InteractiveSVG.js/test_page.html at master · petercollingridge/InteractiveSVG.js · GitHub

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<!DOCTYPE HTML>
<html lang="en">

<head>
    <title>Interactive SVGs</title>
    <link rel="stylesheet" type="text/css" href="interactiveSVG.css">
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
    <script type="text/javascript" src="interactiveSVG.js"></script>

    <style type="text/css">
        .svg-wrapper {
            display: inline-block;
        }
    </style>

</head>

<body>
    <h1>Test page</h1>
    <p>This page contains multiple inline SVGs to make sure they don't interact with one another.</p>

    <p>Here is the first</p>
    <div id="svg0" class="svg-wrapper"></div>
    <div id="svg1" class="svg-wrapper"></div>
    <div id="svg2" class="svg-wrapper"></div>
    <div id="svg3" class="svg-wrapper"></div>
    <div id="svg4" class="svg-wrapper"></div>
    <div id="svg5" class="svg-wrapper"></div>
    <div id="svg6" class="svg-wrapper"></div>
    <div id="svg7" class="svg-wrapper"></div>
    <div id="svg8" class="svg-wrapper"></div>
    <div id="svg9" class="svg-wrapper"></div>
    <div id="svg10" class="svg-wrapper"></div>
    <div id="svg11" class="svg-wrapper"></div>
    <div id="svg12" class="svg-wrapper"></div>
    <div id="svg13" class="svg-wrapper"></div>

    <script type="text/javascript">
        (function() {
            var svg = InteractiveSVG.create('svg1', 400, 400);

            // Create circle for defining inversion
            var staticCenter = svg.addStaticPoint({ x: 200, y: 200 });
            svg.addCircle({ center: staticCenter, r: 100, static: true });

            var A = svg.addPoint({ x: 200, y: 180 });
            var B = svg.addPoint({ x: 220, y: 200 });
            var C = svg.addPoint({ x: 180, y: 200 });

            // Create circle that depends on three points
            var c = svg.addCircle({ center: {x: 200, y: 200}, r: 20, 'class': 'controllable-line' });
            c.addDependency([A, B, C], defineCircleFromThreePoints);
        })();

        // Line-line intersection
        (function() {
            var canvas1 = InteractiveSVG.create('svg2', 240, 200);
            var A = canvas1.addPoint({ x: 100, y: 150 });
            var B = canvas1.addPoint({ x: 200, y: 50 });
            var C = canvas1.addPoint({ x: 50, y: 25 });
            var D = canvas1.addPoint({ x: 150, y: 160 });
            var L1 = canvas1.addLine({ p1: A, p2: B });
            var L2 = canvas1.addLine({ p1: C, p2: D });

            // Make point E dependent on lines L1 and L2
            canvas1.addPoint({
                r: 4, static: true, class: 'generated-point'
            }).addDependency(
                [L1, L2],
                function(L1, L2) {
                    var intersection = lineLineIntersection(L1, L2);
                    if (intersection) {
                        L1.$element.attr("class", "line highlight-line");
                        L2.$element.attr("class", "line highlight-line");
                        return { cx: intersection.x, cy: intersection.y, visibility: 'visible' };
                    } else {
                        L1.$element.attr("class", "line controllable-line");
                        L2.$element.attr("class", "line controllable-line");
                        return { visibility: 'hidden' };
                    }
                }
            );
        })();

        InteractiveSVG.createFromJSON({
            id: 'svg4',
            width: 300,
            height: 200,
            points: [
                { label: "A", x: 100, y: 150 },
                { label: "B", x: 200, y: 50 }
            ],
            lines: [
                { p1: 'A', p2: 'B' },
                { p1: {x: 50, y: 25}, p2: {x: 150, y: 160} }
            ],
            circles: [
                { x: 125, y: 50, r: 30 }
            ]
        });

// Point example
(function() {
    var svg = InteractiveSVG.create('svg0', 200, 200);
    svg.addPoint({ x: 50, y: 50 });
    svg.addPoint(100, 80);
    svg.addStaticPoint(100, 120);
    svg.addPoint({ x: 150, y: 50, static: true });
    svg.addPoint({ x: 50, y: 150, r: 10 });
    svg.addPoint({ x: 150, y: 150, class: 'controllable-point' });
})();

(function() {
    var svg = InteractiveSVG.create('svg5', 200, 200);
    var A = svg.addPoint({ x: 80, y: 100 });
    svg.addPoint({ label: 'B', x: 120, y: 100 });
    A.update({r: 20});
    svg.elements.B.$element.addClass("highlight-point");
})();

// Line example
(function() {
    var svg = InteractiveSVG.create('svg6', 200, 200);
    var A = svg.addPoint({ x: 40, y: 75 });
    var B = svg.addPoint({ x: 160, y: 75 });
    svg.addLine({p1: A, p2: B});

    svg.addLine({p1: A, p2: {x: 40, y: 160}});
    svg.addLine({x1: 160, y1: 160, p2: B});
    svg.addLine({x1: 30, y1: 175, x2: 170, y2: 175});

    svg.addPoint({ label: 'C', x: 100, y: 25 });
    svg.addLine([A, 'C', B])
})();

