752 lines
23 KiB
TypeScript
752 lines
23 KiB
TypeScript
"use client";
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/* eslint-disable @next/next/no-img-element */
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import { Html, OrbitControls, PointerLockControls } 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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ArrowDown,
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ArrowLeft,
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ArrowRight,
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ArrowUp,
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Box,
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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 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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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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};
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const DEFAULT_MESH_SETTINGS: Model3DViewerSettings = {
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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 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 WorldEmptyState({
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icon: Icon,
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title,
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description,
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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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previewImageUrl?: string | null;
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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 createMovementState(): MovementState {
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return { ...EMPTY_MOVEMENT_STATE };
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}
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function DirectionPad({
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onCommandChange,
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}: {
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onCommandChange: (command: MovementCommand, active: boolean) => void;
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}) {
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const pressHandlers = (command: MovementCommand) => ({
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onMouseDown: () => onCommandChange(command, true),
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onMouseUp: () => onCommandChange(command, false),
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onMouseLeave: () => onCommandChange(command, false),
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onTouchStart: () => onCommandChange(command, true),
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onTouchEnd: () => onCommandChange(command, false),
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onTouchCancel: () => onCommandChange(command, false),
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});
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return (
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<div className="pointer-events-auto rounded-2xl border border-white/10 bg-black/55 p-2 shadow-2xl backdrop-blur-sm">
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<div className="mb-2 text-center text-[10px] text-zinc-400">方向移动</div>
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<div className="grid grid-cols-3 gap-2">
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<div />
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<button
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className="flex h-10 w-10 items-center justify-center rounded-xl border border-white/10 bg-white/5 text-zinc-100 transition hover:bg-white/10"
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type="button"
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{...pressHandlers("forward")}
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>
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<ArrowUp className="h-4 w-4" />
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</button>
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<button
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className="flex h-10 min-w-[3.25rem] items-center justify-center rounded-xl border border-white/10 bg-white/5 px-2 text-xs text-zinc-100 transition hover:bg-white/10"
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type="button"
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{...pressHandlers("up")}
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>
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上
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</button>
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<button
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className="flex h-10 w-10 items-center justify-center rounded-xl border border-white/10 bg-white/5 text-zinc-100 transition hover:bg-white/10"
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type="button"
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{...pressHandlers("left")}
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>
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<ArrowLeft className="h-4 w-4" />
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</button>
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<div className="flex h-10 items-center justify-center rounded-xl border border-dashed border-white/10 bg-white/[0.03] px-2 text-[10px] text-zinc-500">
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前后左右
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</div>
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<button
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className="flex h-10 w-10 items-center justify-center rounded-xl border border-white/10 bg-white/5 text-zinc-100 transition hover:bg-white/10"
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type="button"
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{...pressHandlers("right")}
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>
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<ArrowRight className="h-4 w-4" />
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</button>
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<div />
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<button
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className="flex h-10 w-10 items-center justify-center rounded-xl border border-white/10 bg-white/5 text-zinc-100 transition hover:bg-white/10"
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type="button"
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{...pressHandlers("backward")}
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>
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<ArrowDown className="h-4 w-4" />
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</button>
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<button
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className="flex h-10 min-w-[3.25rem] items-center justify-center rounded-xl border border-white/10 bg-white/5 px-2 text-xs text-zinc-100 transition hover:bg-white/10"
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type="button"
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{...pressHandlers("down")}
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>
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下
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</button>
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</div>
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</div>
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);
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}
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function CameraMovementControls({
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enabled,
