When loading a model from an obj file along with the mtl file, what is the correct way to dispose of or deallocate all the geometry, materials, and textures in the returned Object3D in r55?
When loading a model from an obj file along with the mtl file, what is the correct way to dispose of or deallocate all the geometry, materials, and textures in the returned Object3D in r55?
Check out this solution:
object.traverse( function ( child ) {
if ( child.geometry !== undefined ) {
child.geometry.dispose();
child.material.dispose();
}
} );
After taking inspiration from mrdoob's example, a function was developed by me to recursively dispose of a three.js object. This function has been integrated into my personal three.js utility library: https://github.com/MarcoSulla/my3
function dispose3(obj) {
/**
* @author Marco Sulla (<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="3b565a495854484e57575a4954565a7b5c565a525715585456">[email protected]</a>)
* @date Mar 12, 2016
*/
"use strict";
var children = obj.children;
var child;
if (children) {
for (var i=0; i<children.length; i+=1) {
child = children[i];
dispose3(child);
}
}
var geometry = obj.geometry;
var material = obj.material;
if (geometry) {
geometry.dispose();
}
if (material) {
var texture = material.map;
if (texture) {
texture.dispose();
}
material.dispose();
}
},
The aspiration is for this function to be included in the three.js code, possibly within the Scene.remove method, and activated only when an optional flag is set.
This is the code snippet I rely on:
function clearReferences(removeItem){
try{
removeItem.iterate(function(obj){
try{
renderer.removeObject(obj);
}catch(error){}
try{
obj.geometry.clear();
}catch(error){}
try{
obj.material.clear();
}catch(error){}
try{
obj.clear()
}catch(error){}
});
}catch(error){}
}
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