{
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   "cell_type": "code",
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    {
     "data": {
      "application/javascript": [
       "\n",
       "        var component = document.getElementById(\"sketch_13\");\n",
       "        if (component != undefined)\n",
       "            component.remove();\n",
       "        component = document.getElementById(\"state_13\");\n",
       "        if (component != undefined)\n",
       "            component.remove();\n",
       "        component = document.getElementById(\"controls_div_13\");\n",
       "        if (component != undefined)\n",
       "            component.remove();\n",
       "        require([window.location.protocol + \"//calysto.github.io/javascripts/processing/processing.js\"], function() {\n",
       "            // FIXME: Stop all previously running versions (?)\n",
       "            var processingInstance = Processing.getInstanceById(\"canvas_13\");\n",
       "            if (processingInstance != undefined && processingInstance.isRunning())\n",
       "                processingInstance.noLoop();\n",
       "        });\n",
       "        "
      ],
      "text/plain": [
       "<IPython.core.display.Javascript object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "text/html": [
       "\n",
       "<div id=\"canvas_div_13\">\n",
       "  <b>Sketch #13:</b><br/>\n",
       "  <canvas id=\"canvas_13\"></canvas><br/>\n",
       "</div>\n",
       "<div id=\"controls_div_13\">\n",
       "  <button id=\"run_button_13\" onclick=\"startSketch('13');\">\n",
       "    <i class=\"fa fa-play-circle-o\" style=\"size: 2em;\"></i>\n",
       "        Run\n",
       "  </button>\n",
       "  <button id=\"pause_button_13\" onclick=\"pauseSketch('13');\">\n",
       "    <i class=\"fa fa-pause\" style=\"size: 2em;\"></i>\n",
       "        Pause\n",
       "  </button>\n",
       "  <button id=\"setup_button_13\" onclick=\"setupSketch('13');\">\n",
       "    setup()\n",
       "  </button>\n",
       "  <button id=\"draw_button_13\" onclick=\"drawSketch('13');\">\n",
       "    draw()\n",
       "  </button>\n",
       "</div>\n",
       "<b>Sketch #13 state:</b> <span id=\"state_13\">Loading...</span><br/>\n",
       "<script>\n",
       "\n",
       "function change_button(button, disable) {\n",
       "    button.disabled = disable;\n",
       "    if (disable) {\n",
       "        button.style.color = \"grey\";\n",
       "    } else {\n",
       "        button.style.color = \"black\";\n",
       "    }\n",
       "}\n",
       "\n",
       "function startSketch(id) {\n",
       "    switchSketchState(id, true);\n",
       "}\n",
       "\n",
       "function pauseSketch(id) {\n",
       "    switchSketchState(id, false);\n",
       "}\n",
       "\n",
       "function drawSketch(id) {\n",
       "    var processingInstance = Processing.getInstanceById(\"canvas_\" + id);\n",
       "    if (processingInstance != undefined) {\n",
       "        if (processingInstance.draw != undefined) {\n",
       "            document.getElementById(\"state_\" + id).innerHTML = \"Drawing...\";\n",
       "            try {\n",
       "                processingInstance.redraw();\n",
       "                document.getElementById(\"state_\" + id).innerHTML = \"Drawing... done! Paused.\";\n",
       "                document.getElementById(\"state_\" + id).style.color = \"blue\";\n",
       "            } catch (e) {\n",
       "                processingInstance.println(e.toString());\n",
       "                document.getElementById(\"state_\" + id).innerHTML = e.toString();\n",
       "                document.getElementById(\"state_\" + id).style.color = \"red\";\n",
       "            }\n",
       "        } else {\n",
       "            document.getElementById(\"state_\" + id).innerHTML = \"No drawing() function. Paused.\";\n",
