1 files changed, 35 insertions, 0 deletions
diff --git a/code/fe310/eos/eve/eve_track.h b/code/fe310/eos/eve/eve_track.h
new file mode 100644
index 0000000..07ddb44
--- /dev/null
+++ b/code/fe310/eos/eve/eve_track.h
@@ -0,0 +1,35 @@
+#include <stdint.h>
+
+#define EVE_TRACK_TYPE_INERT            1
+#define EVE_TRACK_TYPE_OSC              2
+#define EVE_TRACK_FRICTION              500
+
+typedef void (*eve_track_init_t) (EVETouchTimer *, EVETouch *);
+typedef int  (*eve_track_tick_t) (EVETouchTimer *, EVETouch *);
+typedef void (*eve_track_stop_t) (EVETouchTimer *, EVETouch *);
+
+typedef struct EVETracker {
+    eve_track_init_t init;
+    eve_track_tick_t tick;
+    eve_track_stop_t stop;
+} EVETracker;
+
+typedef struct EVETrackOsc {
+    int x;
+    int y;
+    double f;
+    double d;
+    double a;
+    uint32_t t_max;
+} EVETrackOsc;
+
+void eve_init_track(void);
+EVETracker *eve_track_get_tracker(void);
+void eve_track_set_handler(eve_track_init_t init, eve_track_tick_t tick, eve_track_stop_t stop, void *param);
+void eve_track_set(uint8_t type, void *param);
+void eve_track_stop(EVETouchTimer *timer, EVETouch *touch);
+
+void eve_track_inert_init(EVETouchTimer *timer, EVETouch *touch);
+int eve_track_inert_tick(EVETouchTimer *timer, EVETouch *touch);
+int eve_track_osc_tick(EVETouchTimer *timer, EVETouch *touch);
+void eve_track_osc_init(EVETrackOsc *p, int x, int y, uint32_t T, double d, uint32_t t_max);