#include "starfield.h"

#include <azur/azur.h>
#include <azur/gint/render.h>

#include <cstdint>
#include <stdlib.h> 

#include <num/num.h>

#include "MyAzurShaders.h"



Star::Star( void )
{
    x = rand() % 396;
    y = libnum::num( rand() % 224 );

    size = 1 + ( rand() % 4 );

    sy = libnum::num( size );

    color = 0xFFFF;
}

Star::~Star()
{


}

void Star::Update( float dt )
{
    libnum::num a = libnum::num( dt / 12000.0f );
    y += sy * a;

    if (y > 224)
    {
        x = rand() % 396;
        y = 0;
    }
}

void Star::Render( )
{
    if (size==1)
    {
        azrp_pixel( x, (int) y, color );
    }
    else if (size==2)
    {
        azrp_pixel( x-1, (int) y-1, color );
        azrp_pixel( x-1, (int) y, color );
        azrp_pixel( x, (int) y-1, color );
        azrp_pixel( x, (int) y, color );
    }
    else if (size==3)
    {
        azrp_pixel( x, (int) y-1, color );
        azrp_pixel( x-1, (int) y, color );
        azrp_pixel( x, (int) y, color );
        azrp_pixel( x+1, (int) y, color );
        azrp_pixel( x, (int) y+1, color );
    }
    else if (size==4)
    {
        azrp_pixel( x-1, (int) y-1, color );
        azrp_pixel( x-1, (int) y, color );
        azrp_pixel( x-1, (int) y+1, color );
        azrp_pixel( x, (int) y-1, color );
        azrp_pixel( x, (int) y, color );
        azrp_pixel( x, (int) y+1, color );
        azrp_pixel( x+1, (int) y-1, color );
        azrp_pixel( x+1, (int) y, color );
        azrp_pixel( x+1, (int) y+1, color );
    }
}