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DriftBox.js
Package: eat.rar　[view]
Upload User: jisenq
Upload Date: 2014-06-29
Package Size: 7216k
Code Size: 2k
Category:

ADO-ODBC

Development Platform:

ASP/ASPX

DriftBox.js：Code Content
  1. DriftBoxTF=navigator.javaEnabled()?true:false;
  2. var DriftBoxMin=2; var DriftBoxMax=5; var DriftBoxRe=2; var DriftBoxTime;
  4. function Chip(chipname,width,height)
  5. {
  6. this.named=chipname;
  7. this.vx=DriftBoxMin+DriftBoxMax*Math.random();
  8. this.vy=DriftBoxMin+DriftBoxMax*Math.random();
  9. this.w=width; this.h=height;
  10. this.xx=0;
  11. this.yy=0;
  12. this.DriftBoxTime=null;
  13. }
  15. function movechip(chipname) 
  16. {
  17. if(DriftBoxTF)
  18. {
  19. eval("chip="+chipname);
  20. if(DriftBoxStr)
  21. {
  22. pageX=window.pageXOffset;
  23. pageW=window.innerWidth;
  24. pageY=window.pageYOffset;
  25. pageH=window.innerHeight;
  26. }
  27. else
  28. {
  29. pageX=window.document.body.scrollLeft;
  30. pageW=window.document.body.offsetWidth-8;
  31. pageY=window.document.body.scrollTop;
  32. pageH=window.document.body.offsetHeight;
  33. }
  34. chip.xx=chip.xx+chip.vx;chip.yy=chip.yy+chip.vy;
  35. chip.vx+=DriftBoxRe*(Math.random()-0.5);
  36. chip.vy+=DriftBoxRe*(Math.random()-0.5);
  37. if(chip.vx>(DriftBoxMax+DriftBoxMin)) chip.vx=(DriftBoxMax+DriftBoxMin)*2-chip.vx;
  38. if(chip.vx<(-DriftBoxMax-DriftBoxMin)) chip.vx=(-DriftBoxMax-DriftBoxMin)*2-chip.vx;
  39. if(chip.vy>(DriftBoxMax+DriftBoxMin)) chip.vy=(DriftBoxMax+DriftBoxMin)*2-chip.vy;
  40. if(chip.vy<(-DriftBoxMax-DriftBoxMin)) chip.vy=(-DriftBoxMax-DriftBoxMin)*2-chip.vy;
  41. if(chip.xx<=pageX)
  42. {
  43. chip.xx=pageX;chip.vx=DriftBoxMin+DriftBoxMax*Math.random();
  44.  }
  45. if(chip.xx>=pageX+pageW-chip.w)
  46. {
  47. chip.xx=pageX+pageW-chip.w;
  48. chip.vx=-DriftBoxMin-DriftBoxMax*Math.random();
  49.  }
  50. if(chip.yy<=pageY){
  51. chip.yy=pageY;
  52. chip.vy=DriftBoxMin+DriftBoxMax*Math.random();
  53. }
  54. if(chip.yy>=pageY+pageH-chip.h){
  55. chip.yy=pageY+pageH-chip.h;
  56. chip.vy=-DriftBoxMin-DriftBoxMax*Math.random();
  57. }
  58. if(DriftBoxStr)
  59. {
  60. eval('document.'+chip.named+'.top ='+chip.yy);
  61. eval('document.'+chip.named+'.left='+chip.xx);
  62.  }
  63. else
  64. {
  65. eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);
  66. eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy);
  67.  }
  68. chip.DriftBoxTime=setTimeout("movechip('"+chip.named+"')",100);
  69. }
  70. }
  72. function DriftBoxSM(chipname)
  73. { 
  74. if(DriftBoxTF)
  75. {
  76. eval("chip="+chipname);
  77. if(chip.DriftBoxTime!=null)
  78. {
  79. clearTimeout(chip.DriftBoxTime)
  80. }
  81. }
  82. }
  84. var DriftBox;
  86. function DriftBox() 
  87. {
  88. DriftBox=new Chip("DriftBox",60,80);
  89. if(DriftBoxTF)
  90. {
  91. movechip("DriftBox");
  92.  }
  93. }
  95. window.onload=DriftBox;