kc3-lang/kc3/window/sdl2/dvec3.h

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• Hash : 752330a5
  Author : Thomas de Grivel
  Date : 2024-08-08T17:20:11
  

  Fix build on MacOS (M2)

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• window/sdl2/dvec3.h

• /* kc3
   * Copyright 2022,2023,2024 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 DVEC3_H
  #define DVEC3_H
  
  #include "types.h"
  
  /* Stack-allocation compatible functions. */
  s_dvec3 * dvec3_init (s_dvec3 *p, f64 x, f64 y, f64 z);
  s_dvec3 * dvec3_init_copy (s_dvec3 *p, const s_dvec3 *src);
  s_dvec3 * dvec3_init_normalize (s_dvec3 *p, const s_dvec3 *src);
  s_dvec3 * dvec3_init_product (s_dvec3 *p, const s_dmat4 *m,
                                const s_dvec3 *s);
  s_dvec3 * dvec3_init_zero (s_dvec3 *p);
  
  /* Heap-allocation functions, call dvec3_delete after use. */
  void      dvec3_delete (s_dvec3 *p);
  s_dvec3 * dvec3_new (f64 x, f64 y, f64 z);
  s_dvec3 * dvec3_new_copy (const s_dvec3 *src);
  s_dvec3 * dvec3_new_product (const s_dmat4 *m,
                               const s_dvec3 *s);
  s_dvec3 * dvec3_new_zero (void);
  
  /* Operators. */
  void dvec3_normalize (s_dvec3 *p);
  void dvec3_transform (s_dvec3 *p, const s_dmat4 *matrix);
  
  /* Observers. */
  f64 dvec3_norm (const s_dvec3 *p);
  
  #endif /* DVEC3_H */
  

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