task LifeCircle(renderObj, enemyObj){
	let path = root~"/system/img/Default_System.png";
	let obj = ObjPrim_Create(OBJ_PRIMITIVE_2D); //lifebar base
	let objb = ObjPrim_Create(OBJ_PRIMITIVE_2D); //actual life bar
	let obj2 = ObjPrim_Create(OBJ_SPRITE_LIST_2D); //boss stars
	let obj3 = ObjPrim_Create(OBJ_SPRITE_LIST_2D); //life bar knobs
	ObjPrim_SetPrimitiveType(obj, PRIMITIVE_TRIANGLESTRIP);
	ObjPrim_SetPrimitiveType(objb, PRIMITIVE_TRIANGLESTRIP);
	ObjPrim_SetTexture(obj, root~"/system/img/lifebar.png");
	ObjPrim_SetTexture(objb, root~"/system/img/lifebar.png");
	ObjPrim_SetTexture(obj2, path);
	ObjPrim_SetTexture(obj3, root~"/system/img/lifebar.png");
	Obj_SetRenderPriority(obj, 0.31);
	Obj_SetRenderPriority(objb, 0.32);
	Obj_SetRenderPriority(obj2, 0.7);
	Obj_SetRenderPriority(obj3, 0.33);

	let lastRemStep = -1;
	let lifeRateRender = 0;

	let vertexcount = 64;
	let innerrad = 60; //inner radius of the circle
	let outerrad = 68; //outer radius of the circle

	let objScene = ID_INVALID;
	let bossEnemy = [];

	ObjPrim_SetVertexCount(obj, vertexcount);
	ObjPrim_SetVertexCount(objb, vertexcount);

	let lifeM = ObjEnemy_GetInfo(enemyObj, INFO_LIFE); //starting life
	loop{
		ObjSpriteList2D_ClearVertexCount(obj2);
		ObjSpriteList2D_ClearVertexCount(obj3);
		if(!Obj_IsDeleted(enemyObj)){
			if(length(GetEnemyBossObjectID) > 0){
				ObjRender_SetAlpha(obj, 256);
				ObjRender_SetAlpha(objb, 256);
				ObjRender_SetAlpha(obj2, 256);
				ObjRender_SetAlpha(obj3, 256);
			}else{
				ObjRender_SetAlpha(obj, 0);
				ObjRender_SetAlpha(objb, 0);
				ObjRender_SetAlpha(obj2, 0);
				ObjRender_SetAlpha(obj3, 0);
			}

			let life = ObjEnemy_GetInfo(enemyObj, INFO_LIFE); //life remaining
			ascent(i in 0..vertexcount/2){
		        let indexvert = i*2;
		        let angle = i*360/(vertexcount*0.5-1) - 90;
		        let angle2 = -90-(life/lifeM)*i*360/(vertexcount*0.5-1);
		        ObjPrim_SetVertexPosition(obj, indexvert+0, ObjRender_GetX(renderObj)+innerrad*cos(angle), ObjRender_GetY(renderObj)+innerrad*sin(angle), 0);
		        ObjPrim_SetVertexPosition(obj, indexvert+1, ObjRender_GetX(renderObj)+outerrad*cos(angle), ObjRender_GetY(renderObj)+outerrad*sin(angle), 0);

		        ObjPrim_SetVertexUVT(obj, indexvert+0, 10, 0);
		        ObjPrim_SetVertexUVT(obj, indexvert+1, 20, 32);


		        ObjPrim_SetVertexPosition(objb, indexvert+0, ObjRender_GetX(renderObj)+innerrad*cos(angle2), ObjRender_GetY(renderObj)+innerrad*sin(angle2), 0);
		        ObjPrim_SetVertexPosition(objb, indexvert+1, ObjRender_GetX(renderObj)+outerrad*cos(angle2), ObjRender_GetY(renderObj)+outerrad*sin(angle2), 0);

		        ObjPrim_SetVertexUVT(objb, indexvert+0, 0, 0);
		        ObjPrim_SetVertexUVT(objb, indexvert+1, 10, 32);
		    }
		}else{
			Obj_Delete(obj);
			Obj_Delete(objb);
			Obj_Delete(obj2);
			Obj_Delete(obj3);
			return;
		}
		yield;
	}
}