1 files changed, 38 insertions, 4 deletions
diff --git a/src/animate.c b/src/animate.c
index 7b95e9c..33b4e8f 100644
--- a/src/animate.c
+++ b/src/animate.c
@@ -1,6 +1,9 @@
 #include <glib.h>
+#include <stdbool.h>
 
 #include "animate.h"
+#include "state.h"
+#include "log.h"
 
 double quadratic_bezier(double x, double a, double b, double c)
 {
@@ -25,15 +28,46 @@ double cubic_bezier(double x, double a, double b, double c, double d)
 	return a * (t * t * t) + 3 * b * (t * t * x) + 3 * c * (t * x * x) + d * (x * x * x);
 }
 
-Animation *animation_create()
+typedef struct {
+    Animation anim;
+    State *state;
+    gint64 start;
+    gint64 duration;
+    double x;
+} AnimationShine;
+
+static gboolean shine_handler(AnimationShine *anim)
+{
+    gint64 now = g_get_monotonic_time();
+    if (anim->start == 0)
+        anim->start = now;
+
+    gint64 end = anim->start + anim->duration;
+    if (now > end) {
+        anim->x = 1.0;
+        state_redraw(anim->state, false);
+        return G_SOURCE_REMOVE;
+    }
+
+    double t = (double)(now - anim->start) / (end - anim->start);
+    anim->x = cubic_bezier(t, 0.19, 1.0, 0.22, 1.0);
+    state_redraw(anim->state, false);
+    return G_SOURCE_CONTINUE;
+}
+
+Animation *animation_shine_create(State *state, gint64 duration)
 {
-    Animation *anim = g_malloc0(sizeof(Animation));
-    // TODO
-    return anim;
+    AnimationShine *anim = g_malloc0(sizeof(AnimationShine));
+    anim->anim.type = ANIM_SHINE;
+    anim->anim.handler = G_SOURCE_FUNC(shine_handler);
+    anim->state = state;
+    anim->duration = duration;
+    return (gpointer)anim;
 }
 
 void animation_destroy(Animation *anim)
 {
+    //XXX
     g_free(anim);
 }