kc3-lang/kc3/libc3/window/sdl2/gl_matrix_3d.h

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• Hash : 3a207807
  Author : Thomas de Grivel
  Date : 2023-12-20T22:14:33
  

  wip OpenGL 4.6

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• libc3/window/sdl2/gl_matrix_3d.h

• /* c3
   * Copyright 2022,2023 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #ifndef GL_MATRIX_3D_H
  #define GL_MATRIX_3D_H
  
  #include "types.h"
  
  /* Stack-allocation compatible functions. */
  s_gl_matrix_3d * gl_matrix_3d_init_copy (s_gl_matrix_3d *m,
                                           const s_gl_matrix_3d *src);
  s_gl_matrix_3d * gl_matrix_3d_init_identity (s_gl_matrix_3d *m);
  s_gl_matrix_3d * gl_matrix_3d_init_matrix_mult
                    (s_gl_matrix_3d *m, const s_gl_matrix_3d *a,
                     const s_gl_matrix_3d *b);
  
  /* Heap-allocation functions, call gl_matrix_3d_delete after use. */
  void             gl_matrix_3d_delete (s_gl_matrix_3d *m);
  s_gl_matrix_3d * gl_matrix_3d_new_copy (const s_gl_matrix_3d *src);
  s_gl_matrix_3d * gl_matrix_3d_new_identity (void);
  s_gl_matrix_3d * gl_matrix_3d_new_matrix_mult (const s_gl_matrix_3d *a,
                                                 const s_gl_matrix_3d *b);
  
  /* Operators. */
  s_gl_matrix_3d * gl_matrix_3d_rotate (s_gl_matrix_3d *m, f64 rad);
  s_gl_matrix_3d * gl_matrix_3d_scale (s_gl_matrix_3d *m, f64 x, f64 y);
  s_gl_matrix_3d * gl_matrix_3d_translate (s_gl_matrix_3d *m, f64 x,
                                           f64 y);
  
  #endif /* GL_MATRIX_3D_H */
  

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