Illustrative Rendering in
NPAR07_IllustrativeRenderingInTeamFortress2_Slides
NPAR07_IllustrativeRenderingInTeamFortress2_Slides
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L∑i=1View-dependent Terms[ c k max( f ( vˆ⋅ rˆ) kf k ( v r ) )] spec, ˆ ⋅ ˆk rim+ ( nˆ⋅uˆ) f k a( vˆ)is• Multiple Phong terms per light• k rimbroad, constant exponent• k specexponent (constant or texture)• f sartist tuned Fresnel term• f rrim Fresnel term, (1-(n·v)) 4• k rrim mask texture• k sspecular mask texturesirrirr© 2007 Valve Corporation. All Rights Reserved.