[Flash动画制作ActionScript教程]Flash AS实现的蝌蚪摆尾动画的教程

分类:Flash动画制作    发布时间:2017年05月29日    点击:1142次

[Flash动画制作ActionScript教程]Flash AS实现的蝌蚪摆尾动画的教程:


[Flash动画制作ActionScript教程]Flash AS实现的蝌蚪摆尾动画的教程.png



  本例介绍使用Flash的AS编写蝌蚪摆尾动画效果,希望朋友们喜欢~~

  场景里代码

  复制代码代码如下:

  Object.environment = this;

  Math.prototype.degrees = function (r)

  {

  return (r * 180 / 3.141593E+000);

  };

  maxtents = 3;

  this.onEnterFrame = function ()

  {

  if (!random(30) && tents < maxtents)

  {

  var nombre = "tent" + String(depth++);

  var neo = this.attachMovie("tentacle", nombre, depth);

  neo._x = random(600);

  neo._y = 370;

  neo.theta = 270;

  ++tents;

  } // end if

  };

  stop ()

  #initclip 1

  复制代码代码如下:

  function TentacleClass()

  {

  this.numNodes = 27;

  this.head = 2 + random(4);

  this.girth = 8 + random(12);

  this.speedCoefficient = 9.000000E-002 + random(10) / 50;

  this.friction = 9.000000E-001 + random(10) / 100;

  this.muscleRange = 20 + random(50);

  this.muscleFreq = 1.000000E-001 + random(100) / 250;

  this.generateNodes();

  this.onEnterFrame = this.move;

  } // End of the function

  TentacleClass.prototype = new MovieClip();

  TentacleClass.prototype.generateNodes = function ()

  {

  this.node = new Array();

  var n = 0;

  while (n < this.numNodes)

  {

  var point = {x: 0, y: 0};

  this.node.push(point);

  ++n;

  } // end while

  };

  TentacleClass.prototype.move = function ()

  {

  this.tv = this.tv + 5.000000E-001 * (Math.random() - Math.random());

  this.theta = this.theta + this.tv;

  this.tv = this.tv * this.friction;

  this.node[0].x = this.head * Math.cos(1.745329E-002 * this.theta);

  this.node[0].y = this.head * Math.sin(1.745329E-002 * this.theta);

  this.count = this.count + this.muscleFreq;

  this.thetaMuscle = this.muscleRange * Math.sin(this.count);

  this.node[1].x = -this.head * Math.cos(1.745329E-002 * (this.theta + this.thetaMuscle));

  this.node[1].y = -this.head * Math.sin(1.745329E-002 * (this.theta + this.thetaMuscle));

  var i = 2;

  while (i < this.numNodes)

  {

  var dx = this.node.x - this.node[i - 2].x;

  var dy = this.node.y - this.node[i - 2].y;

  var d = Math.sqrt(dx * dx + dy * dy);

  this.node.x = this.node[i - 1].x + dx * this.girth / d;

  this.node.y = this.node[i - 1].y + dy * this.girth / d;

  if (i == 2)

  {

  this._x = this._x - dx * this.speedCoefficient;

  this._y = this._y - dy * this.speedCoefficient;

  if (this._x + this._width < 0    this._x - this._width > 600    this._y + this._height < 0    this._y - this._height > 400)

  {

  --Object.environment.tents;

  this.removeMovieClip();

  } // end if

  } // end if

  ++i;

  } // end while

  this.clear();

  this.moveTo(this.node[1].x, this.node[1].y);

  var i = 2;

  while (i < this.numNodes)

  {

  this.lineStyle(int(this.numNodes - i) * (this.numNodes - i) / 20, 16777215, 100);

  this.lineTo(this.node.x, this.node.y);

  ++i;

  } // end while

  };

  Object.registerClass("tentacle", TentacleClass);

  #endinitclip

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