
||
moveRef.current.addScaledVector(rightRef.current, -1);
|
||
}
|
||
if (pressed.right) {
|
||
moveRef.current.add(rightRef.current);
|
||
}
|
||
if (pressed.up) {
|
||
moveRef.current.add(upRef.current);
|
||
}
|
||
if (pressed.down) {
|
||
moveRef.current.addScaledVector(upRef.current, -1);
|
||
}
|
||
|
||
if (moveRef.current.lengthSq() === 0) return;
|
||
|
||
moveRef.current.normalize().multiplyScalar(distance);
|
||
camera.position.add(moveRef.current);
|
||
|
||
if (orbitControlsRef.current?.target) {
|
||
orbitControlsRef.current.target.add(moveRef.current);
|
||
}
|
||
orbitControlsRef.current?.update?.();
|
||
});
|
||
|
||
return null;
|
||
}
|
||
|
||
function HotspotBillboard({
|
||
hotspot,
|
||
onSelect,
|
||
}: {
|
||
hotspot: World3DHotspot;
|
||
onSelect?: (hotspotId: string) => void;
|
||
}) {
|
||
return (
|
||
<group position={[hotspot.position.x, hotspot.position.y, hotspot.position.z]}>
|
||
<mesh
|
||
onClick={(event) => {
|
||
event.stopPropagation();
|
||
onSelect?.(hotspot.id);
|
||
}}
|
||
>
|
||
<sphereGeometry args={[0.07, 24, 24]} />
|
||
<meshStandardMaterial color="#facc15" emissive="#ca8a04" emissiveIntensity={0.8} />
|
||
</mesh>
|
||
<Html center distanceFactor={8} position={[0, 0.14, 0]}>
|
||
<div className="rounded-full border border-yellow-400/30 bg-black/70 px-2 py-1 text-[10px] font-medium text-yellow-200 shadow-lg backdrop-blur-sm">
|
||
{hotspot.label}
|
||
</div>
|
||
</Html>
|
||
</group>
|
||
);
|
||
}
|
||
|
||
function WorldSplatScene({
|
||
splatUrl,
|
||
revealPhase = "loading",
|
||
firstPerson = false,
|
||
hotspots = [],
|
||
interactionMode = "navigate",
|
||
onPick,
|
||
onHotspotSelect,
|
||
semanticsMetadata,
|
||
onLoadStateChange,
|
||
onRevealComplete,
|
||
resetViewToken,
|
||
}: {
|
||
splatUrl: string;
|
||
revealPhase?: SplatLoadingPhase;
|
||
firstPerson?: boolean;
|
||
hotspots?: World3DHotspot[];
|
||
interactionMode?: "navigate" | "hotspot";
|
||
onPick?: (pick: World3DPickResult) => void;
|
||
onHotspotSelect?: (hotspotId: string) => void;
|
||
semanticsMetadata?: Record<string, unknown> | null;
|
||
onLoadStateChange?: (state: "ready" | "error") => void;
|
||
onRevealComplete?: () => void;
|
||
resetViewToken?: number;
|
||
}) {
|
||
const camera = useThree((state) => state.camera);
|
||
const renderer = useThree((state) => state.gl);
|
||
const orbitControlsRef = useRef<any>(null);
|
||
const hasAppliedInitialViewRef = useRef(false);
|
||
const lastCameraPoseRef = useRef<WorldCameraPose | null>(null);
|
||
const lastResetViewTokenRef = useRef<number | undefined>(resetViewToken);
|
||
const revealCompletedRef = useRef(false);
|
||
const [controlsMountVersion, setControlsMountVersion] = useState(0);
|
||
const [particleCloudData, setParticleCloudData] = useState<SplatParticleCloudData | null>(null);
