package org.jzy3d.plot3d.builder.concrete;

import java.util.ArrayList;
import java.util.List;

import org.jzy3d.maths.Coord3d;


public class SphereScatterGenerator {
	public static List generate(float radius, int steps){
		return generate(null, radius, steps, false);
	}
	
	public static List generate(Coord3d center, float radius, int steps){
		return generate(center, radius, steps, false);
	}
	
	public static List generate(Coord3d center, float radius, int steps, boolean half){
    	List coords = new ArrayList(1500); // TODO optimize
        
        double inc = Math.PI / steps;
        double i = 0;
        int jrat = half?1:2;
        while(i<(2*Math.PI)){
        	double j = 0;
        	while(j<(jrat*Math.PI)){
        		Coord3d c = new Coord3d(i,j,radius).cartesian();
        		if(center!=null){
        			c.x += center.x;
        			c.y += center.y;
        			c.z += center.z;
        		}
                coords.add( c );
        		j+=inc;
            }
        	i+=inc;
        }
        return coords;
    }
}