diff options
Diffstat (limited to 'src/engine/maths.h')
-rw-r--r-- | src/engine/maths.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/engine/maths.h b/src/engine/maths.h index c7f1b44..bef287e 100644 --- a/src/engine/maths.h +++ b/src/engine/maths.h @@ -3,12 +3,17 @@ // #include <math.h> typedef struct { - uint32_t x,y; + int32_t x,y; } vec2; typedef vec2 vec_cen;//centered typedef vec2 vec_cor;//left upper corner +vec2 vec_add(vec2 a, vec2 b); + +vec_cor vec_cen2cor(vec_cen in, vec2 halfDistance); +vec_cor vec_cor2cen(vec_cen in, vec2 halfDistance); + //fixed point at decimal 7lsb (world positions in pixels (with fixed decimal point)) #define HH_MATH_FIXED_POINT 7 |