normal_map2.mmg

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	],
	"label": "Normal Map",
	"longdesc": "Generates a normal map from a height map",
	"name": "normal_map2",
	"node_position": {
		"x": 0,
		"y": 0
	},
	"nodes": [
		{
			"name": "gen_parameters",
			"node_position": {
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			"parameters": {
				"buffer": 1,
				"param2": 0,
				"size": 10,
				"strength": 1
			},
			"seed": 56582,
			"type": "remote",
			"widgets": [
				{
					"label": "",
					"linked_widgets": [
						{
							"node": "edge_detect_1",
							"widget": "algo"
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					],
					"longdesc": "The algorithm used to generate the normal map",
					"name": "param2",
					"shortdesc": "Algorithm",
					"type": "linked_control"
				},
				{
					"label": "",
					"linked_widgets": [
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							"widget": "size"
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						{
							"node": "buffer_2",
							"widget": "size"
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					],
					"longdesc": "The resolution of the generated normal map",
					"name": "size",
					"shortdesc": "Resolution",
					"type": "linked_control"
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				{
					"label": "",
					"linked_widgets": [
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							"widget": "amount"
						},
						{
							"node": "math",
							"widget": "default_in2"
						}
					],
					"longdesc": "The strength of the normal map filter",
					"name": "strength",
					"shortdesc": "Strength",
					"type": "linked_control"
				},
				{
					"configurations": {
						"False": [
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					"label": "Buffer",
					"linked_widgets": [
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							"node": "switch",
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					],
					"longdesc": "When set, a buffer is used to sample the input before the normal map filter",
					"name": "buffer",
					"shortdesc": "Buffer",
					"type": "config_control"
				}
			]
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			"parameters": {

			},
			"ports": [
				{
					"group_size": 0,
					"longdesc": "Shows the generated normal map",
					"name": "Normal",
					"shortdesc": "Normal",
					"type": "rgb"
				},
				{
					"longdesc": "The corresponding depth map ready to be connected to the material",
					"name": "Depth",
					"shortdesc": "Depth",
					"type": "f"
				}
			],
			"seed": -6314,
			"type": "ios"
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		{
			"name": "gen_inputs",
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				"y": 140
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			},
			"ports": [
				{
					"group_size": 0,
					"longdesc": "The input height map",
					"name": "Bump",
					"shortdesc": "Input",
					"type": "f"
				}
			],
			"seed": 12483,
			"seed_locked": true,
			"type": "ios"
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			"name": "switch",
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				"amount": 1,
				"size": 10
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			"seed": -11547,
			"shader_model": {
				"code": "",
				"global": "",
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					{
						"default": "0.0",
						"function": true,
						"label": "",
						"name": "in",
						"type": "f"
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				],
				"instance": [
					"vec3 nm_$name(vec2 uv, float amount, float size) {",
					"\tvec3 e = vec3(1.0/size, -1.0/size, 0);",
					"\tvec2 rv;",
					"\tif ($algo == 0) {",
					"\t\trv = vec2(1.0, -1.0)*$in(uv+e.xy);",
					"\t\trv += vec2(-1.0, 1.0)*$in(uv-e.xy);",
					"\t\trv += vec2(1.0, 1.0)*$in(uv+e.xx);",
					"\t\trv += vec2(-1.0, -1.0)*$in(uv-e.xx);",
					"\t\trv += vec2(2.0, 0.0)*$in(uv+e.xz);",
					"\t\trv += vec2(-2.0, 0.0)*$in(uv-e.xz);",
					"\t\trv += vec2(0.0, 2.0)*$in(uv+e.zx);",
					"\t\trv += vec2(0.0, -2.0)*$in(uv-e.zx);",
					"\t\trv *= size*amount/128.0;",
					"\t} else if ($algo == 1) {",
					"\t\trv = vec2(3.0, -3.0)*$in(uv+e.xy);",
					"\t\trv += vec2(-3.0, 3.0)*$in(uv-e.xy);",
					"\t\trv += vec2(3.0, 3.0)*$in(uv+e.xx);",
					"\t\trv += vec2(-3.0, -3.0)*$in(uv-e.xx);",
					"\t\trv += vec2(10.0, 0.0)*$in(uv+e.xz);",
					"\t\trv += vec2(-10.0, 0.0)*$in(uv-e.xz);",
					"\t\trv += vec2(0.0, 10.0)*$in(uv+e.zx);",
					"\t\trv += vec2(0.0, -10.0)*$in(uv-e.zx);",
					"\t\trv *= size*amount/512.0;",
					"\t} else if ($algo == 2) {",
					"\t\trv = vec2(2.0, 0.0)*$in(uv+e.xz);",
					"\t\trv += vec2(-2.0, 0.0)*$in(uv-e.xz);",
					"\t\trv += vec2(0.0, 2.0)*$in(uv+e.zx);",
					"\t\trv += vec2(0.0, -2.0)*$in(uv-e.zx);",
					"\t\trv *= size*amount/64.0;",
					"\t} else {",
					"\t\trv = vec2(1.0, 0.0)*$in(uv+e.xz);",
					"\t\trv += vec2(0.0, 1.0)*$in(uv+e.zx);",
					"\t\trv += vec2(-1.0, -1.0)*$in(uv);",
					"\t\trv *= size*amount/20.0;",
					"\t}",
					"\treturn vec3(0.5)+0.5*normalize(vec3(rv, -1.0));",
					"}",
					""
				],
				"name": "Normal map",
				"outputs": [
					{
						"rgb": "nm_$name($uv, $amount, $size)",
						"type": "rgb"
					}
				],
				"parameters": [
					{
						"default": 3,
						"label": "",
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						"type": "enum",
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								"name": "Sobel",
								"value": "0"
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							{
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								"name": "Cheap",
								"value": "3"
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						"default": 9,
						"first": 4,
						"label": "",
						"last": 12,
						"name": "size",
						"type": "size"
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					{
						"control": "None",
						"default": 0.5,
						"label": "",
						"max": 2,
						"min": 0,
						"name": "amount",
						"step": 0.01,
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			"type": "shader"
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			"name": "buffer_2",
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			"parameters": {
				"f32": true,
				"filter": true,
				"mipmap": false,
				"size": 10
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			"seed_int": 0,
			"type": "buffer",
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			"name": "ensure_greyscale",
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			"name": "math",
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	"parameters": {
		"buffer": 1,
		"param2": 0,
		"size": 10,
		"strength": 1
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	"seed_int": 0,
	"shortdesc": "Normal map",
	"type": "graph"
}