39 lines
1.6 KiB
JavaScript
39 lines
1.6 KiB
JavaScript
'use strict';
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var Bounds = require('../scene/container/bounds/Bounds.js');
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var getGlobalBounds = require('../scene/container/bounds/getGlobalBounds.js');
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"use strict";
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const tempBounds = new Bounds.Bounds();
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const _Culler = class _Culler {
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/**
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* Culls the children of a specific container based on the given view. This will also cull items that are not
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* being explicitly managed by the culler.
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* @param container - The container to cull.
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* @param view - The view rectangle.
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* @param skipUpdateTransform - Whether to skip updating the transform.
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*/
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cull(container, view, skipUpdateTransform = true) {
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this._cullRecursive(container, view, skipUpdateTransform);
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}
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_cullRecursive(container, view, skipUpdateTransform = true) {
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if (container.cullable && container.measurable && container.includeInBuild) {
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const bounds = container.cullArea ?? getGlobalBounds.getGlobalBounds(container, skipUpdateTransform, tempBounds);
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container.culled = bounds.x >= view.x + view.width || bounds.y >= view.y + view.height || bounds.x + bounds.width <= view.x || bounds.y + bounds.height <= view.y;
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} else {
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container.culled = false;
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}
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if (!container.cullableChildren || container.culled || !container.renderable || !container.measurable || !container.includeInBuild)
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return;
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for (let i = 0; i < container.children.length; i++) {
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this._cullRecursive(container.children[i], view, skipUpdateTransform);
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}
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}
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};
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/** A shared instance of the Culler class. */
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_Culler.shared = new _Culler();
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let Culler = _Culler;
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exports.Culler = Culler;
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//# sourceMappingURL=Culler.js.map
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