feat: Add zkapp panStart panUpdate panEnd events.

Add zkapp panStart panUpdate panEnd events.

Author: drawcall

Diff for: CHANGELOG.md

@@ -1,3 +1,14 @@
+# 2.7.1
+- Add zkapp panStart panUpdate panEnd events.
+
+# 2.6.1
+- Fix the time difference caused by switching between front and back of the app
+
+# 2.5.2
+- Add auxiliary methods such as getTimeRatio and toSecond
+- Further optimize performance.
+
+
 # 2.3.6
 - Unused import: 'dart:ui'.;
 - Using a colon as a separator before a default value is deprecated and will not be supported in language version 3.0 and later.

Diff for: lib/src/animate/animator.dart

@@ -14,7 +14,7 @@ class Animator {
   Function? onComplete;
   String status = "stop";
 
-  ListMap _aniList = new ListMap();
+  ListMap _aniList = ListMap();
   Animation? _currentAni;
   int _framesLength = -1;
 
@@ -68,7 +68,7 @@ class Animator {
   ////////////////////////////////////////////////////////////
   void make(String name,
       [List? frames, int rate = Constant.RATE, bool loop = false]) {
-    Animation ani = new Animation(name, frames, rate, loop);
+    Animation ani = Animation(name, frames, rate, loop);
     ani.framesLength = framesLength;
     ani.onComplete = onComplete;
 

Diff for: lib/src/app.dart

@@ -6,6 +6,7 @@ import './event/event.dart';
 import './node/stage.dart';
 import "./utils/util.dart";
 import "./math/point.dart";
+import "./math/mathutil.dart";
 
 class ZKApp {
   String type = "ZKApp";
@@ -18,8 +19,11 @@ class ZKApp {
   double delay = 1000 / 60;
   int _fps = 60;
 
+  static bool enableFixLongInterval = false;
+  static double longIntervalTime = 0.5;
+
   ZKApp() {
-    this.stage.context = new ZKContext();
+    this.stage.context = ZKContext();
   }
 
   ZKContext? get context {
@@ -72,6 +76,14 @@ class ZKApp {
     return this.context!.getRandomPosition();
   }
 
+  double toSecond(int milliseconds) {
+    return MathUtil.toSecond(milliseconds);
+  }
+
+  double getTimeRatio(int milliseconds) {
+    return MathUtil.getTimeRatio(milliseconds);
+  }
+
   static void fullScreen() {
     return Util.fullScreen();
   }
@@ -112,6 +124,12 @@ class ZKApp {
     this.stage.tapUp(event);
   }
 
+  panStart(ZKEvent event) {}
+
+  panUpdate(ZKEvent event) {}
+
+  panEnd(ZKEvent event) {}
+
   dispose() {
     if (debug == true) print('Zerker:: Dispose $this');
 

Diff for: lib/src/core/constant.dart

@@ -14,4 +14,6 @@ class Constant {
   static const String ALL_FRAMES = "__ZK_ALL_FRAMES__";
 
   static double ratio = 1;
+
+  static double afps = 0.01666;
 }

Diff for: lib/src/math/mathutil.dart

@@ -1,5 +1,6 @@
 import "dart:math";
 import 'package:flutter/widgets.dart';
+import '../core/constant.dart';
 
 class MathUtil {
   static const double PI = 3.14159267;
@@ -28,6 +29,15 @@ class MathUtil {
     return Random().nextDouble() * (b - a) + a;
   }
 
+  static double toSecond(int milliseconds) {
+    return milliseconds / Duration.millisecondsPerSecond;
+  }
+
+  static double getTimeRatio(int milliseconds) {
+    double second = toSecond(milliseconds);
+    return second / Constant.afps;
+  }
+
   static Color getRandomColor() {
     return Color((Random().nextDouble() * 0xFFFFFF).toInt() << 0)
         .withOpacity(1.0);

Diff for: lib/src/math/point.dart

@@ -11,7 +11,7 @@ class Point {
   }
 
   Point clone() {
-    return new Point(this.x, this.y);
+    return Point(this.x, this.y);
   }
 
   void copy(dynamic p) {

Diff for: lib/src/node/graphic.dart

@@ -7,7 +7,7 @@ import "../utils/listmap.dart";
 
 class ZKGraphic extends ZKNode {
   Paint? _currentPaint;
-  ListMap _drawList = new ListMap();
+  ListMap _drawList = ListMap();
   double _alpha = 1;
 
   @override
@@ -17,7 +17,7 @@ class ZKGraphic extends ZKNode {
   String type = "ZKGraphic";
 
