19 lines
641 B
TypeScript
19 lines
641 B
TypeScript
import * as THREE from "three";
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import { computeCenteredModelPlacement } from "@/lib/3d/model-placement";
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describe("model-placement", () => {
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it("应按模型中心归位，而不是按地面抬升整体", () => {
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const box = new THREE.Box3(
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new THREE.Vector3(-10, -100, -20),
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new THREE.Vector3(10, 50, 20),
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);
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const placement = computeCenteredModelPlacement(box);
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expect(placement.modelPosition.x).toBeCloseTo(0, 5);
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expect(placement.modelPosition.y).toBeCloseTo(25, 5);
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expect(placement.modelPosition.z).toBeCloseTo(0, 5);
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expect(placement.cameraTarget.toArray()).toEqual([0, 0, 0]);
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});
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});
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