|
||
const semanticFacts = useMemo(
|
||
() => getSemanticFacts(semanticsMetadata),
|
||
[semanticsMetadata]
|
||
);
|
||
const revealPhaseRef = useRef<SplatLoadingPhase>(revealPhase);
|
||
const revealStartedAtRef = useRef(performance.now());
|
||
const sparkRenderer = useMemo(
|
||
() =>
|
||
new SparkRenderer({
|
||
renderer,
|
||
blurAmount: 0.18,
|
||
maxStdDev: Math.sqrt(7),
|
||
originDistance: 0.85,
|
||
view: {
|
||
sortRadial: true,
|
||
sortDistance: 0.04,
|
||
},
|
||
}),
|
||
[renderer]
|
||
);
|
||
const splatMesh = useMemo(() => new SparkSplatMesh({ url: splatUrl }), [splatUrl]);
|
||
const groundPlaneOffset =
|
||
typeof semanticsMetadata?.ground_plane_offset === "number"
|
||
? -semanticsMetadata.ground_plane_offset
|
||
: null;
|
||
const handleOrbitControlsRef = React.useCallback((controls: any | null) => {
|
||
orbitControlsRef.current = controls;
|
||
setControlsMountVersion((version) => version + 1);
|
||
}, []);
|
||
|
||
useEffect(() => {
|
||
sparkRenderer.frustumCulled = false;
|
||
sparkRenderer.renderOrder = 10;
|
||
applySparkRevealProfile(sparkRenderer, splatMesh, SPLAT_NORMAL_PROFILE);
|
||
return () => {
|
||
sparkRenderer.removeFromParent();
|
||
};
|
||
}, [sparkRenderer, splatMesh]);
|
||
|
||
useEffect(() => {
|
||
if (revealPhaseRef.current !== revealPhase) {
|
||
revealPhaseRef.current = revealPhase;
|
||
revealStartedAtRef.current = performance.now();
|
||
if (revealPhase === "loading") {
|
||
revealCompletedRef.current = false;
|
||
}
|
||
}
|
||
}, [revealPhase]);
|
||
|
||
useEffect(() => {
|
||
hasAppliedInitialViewRef.current = false;
|
||
lastCameraPoseRef.current = null;
|
||
lastResetViewTokenRef.current = resetViewToken;
|
||
revealCompletedRef.current = false;
|
||
setParticleCloudData(null);
|
||
splatMesh.frustumCulled = false;
|
||
splatMesh.rotation.x = Math.PI;
|
||
applySparkRevealProfile(sparkRenderer, splatMesh, SPLAT_LOADING_PROFILE);
|
||
|
||
let cancelled = false;
|
||
let idleCallbackId: number | null = null;
|
||
let timeoutId: ReturnType<typeof globalThis.setTimeout> | null = null;
|
||
splatMesh.initialized
|
||
.then(() => {
|
||
if (cancelled) return;
|
||
window.requestAnimationFrame(() => {
|
||
if (cancelled || hasAppliedInitialViewRef.current) return;
|
||
lastCameraPoseRef.current = positionCameraInsideWorld({
|
||
camera,
|
||
controls: orbitControlsRef.current,
|
||
groundPlaneOffset,
|
||
splatMesh,
|
||
});
|
||
hasAppliedInitialViewRef.current = true;
|
||
onLoadStateChange?.("ready");
|
||
|
||
const buildParticleCloud = () => {
|
||
if (cancelled) return;
|
||
setParticleCloudData(buildSplatParticleCloudData(splatMesh));
|
||
};
|
||
|
||
if ("requestIdleCallback" in window) {
|
||
idleCallbackId = window.requestIdleCallback(buildParticleCloud, {
|
||
timeout: 900,
|
||
});
|
