78 lines
2.2 KiB
HLSL
78 lines
2.2 KiB
HLSL
|
#ifndef TOONSKETCH_OUTLINES_INCLUDED
|
|||
|
|
#define TOONSKETCH_OUTLINES_INCLUDED
|
|||
|
|
|
|||
|
|
#include "TS_Main.cginc"
|
|||
|
|
|
|||
|
|
half _OutlineWidth;
|
|||
|
|
half4 _OutlineColor;
|
|||
|
|
half _OutlineSaturation;
|
|||
|
|
half _OutlineBrightness;
|
|||
|
|
half _OutlineAngle;
|
|||
|
|
|
|||
|
|
VertexOutputForwardBase TS_VertOutlines(VertexInput v)
|
|||
|
|
{
|
|||
|
|
VertexOutputForwardBase o = vertForwardBase(v);
|
|||
|
|
|
|||
|
|
half4 worldPos = mul(unity_ObjectToWorld, v.vertex);
|
|||
|
|
half4 worldNormal = mul(unity_ObjectToWorld, v.normal);
|
|||
|
|
float3 worldViewDir = worldPos - _WorldSpaceCameraPos;
|
|||
|
|
half dist = length(worldViewDir);
|
|||
|
|
|
|||
|
|
half width = _OutlineWidth;
|
|||
|
|
half minWidth = width * 0.5;
|
|||
|
|
half maxWidth = width;
|
|||
|
|
width = clamp(width * dist, minWidth, maxWidth);
|
|||
|
|
|
|||
|
|
half4 projPos = UnityObjectToClipPos(v.vertex);
|
|||
|
|
half4 projNormal = normalize(UnityObjectToClipPos(half4(v.normal, 0)));
|
|||
|
|
half4 projObjDir = normalize(UnityObjectToClipPos(v.vertex.xyz - float4(0, 0, 0, 1)));
|
|||
|
|
|
|||
|
|
float viewDot = dot(normalize(worldViewDir), normalize(worldNormal));
|
|||
|
|
half viewAngle = degrees(acos(viewDot));
|
|||
|
|
|
|||
|
|
half4 scaledDir = projNormal;
|
|||
|
|
if (viewAngle < _OutlineAngle)
|
|||
|
|
{
|
|||
|
|
scaledDir *= (1 - viewDot);
|
|||
|
|
width *= (1 - viewDot) * 0.5;
|
|||
|
|
}
|
|||
|
|
scaledDir = scaledDir * width * 0.00285;
|
|||
|
|
scaledDir += projNormal * 0.00001;
|
|||
|
|
|
|||
|
|
o.pos = projPos + scaledDir;
|
|||
|
|
|
|||
|
|
return o;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
fixed4 TS_FragOutlines(VertexOutputForwardBase i) : COLOR
|
|||
|
|
{
|
|||
|
|
UNITY_APPLY_DITHER_CROSSFADE(i.pos.xy);
|
|||
|
|
|
|||
|
|
UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i);
|
|||
|
|
|
|||
|
|
FragmentCommonData s = TS_FragmentSetup(i.tex, i.eyeVec.xyz, IN_VIEWDIR4PARALLAX(i), i.tangentToWorldAndPackedData, IN_WORLDPOS(i));
|
|||
|
|
|
|||
|
|
UnityLight light = MainLight();
|
|||
|
|
|
|||
|
|
#ifdef _TS_GLOSSREFLECT_ON
|
|||
|
|
UnityGI gi = FragmentGI(s, 1, i.ambientOrLightmapUV, 1, light, true);
|
|||
|
|
#else
|
|||
|
|
UnityGI gi = FragmentGI(s, 1, i.ambientOrLightmapUV, 1, light, false);
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
half4 albedo = TS_GetAlbedo(i.tex.xy);
|
|||
|
|
|
|||
|
|
half4 color = albedo;
|
|||
|
|
half maxVal = max(max(color.r, color.g), color.b);
|
|||
|
|
maxVal -= (1.0 / 255.0);
|
|||
|
|
half3 blend = saturate((color.rgb - float3(maxVal, maxVal, maxVal)) * 255.0);
|
|||
|
|
color.rgb = lerp(color.rgb * _OutlineSaturation, color.rgb, blend);
|
|||
|
|
color.rgb = half4(color.rgb * _OutlineBrightness * albedo.rgb, albedo.a) * _OutlineColor * (gi.indirect.diffuse + light.color);
|
|||
|
|
|
|||
|
|
UNITY_EXTRACT_FOG_FROM_EYE_VEC(i);
|
|||
|
|
UNITY_APPLY_FOG(_unity_fogCoord, color.rgb);
|
|||
|
|
|
|||
|
|
return OutputForward(color, s.alpha);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endif
|