function Hit_Check_Fight(player_a,player_b){//aとbの間でのヒット判定
var hit=0;
if(player_a.at_x-player_b.core_x<player_b.core_wid && player_a.at_x-player_b.core_x>-player_a.at_w 
 && player_a.at_y -player_b.core_y<player_b.core_hei && player_a.at_y-player_b.core_y>-player_a.at_h
 && player_a.imp>=1)
{hit+=1;}

if(player_b.at_x-player_a.core_x<player_a.core_wid && player_b.at_x-player_a.core_x>-player_b.at_w 
 && player_b.at_y-player_a.core_y<player_a.core_hei && player_b.at_y-player_a.core_y>-player_b.at_h
 && player_b.imp>=1)
{hit+=2;}

	switch(hit){
	case 1://p_a hit
	Kurai_Killer(player_b,player_a,weapons);
	player_b.mxp+=5-player_a.muki*10+player_a.mxp;//プレイヤーはのけぞり
	player_b.myp-=6+Math.abs(player_a.mxp);
	break;
	case 2://p_b hit
	Kurai_Killer(player_a,player_b,weapons);
	player_a.mxp+=5-player_b.muki*10+player_b.mxp;//プレイヤーはのけぞり
	player_a.myp-=6+Math.abs(player_b.mxp);
	break;
	case 3://相打ち
	Kurai_Killer(player_b,player_a,weapons);
	Kurai_Killer(player_a,player_b,weapons);
	player_b.mxp+=5-player_a.muki*10//プレイヤーはのけぞり
	player_a.mxp+=5-player_b.muki*10//プレイヤーはのけぞり
	break;

	default:break;
	}

}