121 lines
3.2 KiB
Plaintext
121 lines
3.2 KiB
Plaintext
{
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"name": "custom_uv",
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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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"inputs": 0,
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"rotate": 0,
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"scale": 0,
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"sx": 1,
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"sy": 1
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},
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"shader_model": {
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"code": "vec3 $(name_uv)_map = $map($uv);\nfloat $(name_uv)_rnd = float($seed)+$(name_uv)_map.z;\n",
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"global": "vec2 get_from_tileset(float count, float seed, vec2 uv) {\n\treturn clamp((uv+floor(rand2(vec2(seed))*count))/count, vec2(0.0), vec2(1.0));\n}\n\nvec2 custom_uv_transform(vec2 uv, vec2 cst_scale, float rnd_rotate, float rnd_scale, vec2 seed) {\n\tseed = rand2(seed);\n\tuv -= vec2(0.5);\n\tfloat angle = (seed.x * 2.0 - 1.0) * rnd_rotate;\n\tfloat ca = cos(angle);\n\tfloat sa = sin(angle);\n\tuv = vec2(ca*uv.x+sa*uv.y, -sa*uv.x+ca*uv.y);\n\tuv *= (seed.y-0.5)*2.0*rnd_scale+1.0;\n\tuv /= cst_scale;\n\tuv += vec2(0.5);\n\treturn uv;\n}\n",
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"inputs": [
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{
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"default": "vec4(1.0)",
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"label": "Input",
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"longdesc": "The image or atlas of images to be remapped.",
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"name": "in",
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"shortdesc": "Input",
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"type": "rgba"
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},
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{
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"default": "vec3(1.0)",
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"label": "UV",
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"longdesc": "The custom UV map to be used for remapping.",
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"name": "map",
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"shortdesc": "Map",
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"type": "rgb"
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}
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],
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"instance": "",
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"longdesc": "Remaps an Input image using a custom UV map.",
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"name": "Custom UV",
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"outputs": [
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{
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"longdesc": "Shows the remapped image",
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"rgba": "$in(get_from_tileset($inputs, $(name_uv)_rnd, custom_uv_transform($(name_uv)_map.xy, vec2($sx, $sy), $rotate*0.01745329251, $scale, vec2($(name_uv)_map.z, float($seed)))))",
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"shortdesc": "Output",
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"type": "rgba"
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}
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],
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"parameters": [
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{
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"default": 0,
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"label": "Inputs",
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"longdesc": "The input type of the node:\n- 1: single image\n- 4: atlas of 4 images\n- 16: atlas of 16 images\nAtlases can be created using the Tile2x2 node.",
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"name": "inputs",
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"shortdesc": "Inputs",
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"type": "enum",
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"values": [
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{
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"name": "1",
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"value": "1.0"
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},
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{
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"name": "4",
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"value": "2.0"
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},
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{
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"name": "16",
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"value": "4.0"
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}
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]
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},
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{
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"control": "None",
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"default": 1,
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"label": "Scale X",
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"longdesc": "The scale of the input image along the X axis.",
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"max": 5,
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"min": 0,
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"name": "sx",
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"shortdesc": "Scale.x",
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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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"control": "None",
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"default": 1,
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"label": "Scale Y",
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"longdesc": "The scale of the input image along the Y axis.",
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"max": 5,
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"min": 0,
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"name": "sy",
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"shortdesc": "Scale.y",
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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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"control": "None",
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"default": 0,
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"label": "Rnd Rotate",
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"longdesc": "The random rotation applied to each remapped instance.",
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"max": 180,
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"min": 0,
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"name": "rotate",
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"shortdesc": "RndRotate",
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"step": 0.1,
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"type": "float"
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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": "Rnd Scale",
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"longdesc": "The random scale applied to each remapped instance.",
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"max": 1,
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"min": 0,
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"name": "scale",
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"shortdesc": "RndScale",
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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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"shortdesc": "Custom UV remapper"
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},
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"type": "shader"
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} |