图片默认旋转速度

Example/Example/Assets.xcassets/ProHUDLoading.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "矩形@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "矩形@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example/Example/TestAlertVC.swift

@@ -138,7 +138,7 @@ class TestAlertVC: BaseListVC {
                             vm.scene = .loading
                             vm.title = "正在加载"
                         }
-                        a.rotate(direction: .counterclockwise)
+                        a.rotate()
                     }
                 }
             }

Source/HUDView.swift

@@ -156,7 +156,7 @@ internal extension UIView {
                 let ani = CABasicAnimation(keyPath: "transform.rotation.z")
                 ani.toValue = direction.rawValue * Double.pi * 2.0
                 if speed > 0 {
-                    ani.duration = 4 / speed
+                    ani.duration = 2 / speed
                 }
                 ani.repeatDuration = .infinity
                 layer.add(ani, forKey: "rotationAnimation")