public void ProcessOperatorNegate()
{
var a = -1.5f;
var b = 0.2f;
var resultA = -a;
var resultB = -b;
var value_a = new VFXValue <float>(a);
var value_b = new VFXValue <float>(b);
var expressionA = VFXOperatorUtility.Negate(value_a);
var expressionB = VFXOperatorUtility.Negate(value_b);
var context = new VFXExpression.Context(VFXExpressionContextOption.CPUEvaluation);
var resultExpressionA = context.Compile(expressionA);
var resultExpressionB = context.Compile(expressionB);
Assert.AreEqual(resultA, resultExpressionA.Get <float>());
Assert.AreEqual(resultB, resultExpressionB.Get <float>());
}
protected override VFXExpression[] BuildExpression(VFXExpression[] inputExpression)
{
var type = inputExpression[0].valueType;
VFXExpression input;
if (Clamp)
{
input = VFXOperatorUtility.Saturate(inputExpression[0]);
}
else
{
input = inputExpression[0];
}
return(new[] { VFXOperatorUtility.Mad(input, VFXOperatorUtility.TwoExpression[type], VFXOperatorUtility.Negate(VFXOperatorUtility.OneExpression[type])) });
}
