ObjetoGrafico.java

   1 
   2 import java.awt.Graphics;
   3 import java.awt.Rectangle;
   4 /**
   5  * @author Juan  Carlos  Verano  Estrada   u  catolica de colombia  
   6  * @author Fernando Gomez Cruz   u catolica de  colombia
   7  */
   8 
   9 
  10 public abstract class ObjetoGrafico  {
  11         private boolean visible=false;
  12         protected int posX;
  13         protected int posY;     
  14         protected int ancho;
  15         protected int alto;
  16         public ObjetoGrafico(int x,int y,int an,int al){
  17                 posX = x;
  18                 posY = y;               
  19                 ancho= an;
  20                 alto= al;
  21         }
  22                         
  23         public abstract void paint(Graphics g);
  24         
  25         public void setAncho (int an){
  26                 ancho = an;
  27         }
  28         public void setAlto (int al){
  29                 alto = al;
  30         }       
  31         public  void moverArriba(int dy){
  32                 posY -= dy;     
  33         }
  34         public  void moverAbajo(int dy){
  35                 posY += dy;
  36         }
  37         public  void moverIzquierda(int dx){
  38                 posX -= dx;
  39         }
  40         public  void moverDerecha(int dx){
  41                 posX += dx;
  42         }
  43         
  44         public boolean getVisible(){
  45                 return visible;
  46         }
  47         
  48         public void setVisible(boolean v) {
  49                 visible = v;
  50         }
  51         
  52         public  int getPosX(){
  53                 return posX;
  54         }
  55         
  56         public  int getAncho(){
  57                 return ancho;           
  58         }       
  59         
  60         public  int getAlto(){
  61                 return  alto;
  62         }       
  63         
  64         public int getPosY(){
  65                 return posY;
  66         }       
  67         
  68         
  69         public void setPosX(int x) {
  70                  posX = x;
  71         }
  72         
  73         public void setPosY(int y) {
  74                  posY = y;
  75         }
  76 
  77         public boolean colisiona(ObjetoGrafico otro) {
  78                 Rectangle r1=new Rectangle(posX,posY,ancho,alto);
  79                 Rectangle r2=new Rectangle(otro.posX,otro.posY,otro.ancho,otro.alto);
  80                 return r1.intersects(r2) && getVisible() && otro.getVisible();
  81         }
  82   
  83 }
  84 
  85 
  86