||
} else {
|
||
timeoutId = globalThis.setTimeout(buildParticleCloud, 120);
|
||
}
|
||
});
|
||
})
|
||
.catch(() => {
|
||
if (!cancelled) onLoadStateChange?.("error");
|
||
});
|
||
return () => {
|
||
cancelled = true;
|
||
if (idleCallbackId !== null && "cancelIdleCallback" in window) {
|
||
window.cancelIdleCallback(idleCallbackId);
|
||
}
|
||
if (timeoutId !== null) {
|
||
globalThis.clearTimeout(timeoutId);
|
||
}
|
||
splatMesh.dispose();
|
||
};
|
||
}, [camera, groundPlaneOffset, onLoadStateChange, sparkRenderer, splatMesh]);
|
||
|
||
useEffect(() => {
|
||
if (!hasAppliedInitialViewRef.current) return;
|
||
if (lastResetViewTokenRef.current === resetViewToken) return;
|
||
lastResetViewTokenRef.current = resetViewToken;
|
||
lastCameraPoseRef.current = positionCameraInsideWorld({
|
||
camera,
|
||
controls: orbitControlsRef.current,
|
||
groundPlaneOffset,
|
||
splatMesh,
|
||
});
|
||
}, [camera, groundPlaneOffset, resetViewToken, splatMesh]);
|
||
|
||
useEffect(() => {
|
||
if (!orbitControlsRef.current || !lastCameraPoseRef.current) return;
|
||
|
||
camera.position.copy(lastCameraPoseRef.current.cameraPosition);
|
||
camera.lookAt(lastCameraPoseRef.current.targetPosition);
|
||
if (camera instanceof THREE.PerspectiveCamera) {
|
||
camera.updateProjectionMatrix();
|
||
}
|
||
orbitControlsRef.current.target?.copy(lastCameraPoseRef.current.targetPosition);
|
||
orbitControlsRef.current.update?.();
|
||
}, [camera, controlsMountVersion]);
|
||
|
||
useFrame(() => {
|
||
const phase = revealPhaseRef.current;
|
||
const revealElapsed =
|
||
phase === "revealing"
|
||
? Math.min((performance.now() - revealStartedAtRef.current) / SPLAT_REVEAL_DURATION_MS, 1)
|
||
: 0;
|
||
const easedReveal = THREE.MathUtils.smoothstep(revealElapsed, 0, 1);
|
||
|
||
if (phase === "loading") {
|
||
applySparkRevealProfile(sparkRenderer, splatMesh, SPLAT_LOADING_PROFILE);
|
||
} else if (phase === "revealing") {
|
||
const particleIntroEnd = 0.2;
|
||
const particleHoldEnd = 0.6;
|
||
let profile = SPLAT_PARTICLE_PROFILE;
|
||
|
||
if (easedReveal < particleIntroEnd) {
|
||
profile = lerpSparkRevealProfile(
|
||
SPLAT_LOADING_PROFILE,
|
||
SPLAT_PARTICLE_PROFILE,
|
||
THREE.MathUtils.smoothstep(easedReveal / particleIntroEnd, 0, 1)
|
||
);
|
||
} else if (easedReveal < particleHoldEnd) {
|
||
const pulse = Math.sin((performance.now() - revealStartedAtRef.current) * 0.008) * 0.02;
|
||
profile = {
|
||
...SPLAT_PARTICLE_PROFILE,
|
||
minAlpha: SPLAT_PARTICLE_PROFILE.minAlpha + pulse,
|
||
focalAdjustment: SPLAT_PARTICLE_PROFILE.focalAdjustment + pulse * 2.4,
|
||
};
|
||
} else {
|
||
const granularProgress = (easedReveal - particleHoldEnd) / (1 - particleHoldEnd);
|
||
profile = lerpSparkRevealProfile(
|
||
SPLAT_PARTICLE_PROFILE,
|
||
SPLAT_NORMAL_PROFILE,
|
||
