49 lines
1.4 KiB
TypeScript
49 lines
1.4 KiB
TypeScript
import { describe, expect, it, vi } from 'vitest'
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import { configureCubism2ModelProjection } from '../../components/blog/live2d/runtime/cubism2ModelProjection'
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describe('Cubism2 model projection', () => {
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it('applies the source L2D model and canvas projection matrix before drawing', () => {
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const setMatrix = vi.fn()
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configureCubism2ModelProjection(
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{
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getCanvasHeight: () => 2,
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getCanvasWidth: () => 4,
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setMatrix,
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},
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{
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height: 250,
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width: 280,
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},
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{
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center_x: 0,
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center_y: -0.05,
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width: 2,
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},
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)
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expect(setMatrix).toHaveBeenCalledOnce()
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const matrix = setMatrix.mock.calls[0]?.[0] as Float32Array
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expect(matrix).toBeInstanceOf(Float32Array)
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expect(matrix[0]).toBeCloseTo(0.5)
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expect(matrix[5]).toBeCloseTo(-0.56)
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expect(matrix[12]).toBeCloseTo(-1)
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expect(matrix[13]).toBeCloseTo(0.504)
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expect(matrix[10]).toBe(1)
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expect(matrix[15]).toBe(1)
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})
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it('rejects invalid model or canvas dimensions instead of drawing a transparent frame', () => {
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const model = {
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getCanvasHeight: () => 2,
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getCanvasWidth: () => 0,
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setMatrix: vi.fn(),
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}
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expect(() => configureCubism2ModelProjection(model, { height: 250, width: 280 })).toThrow(
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'Cubism2 model and canvas dimensions must be positive.',
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)
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})
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})
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