碰撞完以后，立即將設置果實狀態(tài)。

function?collisionWithFruits(){
????for(var?i=0;?i<fruit.num;?i++){
????????var?dis?=?Math.pow((fruit.x[i]?-?mom.x),?2)?+?Math.pow((fruit.y[i]?-?mom.y),?2)
????????if(dis?<?400){
????????????//?fruit?die
????????????if(fruit.state[i]?!=?"die")?{
????????????????fruit.eated(i);
????????????????
????????????}
????????}
????}
????
}

fruitObj.prototype.eated?=?function(?i?)?{
????//這里，果實死了，就不會反復碰撞了。
????this.state[i]?=?"die";
????this.aliveNum?--;
????
????data.score?+=?this.scorePerFruit;
????if(data.momDouble?>?0)?{
????????data.momDouble?--;
????????data.score?+=?this.scorePerFruit;
????}?else?{
????????mom.state?=?"nomal";
????}
????
????
????data.momLife?++;
????
????if(this.type[i]?==?"blue"){
????????data.momDouble?++;
????????mom.state?=?"double";
????}
????
????circle.spawn(this.x[i],?this.y[i],?"fruit");
????
}