THREE.MathUtils.smoothstep(granularProgress, 0, 1)
|
||
);
|
||
}
|
||
applySparkRevealProfile(sparkRenderer, splatMesh, profile);
|
||
if (revealElapsed >= 1 && !revealCompletedRef.current) {
|
||
revealCompletedRef.current = true;
|
||
onRevealComplete?.();
|
||
}
|
||
} else {
|
||
applySparkRevealProfile(sparkRenderer, splatMesh, SPLAT_NORMAL_PROFILE);
|
||
}
|
||
|
||
sparkRenderer.needsUpdate = true;
|
||
});
|
||
|
||
const handlePointerDown = (event: ThreeEvent<PointerEvent>) => {
|
||
if (interactionMode !== "hotspot") return;
|
||
event.stopPropagation();
|
||
onPick?.({
|
||
point: [event.point.x, event.point.y, event.point.z],
|
||
});
|
||
};
|
||
|
||
return (
|
||
<>
|
||
<color args={["#020617"]} attach="background" />
|
||
<fog attach="fog" args={["#020617", 10, 45]} />
|
||
<ambientLight intensity={1.6} />
|
||
<directionalLight intensity={1.25} position={[6, 10, 4]} />
|
||
{groundPlaneOffset !== null ? (
|
||
<gridHelper
|
||
args={[18, 18, "#334155", "#0f172a"]}
|
||
position={[0, groundPlaneOffset, 0]}
|
||
/>
|
||
) : null}
|
||
<Suspense fallback={null}>
|
||
<primitive object={sparkRenderer}>
|
||
<primitive object={splatMesh} onPointerDown={handlePointerDown} />
|
||
</primitive>
|
||
</Suspense>
|
||
{particleCloudData ? <SplatParticleCloud data={particleCloudData} phase={revealPhase} /> : null}
|
||
{hotspots.map((hotspot) => (
|
||
<HotspotBillboard
|
||
hotspot={hotspot}
|
||
key={hotspot.id}
|
||
onSelect={onHotspotSelect}
|
||
/>
|
||
))}
|
||
<CameraMovementControls
|
||
enabled={interactionMode === "navigate" && firstPerson}
|
||
firstPerson={firstPerson}
|
||
orbitControlsRef={orbitControlsRef}
|
||
/>
|
||
{!firstPerson ? (
|
||
<OrbitControls
|
||
autoRotate={false}
|
||
dampingFactor={0.08}
|
||
enableDamping
|
||
enablePan={false}
|
||
enableRotate
|
||
enableZoom
|
||
maxDistance={16}
|
||
key="world-splat-orbit"
|
||
makeDefault
|
||
mouseButtons={{
|
||
LEFT: THREE.MOUSE.ROTATE,
|
||
MIDDLE: THREE.MOUSE.DOLLY,
|
||
RIGHT: THREE.MOUSE.ROTATE,
|
||
}}
|
||
minDistance={0.5}
|
||
ref={handleOrbitControlsRef}
|
||
/>
|
||
) : (
|
||
<OrbitControls
|
||
dampingFactor={0.08}
|
||
enableDamping
|
||
enablePan={false}
|
||
enableRotate
|
||
enableZoom={false}
|
||
key="world-splat-first-person"
|
||
makeDefault
|
||
mouseButtons={{
|
||
LEFT: THREE.MOUSE.ROTATE,
|
||
MIDDLE: THREE.MOUSE.ROTATE,
|
||
RIGHT: THREE.MOUSE.ROTATE,
|
||
}}
|
||
ref={handleOrbitControlsRef}
|
||
/>
|
||
)}
|
||
<Html className="pointer-events-none" fullscreen>
|
||
<div className="flex h-full w-full flex-col justify-between p-4">
|
||
<div className="flex items-start justify-between">
|
||
<div className="flex gap-2">
|
||
<Badge className="border-cyan-500/30 bg-cyan-500/10 text-cyan-200" variant="outline">
|
||
SPZ
|
||
</Badge>
|
||
{semanticFacts.map((fact) => (
