v.worldPos = mul(unity_ObjectToWorld, v.vertex);

float3 viewDir = normalize(UnityWorldSpaceViewDir(v.worldPos));

float3 lightDir = normalize(UnityWorldSpaceLightDir(v.worldPos));


์„œํŽ˜์ด์Šค๊บผ๋ฅผ ์–ธ๋ฆฟ์œผ๋กœ ๋ฐ”๊ฟ”์„œ ํ•ด๋ณด๋‹ˆ๊นŒ ์ด๊ฒŒ ๋งž๋Š”๊ฑด์ง€ ๋ชฐ๋ฅด๊ฒ ์Œ