44 lines
2.0 KiB
C++
44 lines
2.0 KiB
C++
#include "Gameplay.hpp"
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#include <iostream>
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namespace faset::gameplay {
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void registerGameplay(runtime::Runtime& world) {
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runtime::Behavior character;
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character.fixedUpdate = [](runtime::Runtime& game, runtime::EntityHandle self, double) {
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const auto settings = game.fields(self, "tutorial.character");
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const auto input = game.input();
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auto velocity = game.velocity(self); // Metres per second; preserve the Y component.
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velocity[0] = input.horizontal * settings.value("speed", 4.0f);
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if (input.jumpPressed && game.grounded(self))
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velocity[1] = settings.value("jump_speed", 5.0f);
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// Do not multiply velocity by delta. The physics solver integrates it.
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game.setVelocity(self, velocity);
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};
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character.onCollision = [](runtime::Runtime&, runtime::EntityHandle,
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const runtime::CollisionEvent& event) {
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if (event.began)
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std::cout << "Character contact began\n";
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};
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world.registerBehavior("tutorial.character", std::move(character));
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}
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nlohmann::json schema() {
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return nlohmann::json::array({{{"id", "tutorial.character"},
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{"version", 1},
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{"name", "Physics character"},
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{"fields",
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{{"speed",
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{{"id", "speed"},
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{"type", "number"},
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{"default", 4.0},
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{"min", 0.0},
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{"units", "m/s"}}},
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{"jump_speed",
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{{"id", "jump_speed"},
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{"type", "number"},
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{"default", 5.0},
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{"min", 0.0},
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{"units", "m/s"}}}}}}});
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}
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} // namespace faset::gameplay
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