void animate(int i)
{
GLfloat x, y;
pointNode * last;
if(!bPaused && !bComplete)
{
GLfloat displacement = calcDisplacement(minX, maxX, minY, maxY);
last = curr;
randomDisplacement(displacement, x, y);
curr = AddNode(curr, curr->x + x, curr->y + y);
count = pointCount(head);
glutPostRedisplay();
//We only want to keep going if
if(checkNode(curr, minX, maxX, minY, maxY))
{
//keep a roughly constat fps
glutTimerFunc(17, animate, 0);
}else
{
findExitPoint(last, curr);
bComplete = true;
}
}
}
/**
* performs one sweep, which means Nx*Ny random updates
*/
double performSweep() {
int overlap = 0;
#pragma omp parallel for
for(int n=0; n<Nx*Ny; n++) {
int i = randomIndex(gen);
disc_t temp = discs[i];
double dx = randomDisplacement(gen);
double dy = randomDisplacement(gen);
temp.x += dx;
temp.y += dy;
if(doesOverlap(temp, i))
overlap++;
else
discs[i] = temp;
}
return ((double) overlap)/(Nx*Ny);
}
