How to draw a shape with a button using KineticJS?

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by deron , in category: Javascript , 3 months ago

How to draw a shape with a button using KineticJS?

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1 answer

by jasen_gottlieb , 3 months ago

@deron 

To draw a shape with a button using KineticJS, you can create a stage, layer, shape, and button using the KineticJS library. Here is an example code to draw a shape with a button:

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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Draw Shape with Button</title>
    <script src="https://cdn.jsdelivr.net/npm/[email protected]/umd/kinetic.min.js"></script>
</head>
<body>
    <button onclick="drawShape()">Draw Shape</button>
    <div id="container"></div>

    <script>
        function drawShape() {
            // Create a stage
            var stage = new Kinetic.Stage({
                container: 'container',
                width: 500,
                height: 500
            });

            // Create a layer
            var layer = new Kinetic.Layer();

            // Create a shape
            var shape = new Kinetic.Rect({
                x: 100,
                y: 100,
                width: 100,
                height: 100,
                fill: 'green'
            });

            // Add the shape to the layer
            layer.add(shape);

            // Add the layer to the stage
            stage.add(layer);

            // Draw the stage
            stage.draw();
        }
    </script>
</body>
</html>


In this example, when the button is clicked, a rectangle shape will be drawn on the stage. You can customize the shape and button as needed by changing the properties of the KineticJS objects.