{
	"name": "splatter",
	"node_position": {
		"x": 0,
		"y": 0
	},
	"parameters": {
		"count": 25,
		"rotate": 0,
		"scale": 0,
		"scale_x": 1,
		"scale_y": 1,
		"select_inputs": 0,
		"value": 0
	},
	"shader_model": {
		"code": "vec4 $(name_uv)_rch = splatter_$(name)($uv, int($count), vec2(float($seed)));",
		"longdesc": "Spreads several occurences of an input image randomly.",
		"global": "",
		"inputs": [
			{
				"default": "0.0",
				"function": true,
				"label": "",
				"longdesc": "The input image or atlas of 4 or 16 input images",
				"name": "in",
				"shortdesc": "Input",
				"type": "f"
			},
			{
				"default": "1.0",
				"function": true,
				"label": "",
				"longdesc": "The mask applied to the pattern",
				"name": "mask",
				"shortdesc": "Mask",
				"type": "f"
			}
		],
		"instance": "vec4 splatter_$(name)(vec2 uv, int count, vec2 seed) {\n\tfloat c = 0.0;\n\tvec3 rc = vec3(0.0);\n\tvec3 rc1;\n\tfor (int i = 0; i < count; ++i) {\n\t\tseed = rand2(seed);\n\t\trc1 = rand3(seed);\n\t\tfloat mask = $mask(fract(seed+vec2(0.5)));\n\t\tif (mask > 0.01) {\n\t\t\tvec2 pv = fract(uv - seed)-vec2(0.5);\n\t\t\tseed = rand2(seed);\n\t\t\tfloat angle = (seed.x * 2.0 - 1.0) * $rotate * 0.01745329251;\n\t\t\tfloat ca = cos(angle);\n\t\t\tfloat sa = sin(angle);\n\t\t\tpv = vec2(ca*pv.x+sa*pv.y, -sa*pv.x+ca*pv.y);\n\t\t\tpv *= (seed.y-0.5)*2.0*$scale+1.0;\n\t\t\tpv /= vec2($scale_x, $scale_y);\n\t\t\tpv += vec2(0.5);\n\t\t\tpv = clamp(pv, vec2(0.0), vec2(1.0));\n\t\t\t$select_inputs\n\t\t\tseed = rand2(seed);\n\t\t\tfloat c1 = $in(pv)*mask*(1.0-$value*seed.x);\n\t\t\tc = max(c, c1);\n\t\t\trc = mix(rc, rc1, step(c, c1));\n\t\t}\n\t}\n\treturn vec4(rc, c);\n}\n",
		"name": "Splatter",
		"outputs": [
			{
				"f": "$(name_uv)_rch.a",
				"longdesc": "Shows the generated pattern",
				"shortdesc": "Output",
				"type": "f"
			},
			{
				"longdesc": "Shows a random color for each instance of the input image",
				"rgb": "$(name_uv)_rch.rgb",
				"shortdesc": "Instance map",
				"type": "rgb"
			}
		],
		"parameters": [
			{
				"control": "None",
				"default": 10,
				"label": "Count",
				"longdesc": "The number of occurences of the input image",
				"max": 100,
				"min": 1,
				"name": "count",
				"shortdesc": "Count",
				"step": 1,
				"type": "float"
			},
			{
				"default": 0,
				"label": "Inputs",
				"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.",
				"name": "select_inputs",
				"shortdesc": "Input",
				"type": "enum",
				"values": [
					{
						"name": "1",
						"value": " "
					},
					{
						"name": "4",
						"value": "pv = clamp(0.5*(pv+floor(rand2(seed)*2.0)), vec2(0.0), vec2(1.0));"
					},
					{
						"name": "16",
						"value": "pv = clamp(0.25*(pv+floor(rand2(seed)*4.0)), vec2(0.0), vec2(1.0));"
					}
				]
			},
			{
				"control": "None",
				"default": 1,
				"label": "Scale X",
				"longdesc": "The scale of input images on the X axis",
				"max": 2,
				"min": 0,
				"name": "scale_x",
				"shortdesc": "Scale.x",
				"step": 0.01,
				"type": "float"
			},
			{
				"control": "None",
				"default": 1,
				"label": "Scale Y",
				"longdesc": "The scale of input images on the Y axis",
				"max": 2,
				"min": 0,
				"name": "scale_y",
				"shortdesc": "Scale.y",
				"step": 0.01,
				"type": "float"
			},
			{
				"control": "None",
				"default": 0,
				"label": "Rnd Rotate",
				"longdesc": "The random rotation applied to each image instance",
				"max": 180,
				"min": 0,
				"name": "rotate",
				"shortdesc": "RndRotate",
				"step": 0.1,
				"type": "float"
			},
			{
				"control": "None",
				"default": 0,
				"label": "Rnd Scale",
				"longdesc": "The random scale applied to each image instance",
				"max": 1,
				"min": 0,
				"name": "scale",
				"shortdesc": "RndScale",
				"step": 0.01,
				"type": "float"
			},
			{
				"control": "None",
				"default": 0.5,
				"label": "Rnd Value",
				"longdesc": "The random greyscale value applied to each image instance",
				"max": 1,
				"min": 0,
				"name": "value",
				"shortdesc": "RndValue",
				"step": 0.01,
				"type": "float"
			}
		]
	},
	"type": "shader"
}