Exemplo n.º 1
0
// \brief Return the 4x4 matrix of a transform
// This function returns a pointer to an array of 16 floats
// containing the transform elements as a 4x4 matrix, which
// is directly compatible with OpenGL functions.
// \code
// sfTransform* transform = ...;
// glLoadMatrixf(sfTransform_getMatrix(transform));
// \endcode
// \param transform Transform object
// \return Pointer to a 4x4 matrix
// const float* sfTransform_getMatrix(const sfTransform* transform);
func (self Transform) Matrix() [16]float32 {
	//size := 2
	carr := C.sfTransform_getMatrix(self.Cref)
	arr := [16]float32{}

	p := unsafe.Pointer(carr)
	ptr := uintptr(p)

	for i := 0; i < 16; i++ {
		arr[i] = float32(*(*C.float)(p))
		ptr += 4
		p = unsafe.Pointer(ptr)
	}
	return arr
}
Exemplo n.º 2
0
// \brief Return the 4x4 matrix of a transform
//
// This function fills an array of 16 floats with the transform
// converted as a 4x4 matrix, which is directly compatible with
// OpenGL functions.
//
// \code
// sfTransform transform = ...;
// float matrix[16];
// sfTransform_getMatrix(&transform, matrix)
// glLoadMatrixf(matrix);
// \endcode
//
// \param transform Transform object
// \param matrix Pointer to the 16-element array to fill with the matrix
//
///////////////////////////////////////////////////////////
// CSFML_GRAPHICS_API void sfTransform_getMatrix(const sfTransform* transform, float* matrix);
func (self Transform) GetMatrix(matrix [16]float32) {
	p := unsafe.Pointer(&matrix[0])
	C.sfTransform_getMatrix(self.Cref, (*C.float)(p))
}