static bool isInRadius(vector<Point3i> & patterns, Point2i point)
{
for (int i=0;i<patterns.size();i++)
{
Point2i patternPoint = Point2i(patterns[i].x,patterns[i].y);
int distanceSquared = GetSquaredDistance(patternPoint,point);
if (distanceSquared < patterns[i].z)
return true;
}
return false;
}
bool csMeshWrapper::UseImposter (iRenderView *rview)
{
if (!factory)
return false;
csMeshFactoryWrapper* factwrap = static_cast<csMeshFactoryWrapper*> (factory);
if(!factwrap->GetMinDistance())
return false;
float wor_sq_dist = GetSquaredDistance (rview);
float dist = factwrap->GetMinDistance();
return (wor_sq_dist > dist*dist);
}
float csMeshWrapper::GetSquaredDistance (iRenderView *rview)
{
csVector3 cam_origin = rview->GetCamera ()->GetTransform ().GetOrigin ();
return GetSquaredDistance (cam_origin);
}
/**
* @brief
*
* @param x
* @param y
*
* @return
*/
bool
IsInsideCircle(uint64_t squared_radius, int32_t x, int32_t y)
{
return (GetSquaredDistance(x, y) < squared_radius);
}