ボットが画面上を移動する jQuery でコーディングされたゲームがあります。以下のコードは 20 ミリ秒ごとに実行されるループです。現在、ボットが 15 個を超えると、ブラウザーの遅延に気付き始めます (単純に、すべての高度な衝突検出が行われているためです)。
ラグを減らす方法はありますか?もっと効率的にすることはできますか?
コードのブロックを投稿しただけで申し訳ありませんが、私の主張を十分に明確にする方法がわかりません!
$.playground().registerCallback(function(){ //Movement Loop
if(!pause) {
for (var i in bots) {
//bots - color, dir, x, y, z, spawned?, spawnerid, prevd
var self = $('#b' + i);
var current = bots[i];
if(bots[i][5]==1) {
var xspeed = 0, yspeed = 0;
if(current[1]==0) { yspeed = -D_SPEED; }
else if(current[1]==1) { xspeed = D_SPEED; }
else if(current[1]==2) { yspeed = D_SPEED; }
else if(current[1]==3) { xspeed = -D_SPEED; }
var x = current[2] + xspeed;
var y = current[3] + yspeed;
var z = current[3] + 120;
if(current[2]>0&&x>PLAYGROUND_WIDTH||current[2]<0&&x<-GRID_SIZE||
current[3]>0&&y>PLAYGROUND_HEIGHT||current[3]<0&&y<-GRID_SIZE) {
remove_bot(i, self);
} else {
if(current[7]!=current[1]) {
self.setAnimation(colors[current[0]][current[1]]);
bots[i][7] = current[1];
}
if(self.css({"left": ""+(x)+"px", "top": ""+(y)+"px", "z-index": z})) {
bots[i][2] = x;
bots[i][3] = y;
bots[i][4] = z;
bots[i][8]++;
}
}
}
}
$("#debug").html(dump(arrows));
$(".bot").each(function(){
var b_id = $(this).attr("id").substr(1);
var collision = false;
var c_bot = bots[b_id];
var b_x = c_bot[2];
var b_y = c_bot[3];
var b_d = c_bot[1];
$(this).collision(".arrow,#arrows").each(function(){ //Many thanks to Selim Arsever for this fix!
var a_id = $(this).attr("id").substr(1);
var piece = arrows[a_id];
var a_v = piece[0];
if(a_v==1) {
var a_x = piece[2];
var a_y = piece[3];
var d_x = b_x-a_x;
var d_y = b_y-a_y;
if(d_x>=4&&d_x<=5&&d_y>=1&&d_y<=2) {
//bots - color, dir, x, y, z, spawned?, spawnerid, prevd
bots[b_id][7] = c_bot[1];
bots[b_id][1] = piece[1];
collision = true;
}
}
});
if(!collision) {
$(this).collision(".wall,#level").each(function(){
var w_id = $(this).attr("id").substr(1);
var piece = pieces[w_id];
var w_x = piece[1];
var w_y = piece[2];
d_x = b_x-w_x;
d_y = b_y-w_y;
if(b_d==0&&d_x>=4&&d_x<=5&&d_y>=27&&d_y<=28) { kill_bot(b_id); collision = true; } //4 // 33
if(b_d==1&&d_x>=-12&&d_x<=-11&&d_y>=21&&d_y<=22) { kill_bot(b_id); collision = true; } //-14 // 21
if(b_d==2&&d_x>=4&&d_x<=5&&d_y>=-9&&d_y<=-8) { kill_bot(b_id); collision = true; } //4 // -9
if(b_d==3&&d_x>=22&&d_x<=23&&d_y>=20&&d_y<=21) { kill_bot(b_id); collision = true; } //22 // 21
});
}
if(!collision&&c_bot[8]>GRID_MOVE) {
$(this).collision(".spawn,#level").each(function(){
var s_id = $(this).attr("id").substr(1);
var piece = pieces[s_id];
var s_x = piece[1];
var s_y = piece[2];
d_x = b_x-s_x;
d_y = b_y-s_y;
if(b_d==0&&d_x>=4&&d_x<=5&&d_y>=19&&d_y<=20) { kill_bot(b_id); collision = true; } //4 // 33
if(b_d==1&&d_x>=-14&&d_x<=-13&&d_y>=11&&d_y<=12) { kill_bot(b_id); collision = true; } //-14 // 21
if(b_d==2&&d_x>=4&&d_x<=5&&d_y>=-11&&d_y<=-10) { kill_bot(b_id); collision = true; } //4 // -9
if(b_d==3&&d_x>=22&&d_x<=23&&d_y>=11&&d_y<=12) { kill_bot(b_id); collision = true; } //22 // 21*/
});
}
if(!collision) {
$(this).collision(".exit,#level").each(function(){
var e_id = $(this).attr("id").substr(1);
var piece = pieces[e_id];
var e_x = piece[1];
var e_y = piece[2];
d_x = b_x-e_x;
d_y = b_y-e_y;
if(d_x>=4&&d_x<=5&&d_y>=1&&d_y<=2) {
current_bots++;
bots[b_id] = false;
$("#current_bots").html(current_bots);
$("#b" + b_id).setAnimation(exit[2], function(node){$(node).fadeOut(200)});
}
});
}
if(!collision) {
$(this).collision(".bot,#level").each(function(){
var bd_id = $(this).attr("id").substr(1);
if(bd_id!=b_id) {
var piece = bots[bd_id];
var bd_x = piece[2];
var bd_y = piece[3];
d_x = b_x-bd_x;
d_y = b_y-bd_y;
if(d_x>=0&&d_x<=2&&d_y>=0&&d_y<=2) { kill_bot(b_id); kill_bot(bd_id); collision = true; }
}
});
}
});
}
}, REFRESH_RATE);
どうもありがとう、