collision

        public void ResolveCollisions() {
            List<Entity> elist = GetCollisionsList(this.BoundingSprite);
            if (elist.Count > 0) {
                foreach (Entity e in elist) {
                    //Entity e = elist[0];
                    CollisionPart ep = (CollisionPart)e.SignalPart("CollisionPart");
                    //where to move
                    float moveX = 0.0f;
                    float moveY = 0.0f;
                    //left/right/top/bottom
                    float l =  ep.BoundingSprite.Position.X - (this.BoundingSprite.Position.X + this.BoundingSprite.Texture.Size.X);
                    float r = (ep.BoundingSprite.Position.X + ep.BoundingSprite.Texture.Size.X) - this.BoundingSprite.Position.X;
                    float t =  ep.BoundingSprite.Position.Y - (this.BoundingSprite.Position.Y + this.BoundingSprite.Texture.Size.Y);
                    float b = (ep.BoundingSprite.Position.Y + ep.BoundingSprite.Texture.Size.Y) - this.BoundingSprite.Position.Y;
                    // find the offset of both sides
                    moveX = Math.Abs(l) < r ? l : r;
                    moveY = Math.Abs(t) < b ? t : b;
                    //speed at which entities will move out of each other (for cooler effect)
                    //um, never mind, using delta time causes things to get pushed by
                    //other entities when they shouldn't be able to.
                    float s = 1; // Globals.DeltaTime.AsSeconds() * 26.0f;
                    // only use whichever offset is the smallest
                    if (Math.Abs(moveX) < Math.Abs(moveY))
                        this.HorizontalPosition += moveX * s; else
                        this.VerticlePosition   += moveY * s;
                        //making these negative is very funny
                        //multiplying the values by deltatime has a cool slowdown effect
                }
                this.UpdateBounding();
            }
        }