{
    "nodes": [
        {
            "datums": [
                {
                    "expr": "0",
                    "name": "x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0",
                    "name": "y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "3",
                    "name": "N",
                    "type": "int",
                    "uid": 2
                },
                {
                    "expr": "1.5\n",
                    "name": "r",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('m-Xf0-Yf0-Zf0aam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-0.75Ym-Xf0-Yf0-Zf0m+*f-0.5X*f0.866025Y+*f-0.866025X*f-0.5Y_m-Xf0-Yf0-Zf0-f-0.75Ym-Xf0-Yf0-Zf0m+*f-0.5X*f-0.866025Y+*f0.866025X*f-0.5Y_m-Xf0-Yf0-Zf0-f-0.75Y',float('-1.500000'),float('-1.500000'),float('-inf'),float('1.500000'),float('1.500000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -451.76388222470047,
                -362.669378407898
            ],
            "name": "p0",
            "script": [
                "# Neil Gershenfeld 2/14/15",
                "# Matt Keeter 6/12/15",
                "",
                "import fab",
                "import math",
                "",
                "title('Polygon')",
                "",
                "input('x', float)",
                "input('y', float)",
                "input('N', int)",
                "input('r', float)",
                "",
                "output('shape', fab.shapes.move(fab.shapes.polygon_radius(x, y, r, N), x, y))",
                "",
                "# UI",
                "# (we need to do a bit of work to make the UI work for both even and",
                "#  odd vertex counts; otherwise it will be off for one or the other)",
                "a_ = 0 if (N % 2) else (math.pi / N)",
                "sb.ui.wireframe([",
                "    (x + r * math.sin(a_ + a * math.pi * 2/N),",
                "     y + r * math.cos(a_ + a * math.pi * 2/N), 0)",
                "    for a in range(N)], close=True)",
                "sb.ui.point(x, y)",
                "sb.ui.point(x + r * math.sin(a_), y + r * math.cos(a_),",
                "             drag=(None, r, None))",
                ""
            ],
            "uid": 0
        },
        {
            "datums": [
                {
                    "expr": "0",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__0.__3]",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.2",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "1.25",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125',float('-0.100000'),float('0.875000'),float('-inf'),float('0.100000'),float('2.125000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -152.90849704920186,
                -307.4297302203029
            ],
            "name": "r0",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 1
        },
        {
            "datums": [
                {
                    "expr": "0",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "1.2",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.3",
                    "name": "x1",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "1.5",
                    "name": "y1",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "-0.3",
                    "name": "x2",
                    "type": "float",
                    "uid": 4
                },
                {
                    "expr": "1.5",
                    "name": "y2",
                    "type": "float",
                    "uid": 5
                },
                {
                    "expr": "\u0012fab.types.Shape('ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5',float('-0.300000'),float('1.200000'),float('-inf'),float('0.300000'),float('1.500000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 6
                }
            ],
            "inspector": [
                -145.6394477719945,
                -95.47068022075567
            ],
            "name": "t0",
            "script": [
                "import fab",
                "",
                "title('Triangle')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('x1', float)",
                "input('y1', float)",
                "input('x2', float)",
                "input('y2', float)",
                "",
                "output('shape', fab.shapes.triangle(x0, y0, x1, y1, x2, y2))",
                "",
                "# UI",
                "sb.ui.wireframe([(x0, y0, 0), (x1, y1, 0), (x2, y2, 0)], close=True)",
                "sb.ui.point(x0, y0, 0)",
                "sb.ui.point(x1, y1, 0)",
                "sb.ui.point(x2, y2, 0)",
                ""
            ],
            "uid": 2
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__1.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__2.__6]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5',float('-0.300000'),float('0.875000'),float('-inf'),float('0.300000'),float('2.125000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                162.63412515858852,
