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Color Control
- 1. Conversion Color Space & Filtering 발표자 : 이창희 [email_address] [email_address] Twitter.com/cagetu
- 14. 적용 사례
- 18. Left 4 Dead 2
- 19. 적용 !!
Notas do Editor
- Selective Color Correction This was very useful for us, since it allowed artists to fix individual colors and end of Crysis without having to re-tweak lighting (which takes much much longer) Color range based on Euclidian distance ColorRange = saturate(1 - length( src - col.xyz) ); Color correction done in CMYK color space Similar to Photoshop = Happy artist c = lerp( c, clamp(c + dst_c, -1, 1), ColorRange); Finally blend between original and correct color Orig =lerp( Orig, CMYKtoRGB( c), ColorRange);
- Photo Filter (need real images) Blend entire image into a different color mood – so artists where able to give a warmer/colder color mood – again without having to re-tweak entire lighting settings Artist defines “mood color” Final mood color is based on luminance cMood = lerp(0, cMood, saturate( fLum * 2.0 ) ); cMood = lerp(cMood, 1, saturate( fLum - 0.5 ) * 2.0 ); Final color is a blend between mood color and backbuffer based on luminance and user ratio final= lerp(cScreen, cMood , saturate( fLum * fRatio)); Example: Left – original, right 50% mix with a orange’ish color – colors feel much warmer