lenia: optimise shader & move files
This commit is contained in:
parent
cf9e4b266d
commit
5281bfa340
24 changed files with 591 additions and 215 deletions
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8
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8
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189
Assets/automata/Lenia/lenia.shader
Normal file
189
Assets/automata/Lenia/lenia.shader
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@ -0,0 +1,189 @@
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Shader "CrispyPin/Lenia"
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{
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Properties
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{
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_LastFrame ("Texture", 2D) = "white" {}
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// _Radius ("Radius", Range(1,100)) = 10
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_GrowtCenter ("Growth fn center (mu)", Range(0, 1)) = 0.2
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_GrowthWidth ("Growth fn width (sigma / std deviation)", Range(0, 1)) = 0.07
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// _KSharpness ("Kernel sharpness", Range(1, 100)) = 2
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// _KOffset ("Kernel offset", Range(0, 1)) = 0.2
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_Speed ("Speed factor", Range(0.001, 0.5)) = 0.1
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}
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SubShader
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{
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Tags { "RenderType"="Opaque" }
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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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#include "UnityCG.cginc"
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struct appdata
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{
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float4 vertex : POSITION;
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float2 uv : TEXCOORD0;
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};
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struct v2f
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{
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float2 uv : TEXCOORD0;
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float4 vertex : SV_POSITION;
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};
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sampler2D _LastFrame;
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// int _Radius;
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float _GrowtCenter;
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float _GrowthWidth;
|
||||
// float _KSharpness;
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||||
// float _KOffset;
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||||
float _Speed;
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||||
|
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v2f vert (appdata v)
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{
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.uv = v.uv;
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|
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return o;
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}
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||||
|
||||
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||||
float kernel(float p) {
|
||||
float r = p / 8.0;
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float k_sharpness=28;
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float k_offset =0.435;
|
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return exp(-((r - k_offset) * (r - k_offset)) * k_sharpness);
|
||||
// float r = p / _Radius;
|
||||
// // -- normal
|
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// return exp(-((r - _KOffset)*(r - _KOffset)) * _KSharpness);
|
||||
|
||||
// -- example from the lenia paper
|
||||
// if (r >= 1) return 0;
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||||
// const float alpha = 4;
|
||||
// return exp(alpha - alpha/(4.0 * r * (1.0 - r)));
|
||||
}
|
||||
|
||||
inline float activation(float neighbors) {
|
||||
// return old_state * (neighbors > 2 && neighbors < 5) +
|
||||
// ((1 - old_state) * neighbors == 3);
|
||||
|
||||
// const float sharpness = 1000.0;
|
||||
// float x = neighbors - _GrowtCenter;
|
||||
// return exp(-(x*x) * _GrowthWidth) * 2.0 - 1.0;
|
||||
const float mu = _GrowtCenter;
|
||||
const float sigma = _GrowthWidth;
|
||||
const float u = neighbors;
|
||||
return exp(-((u-mu) * (u-mu)) / (2 * sigma * sigma)) * 2.0 - 1.0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
inline half value(float2 center, float x, float y) {
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return tex2D(_LastFrame, center + float2(x, y)).r;
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}
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fixed4 frag (v2f i) : SV_Target
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{