       "            document.getElementById(\"state_\" + id).style.color = \"blue\";\n",
       "        }\n",
       "    } else {\n",
       "        document.getElementById(\"state_\" + id).innerHTML = \"Error.\";\n",
       "        document.getElementById(\"state_\" + id).style.color = \"red\";\n",
       "    }\n",
       "    change_button(document.getElementById(\"run_button_\" + id), processingInstance.draw == undefined);\n",
       "    change_button(document.getElementById(\"pause_button_\" + id), true);\n",
       "    change_button(document.getElementById(\"setup_button_\" + id), processingInstance.setup == undefined);\n",
       "    change_button(document.getElementById(\"draw_button_\" + id), processingInstance.draw == undefined);\n",
       "}\n",
       "\n",
       "function setupSketch(id) {\n",
       "    var processingInstance = Processing.getInstanceById(\"canvas_\" + id);\n",
       "    if (processingInstance != undefined) {\n",
       "        if (processingInstance.setup != undefined) {\n",
       "            document.getElementById(\"state_\" + id).innerHTML = \"Setting up...\";\n",
       "            try {\n",
       "                processingInstance.setup();\n",
       "                document.getElementById(\"state_\" + id).innerHTML = \"Setting up... done! Paused.\";\n",
       "                document.getElementById(\"state_\" + id).style.color = \"blue\";\n",
       "            } catch (e) {\n",
       "                processingInstance.println(e.toString());\n",
       "                document.getElementById(\"state_\" + id).innerHTML = e.toString();\n",
       "                document.getElementById(\"state_\" + id).style.color = \"red\";\n",
       "            }\n",
       "        } else {\n",
       "            document.getElementById(\"state_\" + id).innerHTML = \"No setup() function. Paused.\";\n",
       "            document.getElementById(\"state_\" + id).style.color = \"blue\";\n",
       "        }\n",
       "    } else {\n",
       "        document.getElementById(\"state_\" + id).innerHTML = \"Error.\";\n",
       "        document.getElementById(\"state_\" + id).style.color = \"red\";\n",
       "    }\n",
       "    change_button(document.getElementById(\"run_button_\" + id), processingInstance.draw == undefined);\n",
       "    change_button(document.getElementById(\"pause_button_\" + id), true);\n",
       "    change_button(document.getElementById(\"setup_button_\" + id), processingInstance.setup == undefined);\n",
       "    change_button(document.getElementById(\"draw_button_\" + id), processingInstance.draw == undefined);\n",
       "}\n",
       "\n",
       "function switchSketchState(id, on) {\n",
       "    var processingInstance = Processing.getInstanceById(\"canvas_\" + id);\n",
       "    if (on) {\n",
       "        document.getElementById(\"state_\" + id).innerHTML = \"Running...\";\n",
       "        document.getElementById(\"state_\" + id).style.color = \"green\";\n",
       "        change_button(document.getElementById(\"run_button_\" + id), true);\n",
       "        change_button(document.getElementById(\"pause_button_\" + id), processingInstance.draw == undefined);\n",
       "        change_button(document.getElementById(\"setup_button_\" + id),  true);\n",
       "        change_button(document.getElementById(\"draw_button_\" + id), true);\n",
       "        processingInstance.loop();  // call Processing loop() function\n",
       "    } else {\n",
       "        document.getElementById(\"state_\" + id).innerHTML = \"Paused.\";\n",
       "        document.getElementById(\"state_\" + id).style.color = \"blue\";\n",
       "        change_button(document.getElementById(\"run_button_\" + id), processingInstance.draw == undefined);\n",
       "        change_button(document.getElementById(\"pause_button_\" + id), true);\n",
