Cube3D.java

public class Cube3D {
    private int red_min;
    private int green_min;
    private int blue_min;
    private int red_max;
    private int green_max;
    private int blue_max;
    //private Map<Integer,Integer> color;
    private ArrayList<MyPoint> points;

    public Cube3D(Map<Integer,Integer> map, int rmin, int gmin, int bmin, int rmax, int gmax, int bmax){
        red_min = rmin; green_min = gmin; blue_min = bmin;
        red_max = rmax; green_max = gmax; blue_max = bmax;
        points = new ArrayList<>();
        for(Map.Entry<Integer,Integer> entry : map.entrySet()) {
            int red   = (entry.getKey() & 0x00ff0000) >> 16;
            int green = (entry.getKey() & 0x0000ff00) >> 8;
            int blue  = entry.getKey() & 0x000000ff;
            if(insideCube(red,green,blue))
                points.add(new MyPoint(red,green,blue,entry.getValue()));
        }
    }

    /**
     * checks if point is inside cube.
     * @param r red value
     * @param g green value
     * @param b blue value
     * @return true if inside else false
     */
    private boolean insideCube(int r, int g, int b) {
        if((r > red_min && r <= red_max) &&
                (g > green_min && g <= green_max) &&
                (b > blue_min && b <= blue_max))
            return true;
        return false;
    }

    /**
     * cuts the Cube into two cubes by red value.
     * @return List containing the new Cubes (left and right | up and down | front and back).
     */
    private ArrayList<Cube3D> r_cut() {
        
        return null;
    }
    
    /**
     * cuts the Cube into two cubes by green value.
     * @return List containing the new Cubes (left and right | up and down | front and back).
     */
    private ArrayList<Cube3D> g_cut() {

        return null;
    }

    /**
     * cuts the Cube into two cubes by blue value.
     * @return List containing the new Cubes (left and right | up and down | front and back).
     */
    private ArrayList<Cube3D> b_cut() {
        
        return null;
    }
    
    public int getValue() {
        int val = 0;
        for(MyPoint p : points) {
            val += p.value;
        }
        return val;
    }

    /**
     * my point class to safe cords of point and value
     */
    public class MyPoint {
        public int[] cords;
        public int value;

        public MyPoint(int x, int y, int z, Integer val) {
            cords = new int[3];
            cords[0] = x; cords[1] = y; cords[2] = z;
            value = val;
        }
    }
}