diff options
Diffstat (limited to 'JamTools/Assets/TextMesh Pro/Shaders/TMPro.cginc')
-rw-r--r-- | JamTools/Assets/TextMesh Pro/Shaders/TMPro.cginc | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/JamTools/Assets/TextMesh Pro/Shaders/TMPro.cginc b/JamTools/Assets/TextMesh Pro/Shaders/TMPro.cginc new file mode 100644 index 0000000..5898130 --- /dev/null +++ b/JamTools/Assets/TextMesh Pro/Shaders/TMPro.cginc @@ -0,0 +1,84 @@ +float2 UnpackUV(float uv) +{ + float2 output; + output.x = floor(uv / 4096); + output.y = uv - 4096 * output.x; + + return output * 0.001953125; +} + +fixed4 GetColor(half d, fixed4 faceColor, fixed4 outlineColor, half outline, half softness) +{ + half faceAlpha = 1-saturate((d - outline * 0.5 + softness * 0.5) / (1.0 + softness)); + half outlineAlpha = saturate((d + outline * 0.5)) * sqrt(min(1.0, outline)); + + faceColor.rgb *= faceColor.a; + outlineColor.rgb *= outlineColor.a; + + faceColor = lerp(faceColor, outlineColor, outlineAlpha); + + faceColor *= faceAlpha; + + return faceColor; +} + +float3 GetSurfaceNormal(float4 h, float bias) +{ + bool raisedBevel = step(1, fmod(_ShaderFlags, 2)); + + h += bias+_BevelOffset; + + float bevelWidth = max(.01, _OutlineWidth+_BevelWidth); + + // Track outline + h -= .5; + h /= bevelWidth; + h = saturate(h+.5); + + if(raisedBevel) h = 1 - abs(h*2.0 - 1.0); + h = lerp(h, sin(h*3.141592/2.0), _BevelRoundness); + h = min(h, 1.0-_BevelClamp); + h *= _Bevel * bevelWidth * _GradientScale * -2.0; + + float3 va = normalize(float3(1.0, 0.0, h.y - h.x)); + float3 vb = normalize(float3(0.0, -1.0, h.w - h.z)); + + return cross(va, vb); +} + +float3 GetSurfaceNormal(float2 uv, float bias, float3 delta) +{ + // Read "height field" + float4 h = {tex2D(_MainTex, uv - delta.xz).a, + tex2D(_MainTex, uv + delta.xz).a, + tex2D(_MainTex, uv - delta.zy).a, + tex2D(_MainTex, uv + delta.zy).a}; + + return GetSurfaceNormal(h, bias); +} + +float3 GetSpecular(float3 n, float3 l) +{ + float spec = pow(max(0.0, dot(n, l)), _Reflectivity); + return _SpecularColor.rgb * spec * _SpecularPower; +} + +float4 GetGlowColor(float d, float scale) +{ + float glow = d - (_GlowOffset*_ScaleRatioB) * 0.5 * scale; + float t = lerp(_GlowInner, (_GlowOuter * _ScaleRatioB), step(0.0, glow)) * 0.5 * scale; + glow = saturate(abs(glow/(1.0 + t))); + glow = 1.0-pow(glow, _GlowPower); + glow *= sqrt(min(1.0, t)); // Fade off glow thinner than 1 screen pixel + return float4(_GlowColor.rgb, saturate(_GlowColor.a * glow * 2)); +} + +float4 BlendARGB(float4 overlying, float4 underlying) +{ + overlying.rgb *= overlying.a; + underlying.rgb *= underlying.a; + float3 blended = overlying.rgb + ((1-overlying.a)*underlying.rgb); + float alpha = underlying.a + (1-underlying.a)*overlying.a; + return float4(blended, alpha); +} + |