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if(_ProjectionParams.z > 1) discard;
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|
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const float resolution = 512.0;
|
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const float d = 1.0 / resolution;
|
||||
// generated by the rust program
|
||||
const int Radius = 16;
|
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// /*
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#define RADIUS 16
|
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// kernel LUT size is 544 bytes
|
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const half Kernel[17][16] = {
|
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{0.0205, 0.0678, 0.1799, 0.3835, 0.6569, 0.9041, 0.9998, 0.8884, 0.6343, 0.3639, 0.1678, 0.0621, 0.0185, 0.0044, 0.0009, 0.0001, },
|
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{0.0346, 0.0871, 0.2065, 0.4147, 0.6847, 0.9193, 0.9987, 0.8756, 0.6186, 0.3520, 0.1611, 0.0593, 0.0176, 0.0042, 0.0008, 0.0001, },
|
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{0.0871, 0.1546, 0.2921, 0.5082, 0.7624, 0.9568, 0.9889, 0.8345, 0.5721, 0.3177, 0.1425, 0.0516, 0.0151, 0.0035, 0.0007, 0.0001, },
|
||||
{0.2065, 0.2921, 0.4459, 0.6569, 0.8699, 0.9931, 0.9541, 0.7600, 0.4974, 0.2659, 0.1156, 0.0407, 0.0116, 0.0027, 0.0005, 0.0001, },
|
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{0.4147, 0.5082, 0.6569, 0.8305, 0.9667, 0.9931, 0.8756, 0.6501, 0.4014, 0.2043, 0.0852, 0.0290, 0.0080, 0.0018, 0.0003, 0.0000, },
|
||||
{0.6847, 0.7624, 0.8699, 0.9667, 0.9987, 0.9240, 0.7445, 0.5120, 0.2961, 0.1425, 0.0567, 0.0185, 0.0049, 0.0011, 0.0002, 0.0000, },
|
||||
{0.9193, 0.9568, 0.9931, 0.9931, 0.9240, 0.7753, 0.5721, 0.3639, 0.1966, 0.0891, 0.0336, 0.0105, 0.0027, 0.0006, 0.0001, 0.0000, },
|
||||
{0.9987, 0.9889, 0.9541, 0.8756, 0.7445, 0.5721, 0.3887, 0.2292, 0.1156, 0.0493, 0.0176, 0.0052, 0.0013, 0.0003, 0.0000, 0.0000, },
|
||||
{0.8756, 0.8345, 0.7600, 0.6501, 0.5120, 0.3639, 0.2292, 0.1258, 0.0593, 0.0238, 0.0080, 0.0023, 0.0005, 0.0001, 0.0000, 0.0000, },
|
||||
{0.6186, 0.5721, 0.4974, 0.4014, 0.2961, 0.1966, 0.1156, 0.0593, 0.0263, 0.0099, 0.0032, 0.0009, 0.0002, 0.0000, 0.0000, 0.0000, },
|
||||
{0.3520, 0.3177, 0.2659, 0.2043, 0.1425, 0.0891, 0.0493, 0.0238, 0.0099, 0.0035, 0.0011, 0.0003, 0.0001, 0.0000, 0.0000, 0.0000, },
|
||||
{0.1611, 0.1425, 0.1156, 0.0852, 0.0567, 0.0336, 0.0176, 0.0080, 0.0032, 0.0011, 0.0003, 0.0001, 0.0000, 0.0000, 0.0000, 0.0000, },
|
||||
{0.0593, 0.0516, 0.0407, 0.0290, 0.0185, 0.0105, 0.0052, 0.0023, 0.0009, 0.0003, 0.0001, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, },
|
||||
{0.0176, 0.0151, 0.0116, 0.0080, 0.0049, 0.0027, 0.0013, 0.0005, 0.0002, 0.0001, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, },
|
||||
{0.0042, 0.0035, 0.0027, 0.0018, 0.0011, 0.0006, 0.0003, 0.0001, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, },
|
||||
{0.0008, 0.0007, 0.0005, 0.0003, 0.0002, 0.0001, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, },
|
||||
{0.0001, 0.0001, 0.0001, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, },
|
||||
};
|
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const float total_max = 234.37535;
|
||||
|
||||
float total = 0.0;
|
||||
[unroll(RADIUS)]
|
||||
for (int y = 0; y < Radius; y++) {
|
||||
[unroll(RADIUS)]
|
||||
for (int x = 1; x <= Radius; x++) {
|
||||
const float xx = (float)x * d;
|
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const float yy = (float)y * d;
|
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total += value(i.uv, xx, yy) * Kernel[y][x-1];
|
||||
total += value(i.uv, -yy, xx) * Kernel[y][x-1];
|
||||
total += value(i.uv, -xx, -yy) * Kernel[y][x-1];
|
||||
total += value(i.uv, yy, -xx) * Kernel[y][x-1];
|
||||
}
|
||||
}
|
||||
// */
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||||
/*
|
||||
float total_max = 0;
|
||||
float total = 0;
|
||||
for (int x = -Radius; x <= Radius; x++) {
|
||||
for (int y = -Radius; y <= Radius; y++) {
|
||||
float dist = sqrt(x*x+y*y);
|
||||
float kval = kernel(dist);
|
||||
total_max += kval;
|
||||
total += value(i.uv, x*d, y*d) * kval;
|
||||
}
|
||||
}
|
||||
// */
|
||||
float old_state = value(i.uv, 0.0, 0.0) ;
|
||||
float count = total / total_max;
|
||||
|
||||
float state = activation(count) * _Speed + old_state;
|
||||
state = clamp(state, 0, 1);
|
||||
|
||||
// // kernel visualization: lookup table
|
||||
// float k = 0;
|
||||
// {
|
||||
// float2 p = (i.uv - 0.5 ) * resolution;
|
||||
// p = floor(p);
|
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// if (p.x > 0 && p.y >= 0) {
|
||||
// k = Kernel[p.y][p.x-1];
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// } else if (p.x <= 0 && p.y > 0) {
|
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// k = Kernel[-p.x][p.y-1];
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// } else if (p.x < 0 && p.y <= 0) {
|
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// k = Kernel[-p.y][-p.x-1];
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// } else if (p.x >= 0 && p.y < 0) {
|
||||
// k = Kernel[p.x][-p.y-1];
|
