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POXNA collision weird behavior
 

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  1. POXNA collision weird behavior
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    <p>I'm reading the book "Learning XNA 4.0", and I'm in the object oriented design part. I'm having a weird problem with the collision of 2 rectangles.</p> <p>I have a list of automateSprite and a Player class both derived from the class Sprite. In the update method I'm checking the play and the aotomatedSprite rectangles are touching each other, now when I got over the list I have a string called touching that represents the collision.</p> <p>My problem is the veriable touching, only change if the player Sprite touch the last automateSprite in the list.</p> <p>The code that the book offer for testing is to do <code>Game.Exit()</code> if any collison was found. That work on every automatedSprite in the list, but when I change it to my simple test, it acts like I only check the last item from a list of 4 automatedSprite.</p> <p>here is the code:</p> <pre><code>string touching = ""; public override void Update(GameTime gameTime) { // TODO: Add your update code here player.Update(gameTime, Game.Window.ClientBounds); foreach (Sprite sprite in spriteList) { sprite.Update(gameTime, Game.Window.ClientBounds); if (sprite.collisionRect.Intersects(player.collisionRect)) touching = "touching"; else touching = "not touching"; } base.Update(gameTime); } public override void Draw(GameTime gameTime) { spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend); spriteBatch.DrawString(font, touching, Vector2.Zero, Color.Red); player.Draw(gameTime, spriteBatch); foreach (Sprite sprite in spriteList) { sprite.Draw(gameTime, spriteBatch); } spriteBatch.End(); base.Draw(gameTime); } </code></pre> <p>Edit------------------------------------------------------------------------- solution: I ask it in the game devlopment section and I got an answer. I had to have a <code>break;</code> in the foreach loop so it will not keep going after the it found a collison.</p>
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