   ZKGraphic() : super() {
-    //this._drawList = new ListMap();
+    //this._drawList = ListMap();
     this.anchor.set(0.0, 0.0);
   }
 
@@ -79,7 +79,7 @@ class ZKGraphic extends ZKNode {
 
   void drawTriangle(
       double x1, double y1, double x2, double y2, double x3, double y3) {
-    Path path = new Path();
+    Path path = Path();
     path.moveTo(x1, y1);
     path.lineTo(x2, y2);
     path.lineTo(x3, y3);

Diff for: lib/src/node/image.dart

@@ -67,7 +67,7 @@ class ZKImage extends ZKNode {
   }
 
   void lazyLoad(String url, [int delay = 0]) {
-    _timer = new Timer(Duration(milliseconds: delay), () {
+    _timer = Timer(Duration(milliseconds: delay), () {
       this.load(url);
       _timer?.cancel();
     });

Diff for: lib/src/node/node.dart

@@ -13,10 +13,10 @@ class ZKNode {
   String id = "";
   String type = "ZKNode";
 
-  Point position = new Point(0.0, 0.0);
-  Point anchor = new Point(0.5, 0.5);
-  Point scale = new Point(1.0, 1.0);
-  Point skew = new Point(0.0, 0.0);
+  Point position = Point(0.0, 0.0);
+  Point anchor = Point(0.5, 0.5);
+  Point scale = Point(1.0, 1.0);
+  Point skew = Point(0.0, 0.0);
 
   double oriWidth = 0;
   double oriHeight = 0;
@@ -28,24 +28,24 @@ class ZKNode {
   ZKNode? parent;
   Canvas? canvas;
   Data data = Data();
-  Paint paint = new Paint();
+  Paint paint = Paint();
 
   ZKContext? context;
   dynamic expansion;
   double worldAlpha = 1;
 
-  Matrix matrix = new Matrix();
+  Matrix matrix = Matrix();
   double _alpha = 1;
   bool _debug = false;
   Color? _color;
 
   ZKNode() {
     this.id = Util.uuid();
-    // this.position = new Point(0.0, 0.0);
-    // this.anchor = new Point(0.5, 0.5);
-    // this.scale = new Point(1.0, 1.0);
-    // this.skew = new Point(0.0, 0.0);
-    // this.matrix = new Matrix();
+    // this.position = Point(0.0, 0.0);
+    // this.anchor = Point(0.5, 0.5);
+    // this.scale = Point(1.0, 1.0);
+    // this.skew = Point(0.0, 0.0);
+    // this.matrix = Matrix();
 
     this.init();
   }
@@ -55,7 +55,7 @@ class ZKNode {
   }
 
   void createPaint() {
-    //this.paint = new Paint();
+    //this.paint = Paint();
     this.paint.color = Colors.blue;
     this.paint.style = PaintingStyle.fill;
   }
@@ -141,6 +141,10 @@ class ZKNode {
     return Offset(regX, regY);
   }
 
+  double getTimeRatio(int milliseconds) {
+    return MathUtil.getTimeRatio(milliseconds);
+  }
+
   ////////////////////////////////////////////////////////////
   ///
   /// Update, render and other related functions

Diff for: lib/src/node/sprite.dart

@@ -12,7 +12,7 @@ class ZKSprite extends ZKImage {
   String type = "ZKSprite";
 
   /// Animator
-  Animator animator = new Animator();
+  Animator animator = Animator();
   Timer? _timer;
 
   ZKSprite(
@@ -23,14 +23,14 @@ class ZKSprite extends ZKImage {
       double width = 100,
       double height = 100})
       : super() {
-    //this.animator = new Animator();
+    //this.animator = Animator();
     if (key != null) {
       this.texture = ZKAssets.getAsset(key);
       this.textureType = ZKAssets.getType(texture)!;
       if (this.texture == null)
         throw ("Zerker:: Sorry, this Key '$key' does not get any assets!");
 
-      _timer = new Timer(Duration(milliseconds: 0), () {
+      _timer = Timer(Duration(milliseconds: 0), () {
         this._loadComplete(this.texture!);
         _timer?.cancel();
       });

Diff for: lib/src/node/text.dart

@@ -6,7 +6,7 @@ class ZKText extends ZKNode {
   TextStyle? _style;
   TextSpan? _span;
   bool _layouted = false;
-  Offset _offset = new Offset(0, 0);
+  Offset _offset = Offset(0, 0);
 
   @override
   String type = "ZKText";
@@ -33,12 +33,12 @@ class ZKText extends ZKNode {
   }
 
