material-maker/addons/material_maker/nodes/gaussian_blur_y.mmg

{
	"name": "gaussian_blur_y",
	"node_position": {
		"x": 0,
		"y": 0
	},
	"parameters": {
		"sigma": 35.700001,
		"size": 9
	},
	"shader_model": {
		"code": "",
		"global": "",
		"inputs": [
			{
				"default": "vec4(1.0)",
				"function": true,
				"label": "",
				"name": "in",
				"type": "rgba"
			},
			{
				"default": "1.0",
				"function": true,
				"label": "",
				"name": "amount",
				"type": "f"
			}
		],
		"instance": "vec4 $(name)_fct(vec2 uv) {\n\tfloat e = 1.0/$size;\n\tvec4 rv = vec4(0.0);\n\tfloat sum = 0.0;\n\tfloat sigma = max(0.000001, $sigma*$amount(uv));\n\tfor (float i = -50.0; i <= 50.0; i += 1.0) {\n\t\tfloat coef = exp(-0.5*(pow(i/sigma, 2.0)))/(6.28318530718*sigma*sigma);\n\t\trv += $in(uv+vec2(0.0, i*e))*coef;\n\t\tsum += coef;\n\t}\n\treturn rv/sum;\n}",
		"name": "Gaussian blur Y",
		"outputs": [
			{
				"rgba": "$(name)_fct($uv)",
				"type": "rgba"
			}
		],
		"parameters": [
			{
				"default": 9,
				"first": 4,
				"label": "Size",
				"last": 12,
				"name": "size",
				"type": "size"
			},
			{
				"control": "None",
				"default": 0.5,
				"label": "Sigma",
				"max": 50,
				"min": 0,
				"name": "sigma",
				"step": 0.1,
				"type": "float"
			}
		]
	},
	"type": "shader"
}