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Simplify the CsgOpNodes as we build them, rather than in GetChildren (#…
…368) * Flatten the CsgOpNodes as we build them, rather than in GetChildren * Don't inline reused nodes in CsgNode::Boolean * Reinstate difference -> union rewrite * No need for opportunistic flattening anymore * Fix typo * Remove CsgOpNode::Impl::simplified_ * Don't overskip referenced nodes in simplification * Avoid needless copy of shared pointers * Disambiguate CsgOpNode::Impl::flatten_ -> forcedToLeafNodes_ and align GetChildren arg naming * Simplified CsgOpNode::GetChildren * Simpler (a-(b+c)) -> (a-b-c) transform in CsgOpNode::Boolean to work better w/ CsgOpNode::ToLeafNode * Simpler build hints for large_scene_test.cpp * [flatten] Refine rules about tree flattening + added test case * [manifold] Propagate transforms when flattening op trees * [flatten] move tests from manifold_test to boolean_test
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// Copyright 2020 The Manifold Authors. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
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#include <chrono> | ||
#include <iostream> | ||
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#include "manifold.h" | ||
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using namespace manifold; | ||
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/* | ||
Build & execute with the following command: | ||
( mkdir -p build && cd build && \ | ||
cmake -DCMAKE_BUILD_TYPE=Release -DMANIFOLD_PAR=TBB .. && \ | ||
make -j && \ | ||
time ./extras/largeSceneTest 50 ) | ||
*/ | ||
int main(int argc, char **argv) { | ||
int n = 20; | ||
if (argc == 2) n = atoi(argv[1]); | ||
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std::cout << "n = " << n << std::endl; | ||
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auto start = std::chrono::high_resolution_clock::now(); | ||
Manifold scene; | ||
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for (int i = 0; i < n; ++i) { | ||
for (int j = 0; j < n; ++j) { | ||
for (int k = 0; k < n; ++k) { | ||
if (i == 0 && j == 0 && k == 0) continue; | ||
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Manifold sphere = Manifold::Sphere(1).Translate(glm::vec3(i, j, k)); | ||
scene = scene.Boolean(sphere, OpType::Add); | ||
} | ||
} | ||
} | ||
scene.NumTri(); | ||
auto end = std::chrono::high_resolution_clock::now(); | ||
std::chrono::duration<double> elapsed = end - start; | ||
std::cout << "nTri = " << scene.NumTri() << ", time = " << elapsed.count() | ||
<< " sec" << std::endl; | ||
} |
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