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FlappyBug: Introduce a new Flappy Bug game

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This introduces a Flappy Bug game. It's pretty simple currently, but is
playable.
This commit is contained in:
Mim Hufford 2021-06-01 17:16:19 +01:00 • committed by Linus Groh
parent 24225df979
commit 811d9722f9
8 changed files with 257 additions and 0 deletions
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84
Userland/Games/FlappyBug/Game.cpp Normal file
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/*
* Copyright (c) 2021, Mim Hufford <mim@hotmail.co.uk>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Game.h"
#include <AK/Random.h>
namespace FlappyBug {
Game::Game()
{
set_override_cursor(Gfx::StandardCursor::Hidden);
start_timer(16);
reset();
}
void Game::reset()
{
m_active = false;
m_difficulty = 1;
m_bug.reset();
m_obstacle.reset();
}
void Game::timer_event(Core::TimerEvent&)
{
tick();
}
void Game::paint_event(GUI::PaintEvent& event)
{
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.fill_rect(rect(), Color::Black);
painter.fill_rect(enclosing_int_rect(m_obstacle.top_rect()), Color::White);
painter.fill_rect(enclosing_int_rect(m_obstacle.bottom_rect()), Color::White);
painter.fill_ellipse(enclosing_int_rect(m_bug.rect()), Color::Red);
painter.draw_text({ 10, 10, 100, 100 }, String::formatted("{}", m_difficulty), Gfx::TextAlignment::TopLeft, Color::Green);
}
void Game::keydown_event(GUI::KeyEvent& event)
{
switch (event.key()) {
case Key_Escape:
GUI::Application::the()->quit();
break;
default:
m_active = true;
m_bug.flap();
break;
}
}
void Game::tick()
{
if (m_active) {
m_difficulty += 0.0001f;
m_bug.fall();
m_bug.apply_velocity();
m_obstacle.x -= 4 + m_difficulty;
if (m_bug.y > game_height || m_bug.y < 0) {
reset();
}
if (m_bug.rect().intersects(m_obstacle.top_rect()) || m_bug.rect().intersects(m_obstacle.bottom_rect())) {
reset();
}
if (m_obstacle.x < 0) {
m_obstacle.reset();
}
}
update();
}
}