A Paste by baldurk

1

float a, b, c; a = vec.x * m[0] + vec.y * m[1] + vec.z * m[2] + m[3]; b = vec.x * m[4] + vec.y * m[5] + vec.z * m[6] + m[7]; c = vec.x * m[8] + vec.y * m[9] + vec.z * m[10] + m[11]; return Vector(a, b, c);