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annotate pytouhou/utils/maths.pxd @ 789:b5bca9274335

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utils: Make some math functions const Sadly f32::sqrt() isn’t const, so we can’t make normalize() const nor any function which depends on it.
author Link Mauve <linkmauve@linkmauve.fr>
date Sun, 04 Jan 2026 11:49:03 +0100
parents 7f016dfbdfb1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
436
cb5c68598ab0 Cythonize pytouhou.utils.maths and pytouhou.utils.vector.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
1 from .matrix cimport Matrix
cb5c68598ab0 Cythonize pytouhou.utils.maths and pytouhou.utils.vector.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
2
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.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 523
diff changeset
3 cdef Matrix *ortho_2d(float left, float right, float bottom, float top) nogil
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.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 523
diff changeset
4 cdef Matrix *perspective(float fovy, float aspect, float zNear, float zFar) nogil
523
6e3b3d5d4691 Make matrix a struct.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 436
diff changeset
5 cdef Matrix *setup_camera(float dx, float dy, float dz)