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firstPerson,
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virtualMovement,
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orbitControlsRef,
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}: {
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enabled: boolean;
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firstPerson: boolean;
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virtualMovement: MovementState;
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orbitControlsRef: React.MutableRefObject<any>;
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}) {
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const { camera } = useThree();
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const pressedKeysRef = useRef<MovementState>(createMovementState());
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const directionRef = useRef(new THREE.Vector3());
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const rightRef = useRef(new THREE.Vector3());
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const upRef = useRef(new THREE.Vector3());
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const moveRef = useRef(new THREE.Vector3());
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useEffect(() => {
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if (!enabled) {
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pressedKeysRef.current = createMovementState();
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return;
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}
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const handleKeyDown = (event: KeyboardEvent) => {
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const movement = KEY_TO_MOVEMENT[event.code];
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if (!movement) return;
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if (event.metaKey || event.ctrlKey || event.altKey) return;
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if (isEditableKeyboardTarget(event.target)) {
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pressedKeysRef.current = createMovementState();
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return;
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}
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pressedKeysRef.current[movement] = true;
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};
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const handleKeyUp = (event: KeyboardEvent) => {
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const movement = KEY_TO_MOVEMENT[event.code];
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if (!movement) return;
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if (isEditableKeyboardTarget(event.target)) {
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pressedKeysRef.current = createMovementState();
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return;
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}
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pressedKeysRef.current[movement] = false;
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};
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const handleFocusIn = (event: FocusEvent) => {
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if (isEditableKeyboardTarget(event.target)) {
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pressedKeysRef.current = createMovementState();
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}
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};
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window.addEventListener("keydown", handleKeyDown);
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window.addEventListener("keyup", handleKeyUp);
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window.addEventListener("focusin", handleFocusIn);
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return () => {
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window.removeEventListener("keydown", handleKeyDown);
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window.removeEventListener("keyup", handleKeyUp);
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window.removeEventListener("focusin", handleFocusIn);
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};
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}, [enabled]);
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useFrame((_, delta) => {
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if (!enabled) return;
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const pressed = pressedKeysRef.current;
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const hasMovement =
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Object.values(pressed).some(Boolean) || Object.values(virtualMovement).some(Boolean);
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if (!hasMovement) return;
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const moveSpeed = 3.8;
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const distance = moveSpeed * delta;
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camera.getWorldDirection(directionRef.current);
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directionRef.current.setY(0).normalize();
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rightRef.current.crossVectors(directionRef.current, camera.up).normalize();
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upRef.current.copy(camera.up).normalize();
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moveRef.current.set(0, 0, 0);
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if (pressed.forward || virtualMovement.forward) {
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moveRef.current.add(directionRef.current);
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}
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if (pressed.backward || virtualMovement.backward) {
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moveRef.current.addScaledVector(directionRef.current, -1);
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}
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if (pressed.left || virtualMovement.left) {
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moveRef.current.addScaledVector(rightRef.current, -1);
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}
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if (pressed.right || virtualMovement.right) {
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moveRef.current.add(rightRef.current);
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}
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if (pressed.up || virtualMovement.up) {
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moveRef.current.add(upRef.current);
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}
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if (pressed.down || virtualMovement.down) {
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moveRef.current.addScaledVector(upRef.current, -1);
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}
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if (moveRef.current.lengthSq() === 0) return;
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moveRef.current.normalize().multiplyScalar(distance);
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camera.position.add(moveRef.current);
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if (!firstPerson && orbitControlsRef.current?.target) {
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orbitControlsRef.current.target.add(moveRef.current);
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orbitControlsRef.current.update();
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}
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});
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if (!enabled || !firstPerson) return null;
