cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

SDL_d3dmath.h (1951B)

      1/*
      2  Simple DirectMedia Layer
      3  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
      4
      5  This software is provided 'as-is', without any express or implied
      6  warranty.  In no event will the authors be held liable for any damages
      7  arising from the use of this software.
      8
      9  Permission is granted to anyone to use this software for any purpose,
     10  including commercial applications, and to alter it and redistribute it
     11  freely, subject to the following restrictions:
     12
     13  1. The origin of this software must not be misrepresented; you must not
     14     claim that you wrote the original software. If you use this software
     15     in a product, an acknowledgment in the product documentation would be
     16     appreciated but is not required.
     17  2. Altered source versions must be plainly marked as such, and must not be
     18     misrepresented as being the original software.
     19  3. This notice may not be removed or altered from any source distribution.
     20*/
     21#include "../SDL_internal.h"
     22
     23#if (SDL_VIDEO_RENDER_D3D || SDL_VIDEO_RENDER_D3D11) && !SDL_RENDER_DISABLED
     24
     25/* Direct3D matrix math functions */
     26
     27typedef struct
     28{
     29    float x;
     30    float y;
     31} Float2;
     32
     33typedef struct
     34{
     35    float x;
     36    float y;
     37    float z;
     38} Float3;
     39
     40typedef struct
     41{
     42    float x;
     43    float y;
     44    float z;
     45    float w;
     46} Float4;
     47
     48typedef struct
     49{
     50    union {
     51        struct {
     52            float _11, _12, _13, _14;
     53            float _21, _22, _23, _24;
     54            float _31, _32, _33, _34;
     55            float _41, _42, _43, _44;
     56        };
     57        float m[4][4];
     58    };
     59} Float4X4;
     60
     61
     62Float4X4 MatrixIdentity();
     63Float4X4 MatrixMultiply(Float4X4 M1, Float4X4 M2);
     64Float4X4 MatrixScaling(float x, float y, float z);
     65Float4X4 MatrixTranslation(float x, float y, float z);
     66Float4X4 MatrixRotationX(float r);
     67Float4X4 MatrixRotationY(float r);
     68Float4X4 MatrixRotationZ(float r);
     69
     70#endif /* (SDL_VIDEO_RENDER_D3D || SDL_VIDEO_RENDER_D3D11) && !SDL_RENDER_DISABLED */
     71
     72/* vi: set ts=4 sw=4 expandtab: */