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// }
|
||||
// }
|
||||
|
||||
// float2 p = (i.uv - 0.5) * resolution;
|
||||
// float k = kernel(length(p)) * (max(abs(p.x), abs(p.y)) <= _Radius); // kernel visualisation: real size
|
||||
// float k = kernel(length(i.uv - 0.5) * _Radius * 2); // kernel visualisation: fill square
|
||||
|
||||
// float a = activation(i.uv.x);
|
||||
// float4 col = float4(state, k, a, 1);
|
||||
// float4 col = float4(state, k, k2, 1);
|
||||
|
||||
// float4 col = float4(state, state * 0.5, 0, 1);
|
||||
// float4 col = float4(state, i.uv.x * state, i.uv.y * state, 1);
|
||||
|
||||
float4 col = state;
|
||||
col.a = 1;
|
||||
return col;
|
||||
}
|
||||
ENDCG
|
||||
}
|
||||
}
|
||||
}
|
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97
Assets/automata/Lenia/lenia_out.mat
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97
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Assets/automata/Lenia/lenia_out.mat.meta
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8
Assets/automata/Lenia/lenia_out.mat.meta
Normal file
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Shader "CrispyPin/Lenia"
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{
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Properties
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{
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_LastFrame ("Texture", 2D) = "white" {}
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_Radius ("Radius", Range(1,100)) = 10
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_GrowtCenter ("Growth fn center (mu)", Range(0, 1)) = 0.2
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_GrowthWidth ("Growth fn width (sigma / std deviation)", Range(0, 1)) = 0.07
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_KSharpness ("Kernel sharpness", Range(1, 100)) = 2
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_KOffset ("Kernel offset", Range(0, 1)) = 0.2
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_Speed ("Speed factor", Range(0.001, 1)) = 0.1
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SubShader
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{
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Tags { "RenderType"="Opaque" }
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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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struct appdata
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{
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float4 vertex : POSITION;
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float2 uv : TEXCOORD0;
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struct v2f
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{
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float2 uv : TEXCOORD0;
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float4 vertex : SV_POSITION;
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sampler2D _LastFrame;
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int _Radius;
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float _GrowtCenter;
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float _GrowthWidth;
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float _KSharpness;
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float _KOffset;
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float _Speed;
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v2f vert (appdata v)
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{
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v2f o;
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o.uv = v.uv;
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return o;
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||||
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float kernel(float p) {
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||||
float r = p / _Radius;
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||||
|
||||
// -- example from the lenia paper
|
||||
// if (r >= 1) return 0;
|
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// const float alpha = 4;
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// return exp(alpha - alpha/(4.0 * r * (1.0 - r)));
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// -- forgor
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// return exp(-((r-0.5)*(r-0.5))*25);
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// -- circle :)
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// return r < 1 && r > 0.2;
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// -- adjustable hard circle
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// float a = _KOffset+_KSharpness;
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// float b =_KOffset -_KSharpness;
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// return r < a && r > b;
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// -- normal
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return exp(-((r - _KOffset)*(r - _KOffset)) * _KSharpness);
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}
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float activation(float neighbors) {