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return <PointerLockControls makeDefault />;
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}
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function HotspotBillboard({
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hotspot,
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onSelect,
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}: {
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hotspot: World3DHotspot;
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onSelect?: (hotspotId: string) => void;
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}) {
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return (
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<group position={[hotspot.position.x, hotspot.position.y, hotspot.position.z]}>
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<mesh
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onClick={(event) => {
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event.stopPropagation();
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onSelect?.(hotspot.id);
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}}
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>
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<sphereGeometry args={[0.07, 24, 24]} />
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<meshStandardMaterial color="#facc15" emissive="#ca8a04" emissiveIntensity={0.8} />
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</mesh>
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<Html center distanceFactor={8} position={[0, 0.14, 0]}>
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<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">
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{hotspot.label}
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</div>
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</Html>
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</group>
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);
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}
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function WorldSplatScene({
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splatUrl,
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firstPerson = false,
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hotspots = [],
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interactionMode = "navigate",
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onPick,
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onHotspotSelect,
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semanticsMetadata,
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onLoadStateChange,
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}: {
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splatUrl: string;
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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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onLoadStateChange?: (state: "ready" | "error") => void;
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}) {
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const renderer = useThree((state) => state.gl);
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const orbitControlsRef = useRef<any>(null);
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const [virtualMovement, setVirtualMovement] =
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useState<MovementState>(createMovementState);
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const semanticFacts = useMemo(
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() => getSemanticFacts(semanticsMetadata),
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[semanticsMetadata]
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);
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const sparkRenderer = useMemo(
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() =>
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new SparkRenderer({
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renderer,
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blurAmount: 0.2,
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maxStdDev: Math.sqrt(7),
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}),
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[renderer]
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);
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const splatMesh = useMemo(() => new SparkSplatMesh({ url: splatUrl }), [splatUrl]);
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useEffect(() => {
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sparkRenderer.frustumCulled = false;
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sparkRenderer.renderOrder = 10;
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return () => {
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sparkRenderer.removeFromParent();
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};
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}, [sparkRenderer]);
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useEffect(() => {
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splatMesh.frustumCulled = false;
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splatMesh.rotation.x = Math.PI;
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let cancelled = false;
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splatMesh.initialized
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.then(() => {
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if (!cancelled) onLoadStateChange?.("ready");
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})
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.catch(() => {
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if (!cancelled) onLoadStateChange?.("error");
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});
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return () => {
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cancelled = true;
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splatMesh.dispose();
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};
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}, [onLoadStateChange, splatMesh]);
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useFrame(() => {
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sparkRenderer.needsUpdate = true;
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});
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const groundPlaneOffset =
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typeof semanticsMetadata?.ground_plane_offset === "number"
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? -semanticsMetadata.ground_plane_offset
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: null;
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const handleDirectionChange = (command: MovementCommand, active: boolean) => {
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setVirtualMovement((prev) => {
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if (prev[command] === active) return prev;
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return {
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...prev,
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[command]: active,
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};
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});
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};
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const handlePointerDown = (event: ThreeEvent<PointerEvent>) => {
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if (interactionMode !== "hotspot") return;
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event.stopPropagation();
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onPick?.({
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point: [event.point.x, event.point.y, event.point.z],
