programa Middle Graficos

import javax.microedition.midlet.*;

import javax.microedition.lcdui.*;

public class Juego extends MIDlet {

public void startApp() {

SSCanvas screen=new SSCanvas();

Display.getDisplay(this).setCurrent(screen);

new Thread(screen).start();

}

public void pauseApp() {

}

public void destroyApp(boolean unconditional) {

}

}

class SSCanvas extends Canvas implements Runnable{

private Sprite snake;

private Sprite player;

public SSCanvas(){

snake= new Sprite(50,50,10,10);

player = new Sprite(118,70,10,10);

}

public void run(){

while(true){

snake.compute(getWidth(),getHeight());

player.computePlayer(getWidth(),getHeight());

repaint();

serviceRepaints();

try {

Thread.sleep(30);

} catch (InterruptedException e) {

}

}

}

public void paint(Graphics g){

g.setColor(0,0,0);

g.fillRect(0,0,getWidth(),getHeight());

g.setColor(128,0,255);

g.fillRect(60,70,50,50);

g.setColor(0,255,0);

g.fillRoundRect(8,50,8,8,8,8);

g.setColor(255,0,255);

player.draw(g);

}

public void keyReleased(int keyCode) {

int action=getGameAction(keyCode);

switch (action) {

case LEFT:

player.keyUp(player.LEFT);

break;

case RIGHT:

player.keyUp(player.RIGHT);

break;

case UP:

player.keyUp(player.UP);

break;

case DOWN:

player.keyUp(player.DOWN);

break;

case FIRE:

break;

}

}

public void keyPressed(int keyCode) {

int action=getGameAction(keyCode);

switch (action) {

case LEFT:

player.keyPress(player.LEFT);

break;

case RIGHT:

player.keyPress(player.RIGHT);

break;

case UP:

player.keyPress(player.UP);

break;

case DOWN:

player.keyPress(player.DOWN);

break;

case FIRE:

break;

}

}

}

class Sprite{

protected int x;

protected int y;

protected int width;

protected int height;

protected int incX,incY;

private boolean startX=false;

private boolean startY=false;

protected static final int LEFT = 1;

protected static final int RIGHT = 2;

protected static final int UP = 3;

protected static final int DOWN = 4;

protected static final int FIRE = 5;

public Sprite(int x,int y,int width,int height){

this.x=x;

this.y=y;

this.width=width;

this.height=height;

incX=3;

incY=3;

}

public void compute(int screenW, int screenH){

if(x <= 0)incX=3;

else if(x+width >= screenW)incX=-3;

x+=incX;

}

public void computePlayer(int screenW, int screenH) {

if(x + incX > 0 && (x + incX) < (screenW - width)){

x+=incX;

if(startX==false)incX=0;

}

if(y + incY > 0 && (y + incY) < (screenH - height)){

y+=incY;

if(startY==false)incY=0;

}

}

public void keyUp(int keyCode) {

switch (keyCode) {

case LEFT:

startX=false;

break;

case RIGHT:

startX=false;

break;

case UP:

startY=false;

break;

case DOWN:

startY=false;

break;

}

}

public void keyPress(int keyCode) {

switch (keyCode) {

case LEFT:

incX=-5;

startX=true;

break;

case RIGHT:

incX=5;

startX=true;

break;

case UP:

incY=-5;

startY=true;

break;

case DOWN:

incY=5;

startY=true;

break;

case FIRE:

break;

}

}

public void draw(Graphics g){

if(incX==5 && incY==40){

g.setColor(180,0,0);

g.fillArc(x,y, width, height,0, 360);

}

else{

g.setColor(250,0,0);

g.fillArc(x,y, width, height,0, 360);

}

}

}

Nataly Garzón

Angélica Tellez