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???????????????????2D???????????????????????????????????????????????????????????????????????

??????????????2D?????????????????????????Unity???3D????????????

??????????????????????????????????????????????????

??????????????

????????Sprite??????

1. ??Sprite Render?

??2D Sprite ??

2.??Sprite???????????Sprite Render?????Sprites-Default???????????????Unity???Shader?Standard?Specular setup?

??Shader

?????????????????????Cutout????2D?????????????

??????????????????????

???

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??????????

1.??????????????????????

?????Directional Light

??????Unity???????????????????????????????????

??Directional Light??

????????????????????????????????????????????????????????????????

2.?????????????????????????????????????????????????

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???????

?????????????????????LED??????????????????????

1. ??Unity???Point Light?

??Point Light

2. ????????

??Point Light??

????????????????????????????????????

a. ??????????????????????

b. ???????Important????????????????

c. ???????????????????????????

P.s. ????????????????????????????????????????????

????????

??????????????????????????????????????????????????????

1.?????Spotlight

??Spotlight

2.??Spotlight???(?Point Light????????????????????????????????????????????????????????????)

??Spotlight??

?????????????Cookie???????????????????????,??????????????????????????????????Cookie??

Cookie??

?????

????????

???2D????????????????????Shader??????

1. ????????

2. ??????? Shader: Particles/Additive??????????????????2D??????????

?????

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???????????????????????????????????????????????, ??????

????????????????2D?????????????????????????????????????????????????????????????