lib/Animation.js

   1 var Animation = enchant.Class.create({
   2         initialize: function (sprite){
   3                 this.cnt = 0;
   4                 this.maxY = -4;
   5                 this.minY = 0;
   6                 this.y = 0;
   7                 this.speed = 0.5;
   8                 this.sprite = sprite;
   9                 this.status = EAnimStatus.UP;
  10         },
  11         animrun: function(){
  12                 if(this.cnt <= this.maxY){
  13                         this.status = EAnimStatus.DOWN;
  14                 }
  15                 else if(this.cnt >= this.minY){
  16                         this.status = EAnimStatus.UP;
  17
  18                 }
  19                 if(this.status == EAnimStatus.UP){
  20                         this.sprite.y -= this.speed;
  21                         this.cnt -= this.speed;
  22                 }
  23                 else if(this.status == EAnimStatus.DOWN){
  24                         this.sprite.y += this.speed;
  25                         this.cnt += this.speed;
  26                 }
  27         }
  28 });