                -157.2467184300246
            ],
            "name": "u0",
            "script": [
                "import fab.types",
                "",
                "title('Union')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a | b)",
                ""
            ],
            "uid": 3
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__3.__2]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "0.0",
                    "name": "x",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.0",
                    "name": "y",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__0.__2]",
                    "name": "n",
                    "type": "int",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('iim-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf-0-Yf-0-Zf0iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5m-Xf0-Yf0-Zf0m+*f-0.5X*f0.866025Y+*f-0.866025X*f-0.5Y_m-Xf-0-Yf-0-Zf0iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5m-Xf0-Yf0-Zf0m+*f-0.5X*f-0.866025Y+*f0.866025X*f-0.5Y_m-Xf-0-Yf-0-Zf0iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5',float('-1.990303'),float('-1.322307'),float('-inf'),float('1.990303'),float('2.125000'),float('inf'))",
                    "name": "array",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                422.86885683814637,
                -401.32362109735936
            ],
            "name": "a0",
            "script": [
                "import fab",
                "import math",
                "",
                "title('Array (polar)')",
                "",
                "input('shape', fab.types.Shape)",
                "input('x', float)",
                "input('y', float)",
                "input('n', int)",
                "",
                "output('array', fab.shapes.iterate_polar(shape, x, y, n))",
                "",
                "# UI",
                "sb.ui.wireframe([",
                "    (math.cos(i/36. * 2*math.pi) * 0.3 + x,",
                "     math.sin(i/36. * 2*math.pi) * 0.3 + y, 0)",
                "    for i in range(36)], close=True, color=sb.color.teal)",
                "",
                "sb.ui.point(x, y, 0, color=sb.color.teal)",
                ""
            ],
            "uid": 4
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__0.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__4.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('am-Xf0-Yf0-Zf0aam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-0.75Ym-Xf0-Yf0-Zf0m+*f-0.5X*f0.866025Y+*f-0.866025X*f-0.5Y_m-Xf0-Yf0-Zf0-f-0.75Ym-Xf0-Yf0-Zf0m+*f-0.5X*f-0.866025Y+*f0.866025X*f-0.5Y_m-Xf0-Yf0-Zf0-f-0.75Yniim-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf-0-Yf-0-Zf0iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5m-Xf0-Yf0-Zf0m+*f-0.5X*f0.866025Y+*f-0.866025X*f-0.5Y_m-Xf-0-Yf-0-Zf0iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5m-Xf0-Yf0-Zf0m+*f-0.5X*f-0.866025Y+*f0.866025X*f-0.5Y_m-Xf-0-Yf-0-Zf0iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5',float('-1.500000'),float('-1.500000'),float('-inf'),float('1.500000'),float('1.500000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                734.2147476858345,
                -241.82127904623016
            ],
            "name": "d0",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 5
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__5.__2]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0012fab.types.Shape('am-Xf0-Yf0-Zf0aam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-0.75Ym-Xf0-Yf0-Zf0m+*f-0.5X*f0.866025Y+*f-0.866025X*f-0.5Y_m-Xf0-Yf0-Zf0-f-0.75Ym-Xf0-Yf0-Zf0m+*f-0.5X*f-0.866025Y+*f0.866025X*f-0.5Y_m-Xf0-Yf0-Zf0-f-0.75Yniim-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf-0-Yf-0-Zf0iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5m-Xf0-Yf0-Zf0m+*f-0.5X*f0.866025Y+*f-0.866025X*f-0.5Y_m-Xf-0-Yf-0-Zf0iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5m-Xf0-Yf0-Zf0m+*f-0.5X*f-0.866025Y+*f0.866025X*f-0.5Y_m-Xf-0-Yf-0-Zf0iaa-f-0.1X-Xf0.1a-f0.875Y-Yf2.125ni-*f-0.3-Xf0.3*f-0.3-Yf1.5i-*f0.3-Xf0*f-0.3-Yf1.2-*f0-Xf-0.3*f0.6-Yf1.5',float('-1.500000'),float('-1.500000'),float('-inf'),float('1.500000'),float('1.500000'),float('inf'))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                }
            ],
            "inspector": [
                906.3562302321152,
                -69.0080580214959
            ],
            "name": "h0",
            "script": [
                "import fab",
                "",
                "title('Heightmap (.png)')",
                "",
                "input('shape', fab.types.Shape)",
                "output('out', shape)",
                "",
                "sb.export.heightmap(shape)",
                ""
            ],
            "uid": 6
        }
    ],
    "protocol": 6,
    "type": "sb"
}