ObjetoGrafico.java

   1 /**
   2  *@author Andres Felipe Quevedo vega. andresfe118@hotmail.com
   3  */
   4 import java.awt.*;
   5 import java.io.Serializable;
   6 
   7 public abstract class ObjetoGrafico implements Serializable{
   8         private int x, y, ancho, alto,direccion;
   9         private boolean visible=true;
  10 
  11         public ObjetoGrafico (int posx, int posy, int an, int alt) {
  12                 x = posx;
  13                 y = posy;
  14                 ancho = an;
  15                 alto = alt;
  16                 direccion = 1;
  17         }
  18         public boolean getVisible(){
  19                 return visible;
  20         }
  21         public void setVisible (boolean v){
  22                 visible=v;
  23         }
  24         public boolean colisiona (ObjetoGrafico otro){
  25                 if (!getVisible ()){
  26                         return false;
  27                 }
  28                 if (!otro.getVisible ()){
  29                         return false;
  30                 }
  31                 if (this==otro){
  32                         return false;
  33                 }
  34                 Rectangle r1= new Rectangle (x, y, ancho, alto);
  35                 Rectangle r2= new Rectangle (otro.x, otro.y, otro.ancho, otro.ancho);
  36                 return r1.intersects(r2);
  37         }
  38         public abstract void paint (Graphics g);
  39         public int getX (){
  40                 return x;
  41         }
  42         public int getY (){
  43                 return y;
  44         }
  45         public int getAncho (){
  46                 return ancho;
  47         }
  48         public int getAlto (){
  49                 return alto;
  50         }
  51         public void incX(int dx){
  52                 if (x+getAncho()>= 615) {
  53                         direccion = -1;
  54                 }
  55                 else if (x <= 0){
  56                         direccion = 1;
  57                 }
  58                 x += dx *direccion;
  59 
  60         }
  61         public void incY(int dy){
  62                 if (y>=620){            
  63                 }
  64                 else{
  65                         y+=dy;
  66                 }
  67         }
  68         public void decX (int dx){
  69                 if (x <= 0) {
  70                         x+=dx;
  71                 }
  72                 else{
  73                         x-= dx;
  74 
  75                 }
  76         }
  77 
  78         public void decY (int dy){
  79                 y-=dy;
  80         }
  81 }