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WebGPURenderer: fix D_BlinnPhong #28199

Merged
merged 2 commits into from
Apr 23, 2024
Merged

WebGPURenderer: fix D_BlinnPhong #28199

merged 2 commits into from
Apr 23, 2024

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susiwen8
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shininess.mul( 0.5 / Math.PI ).add( 1.0 ).mul( dotNH.pow( shininess ) );

translate to glsl is

(shininess * ( 1 / ( 2 * PI ) ) + 1.0 ) * pow( dotNH, shininess )

result is not same with

( 1 / PI ) * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );

@susiwen8 susiwen8 changed the title D blinn phong WebGPURenderer: fix D_BlinnPhong Apr 23, 2024
@sunag sunag added this to the r164 milestone Apr 23, 2024
@sunag sunag merged commit 1780cc5 into mrdoob:dev Apr 23, 2024
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@susiwen8 susiwen8 deleted the D_BlinnPhong branch April 23, 2024 15:48
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