Jo Engine  2023.08.26
Jo Sega Saturn Engine
hitbox.h
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1 /*
2 ** Jo Sega Saturn Engine
3 ** Copyright (c) 2012-2020, Johannes Fetz (johannesfetz@gmail.com)
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15 ** derived from this software without specific prior written permission.
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34 #ifndef __JO_HITBOX_H__
35 # define __JO_HITBOX_H__
36 
46 static __jo_force_inline bool jo_hitbox_detection(const int sprite_id1, const int x1, const int y1, const int sprite_id2, const int x2, const int y2)
47 {
48  return jo_square_intersect(x1 - JO_DIV_BY_2(__jo_sprite_def[sprite_id1].width),
49  y1 - JO_DIV_BY_2(__jo_sprite_def[sprite_id1].height),
50  __jo_sprite_def[sprite_id1].width,
51  __jo_sprite_def[sprite_id1].height,
52  x2 - JO_DIV_BY_2(__jo_sprite_def[sprite_id2].width),
53  y2 - JO_DIV_BY_2(__jo_sprite_def[sprite_id2].height),
54  __jo_sprite_def[sprite_id2].width,
55  __jo_sprite_def[sprite_id2].height);
56 
57 }
58 
69 static __jo_force_inline bool jo_hitbox_detection_custom_boundaries(const int sprite_id1, const int x1, const int y1, const int x2, const int y2, const int w2, const int h2)
70 {
71  return jo_square_intersect(x1 - JO_DIV_BY_2(__jo_sprite_def[sprite_id1].width),
72  y1 - JO_DIV_BY_2(__jo_sprite_def[sprite_id1].height),
73  __jo_sprite_def[sprite_id1].width,
74  __jo_sprite_def[sprite_id1].height,
75  x2 - JO_DIV_BY_2(w2),
76  y2 - JO_DIV_BY_2(h2),
77  w2,
78  h2);
79 
80 }
81 
82 #endif /* !__JO_HITBOX_H__ */
83 
84 /*
85 ** END OF FILE
86 */
jo_hitbox_detection_custom_boundaries
static __jo_force_inline bool jo_hitbox_detection_custom_boundaries(const int sprite_id1, const int x1, const int y1, const int x2, const int y2, const int w2, const int h2)
Fast method to get if the sprite intersects with the box (HitBox processing)
Definition: hitbox.h:69
JO_DIV_BY_2
#define JO_DIV_BY_2(X)
Devide a variable by 2.
Definition: math.h:144
jo_hitbox_detection
static __jo_force_inline bool jo_hitbox_detection(const int sprite_id1, const int x1, const int y1, const int sprite_id2, const int x2, const int y2)
Fast method to get if two sprites intersects (HitBox processing)
Definition: hitbox.h:46
jo_square_intersect
static __jo_force_inline bool jo_square_intersect(const int x1, const int y1, const int w1, const int h1, const int x2, const int y2, const int w2, const int h2)
Fast method to get if two square intersects (HitBox processing)
Definition: math.h:1739
__jo_force_inline
#define __jo_force_inline
force inline attribute (and prevent Doxygen prototype parsing bug)
Definition: types.h:39
__jo_sprite_def
jo_texture_definition __jo_sprite_def[JO_MAX_SPRITE]
(internal engine usage)
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