kc3-lang/kc3/libc3/window/sdl2/dmat3.h

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• Hash : f0401f0c
  Author : Thomas de Grivel
  Date : 2024-03-04T14:19:12
  

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• libc3/window/sdl2/dmat3.h

• /* c3
   * Copyright 2022-2024 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 DMAT3_H
  #define DMAT3_H
  
  #include "types.h"
  
  /* Stack-allocation compatible functions. */
  s_dmat3 * dmat3_init_copy (s_dmat3 *m, const s_dmat3 *src);
  s_dmat3 * dmat3_init_identity (s_dmat3 *m);
  s_dmat3 * dmat3_init_matrix_mult (s_dmat3 *m, const s_dmat3 *a,
                                    const s_dmat3 *b);
  
  /* Heap-allocation functions, call dmat3_delete after use. */
  void      dmat3_delete (s_dmat3 *m);
  s_dmat3 * dmat3_new_copy (const s_dmat3 *src);
  s_dmat3 * dmat3_new_identity (void);
  s_dmat3 * dmat3_new_matrix_mult (const s_dmat3 *a, const s_dmat3 *b);
  
  /* Operators. */
  s_dmat3 * dmat3_rotate (s_dmat3 *m, f64 rad);
  s_dmat3 * dmat3_scale (s_dmat3 *m, f64 x, f64 y);
  s_dmat3 * dmat3_translate (s_dmat3 *m, f64 x, f64 y);
  
  #endif /* DMAT3_H */
  

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