个回答

• 无心妖

  2020-04-07 18:12:40

  //分值计算

  var dataObj = function () 

  {

  this.fruitNum = 0;

  this.double = 1;

  this.score = 0;

  this.gameOver = false;

  this.alpha = 0;

  }

  dataObj.prototype.draw = function()

  {

  var w = can1.width;

  var h = can1.height;

  
  

  ctx1.save();

  ctx1.shadoBlur = 10;

  ctx1.shadowColor = "white";

  ctx1.fillStyle = "white";

  ctx1.fillText("分数 " + this.score, w * 0.5, h - 20);

  
  

  if(this.gameOver)

  {

  this.alpha  += deltaTime * 0.0005;

  if(this.alpha > 1)

  this.alpha = 1;

  
  

  
  

  ctx1.fillStyle = "rgba(255,255,255," + this.alpha +")";

  ctx1.fillText("游戏结束", w * 0.5, h * 0.5);

  }

  ctx1.restore();

  
  

  }

  dataObj.prototype.addScore = function()

  {

  this.score += this.fruitNum * 10 * this.double;

  this.fruitNum = 0;

  this.double = 1;

  }

  
  

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