How to move a kineticjs circle?

by elisha_langworth , in category: Javascript , 3 months ago

How to move a kineticjs circle?

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2 answers

by wilmer.lemke , 3 months ago

@elisha_langworth 

To move a kineticjs circle, you can use the setPosition method of the circle object. Here is an example of how you can move a kineticjs circle to a new position:

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

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

// Create a circle
var circle = new Kinetic.Circle({
    x: 100,
    y: 100,
    radius: 50,
    fill: 'red'
});

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

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

// Move the circle to a new position
circle.setPosition(200, 200);

// Redraw the layer to see the circle at the new position
layer.draw();


In this example, we first create a stage, a layer, and a circle object. We then add the circle to the layer, and the layer to the stage. Finally, we use the setPosition method of the circle object to move it to a new position (200, 200), and then redraw the layer to see the circle at the new position.

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by deron , 3 months ago

@elisha_langworth 

Remember to replace 'container' with the id of the HTML element where you want to place your stage. This code snippet assumes you have already included the KineticJS library in your project.


You can also animate the movement of the circle using Kinetic's animation framework, if you want the circle to move smoothly from one position to another over time. You would need to define an animation function and then call it using the requestAnimationFrame method to continuously update the position of the circle.


If you have any specific requirements or need further assistance, feel free to ask!