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playcanvas

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PlayCanvas WebGL game engine

playcanvas.com

playcanvas/engine

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declare const _default: "\nuniform outBoundsMul: vec3f;\nuniform outBoundsAdd: vec3f;\n\nfn encodeFloatRG( v: f32 ) -> vec2f {\n var enc: vec2f = vec2f(1.0, 255.0) * v;\n enc = fract(enc);\n enc = enc - enc.yy * (1.0 / 255.0);\n return enc;\n}\n\nfn encodeFloatRGBA( v: f32 ) -> vec4f {\n let factors = vec4f(1.0, 255.0, 65025.0, 160581375.0);\n var enc: vec4f = factors * v;\n enc = fract(enc);\n enc = enc - enc.yzww * vec4f(1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0, 0.0);\n return enc;\n}\n\nfn getOutput() -> vec4f {\n outPos = outPos * uniform.outBoundsMul + uniform.outBoundsAdd;\n outAngle = fract(outAngle / PI2);\n\n outVel = (outVel / uniform.maxVel) + vec3f(0.5); // TODO: mul\n\n let maxNegLife = max(uniform.lifetime, (uniform.numParticles - 1.0) * (uniform.rate + uniform.rateDiv));\n let maxPosLife = uniform.lifetime + 1.0;\n outLife = (outLife + maxNegLife) / (maxNegLife + maxPosLife);\n\n if (pcPosition.y < 1.0) {\n return vec4f(encodeFloatRG(outPos.x), encodeFloatRG(outPos.y));\n } else if (pcPosition.y < 2.0) {\n return vec4f(encodeFloatRG(outPos.z), encodeFloatRG(outAngle));\n } else if (pcPosition.y < 3.0) {\n return vec4f(outVel, visMode * 0.5 + 0.5);\n } else {\n return encodeFloatRGBA(outLife);\n }\n}\n"; export default _default;