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56 lines
2.1 KiB
TypeScript
56 lines
2.1 KiB
TypeScript
/*
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Copyright (c) 2017-2020 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated engine source code (the "Software"), a limited,
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worldwide, royalty-free, non-assignable, revocable and non-exclusive license
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to use Cocos Creator solely to develop games on your target platforms. You shall
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not use Cocos Creator software for developing other software or tools that's
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used for developing games. You are not granted to publish, distribute,
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sublicense, and/or sell copies of Cocos Creator.
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The software or tools in this License Agreement are licensed, not sold.
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Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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import { Mat4 } from '../math';
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import { Node } from '../scene-graph';
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const m4_1 = new Mat4();
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/**
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* @deprecated since v3.5.0, this is an engine private interface that will be removed in the future.
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*/
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export function getPathFromRoot (target: Node | null, root: Node) {
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let node: Node | null = target;
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let path = '';
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while (node !== null && node !== root) {
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path = `${node.name}/${path}`;
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node = node.parent;
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}
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return path.slice(0, -1);
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}
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/**
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* @deprecated since v3.5.0, this is an engine private interface that will be removed in the future.
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*/
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export function getWorldTransformUntilRoot (target: Node, root: Node, outMatrix: Mat4) {
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Mat4.identity(outMatrix);
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while (target !== root) {
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Mat4.fromRTS(m4_1, target.rotation, target.position, target.scale);
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Mat4.multiply(outMatrix, m4_1, outMatrix);
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target = target.parent!;
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}
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return outMatrix;
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}
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