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Updated all the libs, added citro3d, added ctr.swkbd (WIP, untested)

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Firew0lf 2016-08-05 17:30:24 +02:00
parent 68a44645f7
commit 49c87e5526
97 changed files with 7341 additions and 944 deletions
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26
libs/citro3d/source/maths/mtx_persp.c Normal file
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#include <c3d/maths.h>
void Mtx_Persp(C3D_Mtx* mtx, float fovy, float aspect, float near, float far, bool isLeftHanded)
{
float fovy_tan = tanf(fovy/2.0f);
Mtx_Zeros(mtx);
// Standard perspective projection matrix, with a fixed depth range of [-1,0] (required by PICA)
// http://www.wolframalpha.com/input/?i={{1,0,0,0},{0,1,0,0},{0,0,0.5,-0.5},{0,0,0,1}}{{1/(a*tan(v)),0,0,0},{0,1/tan(v),0,0},{0,0,(n%2Bf)/(n-f),(fn)/(n-f)},{0,0,0,-1}}
mtx->r[0].x = 1.0f / (aspect * fovy_tan);
mtx->r[1].y = 1.0f / fovy_tan;
mtx->r[2].w = far*near / (near - far);
if (isLeftHanded)
{
mtx->r[2].z = 0.5f*(far + near) / (far - near) - 0.5f;
mtx->r[3].z = 1.0f;
}
else
{
mtx->r[2].z = 0.5f*(far + near) / (near - far) + 0.5f;
mtx->r[3].z = -1.0f;
}
}