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| #include <SFML/Graphics.hpp>
#include <iostream>
#define _USE_MATH_DEFINES
#include "ForceBar.h"
#include <cmath>
#define M_PI 3.14159265
enum class SpearState
{
initial,
flying,
dropped
};
void resetGame(SpearState& spear_state, float& total_distance, float& best_distance, int& attempt_count)
{
spear_state = SpearState::initial;
total_distance = 0.0f;
attempt_count = 0;
}
int main()
{
float total_distance = 0.0f;
float best_distance = 0.0f;
int attempt_count = 0;
bool restartGame = false;
int force{ 50 };
ForceBar forceBar;
forceBar.update(force);
sf::RenderWindow window(sf::VideoMode(1280, 600), "SPEAR", sf::Style::Close);
Vector2f window_size = window.getView().getSize();
Image stad_image;
stad_image.loadFromFile("https://www.cyberforum.ru/images/stad.png");
Texture stad_texture;
stad_texture.loadFromImage(stad_image);
Sprite stad_sprite;
stad_sprite.setTexture(stad_texture);
Image spear_image;
spear_image.loadFromFile("https://www.cyberforum.ru/images/spear.png");
spear_image.createMaskFromColor(Color(255, 255, 255));
Texture spear_texture;
spear_texture.loadFromImage(spear_image);
Sprite spear_sprite;
spear_sprite.setTexture(spear_texture);
spear_sprite.scale(sf::Vector2f(0.5f, 0.5f));
SpearState spear_state{ SpearState::initial };
Vector2f word_base{ 0, window_size.y - 10 };
int word_spear_start_angle{ 45 };
Vector2f word_spear_start_position{ 0, 0 };
float word_spear_start_velocity{};
Time flying_time{};
float spear_throw_velocity{};
float flying_distance{};
Clock clock;
float prev_T{};
float prev_X{};
float prev_Y{};
int spear_rotate{};
Vector2f spear_position{};
sf::Font font;
if (font.loadFromFile("fonts/arial.ttf"))
{
sf::Text bestDistanceText;
bestDistanceText.setFont(font);
bestDistanceText.setCharacterSize(20);
bestDistanceText.setFillColor(sf::Color::White);
bestDistanceText.setPosition(1000, 50);
sf::Text distanceText;
distanceText.setFont(font);
distanceText.setCharacterSize(20);
distanceText.setFillColor(sf::Color::White);
distanceText.setPosition(1000, 20);
sf::Text attemptsText;
attemptsText.setFont(font);
attemptsText.setCharacterSize(20);
attemptsText.setFillColor(sf::Color::White);
attemptsText.setPosition(1000, 80);
while (window.isOpen())
{
sf::Event event;
while (window.pollEvent(event))
{
if (event.type == sf::Event::Closed)
window.close();
if (spear_state == SpearState::initial && event.type == sf::Event::KeyPressed)
{
if (event.key.code == sf::Keyboard::Right)
{
if (++force > 99)
force = 99;
forceBar.update(force);
}
else if (event.key.code == sf::Keyboard::Left)
{
if (--force < 1)
force = 1;
forceBar.update(force);
}
else if (event.key.code == sf::Keyboard::Down)
{
if (--word_spear_start_angle < 10)
word_spear_start_angle = 10;
}
else if (event.key.code == sf::Keyboard::Up)
{
if (++word_spear_start_angle > 80)
word_spear_start_angle = 80;
}
else if (event.key.code == sf::Keyboard::Space)
{
if (attempt_count >= 3)
resetGame(spear_state, total_distance, best_distance, attempt_count);
else
{
spear_state = SpearState::flying;
clock.restart();
flying_time = Time::Zero;
spear_throw_velocity = force + 10;
attempt_count++;
}
}
else if (event.key.code == sf::Keyboard::R)
{
resetGame(spear_state, total_distance, best_distance, attempt_count);
restartGame = true;
}
}
}
if (restartGame)
{
resetGame(spear_state, total_distance, best_distance, attempt_count);
restartGame = true;
}
switch (spear_state)
{
case SpearState::initial:
{
spear_rotate = 360 - word_spear_start_angle;
spear_position = { word_base.x + word_spear_start_position.x, word_base.y - word_spear_start_position.y };
break;
}
case SpearState::flying:
{
constexpr float G = 9.81;
flying_time += clock.restart();
float T = flying_time.asSeconds();
if ((T - prev_T) > 1 / 60)
{
prev_T = T;
float Y = word_spear_start_position.y + spear_throw_velocity * std::sin(word_spear_start_angle * M_PI / 180) * T - G * T * T / 2.0;
float X = word_spear_start_position.x + spear_throw_velocity * std::cos(word_spear_start_angle * M_PI / 180) * T;
float dx = X - prev_X;
float dy = Y - prev_Y;
float k = dy / dx;
spear_rotate = 360 - std::atan(k) * 180 / M_PI;
prev_X = X;
prev_Y = Y;
total_distance += dx;
flying_distance = X;
spear_position = { word_base.x + X, word_base.y - Y };
if (Y < 0)
spear_state = SpearState::dropped;
}
break;
}
case SpearState::dropped:
{
spear_position = { word_base.x + prev_X, word_base.y - prev_Y };
if (total_distance > best_distance)
{
best_distance = total_distance;
}
break;
}
}
window.clear();
bestDistanceText.setString("Best Distance: " + std::to_string(static_cast<int>(best_distance)) + " m");
window.draw(bestDistanceText);
distanceText.setString("Distance: " + std::to_string(static_cast<int>(total_distance)) + " m");
window.draw(distanceText);
attemptsText.setString("Attempts: " + std::to_string(attempt_count) + "/3");
window.draw(attemptsText);
window.draw(stad_sprite);
forceBar.draw(window);
Vector2f size = window.getView().getSize();
spear_sprite.setPosition(spear_position);
spear_sprite.setRotation(spear_rotate);
window.draw(spear_sprite);
window.draw(bestDistanceText);
window.draw(distanceText);
window.draw(attemptsText);
window.display();
}
}
return 0;
} |
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