vector.h 1.9 KB

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  1. /*
  2. * 3D Engine
  3. * vector.h:
  4. * Based on pikuma.com 3D software renderer in C
  5. * Copyright (c) 2021 986-Studio. All rights reserved.
  6. *
  7. * Created by Manoël Trapier on 02/03/2021.
  8. */
  9. #ifndef THREEDENGINE_SOURCE_INCLUDE_VECTOR_H
  10. #define THREEDENGINE_SOURCE_INCLUDE_VECTOR_H
  11. /***********************************************************************************************************************
  12. * Data types
  13. **********************************************************************************************************************/
  14. typedef struct vec2_t
  15. {
  16. double x, y;
  17. } vec2_t;
  18. typedef struct vec3_t
  19. {
  20. double x, y, z;
  21. } vec3_t;
  22. typedef struct vec4_t
  23. {
  24. double x, y, z, w;
  25. } vec4_t;
  26. /***********************************************************************************************************************
  27. * Prototypes
  28. **********************************************************************************************************************/
  29. /* ---------------------------------------------- 2D Vectors operations --------------------------------------------- */
  30. double vec2Getlength(vec2_t v);
  31. vec2_t vec2AddVectors(vec2_t a, vec2_t b);
  32. vec2_t vec2SubVectors(vec2_t a, vec2_t b);
  33. vec2_t vec2ScalarMult(vec2_t a, double s);
  34. vec2_t vec2ScalarDiv(vec2_t a, double s);
  35. double vec2Dot(vec2_t a, vec2_t b);
  36. void vec2Normalize(vec2_t *a);
  37. /* ---------------------------------------------- 3D Vectors operations --------------------------------------------- */
  38. double vec3Getlength(vec3_t v);
  39. vec3_t vec3AddVectors(vec3_t a, vec3_t b);
  40. vec3_t vec3SubVectors(vec3_t a, vec3_t b);
  41. vec3_t vec3ScalarMult(vec3_t a, double s);
  42. vec3_t vec3ScalarDiv(vec3_t a, double s);
  43. vec3_t vec3Cross(vec3_t a, vec3_t b);
  44. double vec3Dot(vec3_t a, vec3_t b);
  45. void vec3Normalize(vec3_t *a);
  46. vec3_t vec3RotateX(vec3_t original, double angle);
  47. vec3_t vec3RotateY(vec3_t original, double angle);
  48. vec3_t vec3RotateZ(vec3_t original, double angle);
  49. #endif /* THREEDENGINE_SOURCE_VECTOR_H */