revenge/Energy.cpp at master · waleedhad/revenge · GitHub

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//
//  Energy.cpp
//  revenge
//
//  Created by Asim on 11/14/16.
//  Copyright © 2016 Waleed Al-Haddad. All rights reserved.
//

#include "Energy.hpp"


LTexture gEnergyTexture;

Energy::Energy()
{
    //Initialize the offsets
    mPosX = 0;
    mPosY = 0;

    //Set collision box dimension
    mCollider.w = Energy_WIDTH;
    mCollider.h = Energy_HEIGHT;

    //Initialize the velocity
    mVelX = 0;
    mVelY = 0;


}


void Energy::move( )
{
    //Move the Energy left or right
    mPosX += mVelX;
    mCollider.x = mPosX;

    //If the Energy collided or went too far to the left or right
    if( ( mPosX < 0 ) || ( mPosX + Energy_WIDTH > SCREEN_WIDTH ) )
    {
        //Move back
        mPosX -= mVelX;
        mCollider.x = mPosX;
    }

    //Move the Energy up or down
    mPosY += mVelY;
    mCollider.y = mPosY;

    //If the Energy collided or went too far up or down
    if( ( mPosY < 0 ) || ( mPosY + Energy_HEIGHT > SCREEN_HEIGHT ))
    {
        //Move back
        mPosY -= mVelY;
        mCollider.y = mPosY;
    }
}

void Energy::Emove( )
{
mPosX -= (3+rand()%3) ;
mCollider.x =  mPosX;
}

void Energy::follow_eggs(int x, int y){

    mPosX=x+18;
    mPosY=y;
    mCollider.x =  mPosX;
    mCollider.y =  mPosY;

}

void Energy::render()
{
    //Show the Energy
    gEnergyTexture.render( mPosX, mPosY );
}


bool Energy::loadMedia()
{
    //Loading success flag
    bool success = true;

    //Load press texture
    if( !gEnergyTexture.loadFromFile( "Energy.png" ) )
    {
        printf( "Failed to load Energy texture!\n" );
        success = false;
    }

    return success;
}

void Energy::handleEvent( SDL_Event& e )
{
    //If a key was pressed
    if( e.type == SDL_KEYDOWN && e.key.repeat == 0 )
    {
        //Adjust the velocity
        switch( e.key.keysym.sym )
        {
            case SDLK_UP: mVelY -= Energy_VEL; break;
            case SDLK_DOWN: mVelY += Energy_VEL; break;
            case SDLK_LEFT: mVelX -= Energy_VEL; break;
            case SDLK_RIGHT: mVelX += Energy_VEL; break;
        }
    }
    //If a key was released
    else if( e.type == SDL_KEYUP && e.key.repeat == 0 )
    {
        //Adjust the velocity
        switch( e.key.keysym.sym )
        {
            case SDLK_UP: mVelY += Energy_VEL; break;
            case SDLK_DOWN: mVelY -= Energy_VEL; break;
            case SDLK_LEFT: mVelX += Energy_VEL; break;
            case SDLK_RIGHT: mVelX -= Energy_VEL; break;
        }
    }
}


///////////////////////////////////////////////////////////


void Energy::close()
{
    //Free loaded images
    gEnergyTexture.free();

}