   TextSpan? createTextSpan([String t = ""]) {
-    _span = new TextSpan(text: t, style: _style);
+    _span = TextSpan(text: t, style: _style);
     return _span;
   }
 
   TextPainter? createTextPainter() {
-    _painter = new TextPainter(
+    _painter = TextPainter(
         text: _span,
         textAlign: TextAlign.center,
         textDirection: TextDirection.ltr);

Diff for: lib/src/texture/atlas.dart

@@ -82,7 +82,7 @@ class Atlas extends BaseTexture {
       var px = Util.getByPath(obj, "pivot.x");
       var py = Util.getByPath(obj, "pivot.y");
 
-      Frame frame = new Frame(this.type);
+      Frame frame = Frame(this.type);
       frame.image = image!;
       frame.name = Util.getByPath(obj, "filename");
       frame.rotated = Util.getByPath(obj, "rotated");

Diff for: lib/src/texture/imgtexture.dart

@@ -26,7 +26,7 @@ class ImgTexture extends BaseTexture {
     var w = image?.width.toDouble();
     var h = image?.height.toDouble();
 
-    Frame frame = new Frame(this.type);
+    Frame frame = Frame(this.type);
     frame.image = image!;
     frame.setSrcRect(0, 0, w, h);
     frame.setDstRect(0, 0, w, h);

Diff for: lib/src/texture/spritesheet.dart

@@ -42,7 +42,7 @@ class SpriteSheet extends BaseTexture {
 
     for (int i = 0; i < this.col; i++) {
       for (int j = 0; j < this.row; j++) {
-        Frame frame = new Frame(this.type);
+        Frame frame = Frame(this.type);
         frame.image = image!;
         frame.setSrcRect(j * w, i * h, w, h);
         frame.setDstRect(0, 0, w, h);

Diff for: lib/src/tween/miticker.dart

@@ -5,7 +5,7 @@ Ticker? _ticker;
 class Miticker {
   static Ticker? init(Function func) {
     if (_ticker == null) {
-      _ticker = new Ticker((Duration duration) {
+      _ticker = Ticker((Duration duration) {
         func(duration);
       });
     }

Diff for: lib/src/utils/imgloader.dart

@@ -53,7 +53,7 @@ class ImgLoader {
       if (onError != null) onError("timeout");
     });
 
-    listener = new ImageStreamListener(onLoadHandler, onError: onErrorHandler);
+    listener = ImageStreamListener(onLoadHandler, onError: onErrorHandler);
     stream.addListener(listener);
 
     return await completer.future;

Diff for: lib/src/utils/listmap.dart

@@ -7,10 +7,10 @@ import 'dart:collection';
 ///
 ////////////////////////////////////////////////////////////
 class ListMap {
-  LinkedHashMap<String, dynamic> _map = new LinkedHashMap();
+  LinkedHashMap<String, dynamic> _map = LinkedHashMap();
 
   ListMap() {
-    //this._map = new LinkedHashMap();
+    //this._map = LinkedHashMap();
   }
 
   void add(String id, dynamic item) {

Diff for: lib/src/utils/util.dart

@@ -7,7 +7,7 @@ class Util {
   ///
   ////////////////////////////////////////////////////////////
   static bool isNetUrl(String url) {
-    RegExp reg = new RegExp(r"(https?|ftp):\/\/([\w.]+\/?)\S*");
+    RegExp reg = RegExp(r"(https?|ftp):\/\/([\w.]+\/?)\S*");
     return reg.hasMatch(url);
   }
 
@@ -57,8 +57,8 @@ class Util {
   static List convertConsecutiveList(List arr, [String? prefix]) {
     if (arr.length == 1 && arr[0] is String) {
       String str = arr[0];
-      RegExp exp1 = new RegExp(r"^([0-9]*)\-([0-9]*)$");
-      RegExp exp2 = new RegExp(r"{([0-9]*)\-([0-9]*)}");
+      RegExp exp1 = RegExp(r"^([0-9]*)\-([0-9]*)$");
+      RegExp exp2 = RegExp(r"{([0-9]*)\-([0-9]*)}");
 
       if (exp1.hasMatch(str) || exp2.hasMatch(str)) {
         List result = [];

Diff for: lib/src/utils/uuid.dart

@@ -4,7 +4,7 @@
 import 'dart:math' show Random;
 
 class Uuid {
-  final Random _random = new Random();
+  final Random _random = Random();
 
   String v4() {
     int special = 8 + _random.nextInt(4);