public bool InsideRectangle(Rectangle rect)
{
return rect.ContainsPoint(this);
}
public void GenerateAABB()
{
float minX = float.MaxValue, minY = float.MaxValue, maxX = float.MinValue, maxY = float.MinValue;
for (var node = filledPolygons.First; node != null; node = node.Next)
{
for (int i = 0; i < node.Value.Points.Count; ++i)
{
var point = node.Value.Points[i];
if (point.X < minX) minX = point.X;
if (point.Y < minY) minY = point.Y;
if (point.X > maxX) maxX = point.X;
if (point.Y > maxY) maxY = point.Y;
}
}
for (var node = outlinePolygons.First; node != null; node = node.Next)
{
for (int i = 0; i < node.Value.Points.Count; ++i)
{
var point = node.Value.Points[i];
if (point.X < minX) minX = point.X;
if (point.Y < minY) minY = point.Y;
if (point.X > maxX) maxX = point.X;
if (point.Y > maxY) maxY = point.Y;
}
}
AABB = new Rectangle(minX, minY, maxX - minX, maxY - minY);
}
private Rectangle Combine(Rectangle first, Rectangle second)
{
if (first == Rectangle.Zero && second == Rectangle.Zero) return Rectangle.Zero;
if (first == Rectangle.Zero) return second;
if (second == Rectangle.Zero) return first;
float left = first.X;
float top = first.Y;
float right = first.X + first.Width;
float bottom = first.Y + first.Height;
if (second.X < left) left = second.X;
if (second.Y < top) top = second.Y;
if (second.X + second.Width > right) right = second.X + second.Width;
if (second.Y + second.Height > bottom) bottom = second.Y + second.Height;
return new Rectangle(left, top, right - left, bottom - top);
}