function Dist(fromx, fromy, tox, toy) { return ((tox-fromx)^2+(toy-fromy)^2)^0.5 }
function AngTo(fromx, fromy, tox, toy) { return atan2(toy-fromy, tox-fromx) }
task CreateChain {
	let obja = [0, 0, 0];
	task s1 { obja[0] = Obj_Create(OBJ_SHOT); let obj = obja[0];
	Obj_SetPosition(obj, GetClipMinX, -30); ObjShot_SetGraphic(obj, ORANGE03);
	ObjShot_SetBombResist(obj, 1); Obj_SetAutoDelete(obj, 0);
	while(Obj_GetY(obj)<525) { Obj_SetY(obj, Obj_GetY(obj)+2); yield; } Obj_Delete(obj); }
	task s2 { obja[1] = Obj_Create(OBJ_SHOT); let obj = obja[1];
	Obj_SetPosition(obj, GetClipMaxX, -30); ObjShot_SetGraphic(obj, ORANGE03);
	ObjShot_SetBombResist(obj, 1); Obj_SetAutoDelete(obj, 0);
	while(Obj_GetY(obj)<525) { Obj_SetY(obj, Obj_GetY(obj)+2); yield; } Obj_Delete(obj); }
	task s3 {
		task s4(percent) { let obj2 = Obj_Create(OBJ_SHOT);
		ObjShot_SetGraphic(obj2, ORANGE01);
		ObjShot_SetBombResist(obj2, 1); Obj_SetAutoDelete(obj2, 0);
		while(Obj_GetY(obj2)<525) {
			Obj_SetPosition(obj2,
			Obj_GetX(obj)+ObjLaser_GetLength(obj)*percent*cos(Obj_GetAngle(obj))
			,Obj_GetY(obj)+ObjLaser_GetLength(obj)*percent*sin(Obj_GetAngle(obj))+2
			); yield;
		}
		Obj_Delete(obj); }
	SetShotColor(255, 155, 0); obja[2] = Obj_Create(OBJ_LASER); let obj = obja[2];
	ObjShot_SetGraphic(obj, ORANGE12); ObjShot_SetDelay(obj, 600);
	ObjShot_SetBombResist(obj, 1); Obj_SetAutoDelete(obj, 0); SetShotColor(255, 255, 255);
	Obj_SetCollisionToPlayer(obj, 0); ObjLaser_SetSource(obj, 0);
	let num = 13; ascent(i in 0..num) { s4(i/num); }
	let a = 0; let b = 0; let r1 = rand(-3, 3); let r2 = rand(-3, 3);
	while(!Obj_BeDeleted(obja[0]) && !Obj_BeDeleted(obja[1])) {
		let x = Obj_GetX(obja[0])+15*cos(a); let y = Obj_GetY(obja[0])+15*sin(a);
		let x2 = Obj_GetX(obja[1])+15*cos(b); let y2 = Obj_GetY(obja[1])+15*sin(b);
		a+=r1; b+=r2; a%=360; b%=360;
		Obj_SetPosition(obj, x, y);
		ObjLaser_SetLength(obj, Dist(x, y, x2, y2));
		Obj_SetAngle(obj, AngTo(x, y, x2, y2));
	yield; } Obj_Delete(obj); }
	s1; s2; s3;
}