UCSD applet Sun - 2

package guimodule;

import processing.core.PApplet;
import processing.core.PImage;

public class MyPApplet2 extends PApplet{
    private String url = "http://i.imgur.com/ZZoY9Ni.jpg";
    private PImage backgroundPic;

    public void setup(){
        size(400, 400);//(w,h)
        background(255);//set canvas color R=255, G=255, B= 255
        stroke(0);//set pen color R=0; G=0; B=0
        backgroundPic = loadImage(url);
        backgroundPic.resize(0, height);//resizing the pic to the full height of canvas
        image(backgroundPic, 0, 0);//x = 0; y = 0;
    }
    public void draw(){
        int[] color = sunColorSec(second());//Det finns hour() och minute() metoder också.
        fill(color[0], color[1], color[2]);//passing R, G and B
        ellipse(width-width/6, height/6, width/4, height/5);
    }
    private int[] sunColorSec(int s) {
        int[] rgb = new int[3];//We want to return R, G and B colors
        //Scale the brightness of the yellow color of the Sun based on seconds.
        //0 seconds is black. 30 seconds is bright yellow
        float diffFrom30 = Math.abs(30 - s);
        float ratio = diffFrom30/30;//gives a number between 0 and 1
        rgb[0] = (int)(255 * ratio);
        rgb[1] = (int) (255 * ratio);
        rgb[2] = 0; //The blue color is not needed to make different shades of yellow.
        //System.out.println("R: " + rgb[0] + " G: " + rgb[1] + " B: " + rgb[2]);
        return rgb;
    }
}//class MyApplet2 ends here.