|
||
<Badge
|
||
className="border-white/10 bg-black/50 text-zinc-200"
|
||
key={fact.label}
|
||
variant="outline"
|
||
>
|
||
{fact.label} {fact.value}
|
||
</Badge>
|
||
))}
|
||
</div>
|
||
{interactionMode === "hotspot" ? (
|
||
<div className="rounded-full border border-yellow-400/30 bg-black/65 px-3 py-1 text-[11px] text-yellow-100">
|
||
点击场景放置热点
|
||
</div>
|
||
) : null}
|
||
</div>
|
||
{(firstPerson || interactionMode === "hotspot") && (
|
||
<div className="flex items-end justify-between gap-3">
|
||
{firstPerson && interactionMode === "navigate" ? (
|
||
<div className="rounded-2xl border border-white/10 bg-black/55 px-3 py-2 text-[10px] text-zinc-300 shadow-xl backdrop-blur-sm">
|
||
WASD / 方向键移动，拖动画面转向，Q/R 上升，E/F 下降
|
||
</div>
|
||
) : (
|
||
<div />
|
||
)}
|
||
<div className="flex h-12 w-12 shrink-0 items-center justify-center rounded-full border border-white/10 bg-black/55 text-zinc-100 shadow-xl backdrop-blur-sm">
|
||
<Crosshair className="h-5 w-5" />
|
||
</div>
|
||
</div>
|
||
)}
|
||
</div>
|
||
</Html>
|
||
</>
|
||
);
|
||
}
|
||
|
||
function WorldSplatCaptureBridge({
|
||
onCaptureReady,
|
||
}: {
|
||
onCaptureReady?: (capture: (() => Promise<Blob | null>) | null) => void;
|
||
}) {
|
||
const { camera, gl, scene } = useThree();
|
||
|
||
useEffect(() => {
|
||
if (!onCaptureReady) return;
|
||
|
||
onCaptureReady(async () => {
|
||
const canvas = gl.domElement;
|
||
gl.render(scene, camera);
|
||
|
||
const blob = await new Promise<Blob | null>((resolve) => {
|
||
if (typeof canvas.toBlob === "function") {
|
||
canvas.toBlob(resolve, "image/png");
|
||
return;
|
||
}
|
||
|
||
try {
|
||
const dataUrl = canvas.toDataURL("image/png");
|
||
fetch(dataUrl)
|
||
.then((response) => response.blob())
|
||
.then((result) => resolve(result))
|
||
.catch(() => resolve(null));
|
||
} catch {
|
||
resolve(null);
|
||
}
|
||
});
|
||
|
||
return blob;
|
||
});
|
||
|
||
return () => onCaptureReady(null);
|
||
}, [camera, gl, onCaptureReady, scene]);
|
||
|
||
return null;
|
||
}
|
||
|
||
function WorldSplatViewer({
|
||
splatUrl,
|
||
worldUrl,
|
||
previewImageUrl,
|
||
firstPerson,
|
||
hotspots,
|
||
interactionMode,
|
||
onPick,
|
||
onHotspotSelect,
|
||
semanticsMetadata,
|
||
resetViewToken,
|
||
minimalFrame = false,
|
||
onCaptureReady,
|
||
}: {
|
||
splatUrl?: string | null;
|
||
worldUrl?: string | null;
|
||
previewImageUrl?: string | null;
|
||
minimalFrame?: boolean;
|
||
firstPerson?: boolean;
|
||
hotspots?: World3DHotspot[];
|
||
interactionMode?: "navigate" | "hotspot";
|
||
onPick?: (pick: World3DPickResult) => void;
|
||
onHotspotSelect?: (hotspotId: string) => void;
|
||
semanticsMetadata?: Record<string, unknown> | null;
|
||
resetViewToken?: number;
|
||
onCaptureReady?: (capture: (() => Promise<Blob | null>) | null) => void;
