44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
#include "flecs.h"
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#include <iostream>
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/* Component types */
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struct Position {
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double x, y;
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};
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struct Velocity {
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double x, y;
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};
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int main(int argc, char *argv[]) {
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flecs::world world(argc, argv);
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flecs::component<Position>(world, "Position");
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flecs::component<Velocity>(world, "Velocity");
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flecs::system<Position, const Velocity>(world)
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.iter([](const flecs::iter& it,
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Position *p,
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const Velocity *v)
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{
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for (auto row : it) {
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p[row].x += v[row].x;
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p[row].y += v[row].y;
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std::cout << "Moved " << it.entity(row).name() << " to {" <<
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p[row].x << ", " << p[row].y << "}" << std::endl;
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}
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});
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flecs::entity(world, "MyEntity")
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.set<Position>({0, 0})
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.set<Velocity>({1, 1});
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world.set_target_fps(1);
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std::cout << "Application move_system is running, press CTRL-C to exit..." << std::endl;
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/* Run systems */
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while (world.progress()) { }
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}
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