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78 lines
2.8 KiB
78 lines
2.8 KiB
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/****************************************************************************
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Copyright (c) 2022-2023 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 "AutoPlacement.h"
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#include "base/Macros.h"
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namespace cc {
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namespace gi {
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ccstd::vector<Vec3> AutoPlacement::generate(const PlacementInfo &info) {
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switch (info.method) {
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case PlaceMethod::UNIFORM:
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return doGenerateUniform(info);
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case PlaceMethod::ADAPTIVE:
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return doGenerateAdaptive(info);
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default:
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CC_ABORT();
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}
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return {};
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}
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ccstd::vector<Vec3> AutoPlacement::doGenerateUniform(const PlacementInfo &info) {
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if (info.nProbesX < 2U || info.nProbesY < 2U || info.nProbesZ < 2U) {
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return {};
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}
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ccstd::vector<Vec3> probes;
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Vec3 position{0.0F, 0.0F, 0.0F};
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Vec3 gridSize{
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(info.maxPos.x - info.minPos.x) / static_cast<float>(info.nProbesX - 1U),
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(info.maxPos.y - info.minPos.y) / static_cast<float>(info.nProbesY - 1U),
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(info.maxPos.z - info.minPos.z) / static_cast<float>(info.nProbesZ - 1U)};
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for (auto x = 0U; x < info.nProbesX; x++) {
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position.x = static_cast<float>(x) * gridSize.x + info.minPos.x;
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for (auto y = 0U; y < info.nProbesY; y++) {
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position.y = static_cast<float>(y) * gridSize.y + info.minPos.y;
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for (auto z = 0U; z < info.nProbesZ; z++) {
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position.z = static_cast<float>(z) * gridSize.z + info.minPos.z;
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probes.push_back(position);
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}
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}
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}
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return probes;
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}
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ccstd::vector<Vec3> AutoPlacement::doGenerateAdaptive(const PlacementInfo &info) {
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return doGenerateUniform(info);
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}
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} // namespace gi
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} // namespace cc
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