{
    "nodes": [
        {
            "datums": [
                {
                    "expr": "0.0",
                    "name": "x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0.0",
                    "name": "y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "2",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "2",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "0.25",
                    "name": "r",
                    "type": "float",
                    "uid": 4
                },
                {
                    "expr": "\u0012fab.types.Shape('iiiiiaa-f-1X-Xf1a-f-0.75Y-Yf0.75aa-f-0.75X-Xf0.75a-f-1Y-Yf1-r+q-Xf-0.75q-Yf-0.75f0.25-r+q-Xf-0.75q-Yf0.75f0.25-r+q-Xf0.75q-Yf-0.75f0.25-r+q-Xf0.75q-Yf0.75f0.25',float('-1.000000'),float('-1.000000'),float('-inf'),float('1.000000'),float('1.000000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 5
                }
            ],
            "inspector": [
                -281.5078125,
                -277
            ],
            "name": "r0",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rounded rectangle (center)')",
                "",
                "input('x', float)",
                "input('y', float)",
                "input('width', float)",
                "input('height', float)",
                "input('r', float)",
                "",
                "xmin, xmax = x - width/2, x + width/2",
                "ymin, ymax = y - height/2, y + height/2",
                "",
                "# This is the circle's radius in actual units (not a 0-1 fraction)",
                "r_ = r * min(width, height)/2",
                "",
                "output('shape', fab.shapes.rounded_rectangle(xmin, xmax, ymin, ymax, r))",
                "",
                "def drag_r(this, x, y, z):",
                "    if abs(this.width) < abs(this.height):",
                "        d = abs(this.width)",
                "        mid = this.y + this.height/2 - d/2",
                "    else:",
                "        d = abs(this.width)",
                "        mid = this.y",
                "    r = 1 - (y - mid) / (d/2)",
                "    this.r = float(min(1, max(0, r)))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.height = abs(2 * (y - this.y))",
                "   this.width = abs(2 * (x - this.x))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.wireframe([(xmax - r_, ymax, 0), (xmax, ymax - r_, 0)])",
                "sb.ui.point(x, y)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                "sb.ui.point(xmax, ymax - r_, drag=drag_r, relative=False)",
                "",
                ""
            ],
            "uid": 0
        },
        {
            "datums": [
                {
                    "expr": "1",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": ".14",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "1.414",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707',float('0.930000'),float('-0.707000'),float('-inf'),float('1.070000'),float('0.707000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -266,
                -54
            ],
            "name": "r1",
            "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": "r1.x0",
                    "name": "x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "r1.y0",
                    "name": "y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.0",
                    "name": "_z",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "-45",
                    "name": "a",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0011[__1.__4]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                },
                {
                    "expr": "\u0012fab.types.Shape('m-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707',float('0.450578'),float('-0.549422'),float('-inf'),float('1.549422'),float('0.549422'),float('inf'))",
                    "name": "rotated",
                    "type": "_fabtypes.Shape",
                    "uid": 5
                }
            ],
            "inspector": [
                -116.77155916467842,
                110.47524270870255
            ],
            "name": "r2",
            "script": [
                "import fab",
                "import math",
                "",
                "title('Rotate (Z)')",
                "",
                "input('x', float)",
                "input('y', float)",
                "input('_z', float)",
                "input('a', float)",
                "",
                "input('shape', fab.types.Shape)",
                "output('rotated', fab.shapes.rotate_z(shape, a, x, y))",
                "",
                "# UI",
                "rad = math.radians(a)",
                "sb.ui.wireframe([(x + math.cos(rad), y + math.sin(rad), _z),",
