package liceum28; 
import java.awt.*; 
public class _3d 
{ 
  public static double sa,ca,sf,cf; 
  public static pkt3d k_3d=new pkt3d(0,0,0); 
  //------------------------------------------------------------
  public static void rzutowanie(int alfa,int fi) 
  {double alfa_=alfa*Math.PI/180; 
    double fi_=fi*Math.PI/180; 

    sa=Math.sin(alfa_); 
    ca=Math.cos(alfa_); 
    sf=Math.sin(fi_); 
    cf=Math.cos(fi_); 
  } 
  //------------------------------------------------------------
  public static pkt3d p3d(double a,double b,double c) 
  { 
    return(new pkt3d(a,b,c)); 
  } 
  //------------------------------------------------------------
  public static pkt2d rzut(pkt3d p) 
  { 
    return(new pkt2d(p.y*sa+p.x*ca,(p.y*ca-p.x*sa)*sf+p.z*cf)); 
  } 
  //------------------------------------------------------------
  public static void punkt(Graphics g,pkt3d p) 
  { 
    lo28.punkt(g,rzut(p)); 
  } 
  //------------------------------------------------------------
  public static void pisz(Graphics g,pkt3d p,String zd) 
  { 
    lo28.pisz(g,rzut(p),zd); 
  } 
  //------------------------------------------------------------
  public static void kropka(Graphics g,pkt3d p,Color kolor) 
  { 
    lo28.kropka(g,rzut(p),kolor); 
  } 
  //------------------------------------------------------------
  public static void linia(Graphics g,pkt3d p,pkt3d k) 
  { 
    lo28.linia(g,rzut(p),rzut(k)); 
    k_3d.war(k.x,k.y,k.z); 
  } 
  //------------------------------------------------------------
  public static void kursor(Graphics g,pkt3d p) 
  { 
    k_3d.war(p.x,p.y,p.z); 
  } 
  //------------------------------------------------------------
  public static void kreska(Graphics g,pkt3d k) 
  { 
    linia(g,k_3d,k); 
    k_3d.war(k.x,k.y,k.z); 
  }
}