1 files changed, 24 insertions, 0 deletions
diff --git a/src/include/ui/animation.h b/src/include/ui/animation.h
new file mode 100644
index 0000000..1a10c0f
--- /dev/null
+++ b/src/include/ui/animation.h
@@ -0,0 +1,24 @@
+/* 
+*  BSD 2-Clause “Simplified” License
+*  Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com
+*  All rights reserved.
+*/
+
+#ifndef INCLUDE_ANIMATION
+#define INCLUDE_ANIMATION
+
+typedef struct t_animation
+{
+	float time;
+	bool started;
+	float duration;
+	float percentage;
+} animation;
+
+#define AN_LI(_cx,_dx,_an) (_cx + (_dx-_cx)*_an.percentage)
+#define AN_LI_TINT(_color, _an) rgba((_color).r,(_color).g,(_color).b,255*_an.percentage)
+
+animation animation_create(s32 duration);
+float animation_update(animation* an);
+
+#endif
+\ No newline at end of file