|
||
}) {
|
||
const [loadState, setLoadState] = useState<"loading" | "ready" | "error">("loading");
|
||
const [overlayPhase, setOverlayPhase] = useState<SplatLoadingPhase>("loading");
|
||
|
||
useEffect(() => {
|
||
setLoadState("loading");
|
||
setOverlayPhase("loading");
|
||
}, [splatUrl]);
|
||
|
||
useEffect(() => {
|
||
if (loadState === "ready") {
|
||
setOverlayPhase("revealing");
|
||
}
|
||
|
||
if (loadState === "loading") {
|
||
setOverlayPhase("loading");
|
||
}
|
||
|
||
if (loadState === "error") {
|
||
setOverlayPhase("hidden");
|
||
}
|
||
}, [loadState]);
|
||
|
||
if (!splatUrl) {
|
||
return (
|
||
<WorldEmptyState
|
||
description={
|
||
worldUrl
|
||
? "官方在线预览页不能稳定嵌入画布，正在等待可本地渲染的 World 资产。"
|
||
: "当前结果没有返回可用的世界数据。"
|
||
}
|
||
fillFrame={minimalFrame}
|
||
icon={Sparkles}
|
||
previewImageUrl={previewImageUrl}
|
||
title="准备加载 World 视图"
|
||
/>
|
||
);
|
||
}
|
||
|
||
if (loadState === "error") {
|
||
return (
|
||
<WorldEmptyState
|
||
description={
|
||
worldUrl
|
||
? "World 资产加载失败，已避免退回不稳定的官方 iframe。可以切换到图像或 Mesh 视图继续查看。"
|
||
: "当前世界数据暂时无法加载，可以切换到图像或 Mesh 视图继续查看。"
|
||
}
|
||
fillFrame={minimalFrame}
|
||
icon={AlertCircle}
|
||
previewImageUrl={previewImageUrl}
|
||
title="World 视图加载失败"
|
||
/>
|
||
);
|
||
}
|
||
|
||
return (
|
||
<div className="relative h-full w-full">
|
||
<Canvas
|
||
camera={{ position: [0, 1.6, 4], fov: 55 }}
|
||
className="h-full w-full bg-[radial-gradient(circle_at_top,_rgba(15,23,42,0.95),_rgba(1,1,1,1)_68%)]"
|
||
frameloop="always"
|
||
gl={{ antialias: false, preserveDrawingBuffer: true }}
|
||
>
|
||
<WorldSplatCaptureBridge onCaptureReady={onCaptureReady} />
|
||
<WorldSplatScene
|
||
firstPerson={firstPerson}
|
||
hotspots={hotspots}
|
||
interactionMode={interactionMode}
|
||
onHotspotSelect={onHotspotSelect}
|
||
onLoadStateChange={setLoadState}
|
||
onPick={onPick}
|
||
onRevealComplete={() => setOverlayPhase("hidden")}
|
||
revealPhase={overlayPhase}
|
||
resetViewToken={resetViewToken}
|
||
semanticsMetadata={semanticsMetadata}
|
||
splatUrl={splatUrl}
|
||
/>
|
||
</Canvas>
|
||
{overlayPhase !== "hidden" ? (
|
||
<WorldSplatLoadingOverlay phase={overlayPhase} previewImageUrl={previewImageUrl} />
|
||
) : null}
|
||
</div>
|
||
);
|
||
}
|
||
|
||
export function World3DViewer({
|
||
mode,
|
||
worldUrl,
|
||
imageUrl,
|
||
meshUrl,
|
||
splatUrl,
|
||
previewImageUrl,
|
||
emptyStateTitle = "准备生成 3D 世界",
|
||
minimalFrame = false,
|
||
meshSettings,
|
||
meshLayerVisibility,
|
||
onMeshLayersChange,
|
||
onMeshStatsChange,
|
||
firstPerson = false,
|
||
hotspots = [],
|
||
interactionMode = "navigate",
|
||
onPick,
|
||
onHotspotSelect,
|
||
semanticsMetadata,
|
||
className,
|
||
resetViewToken,
|
||
onCaptureReady,
|
||
}: World3DViewerProps) {
|
||
