import upstream maccel baseline

2026-03-24 12:10:31 +00:00
parent 6e948d7b39
commit 5f1254d11a
108 changed files with 18930 additions and 0 deletions
@@ -0,0 +1,34 @@
+#ifndef __SPEED_H__
+#define __SPEED_H__
+
+#include "dbg.h"
+#include "fixedptc.h"
+#include "math.h"
+
+/**
+ * Track this to enable the UI to show the last noted
+ * input counts/ms (speed).
+ */
+static fpt LAST_INPUT_MOUSE_SPEED = 0;
+
+static inline fpt input_speed(fpt dx, fpt dy, fpt time_ms) {
+
+  fpt distance = magnitude((struct vector){dx, dy});
+
+  if (distance == -1) {
+    dbg("distance calculation failed: t = %s", fptoa(time_ms));
+    return 0;
+  }
+
+  dbg("distance (in)              %s", fptoa(distance));
+
+  fpt speed = fpt_div(distance, time_ms);
+  LAST_INPUT_MOUSE_SPEED = speed;
+
+  dbg("time interval              %s", fptoa(time_ms));
+  dbg("speed (in)                 %s", fptoa(speed));
+
+  return speed;
+}
+
+#endif // !__SPEED_H__