๋ฌผ๋ฆฌ์ ์ธ ์›€์ง์ž„ ํ•„์š”ํ• ๋• addforce ์“ฐ๊ณ  ์•„๋‹๋• charcter controller์“ฐ๋Š”๊ฒŒ ๋‚ซ๋‚˜์š”??