public void ShouldStaticallyLinearInterpoleTwoVectorsByGivenAmmountAndDontChangeOriginalVectors()
{
PVector vectorA = new PVector(1, 2, 3);
PVector vectorACopy = vectorA.Copy();
PVector vectorB = new PVector(5, 6, 7);
PVector vectorBCopy = vectorB.Copy();
float ammount = 0.5f;
PVector resultVector = PVector.Lerp(vectorA, vectorB, ammount);
// vectorA should not be changed
Assert.Equal(vectorACopy.X, vectorA.X);
Assert.Equal(vectorACopy.Y, vectorA.Y);
Assert.Equal(vectorACopy.Z, vectorA.Z);
// vectorB should not be changed
Assert.Equal(vectorBCopy.X, vectorB.X);
Assert.Equal(vectorBCopy.Y, vectorB.Y);
Assert.Equal(vectorBCopy.Z, vectorB.Z);
Assert.NotNull(resultVector);
Assert.Equal(3f, resultVector.X);
Assert.Equal(4f, resultVector.Y);
Assert.Equal(5f, resultVector.Z);
}
public void ShouldLinearInterpoleFromXYZAndAmmountParams()
{
PVector vectorA = new PVector(1, 2, 3);
float ammount = 0.5f;
PVector resultVector = vectorA.Lerp(5, 6, 7, ammount);
Assert.Same(resultVector, vectorA);
Assert.NotNull(resultVector);
Assert.Equal(3f, resultVector.X);
Assert.Equal(4f, resultVector.Y);
Assert.Equal(5f, resultVector.Z);
vectorA = new PVector(1, 2, 3);
ammount = 1f / 3f;
resultVector = vectorA.Lerp(4, 5, 6, ammount);
Assert.NotNull(resultVector);
Assert.Same(resultVector, vectorA);
Assert.Equal(2f, resultVector.X);
Assert.Equal(3f, resultVector.Y);
Assert.Equal(4f, resultVector.Z);
}
