APPENDIX BZune Development QuickReference Guide
This appendix shows you how to accomplish many different effects outside the context of more detailed examples.
Animation
To animate a sprite, load a sprite sheet and change the source rectangle over time using a method to calculate the source rectangle.
private void UpdateSourceRect()
{
int width = _texture.Width / _numFrames;
int height = _texture.Height;
int frameOffset = _currentFrameIndex * width;
_sourceRect.X = frameOffset;
_sourceRect.Y = 0;
_sourceRect.Width = width;
_sourceRect.Height = height;
}
Sprite animation is covered in Chapter 3.
Input Handling
Input handling is made much easier through the use of an input state component. You can find such a component ...
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