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authorFlenk008 <frenk_0_0@hotmail.com>2023-03-13 17:38:37 +0100
committerFlenk008 <frenk_0_0@hotmail.com>2023-03-13 17:38:37 +0100
commit4f489426e05fb3b296998b17859d8702cc4f37e1 (patch)
tree934250c32567702d92e47ffd501e4aa07c89511d /src/engine/camera.c
parente47f7fa198229b8598b8ab03ef8b2483f7c685bc (diff)
parent5a747929ed2099755fb03c930ea68c77fda805b3 (diff)
Merge branch 'dev' of https://github.com/Flenk008/avans-arcade into dev
Diffstat (limited to 'src/engine/camera.c')
-rw-r--r--src/engine/camera.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/engine/camera.c b/src/engine/camera.c
new file mode 100644
index 0000000..e756bd4
--- /dev/null
+++ b/src/engine/camera.c
@@ -0,0 +1,34 @@
+#include "engine/camera.h"
+
+#include "ppu/consts.h"
+
+
+vec_cor hh_update_camera(vec_cen new, vec2 min, vec2 max){
+
+ //TODO: change floating point math to fix point math
+ //TODO: fix buggy y-axis ??
+
+ // new = vec_cen2cor(new,(vec2){.x=max.x/2,.y=max.y/2});
+ new = vec_cen2cor((vec2){.x=new.x+(HH_PPU_SPRITE_WIDTH/2),.y=(new.y+(HH_PPU_SPRITE_HEIGHT/2))*2},(vec2){.x=max.x/2,.y=max.y/2});
+ // new.x = new.x << HH_MATH_FIXED_POINT;
+ // new.y = new.y << HH_MATH_FIXED_POINT;
+ static vec_cor old;
+ // old.x = old.x << HH_MATH_FIXED_POINT;
+ // old.y = old.y << HH_MATH_FIXED_POINT;
+
+ // int16_t some = 0;
+ // some = some <<= HH_MATH_FIXED_POINT-1;
+
+ new.x = (int)((float)new.x*0.1f + (float)old.x*0.9f);
+ new.y = (int)((float)new.y*0.1f + (float)old.y*0.9f);
+
+ // old.x = old.x >> HH_MATH_FIXED_POINT;
+ // old.y = old.y >> HH_MATH_FIXED_POINT;
+
+
+ old.x = CLAMP(new.x,min.x,max.x);
+ old.y = CLAMP(new.y,min.y,max.y);
+
+ return old;
+}
+