(function(){
var ns = Q.use("fish");
var FishGroup = ns.FishGroup = { pattens:[] };
FishGroup.setRandomPatten = function(fishes, startX, startY)
{
var pattens = this.pattens, len = pattens.length;
var patten = pattens[Math.random()*len >> 0];
patten(fishes, startX, startY);
};
var HLinePatten = function(fishes, startX, startY)
{
var len = fishes.length, prev = {x:startX, y:startY, width:0, height:0}, dir = startX > 0 ? 1 : -1;
for(var i = 0; i < len; i++)
{
var fish = fishes[i];
var dx = Math.random()*fish.width + 20 >> 0;
var dy = Math.random()*fish.height + 20 >> 0;
if(Math.random() > 0.5) dy *= -1;
fish.x = prev.x + dx * dir;
fish.y = prev.y + dy;
prev = fish;
}
};
FishGroup.pattens.push(HLinePatten);
})();
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还能输入300字
上传中....
爱好难啊