GraphEditor-JS/index.html at main · Samarth-G/GraphEditor-JS · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
<!DOCTYPE html>
<html lang="en">
<head>
    <link rel="stylesheet" href="styles.css">
    <title>Graph Editor</title>
</head>
<body>
    <h1>Graph Editor</h1>
    <canvas id="myCanvas"></canvas>
    <div id="controls">
        <button onclick="dispose()">Clear</button>
        <button onclick="save()">Save</button>
    </div>

    <script src="js/graphEditor.js"></script>
    <script src="js/viewport.js"></script>
    <script src="js/math/graph.js"></script>
    <script src="js/math/utilities.js"></script>
    <script src="js/primitives/point.js"></script>
    <script src="js/primitives/segment.js"></script>
    <script>
        myCanvas.width = 600;
        myCanvas.height = 600;
        const ctx = myCanvas.getContext("2d");

        const graphString = localStorage.getItem("graph");
        const graphSaved = graphString ? JSON.parse(graphString) : null;
        const graph = graphSaved ? Graph.load(graphSaved) : new Graph();

        const viewport = new Viewport(myCanvas);
        const graphEditor = new GraphEditor(viewport, graph);

        animate();

        function animate() {
            viewport.reset();
            graphEditor.display();
            requestAnimationFrame(animate);
        }

        function dispose() {
            graphEditor.dispose();
        }

        function save() {
            localStorage.setItem("graph", JSON.stringify(graph));
        }
    </script>
</body>
</html>