63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
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#include <memory>
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#include <SFML/Graphics.hpp>
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#include <SFML/Graphics/CircleShape.hpp>
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#include "Bubble.h"
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Bubble::Bubble(
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const unsigned int INITIAL_X,
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const unsigned int INITIAL_Y,
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const double INITIAL_X_DIR,
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const double INITIAL_Y_DIR,
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const float RADIUS,
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const sf::Color COLOR,
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std::shared_ptr<sf::Music> BOING_SOUND
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): _pBoingSound(std::move(BOING_SOUND)) {
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_circleShape = sf::CircleShape(RADIUS);
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_circleShape.setPosition(INITIAL_X, INITIAL_Y);
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_circleShape.setFillColor(COLOR);
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_xDir = INITIAL_X_DIR;
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_yDir = INITIAL_Y_DIR;
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}
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void Bubble::draw(sf::RenderWindow& window) const {
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window.draw(_circleShape);
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}
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void Bubble::updatePosition(const unsigned int WINDOW_WIDTH, const unsigned int WINDOW_HEIGHT) {
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sf::Vector2f currentPosition = _circleShape.getPosition();
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// While inverting sign of the direction is simpler, that method gets bubbles stuck on the wall
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// Giving explicit sign forces the ball in the correct direction instead.
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if (
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(currentPosition.x < 0 && _xDir < 0)
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|| (
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(currentPosition.x + _circleShape.getRadius() * 2) > WINDOW_WIDTH
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&& _xDir > 0
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)
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) {
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// If over left wall & going left, invert
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// OR if over right wall & going right, invert
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_xDir = -_xDir;
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_pBoingSound->play();
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}
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if (
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(currentPosition.y < 0 && _yDir < 0)
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(currentPosition.y + _circleShape.getRadius() * 2) > WINDOW_HEIGHT
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&& _yDir > 0
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)
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) {
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// If over top wall & going up, invert
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// OR if over bottom wall & going down, invert
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_yDir = -_yDir;
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_pBoingSound->play();
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}
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currentPosition.x += _xDir;
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currentPosition.y += _yDir;
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_circleShape.setPosition(currentPosition);
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}
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