public static Vector2 CollisionVector(Circle circle, AABB aabb)
{
Vector2 nearestVector = NearestVectorBetweenCircleAndAABB(aabb, circle);
if (NearestVectorIntersects(nearestVector, circle))
{
return nearestVector;
}
return NULL_VECTOR;
}
private void DrawBrick(AABB brick)
{
Rectangle destRect = new Rectangle(
(int)(brick.Position.X - brick.HalfExtent.X),
(int)(brick.Position.Y - brick.HalfExtent.Y),
(int)brick.HalfExtent.X * 2,
(int)brick.HalfExtent.Y * 2);
float opacity = (float)1.0f;
if (_collisionPaused) opacity = 0.2f;
_spriteBatch.Begin();
_spriteBatch.Draw(_brickTexture, destRect, brick.Color * opacity);
_spriteBatch.End();
}
protected override void LoadContent()
{
_ballTexture = Game.Content.Load<Texture2D>("Images/Ball");
_brickTexture = Game.Content.Load<Texture2D>("Images/BrickTemplate");
_vectorTexture = Game.Content.Load<Texture2D>("Images/DirectionVector");
_brickDatas = Game.Content.Load<BrickData[]>("XMLFile1");
foreach (var brickData in _brickDatas)
{
var brick = new AABB(brickData.Position.X, brickData.Position.Y, brickData.Size.X, brickData.Size.Y);
brick.Color = brickData.Color;
_levelBricks.Add(brick);
}
base.LoadContent();
}
public static Vector2 NearestVectorBetweenCircleAndAABB(AABB aabb, Circle circle)
{
Vector2 v = circle.Position - aabb.Position;
Vector2 vClamped = Vector2.Clamp(v, -aabb.HalfExtent, aabb.HalfExtent);
return v - vClamped;
}