Recently watched Small Time Outlaws video tutorial series on the mojo 2d framework. Never heard of DrawingMatrix until now. While I've seen some code in action, I'm not sure I totally grasp the concept. Your reasoning and explanations are appreciated. Here's what I think I know...
The Identity Matrix is used as a normal default matrix for the DrawingMatrix. To reset the DrawingMatrix back to some type of normal, setting it to the Identity Matrix satisfies it.
The DrawingMatrix represents a collection of 2D modifications, when added to the stack, will influence drawing commands. For example, your game has drawing commands in code that work on one platform and a particular device. Now you want your game to work on either a different platform or a device with different resolution and/or pixels per inch. Instead of having to change the drawing commands in the code, you can create a different DrawingMatrix. When the game is run on the different platform or device, it will work thanks to the 2D modifications in the different DrawingMatrix.
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