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OFHashFinalize(&hash);
return hash;
}
- (void)multiplyWithMatrix: (OFMatrix4x4 *)matrix
{
float right[4][4];
float result[4][4] = {{ 0 }};
memcpy(right, _values, sizeof(right));
#define left matrix->_values
_values[0][0] = left[0][0] * right[0][0] + left[0][1] * right[1][0] +
left[0][2] * right[2][0] + left[0][3] * right[3][0];
_values[0][1] = left[0][0] * right[0][1] + left[0][1] * right[1][1] +
left[0][2] * right[2][1] + left[0][3] * right[3][1];
_values[0][2] = left[0][0] * right[0][2] + left[0][1] * right[1][2] +
left[0][2] * right[2][2] + left[0][3] * right[3][2];
_values[0][3] = left[0][0] * right[0][3] + left[0][1] * right[1][3] +
left[0][2] * right[2][3] + left[0][3] * right[3][3];
_values[1][0] = left[1][0] * right[0][0] + left[1][1] * right[1][0] +
left[1][2] * right[2][0] + left[1][3] * right[3][0];
_values[1][1] = left[1][0] * right[0][1] + left[1][1] * right[1][1] +
left[1][2] * right[2][1] + left[1][3] * right[3][1];
_values[1][2] = left[1][0] * right[0][2] + left[1][1] * right[1][2] +
left[1][2] * right[2][2] + left[1][3] * right[3][2];
_values[1][3] = left[1][0] * right[0][3] + left[1][1] * right[1][3] +
left[1][2] * right[2][3] + left[1][3] * right[3][3];
_values[2][0] = left[2][0] * right[0][0] + left[2][1] * right[1][0] +
left[2][2] * right[2][0] + left[2][3] * right[3][0];
_values[2][1] = left[2][0] * right[0][1] + left[2][1] * right[1][1] +
left[2][2] * right[2][1] + left[2][3] * right[3][1];
_values[2][2] = left[2][0] * right[0][2] + left[2][1] * right[1][2] +
left[2][2] * right[2][2] + left[2][3] * right[3][2];
_values[2][3] = left[2][0] * right[0][3] + left[2][1] * right[1][3] +
left[2][2] * right[2][3] + left[2][3] * right[3][3];
_values[3][0] = left[3][0] * right[0][0] + left[3][1] * right[1][0] +
memcpy(_values, result, sizeof(result));
left[3][2] * right[2][0] + left[3][3] * right[3][0];
_values[3][1] = left[3][0] * right[0][1] + left[3][1] * right[1][1] +
left[3][2] * right[2][1] + left[3][3] * right[3][1];
_values[3][2] = left[3][0] * right[0][2] + left[3][1] * right[1][2] +
left[3][2] * right[2][2] + left[3][3] * right[3][2];
_values[3][3] = left[3][0] * right[0][3] + left[3][1] * right[1][3] +
left[3][2] * right[2][3] + left[3][3] * right[3][3];
#undef left
|