skizzle/ball.cpp

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2016-03-04 15:29:31 +00:00
#include "ball.hpp"
#include "engine.hpp"
// TODO réécrire cette classe
Ball::Ball() {
if (!texture.loadFromFile("res/balle.png")) {
std::cerr << "Failed to load texture" << std::endl;
}
velocity.x = velocity.y = 0;
position.x = 150; position.y = 150;
sprite.setOrigin(12, 12);
sprite.setTexture(texture);
}
void Ball::update(float delta) {
int verticalPos = std::ceil(position.y);
// gravity
velocity.y += Engine::GRAVITY * delta;
// jump
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Up) && verticalPos >= 150) {
velocity.y = -Engine::JUMP;
}
// go left/right
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Left)) {
velocity.x -= Engine::MOVE;
}
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Right)) {
velocity.x += Engine::MOVE;
}
if (verticalPos > 150) {
position.y = 150;
velocity.y = -.3f * std::abs(velocity.y);
}
velocity.x *= .95f;
position += velocity * delta;
}
void Ball::draw(sf::RenderWindow& window) {
sprite.setPosition(position + sf::Vector2f(0, -12));
sprite.rotate(velocity.x / 10);
window.draw(sprite);
}