Made a free and open source game: https://store.steampowered.com/app/2717710/Red_Planet_Rampage/
I love baking sourdough and data :)
A shear only 2D matrix:
[1, a
0, 1]
Is inverted as:
[1, -a,
0, 1]
While and affine matrix can scale a when inverted
A shear only 2D matrix:
[1, a
0, 1]
Is inverted as:
[1, -a,
0, 1]
While and affine matrix can scale a when inverted