       "        change_button(document.getElementById(\"setup_button_\" + id), processingInstance.setup == undefined);\n",
       "        change_button(document.getElementById(\"draw_button_\" + id), processingInstance.draw == undefined);\n",
       "        processingInstance.noLoop(); // stop animation, call noLoop()\n",
       "    }\n",
       "}\n",
       "\n",
       "require([window.location.protocol + \"//calysto.github.io/javascripts/processing/processing.js\"], function () {\n",
       "    var processingCode = 'class Bird {\\n    int x;\\n    int y;\\n    color bird_color;\\n    \\n    Bird(int x, int y, color bird_color) {\\n        this.x = x;\\n        this.y = y;\\n        this.bird_color = bird_color;\\n    }\\n    void draw() {\\n        fill(this.bird_color);\\n        ellipse(this.x, this.y, 10, 20);\\n    }\\n    void move() {\\n        this.x += 1;\\n    }\\n    void fly() {\\n        this.y -= 1;\\n    }\\n}\\n\\nclass Banana {\\n    int x;\\n    int y;\\n    \\n    Banana(int x, int y) {\\n        this.x = x;\\n        this.y = y;\\n    }\\n    void draw() {\\n        fill(color(255, 255, 0));\\n        ellipse(this.x, this.y, 10, 60);\\n    }\\n }\\n\\nBird bird0;\\nBird bird1;\\nBird bigbird;\\nBird bluejay;\\n\\nBanana the_banana;\\n\\nvoid setup() {\\n    bird0 = new Bird(10, 10, color(255, 0, 0));\\n    bird1 = new Bird(20, 10, color(0, 255, 0));\\n    bigbird = new Bird(40, 50, color(255, 255, 0));\\n    bluejay = new Bird(60, 70, color(0, 0, 255));\\n    the_banana = new Banana(50, 50);\\n}\\n\\nvoid draw() {\\n    background(color(0, 128, 0));\\n    bird0.move();\\n    bird1.move();\\n    bigbird.move();\\n    bluejay.fly();\\n    \\n    bird0.draw();\\n    bird1.draw();\\n    bigbird.draw();\\n    bluejay.draw();\\n    \\n    the_banana.draw();\\n}';\n",
       "    var cc;\n",
       "    var processingInstance;\n",
       "    var has_error = false;\n",
       "    try {\n",
       "        cc = Processing.compile(processingCode);\n",
       "    } catch (e) {\n",
       "        console.log(e);\n",
       "        cc = Processing.compile(\"println('\" + e.toString() + \"');\");\n",
       "        document.getElementById(\"state_13\").innerHTML = e.toString();\n",
       "        document.getElementById(\"state_13\").style.color = \"red\";\n",
       "        has_error = true;\n",
       "    }\n",
       "    if (cc != undefined) {\n",
       "        try {\n",
       "            processingInstance = new Processing(\"canvas_13\", cc);\n",
       "        } catch (e) {\n",
       "            console.log(e);\n",
       "            cc = Processing.compile(\"println('\" + e.toString() + \"');\");\n",
       "            document.getElementById(\"state_13\").innerHTML = e.toString();\n",
       "            document.getElementById(\"state_13\").style.color = \"red\";\n",
       "            processingInstance = new Processing(\"canvas_13\", cc);\n",
       "            has_error = true;\n",
       "        }\n",
       "    }\n",
       "    if (processingInstance != undefined) {\n",
       "        setTimeout(function () {\n",
       "            // Canvas:\n",
       "            if (processingInstance.externals.context === undefined) {\n",
       "                document.getElementById(\"canvas_div_13\").style.display = \"none\";\n",
       "            }\n",
       "        }, 100);\n",
       "        // Controls:\n",
       "        if (!(processingInstance.isRunning() && processingInstance.draw != undefined)) {\n",
       "            document.getElementById(\"controls_div_13\").style.display = \"none\";\n",
       "        }\n",
       "        if (processingInstance.draw != undefined) {\n",
       "            if (!has_error) {\n",
       "                document.getElementById(\"state_13\").innerHTML = \"Running...\";\n",
       "                document.getElementById(\"state_13\").style.color = \"green\";\n",
       "            }\n",
