102 lines
3.4 KiB
GLSL
102 lines
3.4 KiB
GLSL
Shader "RayMarching/FleshCube"
|
|
{
|
|
Properties
|
|
{
|
|
[Header(Lighting)]
|
|
_SunPos ("Sun position", Vector) = (8, 4, 2)
|
|
|
|
[Header(Raymarcher Properties)]
|
|
_MaxSteps ("Max steps", Integer) = 256
|
|
_MaxDist ("Max distance", Float) = 256
|
|
_SurfDist ("Surface distance threshold", Range(0.00001, 0.05)) = 0.001
|
|
|
|
}
|
|
SubShader
|
|
{
|
|
Tags { "RenderType"="Opaque" }
|
|
Cull Off
|
|
LOD 100
|
|
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
|
|
// #define USE_WORLD_SPACE
|
|
#define DYNAMIC_QUALITY
|
|
#define USE_REFLECTIONS
|
|
// #define CONSTRAIN_TO_MESH
|
|
#define MAX_REFLECTIONS 1
|
|
#include "RayMarchLib.cginc"
|
|
|
|
float3 _SunPos;
|
|
|
|
sdfData gyroid(float3 p, float scale, float bias, material mat = DEFMAT)
|
|
{
|
|
sdfData o;
|
|
o.dist = abs(dot(sin(p * scale), cos(p.zxy * scale))+bias) - 0.2;
|
|
o.dist *= .75 / scale;
|
|
o.mat = mat;
|
|
return o;
|
|
}
|
|
|
|
|
|
sdfData scene(float3 p)
|
|
{
|
|
sdfData o;
|
|
material mRed = mat(.12, 0.01, 0.01, sin(_Time*100)*0.1+0.6);
|
|
float3 bias = -pow(sin(_Time*60 + p.y*0.1), 8)*.5+1.3;
|
|
o = gyroid(p, .5, bias, mRed);
|
|
//o = sdfTorus(p, 10 + pow(sin(_Time*50), 4)*5, bias+sin(100*_Time + .1*p.x)*0.5+.5, cRed);
|
|
float3 gp = p + sin(_Time + p*0.1);
|
|
o.dist -= gyroid(gp, 1.63, .5).dist * 0.3;
|
|
o.dist += gyroid(gp, 3.327, 0).dist * 0.1;
|
|
o.dist += gyroid(gp, 7.351, .5).dist * 0.1;
|
|
o.dist -= gyroid(gp, 17.351, .5).dist * 0.05;
|
|
o.dist -= gyroid(gp, 23.521, .2).dist * 0.05;
|
|
o = sdfAdd(p, o, sdfSphere(p, 6 + bias*3, mRed), 5);
|
|
|
|
// o = sdfInter(p, o, sdfSphere(p, 50, mat(0.04, 0.005, 0.035)), 1.1);
|
|
o = sdfInter(p, o, sdfBox(p, 20, mRed));
|
|
// sdfData gyroid = o;
|
|
// o = sdfAdd(p,
|
|
// sdfInter(p, gyroid, sdfBox(p, 30, mRed)),
|
|
// sdfSub(p, gyroid, sdfBox(p, 30, mRed))
|
|
// );
|
|
// o = p, o, sdfBox(p, 20, mRed));
|
|
//sdfData bobby = sdfSphere(p, 51, col(0.5, 0.25, 0.001));
|
|
//bobby = sdfAdd(p, bobby, sdfSphere(p, 50.5, col(.5,.01,.01)));
|
|
//bobby = sdfSub(p, bobby, sdfSphere(p, 50));
|
|
//o = sdfAdd(p, o, bobby);
|
|
//o = sdfAdd(p, o, sdfPlane(p, -50));
|
|
return o;
|
|
}
|
|
|
|
fixed4 lightPoint(rayData ray)
|
|
{
|
|
float3 vSunDir = normalize(_SunPos);
|
|
|
|
float4 fogCol = col(0.2, .05, 0.001);
|
|
|
|
if (ray.bMissed)
|
|
{
|
|
// discard;
|
|
// return fogCol;
|
|
return 0;
|
|
}
|
|
|
|
fixed4 col = 0;
|
|
|
|
col += ray.mat.col * lightSun(ray.vNorm, vSunDir, col(5, 2, 0.1));
|
|
col += ray.mat.col * lightSky(ray.vNorm, 1);
|
|
// col *= lightAO(ray.vHit, ray.vNorm, 0.05);
|
|
|
|
// col = pow(col, 0.7);
|
|
// col = lightFog(col, fogCol, ray.dist, 0.5, 16);
|
|
return col;
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
}
|