@spearwolf/twopoint5d
Version:
Create 2.5D realtime graphics and pixelart with WebGL and three.js
70 lines • 3.15 kB
JavaScript
import { createSandbox } from 'sinon';
import { afterEach, describe, expect, test } from 'vitest';
import { VertexObjectDescriptor } from './VertexObjectDescriptor.js';
import { VertexObjectGeometry } from './VertexObjectGeometry.js';
describe('VertexObjectGeometry', () => {
const descriptor = new VertexObjectDescriptor({
vertexCount: 4,
indices: [0, 1, 2, 0, 2, 3],
attributes: {
position: {
components: ['x', 'y', 'z'],
type: 'float32',
usage: 'dynamic',
},
color: {
components: ['r', 'g', 'b'],
type: 'float32',
usage: 'dynamic',
},
strength: {
size: 1,
type: 'float32',
usage: 'static',
},
impact: {
size: 1,
type: 'uint32',
usage: 'dynamic',
},
},
});
const sandbox = createSandbox();
afterEach(() => {
sandbox.restore();
});
test('construct with descriptor', () => {
const geometry = new VertexObjectGeometry(descriptor, 10);
expect(geometry).toBeDefined();
expect(geometry.buffers).toBeDefined();
expect(geometry.buffers.get('dynamic_float32').array).toBe(geometry.pool.buffer.buffers.get('dynamic_float32').typedArray);
expect(geometry.buffers.get('static_float32').array).toBe(geometry.pool.buffer.buffers.get('static_float32').typedArray);
expect(geometry.buffers.get('dynamic_uint32').array).toBe(geometry.pool.buffer.buffers.get('dynamic_uint32').typedArray);
});
test('index array buffer is created', () => {
const capacity = 10;
const geometry = new VertexObjectGeometry(descriptor, capacity);
expect(geometry.index).toBeDefined();
expect(geometry.index.array.length).toBe(descriptor.indices.length * capacity);
expect(Array.from(geometry.index.array).slice(0, descriptor.indices.length * 3)).toEqual([
0, 1, 2, 0, 2, 3,
4, 5, 6, 4, 6, 7,
8, 9, 10, 8, 10, 11,
]);
});
test('touch() calls touchAttributes() and/or touchBuffers()', () => {
const capacity = 10;
const geometry = new VertexObjectGeometry(descriptor, capacity);
const touchAttributes = sandbox.spy(geometry, 'touchAttributes');
const touchBuffers = sandbox.spy(geometry, 'touchBuffers');
geometry.touch('strength', 'position', { dynamic: true });
expect(touchAttributes.callCount).toBe(1);
expect(touchAttributes.getCall(0).args).toHaveLength(2);
expect(touchAttributes.getCall(0).args).toEqual(expect.arrayContaining(['position', 'strength']));
expect(touchBuffers.callCount).toBe(1);
expect(touchBuffers.getCall(0).args[0]).toMatchObject({ dynamic: true });
expect(touchBuffers.getCall(0).args[0]).not.toHaveProperty('static', true);
expect(touchBuffers.getCall(0).args[0]).not.toHaveProperty('stream', true);
});
});
//# sourceMappingURL=VertexObjectGeometry.spec.js.map