       "            change_button(document.getElementById(\"run_button_13\"), true);\n",
       "            change_button(document.getElementById(\"pause_button_13\"), false);\n",
       "            change_button(document.getElementById(\"setup_button_13\"),  true);\n",
       "            change_button(document.getElementById(\"draw_button_13\"), true);\n",
       "        } else {\n",
       "            if (!has_error) {\n",
       "                document.getElementById(\"state_13\").innerHTML = \"Done.\";\n",
       "                document.getElementById(\"state_13\").style.color = \"blue\";\n",
       "            }\n",
       "            change_button(document.getElementById(\"run_button_13\"), true);\n",
       "            change_button(document.getElementById(\"pause_button_13\"), true);\n",
       "            change_button(document.getElementById(\"setup_button_13\"),  processingInstance.setup == undefined);\n",
       "            change_button(document.getElementById(\"draw_button_13\"), true);\n",
       "        }\n",
       "    } else {\n",
       "        document.getElementById(\"canvas_div_13\").style.display = \"none\";\n",
       "        document.getElementById(\"controls_div_13\").style.display = \"none\";\n",
       "        if (!has_error) {\n",
       "            document.getElementById(\"state_13\").innerHTML = \"Error.\";\n",
       "            document.getElementById(\"state_13\").style.color = \"red\";\n",
       "        }\n",
       "        change_button(document.getElementById(\"run_button_13\"), true);\n",
       "        change_button(document.getElementById(\"pause_button_13\"), true);\n",
       "        change_button(document.getElementById(\"setup_button_13\"),  true);\n",
       "        change_button(document.getElementById(\"draw_button_13\"), true);\n",
       "    }\n",
       "});\n",
       "\n",
       "</script>\n"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "class Bird {\n",
    "    int x;\n",
    "    int y;\n",
    "    color bird_color;\n",
    "    \n",
    "    Bird(int x, int y, color bird_color) {\n",
    "        this.x = x;\n",
    "        this.y = y;\n",
    "        this.bird_color = bird_color;\n",
    "    }\n",
    "    void draw() {\n",
    "        fill(this.bird_color);\n",
    "        ellipse(this.x, this.y, 10, 20);\n",
    "    }\n",
    "    void move() {\n",
    "        this.x += 1;\n",
    "    }\n",
    "    void fly() {\n",
    "        this.y -= 1;\n",
    "    }\n",
    "}\n",
    "\n",
    "class Banana {\n",
    "    int x;\n",
    "    int y;\n",
    "    \n",
    "    Banana(int x, int y) {\n",
    "        this.x = x;\n",
    "        this.y = y;\n",
    "    }\n",
    "    void draw() {\n",
    "        fill(color(255, 255, 0));\n",
    "        ellipse(this.x, this.y, 10, 60);\n",
    "    }\n",
    " }\n",
    "\n",
    "Bird bird0;\n",
    "Bird bird1;\n",
    "Bird bigbird;\n",
    "Bird bluejay;\n",
    "\n",
    "Banana the_banana;\n",
    "\n",
    "void setup() {\n",
    "    bird0 = new Bird(10, 10, color(255, 0, 0));\n",
    "    bird1 = new Bird(20, 10, color(0, 255, 0));\n",
    "    bigbird = new Bird(40, 50, color(255, 255, 0));\n",
    "    bluejay = new Bird(60, 70, color(0, 0, 255));\n",
    "    the_banana = new Banana(50, 50);\n",
    "}\n",
    "\n",
    "void draw() {\n",
    "    background(color(0, 128, 0));\n",
    "    bird0.move();\n",
    "    bird1.move();\n",
    "    bigbird.move();\n",
    "    bluejay.fly();\n",
    "    \n",
    "    bird0.draw();\n",
    "    bird1.draw();\n",
    "    bigbird.draw();\n",
    "    bluejay.draw();\n",
    "    \n",
    "    the_banana.draw();\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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    "collapsed": true
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   "outputs": [],
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