public static void SetCollisionNotification(Box sender, SpatialGrid spatialGrid)
{
Box copy = new Box(sender);
copy.Inflate(1, 1);
foreach (Box aabb in spatialGrid.GetProbableCollisions(sender))
{
if (aabb.Intersects(copy))
{
sender.CollisionNotification(aabb);
}
}
copy.Inflate(-1, -1);
}
public static void ExpulseCollision(Box sender, SpatialGrid spatialGrid)
{
if (sender.Solid)
{
foreach (Box aabb in spatialGrid.GetProbableCollisions(sender))
{
if (aabb is KineticBox)
{
KineticBox box = aabb as KineticBox;
if ((box.InteractWithSolid) && (box.Intersects(sender)))
{
ClassicCollision(box, spatialGrid);
}
}
}
}
}
public override void Draw(GameTime gameTime)
{
SpriteBatch spriteBatch = Game.Services.GetService <SpriteBatch>();
foreach (Box aabb in SpatialGrid.GetProbableCollisions(new Box(null, 0, 0, Width, Height)))
{
if (aabb.CollisionSide.HasFlag(Box.CollisionDirection.Inside))
{
DrawHelper.DrawRectangle(spriteBatch, aabb.Rectangle, new Color(Color.Green, 0.1f));
}
DrawHelper.DrawOutline(spriteBatch, aabb.Rectangle, Color.Black);
if (aabb.CollisionSide.HasFlag(Box.CollisionDirection.Top))
{
DrawHelper.DrawRectangle(spriteBatch, new Rectangle(aabb.Rectangle.Left, aabb.Rectangle.Top, aabb.Rectangle.Width, 1), Color.Green);
}
if (aabb.CollisionSide.HasFlag(Box.CollisionDirection.Left))
{
DrawHelper.DrawRectangle(spriteBatch, new Rectangle(aabb.Rectangle.Left, aabb.Rectangle.Top, 1, aabb.Rectangle.Height), Color.Green);
}
if (aabb.CollisionSide.HasFlag(Box.CollisionDirection.Right))
{
DrawHelper.DrawRectangle(spriteBatch, new Rectangle(aabb.Rectangle.Right - 1, aabb.Rectangle.Top, 1, aabb.Rectangle.Height), Color.Green);
}
if (aabb.CollisionSide.HasFlag(Box.CollisionDirection.Bottom))
{
DrawHelper.DrawRectangle(spriteBatch, new Rectangle(aabb.Rectangle.Left, aabb.Rectangle.Bottom - 1, aabb.Rectangle.Width, 1), Color.Green);
}
if (aabb is KineticBox)
{
KineticBox box = aabb as KineticBox;
Vector2 end = box.Acceleration;
end *= (float)gameTime.ElapsedGameTime.TotalSeconds;
DrawHelper.DrawLine(spriteBatch, box.Rectangle.Center, box.Rectangle.Center + end.ToPoint(), Color.Red);
end = box.Speed;
end *= (float)gameTime.ElapsedGameTime.TotalSeconds;
DrawHelper.DrawLine(spriteBatch, box.Rectangle.Center, box.Rectangle.Center + end.ToPoint(), Color.Blue);
}
}
SpatialGrid.Draw(gameTime);
}
