Wedge shot function

//Fire wedge of bullets, like Seiran
//e.g. FireWedgeA1(ex,ey,ang,2,620,5,	10,6,5, 20,10);
function FireWedgeA1(x,y,ang,spd,type,del,	rows,rowgap,rowdel, dist,distdel) {

	let dummy = CreateDummyShot(0,0);
	Obj_SetValue(dummy,"Shots",[]);	   		//reference to the list of shots
	Obj_SetValue(dummy,"IsNewShots",-1);	//index of first shot created since it was reset

	TWedge;
	return dummy;

	task TWedge {
		let s; let a;
		let shot;
		let dx = rowgap*cos(ang); let dy = rowgap*sin(ang);
		let tx = x + dist*cos(ang); let ty = y + dist*sin(ang);
		let tx2; let ty2;

		ascent(i in 0..rows) {
			a = -rowgap*i/2;
			if(Obj_GetValueD(dummy,"IsNewShots",-1)<0){Obj_SetValue( dummy,"IsNewShots", length(Obj_GetValue(dummy,"Shots"))-0 ); }
			ascent(j in 0..i) {
				//s = wedgespd(spd,ang,a);
				shot = CreateShotA1(x,y,0,ang+a, type, del);
				tx2 = tx + a * cos(ang+90);	ty2 = ty + a * sin(ang+90);
				ObjMove_SetDestAtFrame(shot,tx2,ty2,distdel);
				ObjMove_AddPatternA1(shot,distdel,spd,ang);

				a+=rowgap;

				Obj_SetValue(dummy,"Shots",Obj_GetValue(dummy,"Shots")~[shot]);
			}
			wait(rowdel);
		}
		wait(120);
		Obj_Delete(dummy);
	}
}