{
	"name": "sdsmoothboolean",
	"node_position": {
		"x": 0,
		"y": 0
	},
	"parameters": {
		"k": 0.15,
		"op": 0
	},
	"seed_int": 0,
	"shader_model": {
		"code": "",
		"global": [
			"float sdSmoothUnion( float d1, float d2, float k ) {",
			"\tfloat h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );",
			"\treturn mix( d2, d1, h ) - k*h*(1.0-h); }",
			"",
			"float sdSmoothSubtraction( float d1, float d2, float k ) {",
			"\tfloat h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );",
			"\treturn mix( d2, -d1, h ) + k*h*(1.0-h); }",
			"",
			"float sdSmoothIntersection( float d1, float d2, float k ) {",
			"\tfloat h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );",
			"\treturn mix( d2, d1, h ) + k*h*(1.0-h); }",
			""
		],
		"inputs": [
			{
				"default": "0.0",
				"label": "",
				"longdesc": "The first shape, defined as a signed distance function",
				"name": "in1",
				"shortdesc": "Input1",
				"type": "sdf2d"
			},
			{
				"default": "0.0",
				"label": "",
				"longdesc": "The second shape, defined as a signed distance function",
				"name": "in2",
				"shortdesc": "Input2",
				"type": "sdf2d"
			}
		],
		"instance": "",
		"longdesc": "Performs a smooth boolean operation (union, intersection or difference) between two shapes",
		"name": "sdSmoothBoolean",
		"outputs": [
			{
				"longdesc": "The shape generated by the boolean operation",
				"sdf2d": "sdSmooth$op($in1($uv), $in2($uv), $k)",
				"shortdesc": "Output",
				"type": "sdf2d"
			}
		],
		"parameters": [
			{
				"default": 0,
				"label": "",
				"longdesc": "The operation performed by this node",
				"name": "op",
				"shortdesc": "Operation",
				"type": "enum",
				"values": [
					{
						"name": "Union",
						"value": "Union"
					},
					{
						"name": "Subtraction",
						"value": "Subtraction"
					},
					{
						"name": "Intersection",
						"value": "Intersection"
					}
				]
			},
			{
				"control": "None",
				"default": 0,
				"label": "",
				"longdesc": "The smoothness of the boolean operation",
				"max": 1,
				"min": 0,
				"name": "k",
				"shortdesc": "Smoothness",
				"step": 0.01,
				"type": "float"
			}
		],
		"shortdesc": "sdSmoothBoolean"
	},
	"type": "shader"
}