void Object3d::scaleRelativeToPoint(Point3d p, float sx, float sy, float sz){
//scale each pt
for(unsigned int i=0;i<points.size();i++){
points[i].scaleRelativeToPoint(p,sx,sy,sz);
}
computeAxis();
}
void Object3d::scale(float sx, float sy, float sz){
//scale each pt
for(unsigned int i=0;i<points.size();i++){
points[i].scale(sx,sy,sz);
}
computeAxis();
}
//-------------------------------------------------------------------------------------
// Object3D
//-------------------------------------------------------------------------------------
//constructor & destructor
Object3d::Object3d(std::vector<Point3d> points, std::vector<int> topology){
this->points = points;
this->topology = topology;
//color
colorx=colory=colorz=1;
draw_axis=false;
//compute axis
axiscenter.set(0,0,0);
axisup.set(0,2,0);
axisright.set(2,0,0);
axisfwd.set(0,0,2);
computeAxis();
}
//-----------------------------------------------------------------------------------------------------
// Object2d
//-----------------------------------------------------------------------------------------------------
//constructor & destructor
Object2d::Object2d(std::vector<Point2d> points, std::vector<int> topology){
this->points = points;
this->topology = topology;
//color
colorx=colory=colorz=1;
//drawaxis
drawaxis=true;
//set axis
axiscenter.set(0,0);
axisup.set(0,1);
axisright.set(1,0);
computeAxis();
}
// Helper for constructor
void Rectangle2d::init()
{
// Corners from upper right to lower right counterclockwise
points.push_back(Point2d(length / 2, height / 2));
points.push_back(Point2d(-length / 2, height / 2));
points.push_back(Point2d(-length / 2, -height / 2));
points.push_back(Point2d(length / 2, -height / 2));
topology.push_back(0);
topology.push_back(1);
topology.push_back(2);
topology.push_back(2);
topology.push_back(3);
topology.push_back(0);
computeAxis();
}
// Helper method for circle creation
void Circle2d::init()
{
this->points.push_back(Point2d(0, 0));
for (float i = 0; abs(i - TWICE_PI) > DELTA; i += TWICE_PI / NUM_TRIANGLES)
this->points.push_back(Point2d( radius * cos(i), radius * sin(i)));
for (int i = 1; i <= NUM_TRIANGLES; ++i)
{
this->topology.push_back(0);
this->topology.push_back(i);
if (i != NUM_TRIANGLES)
this->topology.push_back(i + 1);
else
this->topology.push_back(1);
}
computeAxis();
}
