97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
//
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// Created by SeanOMik on 7/2/2020.
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// Github: https://github.com/SeanOMik
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// Email: seanomik@gmail.com
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//
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#include <simpleengine/game.h>
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#include <simpleengine/event.h>
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#include <simpleengine/entity.h>
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#include <simpleengine/components/movement/movement_component.h>
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#include <simpleengine/events/entity_event.h>
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#include <chrono>
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#include <iostream>
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class SnakeMovementComponent : public simpleengine::Component {
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private:
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float movement_speed;
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sf::Vector2f movement_direction;
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std::chrono::high_resolution_clock::time_point last_movement;
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public:
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explicit SnakeMovementComponent(simpleengine::Entity& owning_entity, float movement_speed) : simpleengine::Component(owning_entity), movement_speed(movement_speed) {
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}
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void Update(const float& delta_time) override {
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if (sf::Keyboard::isKeyPressed(sf::Keyboard::A)) {
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movement_direction.x = -movement_speed;
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movement_direction.y = 0;
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}
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if (sf::Keyboard::isKeyPressed(sf::Keyboard::W)) {
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movement_direction.x = 0;
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movement_direction.y = -movement_speed;
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}
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if (sf::Keyboard::isKeyPressed(sf::Keyboard::D)) {
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movement_direction.x = movement_speed;
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movement_direction.y = 0;
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}
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if (sf::Keyboard::isKeyPressed(sf::Keyboard::S)) {
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movement_direction.x = 0;
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movement_direction.y = movement_speed;
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}
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int duration = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - last_movement).count();
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if (duration >= 115 && (movement_direction.x != 0 || movement_direction.y != 0)) {
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owning_entity.Move(delta_time, movement_direction.x, movement_direction.y);
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last_movement = std::chrono::high_resolution_clock::now();
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}
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}
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};
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class SnakePlayerEntity : public simpleengine::Entity {
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private:
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sf::RectangleShape shape;
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float movement_speed = 15;
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sf::Vector2u window_size;
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public:
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explicit SnakePlayerEntity(sf::Vector2u window_size) : window_size(window_size) {
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shape = sf::RectangleShape(sf::Vector2f(15, 15));
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shape.setFillColor(sf::Color::White);
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AddComponent(std::make_unique<SnakeMovementComponent>(*this, movement_speed));
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}
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~SnakePlayerEntity() override {
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std::cout << "Destroying" << std::endl;
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simpleengine::Entity::~Entity();
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}
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void Move(const float& delta_time, const float& x, const float& y) override {
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shape.move(x, y);
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}
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void Move(const float& delta_time, const sf::Vector2f& offset) override {
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shape.move(offset * delta_time);
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}
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void Move(const sf::Vector2f& offset) override {
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shape.move(offset);
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}
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void Render(sf::RenderTarget* target) override {
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target->draw(shape);
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}
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};
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int main(int argc, char *argv[]) {
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simpleengine::Game game(500, 500, "SimpleEngine - Snake Example");
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game.AddEvent(new simpleengine::EntityEvent(game.GetWindow(), std::make_unique<SnakePlayerEntity>(game.GetWindow()->getSize())));
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return game.Run();
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} |