mitchellhansen/flappy-bird-sfml
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Scroll wheel to change speed

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MitchellHansen
2015-11-24 01:47:08 -08:00
parent 43083c3aaa
commit 5792723392
3 changed files with 20 additions and 4 deletions
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14
Flappy/main.cpp
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@@ -55,6 +55,7 @@ int main()
float step_size = 0.005f;
double frame_time = 0.0, instant_fps = 0.0, render_fps = 0.0, physics_fps = 0.0, elapsed_time = 0.0, delta_time = 0.0, accumulator_time = 0.0, current_time = 0.0;
int render_frame_count = 0, physics_frame_count = 0;
float speed = 250;
while (window.isOpen())
{
@@ -63,6 +64,11 @@ int main()
if (event.type == sf::Event::Closed) {
window.close();
}
if (event.type == sf::Event::MouseWheelScrolled) {
if (event.mouseWheelScroll.wheel == sf::Mouse::VerticalWheel) {
speed += event.mouseWheelScroll.delta * 20;
}
}
}
elapsed_time = elap_time();
@@ -83,22 +89,22 @@ int main()
pipe_up_sprite.setPosition(WINDOW_X, pipe_down_sprite.getPosition().y + pipe_dist);
}
else {
pipe_up_sprite.setPosition(pipe_up_sprite.getPosition().x - step_size * 250, pipe_up_sprite.getPosition().y);
pipe_down_sprite.setPosition(pipe_down_sprite.getPosition().x - step_size * 250, pipe_down_sprite.getPosition().y);
pipe_up_sprite.setPosition(pipe_up_sprite.getPosition().x - step_size * speed, pipe_up_sprite.getPosition().y);
pipe_down_sprite.setPosition(pipe_down_sprite.getPosition().x - step_size * speed, pipe_down_sprite.getPosition().y);
}
if (background_sprite.getPosition().x + background_sprite.getGlobalBounds().width < WINDOW_X) {
background_sprite.setPosition(0, 0);
}
else {
background_sprite.setPosition(background_sprite.getPosition().x - step_size * 150, background_sprite.getPosition().y);
background_sprite.setPosition(background_sprite.getPosition().x - step_size * (speed - 100), background_sprite.getPosition().y);
}
if (land_sprite.getPosition().x + 10 + land_sprite.getGlobalBounds().width < WINDOW_X) {
land_sprite.setPosition(14, land_sprite.getPosition().y);
}
else {
land_sprite.setPosition(land_sprite.getPosition().x - step_size * 250, land_sprite.getPosition().y);
land_sprite.setPosition(land_sprite.getPosition().x - step_size * speed, land_sprite.getPosition().y);
}
// Check collisions