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// return old_state * (neighbors > 2 && neighbors < 5) +
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// ((1 - old_state) * neighbors == 3);
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|
||||
// const float sharpness = 1000.0;
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// float x = neighbors - _GrowtCenter;
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// return exp(-(x*x) * _GrowthWidth) * 2.0 - 1.0;
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float mu = _GrowtCenter;
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float sigma = _GrowthWidth;
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float u = neighbors;
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||||
|
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// float u = neighbors - _GrowtCenter;
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|
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return exp(-((u-mu) * (u-mu)) / (2 * sigma * sigma)) * 2.0 - 1.0;
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}
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half value(float2 center, float x, float y) {
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}
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fixed4 frag (v2f i) : SV_Target
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{
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const float resolution = 256.0;
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const float d = 1.0 / resolution;
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float total_max = 0.0; // TODO replace with const?
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float total = 0.0;
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for (int x = -_Radius; x <= _Radius; x++) {
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for (int y = -_Radius; y <= _Radius; y++) {
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float dist = sqrt(x*x+y*y);
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float kval = kernel(dist);
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total_max += kval;
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total += value(i.uv, x*d, y*d) * kval;
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}
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}
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float old_state = value(i.uv, 0.0, 0.0) ;
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float count = total / total_max;
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|
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float state = activation(count) * _Speed + old_state;
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state = clamp(state, 0, 1);
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||||
// float2 p = (i.uv - 0.5) * resolution;
|
||||
// float k = kernel(length(p)) * (max(abs(p.x), abs(p.y)) <= _Radius); // kernel visualisation: real size
|
||||
// // float k = kernel(length(i.uv - 0.5) * _Radius * 2); // kernel visualisation: fill square
|
||||
// float a = activation(i.uv.x);
|
||||
// float4 col = float4(state, k, a, 1);
|
||||
|
||||
// float4 col = float4(state, state * 0.5, 0, 1);
|
||||
float4 col = float4(state, i.uv.x * state, i.uv.y * state, 1);
|
||||
|
||||
// float4 col = state;
|
||||
// col.a = 1;
|
||||
return col;
|
||||
}
|
||||
ENDCG
|
||||
}
|
||||
}
|
||||
}
|
||||
20
Assets/editor_garbage/UnlimitFPS.cs
Normal file
20
Assets/editor_garbage/UnlimitFPS.cs
Normal file
|
|
@ -0,0 +1,20 @@
|
|||
using System.Collections;
|
||||
using System.Collections.Generic;
|
||||
using UnityEngine;
|
||||
|
||||
public class UnlimitFPS : MonoBehaviour
|
||||
{
|
||||
// Start is called before the first frame update
|
||||
void Start()
|
||||
{
|
||||
Application.targetFrameRate = 0;
|
||||
QualitySettings.vSyncCount = 0;
|
||||
Debug.Log("unlocked fps");
|
||||
}
|
||||
|
||||
// Update is called once per frame
|
||||
void Update()
|
||||
{
|
||||
|
||||
}
|
||||
}
|
||||
11
Assets/editor_garbage/UnlimitFPS.cs.meta
Normal file
11
Assets/editor_garbage/UnlimitFPS.cs.meta
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
fileFormatVersion: 2
|
||||
guid: 7c930f9c62136f05dae4987c3fc776d2
|
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MonoImporter:
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externalObjects: {}
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {instanceID: 0}
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userData:
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assetBundleName:
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assetBundleVariant:
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|
|
@ -18,7 +18,7 @@ QualitySettings:
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shadowCascade2Split: 0.33333334
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shadowCascade4Split: {x: 0.06666667, y: 0.2, z: 0.46666667}
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shadowmaskMode: 0
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blendWeights: 1
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skinWeights: 1
