1 files changed, 9 insertions, 0 deletions
diff --git a/animation.c b/animation.c
new file mode 100644
index 0000000..388e29d
--- /dev/null
+++ b/animation.c
@@ -0,0 +1,9 @@
+#include "animation.h"
+#include "rect.h"
+
+void update_anim(const Animation* a, int* f, Rect* r) {
+	f[0]++;
+	if (f[0] >= a->fc * a->s)
+		f[0] = 0;
+	*r = ((const Rect*)&a[1])[f[0] / a->s];
+}