public RotatedRectangle(RectangleF rectangle, Single rotation)
: base(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height)
{
this.Rotation = rotation;
// Calculate the Rectangle's origin. We assume the center of the Rectangle will
// be the point that we will be rotating around and we use that for the origin
Origin = new Vector2(Width / 2, Height / 2);
}
/// <summary>
/// Checks to see if a <see cref="RectangleF"/> has collided with a <see cref="RotatedRectangle"/>.
/// </summary>
/// <param name="rectangle"></param>
/// <param name="overlap"></param>
/// <returns></returns>
public bool Intersects(RectangleF rectangle, out Single overlap, out Vector2 collisionProjection)
{
return Intersects(new RotatedRectangle(rectangle, 0), out overlap, out collisionProjection);
}
public static RectangleF WorldUnitsToPixels(RectangleF rectangle)
{
return new RectangleF(rectangle.X * WorldToPixel, rectangle.Y * WorldToPixel,
rectangle.Width * WorldToPixel, rectangle.Height * WorldToPixel);
}
public override void Draw(GameTime gameTime)
{
// FIRST Draw pass: the background
spriteBatch.Begin(SpriteBlendMode.None,
SpriteSortMode.Immediate,
SaveStateMode.None,
camera.GetViewMatrix());
// magic to tile
GraphicsDevice.SamplerStates[0].AddressU = TextureAddressMode.Wrap;
GraphicsDevice.SamplerStates[0].AddressV = TextureAddressMode.Wrap;
RectangleF bgRect = new RectangleF(camera.CameraPosition,
new Vector2(GraphicsDevice.Viewport.Width, GraphicsDevice.Viewport.Height));
Single resizeByX = Math.Abs(camera.Origin.X / camera.Zoom);
Single resizeByY = Math.Abs(camera.Origin.Y / camera.Zoom);
bgRect.X -= resizeByX;
bgRect.Y -= resizeByY;
bgRect.Width += 2 * resizeByX;
bgRect.Height += 2 * resizeByY;
// draw the grass background
spriteBatch.Draw(backgroundTexture, (Rectangle)bgRect, (Rectangle)bgRect, Color.White);
spriteBatch.End();
// SECOND Draw pass: draw the stretched map objects.
spriteBatch.Begin(SpriteBlendMode.AlphaBlend,
SpriteSortMode.BackToFront,
SaveStateMode.None,
camera.GetViewMatrix());
mapObjects.TryGetValue("stretched", out stretched);
foreach (Sprite mapObject in stretched)
mapObject.Draw(gameTime, spriteBatch);
spriteBatch.End();
// THIRD Draw pass: draw the tiled map objects.
spriteBatch.Begin(SpriteBlendMode.AlphaBlend,
SpriteSortMode.Immediate,
SaveStateMode.None,
camera.GetViewMatrix());
// using wrapping
GraphicsDevice.SamplerStates[0].AddressU = TextureAddressMode.Wrap;
GraphicsDevice.SamplerStates[0].AddressV = TextureAddressMode.Wrap;
mapObjects.TryGetValue("tiled", out tiled);
foreach (Sprite mapObject in tiled)
mapObject.Draw(gameTime, spriteBatch);
spriteBatch.End();
// FOURTH Draw pass: draw the dynamic objects (stretched).
spriteBatch.Begin(SpriteBlendMode.AlphaBlend,
SpriteSortMode.BackToFront,
SaveStateMode.None,
camera.GetViewMatrix());
foreach (Sprite sprite in dynamicObjects)
sprite.Draw(gameTime, spriteBatch);
playerManager.Draw(gameTime, spriteBatch);
spriteBatch.End();
// FIFTH Draw pass: draw the HUD components.
spriteBatch.Begin(SpriteBlendMode.AlphaBlend,
SpriteSortMode.BackToFront,
SaveStateMode.None);
scoreHUD.Draw(spriteBatch);
spriteBatch.End();
base.Draw(gameTime);
}
