/// <summary> Creates a 4x4 matrix from a 3x2 matrix. </summary>
public static Matrix4x4Node Matrix4x4(Matrix3x2Node val)
{
return(Function <Matrix4x4Node>(ExpressionNodeType.Matrix4x4,
val._11, val._12, (ScalarNode)0, (ScalarNode)0,
val._21, val._22, (ScalarNode)0, (ScalarNode)0,
(ScalarNode)0, (ScalarNode)0, (ScalarNode)1, (ScalarNode)0,
val._31, val._32, (ScalarNode)0, (ScalarNode)1));
}
//
// Helper functions
//
internal static T CreateExpressionNode <T>() where T : class
{
T newNode;
if (typeof(T) == typeof(BooleanNode))
{
newNode = new BooleanNode() as T;
}
else if (typeof(T) == typeof(ScalarNode))
{
newNode = new ScalarNode() as T;
}
else if (typeof(T) == typeof(Vector2Node))
{
newNode = new Vector2Node() as T;
}
else if (typeof(T) == typeof(Vector3Node))
{
newNode = new Vector3Node() as T;
}
else if (typeof(T) == typeof(Vector4Node))
{
newNode = new Vector4Node() as T;
}
else if (typeof(T) == typeof(ColorNode))
{
newNode = new ColorNode() as T;
}
else if (typeof(T) == typeof(QuaternionNode))
{
newNode = new QuaternionNode() as T;
}
else if (typeof(T) == typeof(Matrix3x2Node))
{
newNode = new Matrix3x2Node() as T;
}
else if (typeof(T) == typeof(Matrix4x4Node))
{
newNode = new Matrix4x4Node() as T;
}
else
{
throw new Exception("unexpected type");
}
return(newNode);
}
public static Matrix3x2Node Conditional(BooleanNode condition, Matrix3x2Node trueCase, Matrix3x2Node falseCase)
{
return(Function <Matrix3x2Node>(ExpressionNodeType.Conditional, condition, trueCase, falseCase));
}
/// <summary> Transforms a vector by the specified matrix. </summary>
/// <param name="val1">Vector to be transformed.</param>
/// <param name="val2">The transformation matrix.</param>
public static Vector2Node Transform(Vector2Node val1, Matrix3x2Node val2)
{
return(Function <Vector2Node>(ExpressionNodeType.Transform, val1, val2));
}
public static Matrix3x2Node Scale(Matrix3x2Node val1, ScalarNode val2)
{
return(Function <Matrix3x2Node>(ExpressionNodeType.Scale, val1, val2));
}
/// <summary> Returns the inverse of the specified matrix. </summary>
/// <param name="val">The matrix to invert.</param>
public static Matrix3x2Node Inverse(Matrix3x2Node val)
{
return(Function <Matrix3x2Node>(ExpressionNodeType.Inverse, val));
}