Mercurial > touhou
view pytouhou/utils/maths.pxd @ 524:7f016dfbdfb1
Make vector a struct, allocate it directly on the stack, and thus pass it by copy, which is much less expensive than a python allocation.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Wed, 18 Dec 2013 18:15:40 +0100 |
| parents | 6e3b3d5d4691 |
| children |
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from .matrix cimport Matrix cdef Matrix *ortho_2d(float left, float right, float bottom, float top) nogil cdef Matrix *perspective(float fovy, float aspect, float zNear, float zFar) nogil cdef Matrix *setup_camera(float dx, float dy, float dz)