On 2006-02-23 13:11:00 -0700 "Vaisburd, Haim" <[EMAIL PROTECTED]>
wrote:
The matrix multiplication is not commutative and the last line should
be
instead
matrix = matrix_multiply(matrix, tranm);
Do you have a test that shows this is wrong? All my tests work with
the current version (as well as give the same result as Mac OSX).
I prefer the old version though:
- (void) translateXBy: (float)tranX yBy: (float)tranY
{
TX += tranX;
TY += tranY;
}
it's clearer and faster.
But incorrect. Remember we are translating a coordinate system, not a
point.
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