Exemplo n.º 1
0
void Matrix44::setRotation(double radians, Vector axis){
    assert(axis.size() == 3);
    Matrix44 r   = Matrix44();
    Matrix44 aux = Matrix44();;
    aux.setIdentity();
    aux.setPosition(m[3],m[7],m[11]);
    r.setRotationMatrix(radians, axis);
    operator=(r*aux);
}
Exemplo n.º 2
0
//---------------------
//For a local rotation you have to:
//1. Put the Matrix at 0,0,0 world coordinates after memorizing the original position
//2. Make a normal rotation
//3. Put back Matrix to its original position
//---------------------
void Matrix44::rotateLocal(double radians, Vector axis){
    //1
    Matrix44 r  = Matrix44();
    r.setRotationMatrix(radians,axis);
    
    Vector   pos= Vector(3);
    pos.takePosition(*this);

    setPosition(0,0,0);
    
    //2
    operator=(r*(*this));
    
    //3
    setPosition(pos[0], pos[1], pos[2]);
}