52 lines
1.9 KiB
TypeScript
52 lines
1.9 KiB
TypeScript
import * as THREE from "three";
|
|
import {
|
|
computeExplodedWorldOffset,
|
|
EXPLOSION_PROGRESS_MAX,
|
|
} from "@/lib/3d/explosion-math";
|
|
|
|
describe("engine explosion", () => {
|
|
it("progress 超过 1 时应继续增大爆炸幅度（用于更大最大值）", () => {
|
|
const v = new THREE.Vector3(10, -20, 30);
|
|
|
|
const offset1 = computeExplodedWorldOffset(v, 1, 0.2);
|
|
const offset2 = computeExplodedWorldOffset(v, 2, 0.2);
|
|
const offset3 = computeExplodedWorldOffset(v, 3, 0.2);
|
|
|
|
expect(offset2.x).toBeCloseTo(offset1.x * 2, 5);
|
|
expect(offset2.y).toBeCloseTo(offset1.y * 2, 5);
|
|
expect(offset2.z).toBeCloseTo(offset1.z * 2, 5);
|
|
|
|
// 超过最大值应被裁剪到 EXPLOSION_PROGRESS_MAX
|
|
const offsetMax = computeExplodedWorldOffset(v, EXPLOSION_PROGRESS_MAX, 0.2);
|
|
expect(offset3.x).toBeCloseTo(offsetMax.x, 5);
|
|
expect(offset3.y).toBeCloseTo(offsetMax.y, 5);
|
|
expect(offset3.z).toBeCloseTo(offsetMax.z, 5);
|
|
});
|
|
|
|
it("爆炸位移应按相对中心距离同比放大，不能强制整体上抬", () => {
|
|
const lowerWheel = new THREE.Vector3(0, -100, 0);
|
|
const lowerBoard = new THREE.Vector3(0, -40, 0);
|
|
|
|
const wheelOffset = computeExplodedWorldOffset(lowerWheel, 1, 0.2);
|
|
const boardOffset = computeExplodedWorldOffset(lowerBoard, 1, 0.2);
|
|
|
|
expect(wheelOffset.y).toBeLessThan(0);
|
|
expect(boardOffset.y).toBeLessThan(0);
|
|
expect(Math.abs(wheelOffset.y)).toBeGreaterThan(Math.abs(boardOffset.y));
|
|
});
|
|
|
|
it("相对中心更远的底部部件，爆炸后仍应保持在更下方", () => {
|
|
const wheelOriginal = new THREE.Vector3(0, -100, 0);
|
|
const boardOriginal = new THREE.Vector3(0, -40, 0);
|
|
|
|
const wheelExploded = wheelOriginal
|
|
.clone()
|
|
.add(computeExplodedWorldOffset(wheelOriginal, 1, 0.2));
|
|
const boardExploded = boardOriginal
|
|
.clone()
|
|
.add(computeExplodedWorldOffset(boardOriginal, 1, 0.2));
|
|
|
|
expect(wheelExploded.y).toBeLessThan(boardExploded.y);
|
|
});
|
|
});
|