173 lines
3.3 KiB
Plaintext
173 lines
3.3 KiB
Plaintext
{
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"connections": [
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{
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"from": "custom_0",
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"from_port": 0,
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"to": "colorize_0",
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"to_port": 0
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},
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{
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"from": "colorize_0",
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"from_port": 0,
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"to": "Material",
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"to_port": 3
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}
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],
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"label": "Graph",
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"name": "362",
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"node_position": {
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"x": 0,
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"y": 0
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},
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"nodes": [
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{
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"name": "Material",
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"node_position": {
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"x": 200,
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"y": 0
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},
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"parameters": {
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"albedo_color": {
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"a": 1,
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"b": 0,
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"g": 0,
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"r": 0,
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"type": "Color"
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},
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"ao_light_affect": 1,
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"depth_scale": 1,
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"emission_energy": 1,
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"metallic": 1,
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"normal_scale": 1,
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"resolution": 1,
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"roughness": 1,
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"size": 11
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},
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"type": "material"
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},
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{
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"name": "custom_0",
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"node_position": {
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"x": -211,
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"y": 208
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},
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"parameters": {
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"contrast": 10,
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"scale": 1,
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"x": 0,
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"y": 0
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},
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"shader_model": {
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"global": "float mandelbrot(vec2 uv) {\n float di = 1.0;\n vec2 z = vec2(0.0);\n float m2 = 0.0;\n vec2 dz = vec2(0.0);\n for( int i=0; i<200; i++ )\n {\n if (m2>1024.0 ) {\n\t\t\tdi=0.0;\n\t\t\tbreak;\n\t\t}\n\n\t\t// Z' -> 2·Z·Z' + 1\n dz = 2.0*vec2(z.x*dz.x-z.y*dz.y, z.x*dz.y + z.y*dz.x) + vec2(1.0,0.0);\n\t\t\t\n // Z -> Z² + c\t\t\t\n z = vec2( z.x*z.x - z.y*z.y, 2.0*z.x*z.y ) + uv;\n\t\t\t\n m2 = dot(z,z);\n }\n\n // distance\t\n\t// d(c) = |Z|·log|Z|/|Z'|\n\tfloat d = 0.5*sqrt(dot(z,z)/dot(dz,dz))*log(dot(z,z));\n if( di>0.5 ) d=0.0;\n\treturn d;\n}",
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"instance": "float $(name)_xyz(vec2 uv) {\n\treturn mandelbrot(uv);\n}",
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"name": "Mandelbrot",
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"outputs": [
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{
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"f": "clamp($(name)_xyz(vec2($(x), $(y))+$(scale)*(2.0*$(uv)-1.0))*$(contrast), 0.0, 1.0)",
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"type": "f"
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}
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],
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"parameters": [
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{
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"label": "Scale",
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"max": 3,
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"min": 0,
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"name": "scale",
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"step": 0.0001,
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"type": "float",
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"widget": "spinbox"
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},
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{
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"label": "X",
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"max": 2,
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"min": -2,
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"name": "x",
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"step": 0.0001,
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"type": "float",
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"widget": "spinbox"
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},
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{
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"label": "Y",
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"max": 2,
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"min": -2,
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"name": "y",
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"step": 0.0001,
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"type": "float",
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"widget": "spinbox"
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},
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{
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"label": "Contrast",
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"max": 10000,
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"min": 1,
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"name": "contrast",
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"step": 0.0001,
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"type": "float",
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"widget": "spinbox"
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}
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]
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},
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"type": "shader"
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},
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{
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"name": "colorize_0",
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"node_position": {
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"x": -99.75,
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"y": -7.25
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},
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"parameters": {
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"gradient": {
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"points": [
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{
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"a": 1,
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"b": 0,
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"g": 0,
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"pos": 0,
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"r": 1
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},
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{
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"a": 1,
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"b": 0,
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"g": 0.96875,
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"pos": 0.2,
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"r": 1
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},
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{
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"a": 1,
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"b": 0.0625,
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"g": 1,
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"pos": 0.4,
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"r": 0
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},
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{
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"a": 1,
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"b": 1,
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"g": 1,
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"pos": 0.618182,
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"r": 0
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},
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{
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"a": 1,
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"b": 0.965909,
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"g": 0,
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"pos": 0.818182,
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"r": 0
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},
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{
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"a": 1,
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"b": 1,
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"g": 0,
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"pos": 1,
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"r": 0.9375
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}
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],
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"type": "Gradient"
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}
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},
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"type": "colorize"
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}
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],
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"parameters": {
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},
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"type": "graph"
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} |