I've decided to give Github a go, with a simple project containing some
routines for performing 2D linear transformations
<http://github.com/ldo/linear2d/tree>.
This takes a functional rather than procedural approach. For example, a
function to construct a matrix that maps a source rectangle to a
destination rectangle is
def MapRect(SrcRect, DstRect) :
return \
(
Matrix.translation(- SrcRect.topleft())
*
Matrix.scaling(DstRect.dimensions() / SrcRect.dimensions())
*
Matrix.translation(DstRect.topleft())
)
#end MapRect
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