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chore: add ray test

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singlecoder
2021-01-26 21:53:36 +08:00
parent 5f6744fb53
commit 6dcb1412eb
1 changed files with 28 additions and 3 deletions
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31
packages/math/tests/Ray.test.ts
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@@ -1,12 +1,37 @@
import { BoundingBox } from "../src/BoundingBox";
import { BoundingSphere } from "../src/BoundingSphere";
import { Plane } from "../src/Plane";
import { Ray } from "../src/Ray";
import { Vector3 } from "../src/Vector3";
describe("Ray test", () => {
it("ray-plane", () => {
const ray = new Ray(new Vector3(0, 0, 0), new Vector3(1, 0.5, 0.3));
const plane = new Plane(new Vector3(0.4, 0.5, 1), 5);
const ray = new Ray(new Vector3(0, 0, 0), new Vector3(0, 1, 0));
const plane = new Plane(new Vector3(0, 1, 0), -3);
// ray.intersectPlane(plane.)
expect(ray.intersectPlane(plane)).toEqual(-plane.distance);
});
it("ray-sphere", () => {
const ray = new Ray(new Vector3(0, 0, 0), new Vector3(0, 1, 0));
const sphere = new BoundingSphere(new Vector3(0, 5, 0), 1);
expect(ray.intersectSphere(sphere)).toEqual(4);
});
it("ray-box", () => {
const ray = new Ray(new Vector3(0, 0, 0), new Vector3(0, 1, 0));
const box = new BoundingBox();
BoundingBox.fromCenterAndExtent(new Vector3(0, 20, 0), new Vector3(5, 5, 5), box);
expect(ray.intersectBox(box)).toEqual(15);
});
it("ray-getPoint", () => {
const ray = new Ray(new Vector3(0, 0, 0), new Vector3(0, 1, 0));
const out = new Vector3();
ray.getPoint(10, out);
expect(Vector3.equals(out, new Vector3(0, 10, 0))).toEqual(true);
});
});