diff options
Diffstat (limited to 'example.cc')
| -rw-r--r-- | example.cc | 27 |
1 files changed, 22 insertions, 5 deletions
@@ -2,8 +2,9 @@ #include <cmath> #include <algorithm> +#include <thread> -int minkowski_metric(float p, int refX, int refY, int x, int y) { +int minkowski_metric(double p, int refX, int refY, int x, int y) { return static_cast<int>(std::nearbyint( std::pow( std::pow(std::abs(refX - x), p) + std::pow(std::abs(refY - y), p), @@ -20,8 +21,12 @@ int euclidean_metric(int refX, int refY, int x, int y) { return minkowski_metric(2, refX, refY, x, y); } -int main(int, char*[]) { - std::array<imgen::colored_vector, 9> ref{ +void generate_minkowski_voronoi( + const double lower, + const double upper, + const double epsilon +) { + constexpr std::array<imgen::colored_vector, 9> ref{ imgen::colored_vector{ 0, 0, imgen::red() }, imgen::colored_vector{ 240, 200, imgen::green() }, imgen::colored_vector{-100, 230, imgen::blue() }, @@ -33,9 +38,9 @@ int main(int, char*[]) { imgen::colored_vector{-240, -20, imgen::olive() } }; - for ( float p = 0.6; p < 2.0; p = p + 0.005 ) { + for ( double p = lower; p < upper; p = p + epsilon ) { imgen::write_ppm( - "vonoroi_" + std::to_string(p) + ".ppm", + "voronoi_" + std::to_string(p) + ".ppm", 512, 512, [&ref, p](std::ptrdiff_t x, std::ptrdiff_t y) -> imgen::color { @@ -66,3 +71,15 @@ int main(int, char*[]) { ); } } + +int main(int, char*[]) { + std::thread worker1([](){ generate_minkowski_voronoi(0.8, 1.1, 0.002); }); + std::thread worker2([](){ generate_minkowski_voronoi(1.102, 1.4, 0.002); }); + std::thread worker3([](){ generate_minkowski_voronoi(1.402, 1.7, 0.002); }); + std::thread worker4([](){ generate_minkowski_voronoi(1.702, 2.0, 0.002); }); + + worker1.join(); + worker2.join(); + worker3.join(); + worker4.join(); +} |