Kinesim/vendor/threex/THREEx.WindowResize.js
Amit Kumar Nandi c51788eb87 Forgejo Up
2024-10-03 06:46:07 +05:30

49 lines
1.2 KiB
JavaScript

// This THREEx helper makes it easy to handle window resize.
// It will update renderer and camera when window is resized.
//
// # Usage
//
// **Step 1**: Start updating renderer and camera
//
// ```var windowResize = THREEx.WindowResize(aRenderer, aCamera)```
//
// **Step 2**: Start updating renderer and camera
//
// ```windowResize.stop()```
// # Code
//
/** @namespace */
var THREEx = THREEx || {};
/**
* Update renderer and camera when the window is resized
*
* @param {Object} renderer the renderer to update
* @param {Object} Camera the camera to update
*/
THREEx.WindowResize = function(renderer, camera){
var callback = function(){
// notify the renderer of the size change
renderer.setSize( window.innerWidth, window.innerHeight );
// update the camera
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
}
// bind the resize event
window.addEventListener('resize', callback, false);
// return .stop() the function to stop watching window resize
return {
/**
* Stop watching window resize
*/
stop : function(){
window.removeEventListener('resize', callback);
}
};
}
THREEx.WindowResize.bind = function(renderer, camera){
return THREEx.WindowResize(renderer, camera);
}