oxygine-framework/examples/Game/part2/src/Player.cpp

#include "Player.h"
#include "Game.h"
#include "res.h"
#include "Joystick.h"
#include "Rocket.h"

Player::Player(): _lastRocketSpawn(0)
{

}

void Player::_init()
{
    //initialize player's ship
    _view->setPosition(_game->getSize() / 2);

    _ship = new Sprite;
    _ship->setResAnim(res::ui.getResAnim("ship"));
    _ship->attachTo(_view);
    _ship->setAnchor(Vector2(0.5f, 0.5f));

    _engine = new Sprite;
    _engine->setResAnim(res::ui.getResAnim("shipengine"));
    _engine->attachTo(_ship);
    //animate engine's fire
    _engine->addTween(Sprite::TweenColor(Color::Red), 500, -1, true);
    //by default it is hidden
    //and would be visible only if ship moves
    _engine->setVisible(false);
}

void Player::_update(const UpdateState& us)
{
    _engine->setVisible(false);

    Vector2 dir;
    if (_game->_move->getDirection(dir))
    {
        //update player position according to delta time and finger direction from virtual joystick
        Vector2 pos = _view->getPosition();
        pos = pos + dir * (us.dt / 1000.0f) * 5;
        _view->setPosition(pos);

        //rotate it
        float angle = atan2f(dir.y, dir.x);
        _view->setRotation(angle);

        //if player moves show engine's fire
        _engine->setVisible(true);
    }


    if (_game->_fire->getDirection(dir))
    {
        //fire rockets each 300 ms
        if (_lastRocketSpawn + 300 < us.time)
        {
            _lastRocketSpawn = us.time;

            dir.normalize();

            //create rocket
            spRocket rocket = new Rocket(dir);
            rocket->init(_view->getPosition(), _game);
        }
    }
}