55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
/****************************************************************************
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Copyright (c) 2021-2023 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 documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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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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#include "primitive/Quad.h"
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namespace cc {
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IGeometry quad(ccstd::optional<IGeometryOptions> options) {
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if (!options.has_value()) {
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options = IGeometryOptions();
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}
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IGeometry result;
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result.positions = ccstd::vector<float>{-0.5, -0.5, 0, -0.5, 0.5, 0, 0.5, 0.5, 0, 0.5, -0.5, 0};
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result.boundingRadius = sqrt(0.5 * 0.5 + 0.5 * 0.5);
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result.minPos = Vec3(-0.5, -0.5, 0);
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result.maxPos = Vec3(0.5, 0.5, 0);
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result.indices = ccstd::vector<uint32_t>{0, 3, 1, 3, 2, 1};
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if (options->includeNormal) {
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result.normals = ccstd::vector<float>{
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0, 0, 1,
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0, 0, 1,
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0, 0, 1,
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0, 0, 1};
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}
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if (options->includeUV) {
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result.uvs = ccstd::vector<float>{
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0, 0,
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0, 1,
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1, 1,
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1, 0};
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}
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return result;
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}
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} // namespace cc
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