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textureQuality: 1
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anisotropicTextures: 0
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antiAliasing: 0
|
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|
|
@ -40,6 +40,7 @@ QualitySettings:
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asyncUploadBufferSize: 16
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asyncUploadPersistentBuffer: 1
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resolutionScalingFixedDPIFactor: 1
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customRenderPipeline: {fileID: 0}
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excludedTargetPlatforms: []
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- serializedVersion: 2
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name: Low
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|
|
@ -53,7 +54,7 @@ QualitySettings:
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shadowCascade2Split: 0.33333334
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shadowCascade4Split: {x: 0.06666667, y: 0.2, z: 0.46666667}
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shadowmaskMode: 0
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blendWeights: 2
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skinWeights: 2
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textureQuality: 0
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anisotropicTextures: 0
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antiAliasing: 0
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|
|
@ -75,6 +76,7 @@ QualitySettings:
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asyncUploadBufferSize: 16
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asyncUploadPersistentBuffer: 1
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resolutionScalingFixedDPIFactor: 1
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customRenderPipeline: {fileID: 0}
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excludedTargetPlatforms: []
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- serializedVersion: 2
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name: Medium
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|
|
@ -88,7 +90,7 @@ QualitySettings:
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shadowCascade2Split: 0.33333334
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shadowCascade4Split: {x: 0.06666667, y: 0.2, z: 0.46666667}
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shadowmaskMode: 0
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blendWeights: 2
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skinWeights: 2
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textureQuality: 0
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anisotropicTextures: 1
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antiAliasing: 0
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|
|
@ -110,6 +112,7 @@ QualitySettings:
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asyncUploadBufferSize: 16
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asyncUploadPersistentBuffer: 1
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resolutionScalingFixedDPIFactor: 1
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customRenderPipeline: {fileID: 0}
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excludedTargetPlatforms: []
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- serializedVersion: 2
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name: High
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|
|
@ -123,7 +126,7 @@ QualitySettings:
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shadowCascade2Split: 0.33333334
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shadowCascade4Split: {x: 0.06666667, y: 0.2, z: 0.46666667}
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shadowmaskMode: 1
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blendWeights: 2
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skinWeights: 2
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textureQuality: 0
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anisotropicTextures: 1
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antiAliasing: 0
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|
|
@ -145,6 +148,7 @@ QualitySettings:
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asyncUploadBufferSize: 16
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asyncUploadPersistentBuffer: 1
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resolutionScalingFixedDPIFactor: 1
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customRenderPipeline: {fileID: 0}
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excludedTargetPlatforms: []
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- serializedVersion: 2
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name: Very High
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|
|
@ -158,7 +162,7 @@ QualitySettings:
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shadowCascade2Split: 0.33333334
