cvr-props/Assets/raymarched/flesh_cube.shader

Shader "CrispyPin/FleshCube2"
{
	Properties {}
	SubShader
	{
		Tags { "RenderType"="Opaque" }
		Cull Front
		LOD 100

		Pass
		{
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag

			#define MAX_STEPS 100
			#define MAX_DIST 128
			#define SURF_DIST 0.025

			#define SCENE_FN main
			#define SCENE_SCALE 0.04
			#define REFLECTIONS 2
			#define DISCARD_ON_MISS

			#include "lib/libgarbage.cginc"

			SurfacePoint main(float3 p) {
  				Material mRed = mat(.95, 0.1, 0.1, 0.4);
  				Material mEdge = mat(.7, 0.2, 0.1, 0.4);
				SurfacePoint d;

				float3 bias = -pow(sin(_Time*60 + p.y*0.1), 8) * .5 + 1.3;
                d = mGyroid(p, .5, bias, 0.2, mEdge);
				float3 gp = p + sin(_Time + p*0.1);
                d.dist -= sdGyroid(gp, 1.63,   .5, .2) * .3;
                d.dist += sdGyroid(gp, 3.327,   0, .2) * .1;
                d.dist += sdGyroid(gp, 7.351,  .5, .2) * .1;
                d.dist -= sdGyroid(gp, 17.351, .5, .2) * .05;
                d.dist -= sdGyroid(gp, 23.521, .2, .2) * .05;
                d = qUnion(d, mSphere(p, 6 + bias*3, mRed), 5);
				d = qIntersect(d, mBox(p, 25, mRed), 0.8);
				return d;
			}
			ENDCG
		}
	}
}