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(If you haven't solved it already) Two things you can do to debug this further (if my solutions are not your problem) and give us more information: Use a normal SpriteBatch.Begin. (i.e. Just have …

Some other (possibly relevant) information: I'm using XNA. I'm applying this by providing it to a SpriteBatch (as an Effect). The SpriteBatch is using BlendState.NonPremultiplied. …

If you are dead-set on using Matrix math and wanting a wireframe hitbox, DrawUserIndexedPrimitives is probably the way to go. (As Jonathan said) However, the whole point of a debug mode is to be quick …

dadoo Games hit the nail right on the head. Your problem is that you may be saving a smaller file into a larger one, causing many problems and headaches as you do so. I second deleting your current …

You need to change this: if (FaKeyboard.IsKeyDown(Keys.Space)) { Jumping = true; xPosition -= new Vector2(0, 5); } To this: if (FaKeyboard.IsKeyDown(Keys.Space) && Jumpi …

I don't believe there is a magical "Port it!" button that will do everything for you, however ExEn does a pretty good job of getting rid of most of the manual work, while maintaining most of your curr …

I have a laser sprite that I wish to crop. I want to crop it so when it collides with an item, I can calculate the distance between the starting point, and the ending point, and only draw that. This …

Actually, I had a brainwave and it worked out. I used the size (specifically, a Vector2) to scale it instead of crop it. Here's the final code: spriteBatch.Draw(Laser.sprite, Laser.position + n …

XNA doesn't natively support Kinect, so you've got to use the Kinect SDK and XNA in conjunction with each other. However, you can use the two together fairly easily. … Kinect support is not included for XNA on the Xbox 360. …

There's a series of blog posts by Shawn about using XNA RPM located here, and here. Also, your method of checking garbage should work. … If XNA doesn't think it's running slowly, it's more than likely a refresh-rate problem. Hopefully this helps! …

You want to use a spritesheet. The SpriteSheetPacker tool can assist you in making one. First of all, we need to define some objects: Texture2D SpriteSheet; Point FrameSize = new Point(64, 64);//this …

I'm trying to use the XNA Bloom sample's component to apply bloom only to my UI text. …

So, I'm spawning a horizontal line of enemies that I would like to have move in a nice wave. Currently I tried: Enemy.position.X += Enemy.velocity.X; Enemy.position.Y += -(float)Math.Cos(Enemy.pos …

If you want something a little easier, without having to know about everything going on under the hood, I've heard that Krypton is a pretty good 2D lighting engine for XNA. …

Thanks in advance for wanting to help. I have an array of (right now) ~1000 enemies that I need to update every frame. The issue, I believe, is mainly brute-force checks. I've profiled my applicati …