public static IAffineTransformMatrix <T> NewRotation(VectorDimension dimension, double r)
{
IAffineTransformMatrix <T> a = MatrixFactory <T> .NewIdentity(dimension);
a.RotateAlong(MatrixFactory <T> .CreateZeroVector(dimension), r);
return(a);
}
public static IAffineTransformMatrix <T> NewScaling(VectorDimension dimension, T s)
{
IAffineTransformMatrix <T> a = MatrixFactory <T> .NewIdentity(dimension);
a.Scale(s);
return(a);
}
public static IAffineTransformMatrix <T> NewIdentity(VectorDimension dimension)
{
return(new AffineMatrix <T>(
MatrixFormat.ColumnMajor,
dimension == VectorDimension.Two ? 3 : 4));
//3);
}
public static void Set(ref Vector2 storeVector, ref Vector2 referenceVector, VectorDimension dimension)
{
switch (dimension)
{
case VectorDimension.X:
storeVector.x = referenceVector.x;
break;
case VectorDimension.Y:
storeVector.y = referenceVector.y;
break;
}
}
public static void Set(ref Vector4 storeVector, ref Vector4 referenceVector, VectorDimension dimension)
{
switch (dimension)
{
case VectorDimension.X:
storeVector.x = referenceVector.x;
break;
case VectorDimension.Y:
storeVector.y = referenceVector.y;
break;
case VectorDimension.Z:
storeVector.z = referenceVector.z;
break;
case VectorDimension.W:
storeVector.w = referenceVector.w;
break;
}
}
public static IVector <T> CreateZeroVector(VectorDimension dimension)
{
return(new Vector <T>((int)dimension));
}
