private VFXExpression BuildRandomUIntPerParticle(VFXExpression max, int id)
{
//TODO : Add support of proper integer random
var rand = VFXOperatorUtility.BuildRandom(VFXSeedMode.PerParticle, false, new RandId(this, id));
VFXExpression r = new VFXExpressionCastFloatToUint(rand * new VFXExpressionCastUintToFloat(max));
r = VFXOperatorUtility.ApplyAddressingMode(r, max, VFXOperatorUtility.SequentialAddressingMode.Clamp);
return(r);
}
protected override sealed VFXExpression[] BuildExpression(VFXExpression[] inputExpression)
{
var rand = VFXOperatorUtility.BuildRandom(seed, constant, new RandId(this), inputExpression.Length > 2 ? inputExpression[2] : null);
return(new[] { VFXOperatorUtility.Lerp(inputExpression[0], inputExpression[1], rand) });
}
