C# Class Nez.ScissorStack

A stack of Rectangle objects to be used for clipping via GraphicsDevice.ScissorRectangle. When a new Rectangle is pushed onto the stack, it will be merged with the current top of stack.The minimum area of overlap is then set as the real top of the stack.

Show file Open project: prime31/Nez

Public Methods

Method	Description
calculateScissors ( Camera camera, Matrix batchTransform, Rectangle scissor ) : Rectangle	Calculates a screen space scissor rectangle using the given Camera. If the Camera is null than the scissor will be calculated only with the batchTransform
calculateScissors ( Camera camera, Matrix2D batchTransform, Rectangle scissor ) : Rectangle	Calculates a screen space scissor rectangle using the given Camera. If the Camera is null than the scissor will be calculated only with the batchTransform
popScissors ( ) : Rectangle	Pops the current scissor rectangle from the stack and sets the new scissor area to the new top of stack rectangle. Any drawing should be flushed before popping scissors.
pushScissors ( Rectangle scissor ) : bool

Method Details

calculateScissors() public static method

Calculates a screen space scissor rectangle using the given Camera. If the Camera is null than the scissor will be calculated only with the batchTransform

public static calculateScissors ( Camera camera, Matrix batchTransform, Rectangle scissor ) : Rectangle
camera	Camera	Camera.
batchTransform	Matrix	Batch transform.
scissor	Microsoft.Xna.Framework.Rectangle	Area.
return	Microsoft.Xna.Framework.Rectangle

calculateScissors() public static method

Calculates a screen space scissor rectangle using the given Camera. If the Camera is null than the scissor will be calculated only with the batchTransform

public static calculateScissors ( Camera camera, Matrix2D batchTransform, Rectangle scissor ) : Rectangle
camera	Camera	Camera.
batchTransform	Matrix2D	Batch transform.
scissor	Microsoft.Xna.Framework.Rectangle	Area.
return	Microsoft.Xna.Framework.Rectangle

popScissors() public static method

Pops the current scissor rectangle from the stack and sets the new scissor area to the new top of stack rectangle. Any drawing should be flushed before popping scissors.

public static popScissors ( ) : Rectangle
return	Microsoft.Xna.Framework.Rectangle

pushScissors() public static method

public static pushScissors ( Rectangle scissor ) : bool
scissor	Microsoft.Xna.Framework.Rectangle
return	bool