function getDots(){

Dots = [];

for (var i = 0;i<size; i++) {

var x = random(0, width);

var y = random(0,height);

var color = "rgb("+random(0,255)+","+random(0,255)+","+random(0,255)+")";

Dots.push({

x:x,

y:y,

color:color

cap: 0? //------------>問題：為什么這個地方會出現錯誤：SyntaxError: Unexpected identifier

});

}

}