Modify a text file: $/guydog2.java

$/guydog2.java

//////// Guy and dog, plus birds. ////////
// bam:2907a //

//// GLOBAL DATA ////
int birdX=100, birdY=100;  // Initial position of bird
int birdDX=20;

void setup() {
  size( 800, 600 );
}

void draw() {
  //// Move and show everything //
  scene();
  bird();
  guy();
  dog();
}

void scene() {
  //// Sky, sun, grass.
  background( 150, 200, 255 );
  fill( 255, 255, 0 );
  ellipse( width-100, 100, 40, 40 );
  fill( 100, 255, 100 );
  rectMode( CORNERS);
  rect( 0, height/3, width, height );
}

void bird() {
  //// Bird flies across screen.  (Press key to drop load.)
  birdX = birdX + birdDX;
  birdX = birdX % width;
  birdY = birdY + 5 - (int) random( 10 );
  fill( 200, 100, 200 );
  triangle( birdX,birdY, birdX-50,birdY-25, birdX-50,birdY+25 );
}

void guy() {
  //// Guy follows mouse.
  fill( 0,0,255 );        // Blue shirt
  rectMode( CENTER );
  rect( mouseX, mouseY, 60, 80 );
  fill( 255, 200, 200 );        // Pink face
  ellipseMode( CENTER );
  ellipse( mouseX, mouseY-40-15, 30,30 );
  // +++ add a hat?
}

void dog() {
  //// Dog chases guy.
  int dogX=pmouseX-50;
  int dogY=pmouseY+100;
  dogX = dogX + 5*( pmouseX-mouseX );
  dogY = dogY + 2*( pmouseY-mouseY );
  fill( 150, 50, 50 );
  rectMode( CORNER );
  rect( dogX, dogY, 40, 20 );
  rect( dogX+30, dogY-10, 20, 10 );    // Dog head

}