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shadowCascade4Split: {x: 0.06666667, y: 0.2, z: 0.46666667}
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shadowmaskMode: 1
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blendWeights: 4
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skinWeights: 4
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textureQuality: 0
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anisotropicTextures: 2
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antiAliasing: 2
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|
|
@ -180,6 +184,7 @@ QualitySettings:
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asyncUploadBufferSize: 16
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asyncUploadPersistentBuffer: 1
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resolutionScalingFixedDPIFactor: 1
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customRenderPipeline: {fileID: 0}
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excludedTargetPlatforms: []
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- serializedVersion: 2
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name: Ultra
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|
|
@ -193,7 +198,7 @@ QualitySettings:
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shadowCascade2Split: 0.33333334
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shadowCascade4Split: {x: 0.06666667, y: 0.2, z: 0.46666667}
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shadowmaskMode: 1
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blendWeights: 4
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skinWeights: 4
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textureQuality: 0
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anisotropicTextures: 2
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antiAliasing: 2
|
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|
|
@ -201,7 +206,7 @@ QualitySettings:
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softVegetation: 1
|
||||
realtimeReflectionProbes: 1
|
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billboardsFaceCameraPosition: 1
|
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vSyncCount: 1
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vSyncCount: 0
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lodBias: 2
|
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maximumLODLevel: 0
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streamingMipmapsActive: 0
|
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|
|
@ -215,6 +220,7 @@ QualitySettings:
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asyncUploadBufferSize: 16
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asyncUploadPersistentBuffer: 1
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resolutionScalingFixedDPIFactor: 1
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customRenderPipeline: {fileID: 0}
|
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excludedTargetPlatforms: []
|
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m_PerPlatformDefaultQuality:
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||||
Android: 2
|
||||
|
|
|
|||
2
lenia-kernel/.gitignore
vendored
Normal file
2
lenia-kernel/.gitignore
vendored
Normal file
|
|
@ -0,0 +1,2 @@
|
|||
target/
|
||||
Cargo.lock
|
||||
8
lenia-kernel/Cargo.toml
Normal file
8
lenia-kernel/Cargo.toml
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
[package]
|
||||
name = "lenia-kernel"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
1
lenia-kernel/rustfmt.toml
Normal file
1
lenia-kernel/rustfmt.toml
Normal file
|
|
@ -0,0 +1 @@
|
|||
hard_tabs = true
|
||||
43
lenia-kernel/src/main.rs
Normal file
43
lenia-kernel/src/main.rs
Normal file
|
|
@ -0,0 +1,43 @@
|
|||
use std::env;
|
||||
|
||||
fn main() {
|
||||
let args: Vec<_> = env::args().skip(1).collect();
|
||||
if args.is_empty() {
|
||||
println!("usage: kernel_radius");
|
||||
return;
|
||||
}
|
||||
let radius = args[0].parse().unwrap();
|
||||
let k_offset = 0.435;
|
||||
let k_sharpness = 28.0;
|
||||
|
||||
let mut total_max = 0.0;
|
||||
println!(" // generated by the rust program");
|
||||
println!(" const int Radius = {};", radius);
|
||||
println!(" #define RADIUS {}", radius);
|
||||
println!(" // kernel LUT size is {} bytes", radius * (radius + 1) * 2);
|
||||
println!(" const half Kernel[{}][{}] = {{", radius + 1, radius);
|
||||
for y in 0..=radius {
|
||||
print!(" {{");
|
||||
for x in 1..=radius {
|
||||
let k = k(x, y, radius, k_offset, k_sharpness);
|
||||
total_max += k * 4.0;
|
||||
print!("{:.4}, ", k);
|
||||
}
|
||||
println!("}},");
|
||||
}
|
||||
println!(" }};");
|
||||
println!(" const float TOTAL_MAX = {};", total_max);
|
||||
}
|
||||
|
||||
fn k(x: usize, y: usize, radius: usize, k_offset: f32, k_sharpness: f32) -> f32 {
|
||||
let x = x as f32;
|
||||
let y = y as f32;
|
||||
let r = (x * x + y * y).sqrt() / radius as f32;
|
||||
f32::exp(-((r - k_offset) * (r - k_offset)) * k_sharpness)
|
||||
// lenia paper example kernel
|
||||
// if r < 1.0 {
|
||||
// f32::exp(4.0 - 4.0 / (4.0 * r * (1.0 - r)))
|
||||
// } else {
|
||||
// 0.0
|
||||
// }
|
||||
}
|
||||
Loading…
Reference in a new issue