pixi.js/lib/scene/particle-container/shared/shader/particles.vert.mjs

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var vertex = "attribute vec2 aVertex;\nattribute vec2 aUV;\nattribute vec4 aColor;\n\nattribute vec2 aPosition;\nattribute float aRotation;\n\nuniform mat3 uTranslationMatrix;\nuniform float uRound;\nuniform vec2 uResolution;\nuniform vec4 uColor;\n\nvarying vec2 vUV;\nvarying vec4 vColor;\n\nvec2 roundPixels(vec2 position, vec2 targetSize)\n{       \n    return (floor(((position * 0.5 + 0.5) * targetSize) + 0.5) / targetSize) * 2.0 - 1.0;\n}\n\nvoid main(void){\n    float cosRotation = cos(aRotation);\n    float sinRotation = sin(aRotation);\n    float x = aVertex.x * cosRotation - aVertex.y * sinRotation;\n    float y = aVertex.x * sinRotation + aVertex.y * cosRotation;\n\n    vec2 v = vec2(x, y);\n    v = v + aPosition;\n\n    gl_Position = vec4((uTranslationMatrix * vec3(v, 1.0)).xy, 0.0, 1.0);\n\n    if(uRound == 1.0)\n    {\n        gl_Position.xy = roundPixels(gl_Position.xy, uResolution);\n    }\n\n    vUV = aUV;\n    vColor = vec4(aColor.rgb * aColor.a, aColor.a) * uColor;\n}\n";

export { vertex as default };
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