53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
{
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"name": "distance_pass_2",
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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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"parameters": {
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"d": 0.1,
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"s": 9
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},
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"shader_model": {
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"code": "",
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"global": "",
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"inputs": [
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{
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"default": "vec3(0.0)",
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"function": true,
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"label": "",
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"name": "in",
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"type": "rgb"
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}
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],
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"instance": "vec3 $(name)_distance_v(vec2 uv) {\n\tvec2 e = vec2(0.0, 1.0/$s);\n\tint steps = int($s*$d);\n\tvec3 p = $in(uv);\n\tfor (int i = 0; i < steps; ++i) {\n\t\tvec2 dx = float(i)*e;\n\t\tvec3 p2 = $in(uv+dx);\n\t\tif (p2.x > p.x) {\n\t\t\tp2.x = 1.0-sqrt((1.0-p2.x)*(1.0-p2.x)+dx.y*dx.y/$d/$d);\n\t\t\tp = mix(p, p2, step(p.x, p2.x));\n\t\t}\n\t\tp2 = $in(uv-dx);\n\t\tif (p2.x > p.x) {\n\t\t\tp2.x = 1.0-sqrt((1.0-p2.x)*(1.0-p2.x)+dx.y*dx.y/$d/$d);\n\t\t\tp = mix(p, p2, step(p.x, p2.x));\n\t\t}\n\t}\n\treturn p;\n}\n",
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"name": "Distance pass 2",
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"outputs": [
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{
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"rgb": "$(name)_distance_v($uv)",
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"type": "rgb"
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}
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],
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"parameters": [
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{
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"default": 9,
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"first": 6,
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"label": "",
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"last": 12,
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"name": "s",
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"type": "size"
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},
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{
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"control": "None",
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"default": 0.5,
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"label": "",
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"max": 1,
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"min": 0,
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"name": "d",
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"step": 0.01,
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"type": "float"
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}
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]
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},
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"type": "shader"
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} |