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});
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};
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return (
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<>
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<color args={["#020617"]} attach="background" />
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<fog attach="fog" args={["#020617", 10, 45]} />
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<ambientLight intensity={1.6} />
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<directionalLight intensity={1.25} position={[6, 10, 4]} />
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{groundPlaneOffset !== null ? (
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<gridHelper
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args={[18, 18, "#334155", "#0f172a"]}
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position={[0, groundPlaneOffset, 0]}
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/>
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) : null}
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<Suspense fallback={null}>
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<primitive object={sparkRenderer}>
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<primitive object={splatMesh} onPointerDown={handlePointerDown} />
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</primitive>
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</Suspense>
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{hotspots.map((hotspot) => (
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<HotspotBillboard
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hotspot={hotspot}
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key={hotspot.id}
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onSelect={onHotspotSelect}
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/>
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))}
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<CameraMovementControls
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enabled={interactionMode === "navigate"}
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firstPerson={firstPerson}
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orbitControlsRef={orbitControlsRef}
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virtualMovement={virtualMovement}
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/>
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{!firstPerson ? (
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<OrbitControls
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autoRotate={false}
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enablePan
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enableRotate
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enableZoom
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makeDefault
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maxDistance={16}
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minDistance={0.5}
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ref={orbitControlsRef}
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/>
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) : (
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<OrbitControls
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enablePan={false}
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enableRotate={false}
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enableZoom={false}
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ref={orbitControlsRef}
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|
/>
|
|
)}
|
|
<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>
|
|
<div className="flex items-end justify-between">
|
|
<div className="rounded-2xl border border-white/10 bg-black/55 px-3 py-2 text-[11px] text-zinc-300 backdrop-blur-sm">
|
|
{firstPerson
|
|
? "方向键 / WASD 前后左右 · Q/E 或 PgUp/PgDn 上下 · 鼠标观察 · Esc 退出"
|
|
: "拖拽旋转 · 滚轮缩放 · 方向键 / 按钮可做六向移动"}
|
|
</div>
|
|
<div className="flex items-end gap-3">
|
|
{interactionMode === "navigate" ? (
|
|
<DirectionPad onCommandChange={handleDirectionChange} />
|
|
) : null}
|
|
{(firstPerson || interactionMode === "hotspot") && (
|
|
<div className="flex h-12 w-12 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>
|
|
</div>
|
|
</Html>
|
|
</>
|
|
);
|
|
}
|
|
|
|
function WorldSplatViewer({
|
|
splatUrl,
|
|
previewImageUrl,
|
|
firstPerson,
|
|
hotspots,
|
|
interactionMode,
|
|
onPick,
|
|
onHotspotSelect,
|
|
semanticsMetadata,
|
|
}: {
|
|
splatUrl?: string | null;
|
|
previewImageUrl?: string | null;
|
|
firstPerson?: boolean;
|
|
hotspots?: World3DHotspot[];
|
|
interactionMode?: "navigate" | "hotspot";
|
|
onPick?: (pick: World3DPickResult) => void;
|
|
onHotspotSelect?: (hotspotId: string) => void;
|
|
semanticsMetadata?: Record<string, unknown> | null;
|
|
}) {
|
|
const [loadState, setLoadState] = useState<"loading" | "ready" | "error">("loading");
|
|
useEffect(() => {
|
|
setLoadState("loading");
|
|
}, [splatUrl]);
|
|
|
|
if (!splatUrl) {
|
|
return (
|
|
<WorldEmptyState
|
|
description="当前结果没有返回可用的 SPZ 世界资产。"
|
|
icon={Sparkles}
|
|
previewImageUrl={previewImageUrl}
|
|
title="准备加载 Splat 世界"
|
|
/>
|
|
);
|
|
}
|
|
|
|
if (loadState === "error") {
|
|
return (
|
|
<WorldEmptyState
|
|
description="SPZ 资源暂时无法加载，可以切换到 World、图像或 Mesh 视图继续查看。"
|
|
icon={AlertCircle}
|
|
previewImageUrl={previewImageUrl}
|
|
title="Splat 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 }}
|
|
>
|
|
<WorldSplatScene
|
|
firstPerson={firstPerson}
|
|
hotspots={hotspots}
|
|
interactionMode={interactionMode}
|
|
onHotspotSelect={onHotspotSelect}
|
|
onLoadStateChange={setLoadState}
|
|
onPick={onPick}
|
|
semanticsMetadata={semanticsMetadata}
|
|
splatUrl={splatUrl}
|
|
/>
|
|
</Canvas>
|
|
{loadState === "loading" ? (
|
|
<div className="absolute inset-0">
|
|
<WorldEmptyState
|
|
description="正在初始化 Gaussian Splat 资源，这一步会比普通 Mesh 略慢。"
|
|
icon={Sparkles}
|
|
previewImageUrl={previewImageUrl}
|
|
title="正在加载 Splat 世界"
|
|
/>
|
|
</div>
|
|
) : null}
|
|
</div>
|
|
);
|
|
}
|
|
|
|
export function World3DViewer({
|
|
mode,
|
|
worldUrl,
|
|
imageUrl,
|
|
meshUrl,
|
|
splatUrl,
|
|
previewImageUrl,
|
|
emptyStateTitle = "准备生成 3D 世界",
|
|
meshSettings,
|
|
meshLayerVisibility,
|
|
onMeshLayersChange,
|
|
onMeshStatsChange,
|
|
firstPerson = false,
|
|
hotspots = [],
|
|
interactionMode = "navigate",
|
|
onPick,
|
|
onHotspotSelect,
|
|
semanticsMetadata,
|
|
className,
|
|
}: World3DViewerProps) {
|
|
const resolvedImageUrl = String(imageUrl || previewImageUrl || "").trim() || null;
|
|
|
|
if (mode === "mesh") {
|
|
return (
|
|
<div className={cn("h-full w-full", className)}>
|
|
<Model3DViewer
|
|
emptyStateTitle={emptyStateTitle}
|
|
layerVisibility={meshLayerVisibility}
|
|
modelUrl={meshUrl}
|
|
onLayersChange={onMeshLayersChange}
|
|
onStatsChange={onMeshStatsChange}
|
|
previewImageUrl={previewImageUrl}
|
|
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="World Labs 世界预览"
|
|
/>
|
|
) : (
|
|
<WorldEmptyState
|
|
description="当前结果还没有可嵌入的 World 页面链接，可以先切换到 Splat、图像或 Mesh 视图。"
|
|
icon={Globe}
|
|
previewImageUrl={previewImageUrl}
|
|
title={emptyStateTitle}
|
|
/>
|
|
)}
|
|
</div>
|
|
);
|
|
}
|
|
|
|
if (mode === "image") {
|
|
return (
|
|
<div
|
|
className={cn(
|
|
"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="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 Splat 或 Mesh 视图。"
|
|
icon={ImageIcon}
|
|
previewImageUrl={previewImageUrl}
|
|
title={emptyStateTitle}
|
|
/>
|
|
)}
|
|
</div>
|
|
);
|
|
}
|
|
|
|
return (
|
|
<div className={cn("h-full w-full", className)}>
|
|
<WorldSplatViewer
|
|
firstPerson={firstPerson}
|
|
hotspots={hotspots}
|
|
interactionMode={interactionMode}
|
|
onHotspotSelect={onHotspotSelect}
|
|
onPick={onPick}
|
|
previewImageUrl={previewImageUrl}
|
|
semanticsMetadata={semanticsMetadata}
|
|
splatUrl={splatUrl}
|
|
/>
|
|
</div>
|
|
);
|
|
}
|