Robert Špalek caa3b6707e Improved the interface of Sprite and Animation concerning relative coordinates and scaling.
It is no longer needed to modify the underlying animations when drawing them
on the screen or testing pixels in them.  Read access is enough, because
the displacement of the object is passed as a parameter.

Added some more const's where they logically belong.

svn-id: r44419
2009-09-27 20:49:59 +00:00
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