private void remove(int[] goawayvals){
		for(int i = 0; i < terrain.length; i++){
			for(int j = 0; j < terrain[0].length; j++){
				for(int k : goawayvals){
					if(terrain[i][j] == k){
						terrain[i][j] = 0;
					}
				}
			}
		}
	}