public Basic2DObject CheckCollision(Basic2DObject Tester)
{
Vector2 MinPosition = (Tester.getUpperLeftCorner() - Min) / CellSize;
Vector2 MaxPosition = (Tester.getLowerRightCorner() - Min) / CellSize;
int MinCellX = (int)MathHelper.Clamp(MinPosition.X, 0, CellsX);
int MinCellY = (int)MathHelper.Clamp(MinPosition.Y, 0, CellsY);
int MaxCellX = (int)MathHelper.Clamp(MaxPosition.X, 0, CellsX) + 1;
int MaxCellY = (int)MathHelper.Clamp(MaxPosition.Y, 0, CellsY) + 1;
for (int x = MinCellX; x < MaxCellX; x++)
{
for (int y = MinCellY; y < MaxCellY; y++)
{
Basic2DObject g = null;
g = Children[x, y].CheckCollision(Tester);
if (g != null)
{
return(g);
}
}
}
return(null);
}
private void commitWorldBlocker(Basic2DObject w)
{
Vector2 UpperLeftCorner = (w.getUpperLeftCorner() - Parent2DScene.MinBoundary.get()) / Divisor + new Vector2(0.5f);
Vector2 LowerRightCorner = (w.getLowerRightCorner() - Parent2DScene.MinBoundary.get()) / Divisor + new Vector2(0.5f);
Vector2 Center = (w.getLowerRightCorner() - Parent2DScene.MinBoundary.get()) / Divisor;
int MinX = (int)UpperLeftCorner.X;
int MinY = (int)UpperLeftCorner.Y;
int MaxX = (int)LowerRightCorner.X;
int MaxY = (int)LowerRightCorner.Y;
for (int x = MinX; x < MaxX + 1; x++)
{
for (int y = MinY; y < MaxY + 1; y++)
{
CellGrid[x, y] = DeadCell;
}
}
if (w.GetType().Equals(typeof(WallNode)))
{
WallNode s = (WallNode)w;
if (s.wallConnector != null)
{
UpperLeftCorner = Logic.Min(UpperLeftCorner, (s.wallConnector.PositionNext - s.Size.get() / 2 - Parent2DScene.MinBoundary.get()) / Divisor + new Vector2(0.5f));
LowerRightCorner = Logic.Max(LowerRightCorner, (s.wallConnector.PositionNext + s.Size.get() / 2 - Parent2DScene.MinBoundary.get()) / Divisor + new Vector2(0.5f));
MinX = (int)UpperLeftCorner.X;
MinY = (int)UpperLeftCorner.Y;
MaxX = (int)LowerRightCorner.X;
MaxY = (int)LowerRightCorner.Y;
for (int x = MinX; x < MaxX + 1; x++)
{
for (int y = MinY; y < MaxY + 1; y++)
{
if (Logic.DistanceLineSegmentToPoint(s.Position.get(), s.wallConnector.PositionNext,
(new Vector2(x, y) - new Vector2(0.5f)) * Divisor + Parent2DScene.MinBoundary.get()) < w.Size.X())
{
CellGrid[x, y] = DeadCell;
}
}
}
}
}
}
