feat: 第一次上传代码

node_modules/lottie-web/player/js/utils/shapes/PuckerAndBloatModifier.js

@@ -0,0 +1,80 @@
+import {
+  extendPrototype,
+} from '../functionExtensions';
+import PropertyFactory from '../PropertyFactory';
+import shapePool from '../pooling/shape_pool';
+import {
+  ShapeModifier,
+} from './ShapeModifiers';
+
+function PuckerAndBloatModifier() {}
+extendPrototype([ShapeModifier], PuckerAndBloatModifier);
+PuckerAndBloatModifier.prototype.initModifierProperties = function (elem, data) {
+  this.getValue = this.processKeys;
+  this.amount = PropertyFactory.getProp(elem, data.a, 0, null, this);
+  this._isAnimated = !!this.amount.effectsSequence.length;
+};
+
+PuckerAndBloatModifier.prototype.processPath = function (path, amount) {
+  var percent = amount / 100;
+  var centerPoint = [0, 0];
+  var pathLength = path._length;
+  var i = 0;
+  for (i = 0; i < pathLength; i += 1) {
+    centerPoint[0] += path.v[i][0];
+    centerPoint[1] += path.v[i][1];
+  }
+  centerPoint[0] /= pathLength;
+  centerPoint[1] /= pathLength;
+  var clonedPath = shapePool.newElement();
+  clonedPath.c = path.c;
+  var vX;
+  var vY;
+  var oX;
+  var oY;
+  var iX;
+  var iY;
+  for (i = 0; i < pathLength; i += 1) {
+    vX = path.v[i][0] + (centerPoint[0] - path.v[i][0]) * percent;
+    vY = path.v[i][1] + (centerPoint[1] - path.v[i][1]) * percent;
+    oX = path.o[i][0] + (centerPoint[0] - path.o[i][0]) * -percent;
+    oY = path.o[i][1] + (centerPoint[1] - path.o[i][1]) * -percent;
+    iX = path.i[i][0] + (centerPoint[0] - path.i[i][0]) * -percent;
+    iY = path.i[i][1] + (centerPoint[1] - path.i[i][1]) * -percent;
+    clonedPath.setTripleAt(vX, vY, oX, oY, iX, iY, i);
+  }
+  return clonedPath;
+};
+
+PuckerAndBloatModifier.prototype.processShapes = function (_isFirstFrame) {
+  var shapePaths;
+  var i;
+  var len = this.shapes.length;
+  var j;
+  var jLen;
+  var amount = this.amount.v;
+
+  if (amount !== 0) {
+    var shapeData;
+    var localShapeCollection;
+    for (i = 0; i < len; i += 1) {
+      shapeData = this.shapes[i];
+      localShapeCollection = shapeData.localShapeCollection;
+      if (!(!shapeData.shape._mdf && !this._mdf && !_isFirstFrame)) {
+        localShapeCollection.releaseShapes();
+        shapeData.shape._mdf = true;
+        shapePaths = shapeData.shape.paths.shapes;
+        jLen = shapeData.shape.paths._length;
+        for (j = 0; j < jLen; j += 1) {
+          localShapeCollection.addShape(this.processPath(shapePaths[j], amount));
+        }
+      }
+      shapeData.shape.paths = shapeData.localShapeCollection;
+    }
+  }
+  if (!this.dynamicProperties.length) {
+    this._mdf = false;
+  }
+};
+
+export default PuckerAndBloatModifier;