int main(int argc, char* argv[])
{
NWindow Window(&Width,&Height,"Quadtrees!",false,argc,argv); //Create and size window (with opengl bindings)
NText::SetScreen(Width, Height); //Make sure our text render-er knows how large the window is
NText::Text MyText("Quadtrees!","textures/boot",16,0,0,1,1,1,1); //Create a text object
glClearColor(0.2,0.1,0.2,1); //Set clear color to some sweet purple color
NQuadTree::Node* MyNode = NQuadTree::NewNode(0,0,Width,Height,NULL); //Create our root quad-tree and subdivide it 4 times
MyNode->SubDivide();
MyNode->SubDivide();
MyNode->SubDivide();
MyNode->SubDivide();
while(true)
{
if (Window.ChangedSize(&Width,&Height)) //If the window changes size, update the shaders.
{
NText::SetScreen(Width, Height);
}
if (!Window.CheckOpen()) //If the window is closed, clean up and exit.
{
std::cout << "X window closed, exiting...\n";
CleanAndExit();
}
int X,Y;
Window.GetMouse(&X,&Y);
if (Window.GetKey() == 25) //If W is pressed clear the screen
{
Dots.clear();
}
for (unsigned int i=0;i<3;i++) //create 3 dots per frame
{
Dot MyDot(rand()%Width,0,3+rand()%10);
MyDot.VX = float(rand()%10-rand()%10);
Dots.push_back(MyDot);
}
MyNode->Clear(); //empty out the quad tree
for (unsigned int i=0;i<Dots.size();i++) //Update every dot and insert them into the quad tree
{
Dots[i].Update(MyNode);
MyNode->AddObject(&Dots[i]);
}
glClear(GL_COLOR_BUFFER_BIT); //Clear buffer to our purple color.
NQuadTree::DrawNodes(); //Draw some boxes around our quad tree's nodes
for (unsigned int i=0;i<Dots.size();i++) //Draw our dots
{
Dots[i].Draw();
}
MyText.Draw(); //Draw our text into the buffer.
Window.SwapBuffer(); //Swap the buffer, effectively displaying the drawn image.
Window.CapFPS(60); //Cap the fps at 60 so our program doesn't eat all the CPU it can.
for (unsigned int i=0;i<Dots.size();i++) //Delayed position update to keep collisions sane
{
Dots[i].UpdatePos();
}
}
return 0;
}
/////////////////////////////////////////////////////////////////////////////
//
// socketErrorExit
//
// Description
// Print supplied error message and exit the program.
//
// Parameters
// szError - Error message text
//
void CProxy::socketErrorExit(char *szError)
{
printf("Socket error: %s\n", szError);
CleanAndExit(0);
}
