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13 lines
580 B
13 lines
580 B
4 years ago
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floatNx3 randomRotationMatrices[3];
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if (rotationRandomnessX > epsilon() || rotationRandomnessY > epsilon())
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{
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// Parameters are being double indented.
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floatNx3 rotationEuler = floatNx3(
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(GenerateRandom(randomSeed + intN(kParticleSystemExternalForcesRotationRandomnessXId)) * 2 - 1) * rotationRandomnessX,
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(GenerateRandom(randomSeed + intN(kParticleSystemExternalForcesRotationRandomnessYId)) * 2 - 1) * rotationRandomnessY,
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floatN(ZERO));
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eulerToMatrix(rotationEuler, randomRotationMatrices);
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toForce = mul(randomRotationMatrices, toForce);
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}
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