kc3-lang/kc3/gl/vec3.h

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  Commit

• Hash : a6af069c
  Author : Thomas de Grivel
  Date : 2025-09-30T13:11:16
  

  moved GL files to their own directory to share between EGL and SDL2
  

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• gl/vec3.h

• /* kc3
   * Copyright from 2022 to 2025 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 VEC3_H
  #define VEC3_H
  
  #include "types.h"
  
  /* Stack-allocation compatible functions. */
  s_vec3 * vec3_init (s_vec3 *p, f32 x, f32 y, f32 z);
  s_vec3 * vec3_init_copy (s_vec3 *p, const s_vec3 *src);
  s_vec3 * vec3_init_normalize (s_vec3 *p, const s_vec3 *src);
  s_vec3 * vec3_init_zero (s_vec3 *p);
  
  /* Heap-allocation functions, call vec3_delete after use. */
  void     vec3_delete (s_vec3 *p);
  s_vec3 * vec3_new (f32 x, f32 y, f32 z);
  s_vec3 * vec3_new_copy (const s_vec3 *src);
  s_vec3 * vec3_new_zero (void);
  
  /* Operators. */
  void     vec3_normalize (s_vec3 *p);
  s_vec3 * vec3_interpolate (const s_vec3 *a, const s_vec3 *b, f32 t,
                             s_vec3 *dest);
  
  /* Observers. */
  f32 vec3_norm (const s_vec3 *p);
  
  #endif /* VEC3_H */
  

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