refactor(core): CORE-17 type input events and own interaction lifetimes

packages/artplayer/src/input/gesture-direction.ts

@@ -0,0 +1,16 @@
+export function slideDirection(startX: number, startY: number, endX: number, endY: number): 0 | 1 | 2 | 3 | 4 {
+  const dy = startY - endY
+  const dx = endX - startX
+  if (Math.abs(dx) < 2 && Math.abs(dy) < 2)
+    return 0
+  const angle = Math.atan2(dy, dx) * 180 / Math.PI
+  if (angle >= -45 && angle < 45)
+    return 4
+  if (angle >= 45 && angle < 135)
+    return 1
+  if (angle >= -135 && angle < -45)
+    return 2
+  if ((angle >= 135 && angle <= 180) || (angle >= -180 && angle < -135))
+    return 3
+  return 0
+}