create loops shader
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5 changed files with 340 additions and 4 deletions
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84
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84
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8
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79
Assets/raymarched/loops.shader
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79
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Shader "CrispyPin/Loops"
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{
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Properties
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{
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[Header(Raymarcher Properties)]
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_MaxSteps ("Max steps", Integer) = 128
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_MaxDist ("Max distance", Float) = 128
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_SurfDist ("Surface distance threshold", Range(.0001, .05)) = .001
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}
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SubShader
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{
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Tags { "RenderType"="Opaque" }
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Cull Front
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LOD 100
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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int _MaxSteps;
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float _MaxDist;
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float _SurfDist;
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#define MAX_STEPS _MaxSteps
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#define MAX_DIST _MaxDist
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#define SURF_DIST _SurfDist
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#define SCENE_FN main
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#define SCENE_SCALE 0.04
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#define DISCARD_ON_MISS
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#include "lib/libgarbage.cginc"
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float flatsin(float t, float period = 2, float transition = 0.5, float bias = 0) {
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// period 2
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// smoothstep(0.25, 0.75, abs(mod(x -0.75, 2) - 1))
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// period 4
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// smoothstep(0.75, 1.25, abs(mod(x -1.25, 4) - 2))
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float start = (period/2-transition)/2;
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return smoothstep(start - bias, start + transition - bias, abs(fmod(t - start - transition - bias, period) - period/2));
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}
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SurfacePoint Loop(float3 p, Material m = DEFAULT_MAT) {
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return qSub(mBox(p, float3(2,4,6), m), mBox(p, float3(4,2,4)));
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}
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Material lCol(float t) {
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Material mA = mat(1, .5, .2);
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Material mB = mat(.2, .5, 1);
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return mixMat(mA, mB, flatsin(t, 6, 0.5, 1));
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}
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SurfacePoint main(float3 p) {
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SurfacePoint d;
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|
|
||||||
|
float t = _Time.y;
|
||||||
|
Material mA = mat(1, .5, .2);
|
||||||
|
Material mB = mat(.2, .5, 1);
|
||||||
|
Material mCenter = mixMat(mA, mB, flatsin(t, 3, 0.5, .25));
|
||||||
|
|
||||||
|
d = Loop(p -float3( 0, 0,flatsin(t )*8 -4),mCenter);
|
||||||
|
d = qUnion(d,Loop(p.yzx-float3( 0, 4,flatsin(t+1.5)*8 -4),lCol(t+2.5)));
|
||||||
|
d = qUnion(d,Loop(p.zxy-float3( 4, 4,flatsin(t+1 )*8 -4),lCol(t+2)));
|
||||||
|
d = qUnion(d,Loop(p -float3( 4, 4,flatsin(t+1.5)*8 ),lCol(t+1.5)));
|
||||||
|
d = qUnion(d,Loop(p.yzx-float3( 4, 0,flatsin(t+1 )*8 ),lCol(t+1)));
|
||||||
|
d = qUnion(d,Loop(p.zxy-float3( 0, 0,flatsin(t+0.5)*8 ),lCol(t+0.5)));
|
||||||
|
d = qUnion(d,Loop(p.yzx-float3( 0,-4,flatsin(t+1.5)*8 -4),lCol(t-0.5)));
|
||||||
|
d = qUnion(d,Loop(p.zxy-float3(-4,-4,flatsin(t+1 )*8 -4),lCol(t-1)));
|
||||||
|
d = qUnion(d,Loop(p -float3(-4,-4,flatsin(t+1.5)*8 -8),lCol(t-1.5)));
|
||||||
|
d = qUnion(d,Loop(p.yzx-float3(-4, 0,flatsin(t+1 )*8 -8),lCol(t-2)));
|
||||||
|
d = qUnion(d,Loop(p.zxy-float3( 0, 0,flatsin(t+0.5)*8 -8),lCol(t-2.5)));
|
||||||
|
|
||||||
|
return d;
|
||||||
|
}
|
||||||
|
ENDCG
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
9
Assets/raymarched/loops.shader.meta
Normal file
9
Assets/raymarched/loops.shader.meta
Normal file
|
|
@ -0,0 +1,9 @@
|
||||||
|
fileFormatVersion: 2
|
||||||
|
guid: 5c08f7418862453488eeb85bc14f45fd
|
||||||
|
ShaderImporter:
|
||||||
|
externalObjects: {}
|
||||||
|
defaultTextures: []
|
||||||
|
nonModifiableTextures: []
|
||||||
|
userData:
|
||||||
|
assetBundleName:
|
||||||
|
assetBundleVariant:
|
||||||
Loading…
Reference in a new issue