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fix matcap uv

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This commit is contained in:
Masataka SUMI
2021-06-02 20:54:09 +09:00
parent fd52ae2af4
commit 9c089b85ad
1 changed files with 4 additions and 2 deletions
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6
Assets/VRMShaders/VRM10/MToon10/Resources/VRM10/vrmc_materials_mtoon_lighting_mtoon.hlsl
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@@ -62,8 +62,10 @@ inline half3 GetMToonLighting_Rim(const MToonInput input, const half3 lighting)
if (MToon_IsForwardBasePass())
{
const half3 worldUpWS = half3(0, 1, 0);
const half3 matcapRightWS = cross(input.viewDirWS, worldUpWS);
const half2 matcapUv = float2(dot(matcapRightWS, input.normalWS), dot(worldUpWS, input.normalWS)) * 0.5 + 0.5;
// TODO: use view space axis if abs(dot(viewDir, worldUp)) == 1.0
const half3 matcapRightAxisWS = normalize(cross(input.viewDirWS, worldUpWS));
const half3 matcapUpAxisWS = normalize(cross(matcapRightAxisWS, input.viewDirWS));
const half2 matcapUv = float2(dot(matcapRightAxisWS, input.normalWS), dot(matcapUpAxisWS, input.normalWS)) * 0.5 + 0.5;
const half3 matcapFactor = UNITY_SAMPLE_TEX2D(_MatcapTex, matcapUv).rgb;
const half3 parametricRimFactor = pow(saturate(1.0 - dot(input.normalWS, input.viewDirWS) + _RimLift), _RimFresnelPower) * _RimColor.rgb;
const half3 rimLightingFactor = lerp(half3(1, 1, 1), lighting, _RimLightingMix);