const resolvedImageUrl = String(imageUrl || previewImageUrl || "").trim() || null;
|
||
|
||
useEffect(() => {
|
||
if (mode === "splat" || mode === "mesh") return;
|
||
onCaptureReady?.(null);
|
||
}, [mode, onCaptureReady]);
|
||
|
||
if (mode === "mesh") {
|
||
return (
|
||
<div className={cn("h-full w-full", className)}>
|
||
<Model3DViewer
|
||
emptyStateTitle={emptyStateTitle}
|
||
layerVisibility={meshLayerVisibility}
|
||
modelUrl={meshUrl}
|
||
onLayersChange={onMeshLayersChange}
|
||
onStatsChange={onMeshStatsChange}
|
||
onCaptureReady={onCaptureReady}
|
||
previewImageUrl={previewImageUrl}
|
||
resetViewToken={resetViewToken}
|
||
settings={meshSettings || DEFAULT_MESH_SETTINGS}
|
||
/>
|
||
</div>
|
||
);
|
||
}
|
||
|
||
if (mode === "world") {
|
||
return (
|
||
<div className={cn("h-full w-full overflow-hidden bg-zinc-950", className)}>
|
||
{worldUrl ? (
|
||
<iframe
|
||
allow="accelerometer; autoplay; clipboard-read; clipboard-write; fullscreen; gyroscope; xr-spatial-tracking"
|
||
allowFullScreen
|
||
className="h-full w-full border-0"
|
||
referrerPolicy="no-referrer-when-downgrade"
|
||
src={worldUrl}
|
||
title="3D 世界在线预览"
|
||
/>
|
||
) : (
|
||
<WorldEmptyState
|
||
description="当前结果还没有可嵌入的在线预览入口，可以先切换到 World、图像或 Mesh 视图。"
|
||
fillFrame={minimalFrame}
|
||
icon={Globe}
|
||
previewImageUrl={previewImageUrl}
|
||
title={emptyStateTitle}
|
||
/>
|
||
)}
|
||
</div>
|
||
);
|
||
}
|
||
|
||
if (mode === "image") {
|
||
return (
|
||
<div
|
||
className={cn(
|
||
minimalFrame
|
||
? "flex h-full w-full items-center justify-center overflow-hidden bg-zinc-950"
|
||
: "flex h-full w-full items-center justify-center overflow-hidden bg-[radial-gradient(circle_at_top,_rgba(39,39,42,0.95),_rgba(2,6,23,1)_68%)] p-6",
|
||
className
|
||
)}
|
||
>
|
||
{resolvedImageUrl ? (
|
||
<img
|
||
alt="世界图像预览"
|
||
className={
|
||
minimalFrame
|
||
? "h-full w-full object-cover"
|
||
: "max-h-full w-full rounded-2xl object-contain shadow-[0_30px_80px_rgba(0,0,0,0.45)]"
|
||
}
|
||
src={resolvedImageUrl}
|
||
/>
|
||
) : (
|
||
<WorldEmptyState
|
||
description="当前结果还没有可用的图像资产，可以先切换到 World 或 Mesh 视图。"
|
||
fillFrame={minimalFrame}
|
||
icon={ImageIcon}
|
||
previewImageUrl={previewImageUrl}
|
||
title={emptyStateTitle}
|
||
/>
|
||
)}
|
||
</div>
|
||
);
|
||
}
|
||
|
||
return (
|
||
<div className={cn("h-full w-full", className)}>
|
||
<WorldSplatViewer
|
||
firstPerson={firstPerson}
|
||
hotspots={hotspots}
|
||
interactionMode={interactionMode}
|
||
onCaptureReady={onCaptureReady}
|
||
onHotspotSelect={onHotspotSelect}
|
||
onPick={onPick}
|
||
previewImageUrl={previewImageUrl}
|
||
minimalFrame={minimalFrame}
|
||
resetViewToken={resetViewToken}
|
||
semanticsMetadata={semanticsMetadata}
|
||
splatUrl={splatUrl}
|
||
worldUrl={worldUrl}
|
||
/>
|
||
</div>
|
||
);
|
||
}
|