www/corelib/classes/HorizonalScrollStageClass.js

   1
   2 var HorizonalScrollStageClass = function()
   3 {
   4         HorizonalScrollStageClass.base.apply(this, []);
   5
   6         this.scrollX = 0;
   7         this.scrollMaxX =1280 - 640;    //\83X\83e\81[\83W\82Ì\89¡\82Ì\92·\82³-640
   8
   9 }.extend(GameStage, {
  10         className: "HorizonalScrollStageClass",
  11         timerTick: function(){
  12
  13                 HorizonalScrollStageClass.base.prototype.timerTick.call(this);
  14                 if(this.userControlledCharacter){
  15                         //\83L\83\83\83\89\83N\83^\81[\82ð\92Ç\94ö\82·\82é
  16                         this.scrollTo(this.getScrollLocation());
  17                 }
  18                 //this.eachStageObject(function(f){
  19                 //      f.movingSpeedY -= 1;
  20                 //      return true;
  21                 //});
  22         },
  23
  24         // \8eq\83X\83e\81[\83W\82Å\81A\91\80\8dì\92\86\83L\83\83\83\89\88È\8aO\82ð\92\86\90S\82É\8e\9d\82Á\82Ä\82«\82½\82¢\82Æ\82«\82Í\82±\82Ì\8aÖ\90\94\82ð\83I\81[\83o\81[\83\89\83C\83h\82·\82é
  25         getScrollLocation: function(){
  26                 var pos = 0;
  27                 if(this.userControlledCharacter){
  28                         return this.userControlledCharacter.origin.x - 320;
  29                 }
  30
  31                 return 0;
  32         },
  33         draw: function(){
  34                 this.drawBackground();
  35                 this.drawAsPoint(this.scrollX, 0);
  36         },
  37         drawBackground: function(){
  38                 if(this.background){
  39                         //\89æ\96Ê\88Ê\92u\82É\8d\87\82í\82¹\82Ä\89æ\91\9c\82ð\83X\83N\83\8d\81[\83\8b\95\\8e¦\82·\82é
  40                         var width = this.background.width;
  41                         var pos = -((this.scrollX / 2) % width);
  42                         for(;pos < this.background.width; pos += width)
  43                         {
  44                                 this.mainContext.drawImage(this.background, pos, 0, this.background.width, this.background.height);
  45                         }
  46                 } else{
  47                         //\83L\83\83\83\93\83o\83X\82ð\91S\8fÁ\8b\8e
  48                         this.mainContext.clearRect(0, 0, this.mainCanvas.width, this.mainCanvas.height);
  49                 }
  50                 if(this.collisionMapContext){
  51                         this.collisionMapContext.clearRect(0, 0, this.collisionMapCanvas.width, this.collisionMapCanvas.height);
  52                 }
  53         },
  54
  55         //\83X\83N\83\8d\81[\83\8b\82µ\82½\82¢\82Æ\82«\82É\81Atick\96\88\82É\8cÄ\82Ô\81B
  56         scrollTo: function(x){
  57                 this.scrollX += (x - this.scrollX) / 7;
  58                 if(this.scrollX > this.scrollMaxX){
  59                         this.scrollX = this.scrollMaxX;
  60                 }
  61                 if(this.scrollX < 0){
  62                         this.scrollX = 0;
  63                 }
  64         }
  65 });
  66