                "                  (x, y, _z),",
                "                  (x + 1, y, _z)], color=sb.color.teal)",
                "",
                "# Draw a semi-circular arc showing the rotation",
                "if int(a) % 360 != 0:",
                "    sb.ui.wireframe([",
                "        (x + math.cos(math.radians(a_)) * 0.3,",
                "         y + math.sin(math.radians(a_)) * 0.3, _z)",
                "        for a_ in range(int(a) % 360)], color=sb.color.teal)",
                "",
                "sb.ui.point(x, y, _z, color=sb.color.teal)",
                "",
                "def drag_pt(this, x, y, z):",
                "    this.a = math.degrees(math.atan2(y - this.y, x - this.x))",
                "sb.ui.point(x + math.cos(rad), y + math.sin(rad), _z,",
                "             color=sb.color.teal, drag=drag_pt, relative=False)",
                "",
                ""
            ],
            "uid": 2
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__0.__5]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__5.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('aiiiiiaa-f-1X-Xf1a-f-0.75Y-Yf0.75aa-f-0.75X-Xf0.75a-f-1Y-Yf1-r+q-Xf-0.75q-Yf-0.75f0.25-r+q-Xf-0.75q-Yf0.75f0.25-r+q-Xf0.75q-Yf-0.75f0.25-r+q-Xf0.75q-Yf0.75f0.25niiim-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025m-Xf0-Yf0-Zf0m+*f6.12323e-17X*f1Y+*f-1X*f6.12323e-17Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025m-Xf0-Yf0-Zf0m+*f-1X*f1.22465e-16Y+*f-1.22465e-16X*f-1Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025m-Xf0-Yf0-Zf0m+*f-1.83697e-16X*f-1Y+*f1X*f-1.83697e-16Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025',float('-1.000000'),float('-1.000000'),float('-inf'),float('1.000000'),float('1.000000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                226.27372835253982,
                -319.96519399851354
            ],
            "name": "d0",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 3
        },
        {
            "datums": [
                {
                    "expr": "r1.x0",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "r1.y0-.10",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.15",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": ".15",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025',float('0.925000'),float('-0.175000'),float('-inf'),float('1.075000'),float('-0.025000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -268.70005241864112,
                475.52838224088453
            ],
            "name": "r3",
            "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": 4
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__2.__5,__4.__4]",
                    "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": "4",
                    "name": "n",
                    "type": "int",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('iiim-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025m-Xf0-Yf0-Zf0m+*f6.12323e-17X*f1Y+*f-1X*f6.12323e-17Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025m-Xf0-Yf0-Zf0m+*f-1X*f1.22465e-16Y+*f-1.22465e-16X*f-1Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025m-Xf0-Yf0-Zf0m+*f-1.83697e-16X*f-1Y+*f1X*f-1.83697e-16Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025',float('-1.549422'),float('-1.549422'),float('-inf'),float('1.549422'),float('1.549422'),float('inf'))",
                    "name": "array",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                206.82832982224346,
                277.53886993241213
            ],
            "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": 5
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__3.__2]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0012fab.types.Shape('aiiiiiaa-f-1X-Xf1a-f-0.75Y-Yf0.75aa-f-0.75X-Xf0.75a-f-1Y-Yf1-r+q-Xf-0.75q-Yf-0.75f0.25-r+q-Xf-0.75q-Yf0.75f0.25-r+q-Xf0.75q-Yf-0.75f0.25-r+q-Xf0.75q-Yf0.75f0.25niiim-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025m-Xf0-Yf0-Zf0m+*f6.12323e-17X*f1Y+*f-1X*f6.12323e-17Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025m-Xf0-Yf0-Zf0m+*f-1X*f1.22465e-16Y+*f-1.22465e-16X*f-1Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025m-Xf0-Yf0-Zf0m+*f-1.83697e-16X*f-1Y+*f1X*f-1.83697e-16Y_m-Xf-0-Yf-0-Zf0im-Xf1-Yf0-Zf0m+*f0.707107X*f-0.707107Y+*f0.707107X*f0.707107Y_m-Xf-1-Yf-0-Zf0aa-f0.93X-Xf1.07a-f-0.707Y-Yf0.707aa-f0.925X-Xf1.075a-f-0.175Y-Yf-0.025',float('-1.000000'),float('-1.000000'),float('-inf'),float('1.000000'),float('1.000000'),float('inf'))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                }
            ],
            "inspector": [
                551.5422128593159,
                -182.07964078368443
            ],
            "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"
}