| public GetNormalClosestTo ( CCPoint point, float &distance ) : CCPoint | ||
| point | CCPoint | |
| distance | float | |
| return | CCPoint | |
public static CCPoint GetSeparationVector(Circle circle, Polygon polygon)
{
bool isCircleCenterInPolygon = polygon.IsPointInside(
circle.PositionWorldspace.X, circle.PositionWorldspace.Y);
float distance;
var normal = polygon.GetNormalClosestTo(circle.PositionWorldspace, out distance);
if (isCircleCenterInPolygon)
{
distance += circle.Radius;
}
else
{
distance = circle.Radius - distance;
}
// increase the distance by a small amount to make sure that the objects do separate:
distance += .5f;
var separation = normal * distance;
return separation;
}
