@tolokoban/tgd
Version:
ToloGameDev library for WebGL2
32 lines • 3.41 kB
JavaScript
import { expectVectorsToBeClose } from "./common.test.js";
import { TgdMat3 } from "./mat3.js";
import { TgdVec3 } from "./vec3.js";
describe(`TgdMat3`, () => {
describe(`multiply()`, () => {
it(`should multiply two mat3`, () => {
const a = new TgdMat3(1, 2, 3, 4, 5, 6, 7, 8, 9);
const b = new TgdMat3(19, 18, 17, 16, 15, 14, 13, 12, 11);
a.multiply(b);
expectVectorsToBeClose(a, [210, 264, 318, 174, 219, 264, 138, 174, 210]);
});
});
describe(`toAxes[X,Y,Z](0)`, () => {
const m = new TgdMat3(1, 2, 3, 4, 5, 6, 7, 8, 9);
it(`should extract axis X`, () => {
const v = new TgdVec3();
m.toAxisX(v);
expectVectorsToBeClose(v, [1, 4, 7]);
});
it(`should extract axis Y`, () => {
const v = new TgdVec3();
m.toAxisY(v);
expectVectorsToBeClose(v, [2, 5, 8]);
});
it(`should extract axis Z`, () => {
const v = new TgdVec3();
m.toAxisZ(v);
expectVectorsToBeClose(v, [3, 6, 9]);
});
});
});
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