Modify a text file: $/x212Ng1.txt

$/x212Ng1.txt

float x,y, wall;

float blocks;

float ballX, ballY, xspeedball=5, yspeedball=-2;

//Pacman

//Albert Ng

void setup() 
{

size( 480, 240 ); 
            // RESET:  // Start the sun half-way across the screen.

ballX=  width/2; 
            ballY=  height/2; 
}
void draw() 
{

// SCENE:  Maze

background( 0, 0, 0 );                    // Black background

fill( 255, 255, 0 );

ellipse( ballX, ballY, 20,20 );                   // Pacball

fill(0, 0, 255 );             
            rect( 0, 0, 480,10 );                        //Wall boundaries
            rect( 0, 230, 480,10 );
            rect( 0, 10, 10, 280 );
            rect( 470, 10, 10, 280 );

rect( 30, 40, 100, 20 );                      //Maze
            rect( 30, 90, 100, 20 ); 
            rect( 200, 200, 10, 60 );
            
            action();
            messages();
}
      
void action() {            
  fill(255, 255, 255);
  ballX=ballX + xspeedball;
  ballY=ballY - yspeedball;

if (ballX > width-20) { xspeedball = -xspeedball; }
  if (ballX < wall) { xspeedball = - xspeedball;  }

if (ballY < wall+10 ) { yspeedball = - yspeedball;  }
  if (ballY > height-20 ) { yspeedball = - yspeedball;  }
  
  /*
            rect( 30, 40, 100, 20 );                      //Maze
            rect( 30, 90, 100, 20 ); 
            rect( 200, 200, 10, 60 );
  */

// Bounce off maze surface at:      rect( 30, 40, 100, 20 );                      //Maze
  if (yspeedball<0 
      && ballY>40 && ballY<40+5 
      && ballX>30 && ballX<130 
   ) { yspeedball = - yspeedball; }
  if (yspeedball>0 
      && ballY>40+20 && ballY<40+20+5 
      && ballX>30 && ballX<130 
   ) { yspeedball = - yspeedball; }

// Bounce off bottom maze surface at:    rect( 30, 90, 100, 20 ); 
  if (yspeedball>0 
      && ballY>90+20 && ballY<90+30 
      && ballX>30 && ballX<130 
   ) { yspeedball = - yspeedball; }
  if (yspeedball<0 
      && ballY>90 && ballY<90-10 
      && ballX>30 && ballX<130 
   ) { yspeedball = - yspeedball; }

}

void messages() {
            // MESSAGES. 
            fill(255,255,255);

// Also display the author and file name.

text( "Maze Test: Albert Ng", 10, height-10 ); 
}

void mousePressed() {
  ballX=80;
  ballY=75;
}