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A WebGPU retro game engine for TypeScript, inspired by RetroBlit. Build pixel-perfect 2D games with a clean, fantasy-console-style API.
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123456789101112131415161718192021222324252627282930313233343536import { afterAll, beforeAll, describe, expect, it, vi } from 'vitest';
import { createMockGPUDevice, installMockNavigatorGPU, uninstallMockNavigatorGPU } from '../../../__test__/webgpu-mock';import { Vector2i } from '../../../utils/Vector2i';import { Flicker } from './Flicker';
const FORMAT: GPUTextureFormat = 'bgra8unorm';const SIZE = new Vector2i(1280, 960);
beforeAll(() => { installMockNavigatorGPU();});
afterAll(() => { uninstallMockNavigatorGPU();});
describe('Flicker', () => { it("declares tier='display'", () => { expect(new Flicker().tier).toBe('display'); });
it('updateUniforms writes the brightness amount', () => { const device = createMockGPUDevice(); const writeBuffer = vi.spyOn(device.queue, 'writeBuffer'); const fx = new Flicker(); fx.amount = 0.93;
fx.init(device, FORMAT, SIZE); fx.updateUniforms(16, SIZE);
const buf = writeBuffer.mock.calls[0]?.[2] as Float32Array; expect(buf[2]).toBeCloseTo(0.93); });});