// Circle example
(function() {
    var svg = InteractiveSVG.create('svg6', 200, 200);
    var A = svg.addPoint({ x: 50, y: 50 });
    var B = svg.addPoint({ x: 80, y: 50 });
    svg.addCircle({ center: A, r: B });
    svg.addCircle({ center: {x: 150, y: 50}, r: 30 });
    svg.addCircle({ cx: 50, cy: 150, r: 30 });
    svg.addPoint({ label: 'C', x: 120, y: 150 });
    svg.addCircle({ cx: 150, cy: 150, r: 'C' });
})();

// Bezier example
(function() {
    var svg = InteractiveSVG.create('svg3', 240, 200);
    var A = svg.addPoint({ x: 40, y: 160 });
    svg.addPoint({ label: 'B', x: 120, y: 25 });
    svg.addBezier({ p1: A, p2: 'B', p3: { x: 200, y: 160 } });
    svg.addBezier([A, {x: 25, y: 50}, {x: 175, y: 100}, 'B' ]);
})();

// Bezier example
(function() {
    var svg = InteractiveSVG.create('svg9', 240, 200);
    var A = svg.addPoint({ x: 40, y: 50 });
    var B = svg.addPoint({ x: 80, y: 150 });
    var C = svg.addPoint({ x: 120, y: 50 });
    var D = svg.addPoint({ x: 160, y: 150 });
    svg.addBezier([A, B, C, D], { showHandles: true });
})();

// Line circle intersections
(function() {
    var svg = InteractiveSVG.create('svg6', 200, 200);
    var A = svg.addPoint({ x: 40, y: 50 });
    var B = svg.addPoint({ x: 160, y: 50 });
    var C = svg.addPoint({ x: 100, y: 120 });
    svg.addLine({p1: A, p2: B});
    var circle = svg.addCircle({center: C, r: 60});

    var I1 = svg.addStaticPoint({ x: 100, y: 120, visibility: 'hidden', r: 4, class: 'point generated-point'});
    var I2 = svg.addStaticPoint({ x: 100, y: 120, visibility: 'hidden', r: 4, class: 'point generated-point'});

    var circleLineIntersection = function() {
        var dx = A.x - B.x;
        var dy = A.y - B.y;
        var dx2 = B.x - C.x;
        var dy2 = B.y - C.y;

        var a = dx * dx + dy * dy;
        var b = dx * dx2 + dy * dy2;
        var c = dx2 * dx2 + dy2 * dy2 - circle.r * circle.r;

        var discriminant = b * b - a * c;

        if (discriminant > 0) {
            discriminant = Math.sqrt(discriminant);

            var t = (-b - discriminant) / a;
            if (t >= 0 && t <= 1) {
                var x = B.x + t * dx;
                var y = B.y + t * dy;
                I1.update({cx: x, cy: y, visibility: 'visble'});
            } else {
                I1.update({visibility: 'hidden'});
            }

            var t = (-b + discriminant) / a;
            if (t >= 0 && t <= 1) {
                var x = B.x + t * dx;
                var y = B.y + t * dy;
                I2.update({cx: x, cy: y, visibility: 'visble'});
            } else {
                I2.update({visibility: 'hidden'});
            }
        } else {
            I1.update({visibility: 'hidden'});
            I2.update({visibility: 'hidden'});
        }
    };

    A.dependents.push(circleLineIntersection);
    B.dependents.push(circleLineIntersection);
    C.dependents.push(circleLineIntersection);
})();

// Midpoints
(function() {
    var svg = InteractiveSVG.create('svg10', 200, 200);
    var A = svg.addPoint({ x: 100, y: 20 });
    var B = svg.addPoint({ x: 160, y: 20 });
    var C = svg.addPoint({ x: 150, y: 140 });
    var D = svg.addPoint({ x: 20, y: 180 });
    svg.addLine([A, B, C, D, A]);

    var m1 = svg.addMidPoint(A, B);
    var m2 = svg.addMidPoint(B, C);
    var m3 = svg.addMidPoint(C, D);
    var m4 = svg.addMidPoint(D, A);
    svg.addLine([m1, m2, m3, m4, m1]);
})();

// Dependency example
(function() {
    var svg = InteractiveSVG.create('svg11', 200, 200);
    var A = svg.addPoint({ x: 100, y: 20 });
    var B = svg.addPoint({ x: 160, y: 160 });
    svg.addStaticPoint({
        x: 160, y: 20, class: 'generated-point'
    }).addDependency(
        [A, B],
        function(A, B) {
            return { cx: A.x, cy: B.y };
        }
    );
})();

// Text example
(function() {
    var svg = InteractiveSVG.create('svg12', 200, 200);
    var P = svg.addPoint({ x: 100, y: 40 });
    svg.addText({
        x: 100, y: 20, value: "100"
    }).addDependency(
        // Make the value of the text depend on the position of the point
        P, function(P) {
            return { value: P.x };
        }
    );

    svg.addText({
        x: 100, y: 40, dynamicValue: [P, 'x']
    });
})();

// Linked attributes example
(function() {
    var svg = InteractiveSVG.create('svg13', 200, 200);
    var A = svg.addPoint(100, 20);
    var B = svg.addPoint(160, 160);
    var C = svg.addPoint(10, 10);

    svg.linkAttributes(A, 'x', C, 'x');
    svg.linkAttributes(B, 'y', C, 'y');
})();

    </script>
</body>
</html>