rigidbody ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ์˜ค๋ธŒ์ ํŠธ์— ๋ถ€๋ชจ์˜ค๋ธŒ์ ํŠธ ์ƒ๊ธฐ๋ฉด ๋ณด๊ฐ„์ด ์•ˆ๋˜๋Š”๋ฐ