Modify a text file: $/p1drifting.pde

$/p1drifting.pde

// BAM:  Creature chases mouse, changes direction, color, size, direction, etc.
//    Fancy version -- birds, fling letters, etc.
int xsize=600, ysize=400;  // screen size

// Creature coordiantes. //
int x=125, y=125;          // (x,y) coordinates for center of creeature.
int dx=1, dy=1;
float mw=1.0, mh=1.0;      // maginifiers
int fathead=0;

String s= "monsters";              // Empty string; add keys to this.

int birdX, birdY;        // Coordiantes for the flock of birds.

void setup() {
  //
  size(xsize, ysize);
  println(frameRate);
  frameRate(30);
}

void draw() {
  //
  background(230, 220, 255);
  rectMode(CENTER);
  ellipseMode(CENTER);

// How far away is the mouse?
  int xx=  x-mouseX;
  int yy=  y-mouseY;
  float  xFar, yFar, xAway, yAway;
  xFar=  (float) (xx) / (float) xsize;
  yFar=  (float) (yy) / (float) ysize;
  xAway=  abs(xFar);
  yAway=  abs(yFar);

//// CREATURE DESCRIPTION ////

fill(63, 255, 63);    // Body:  60x80 rect green teeshirt.
  noStroke();
  rect( x, y, 60*mw, 80*mh);

// Head:  35x30 red ellipse.
  int xHead=x, yHead= y - 60;      // (Move up by 1/2 of shirt and head.
  fill(255, 192, 63);    
  ellipse( x, yHead, 30+fathead, 40+fathead);
  fill(255, 192, 63);            // Ears
  ellipse( x-20, yHead-5, 15, 15);
  ellipse( x+20, yHead-5, 15, 15);
  fill(127, 63, 63);              // Toupee
  ellipse( x, yHead-20, 24, 6);

int redEye=0, greenEye=0, blueEye=0;
  if ( x < mouseX-20) redEye=255;
  if ( x > mouseX+20) greenEye=255;
  if ( y > mouseY+20) blueEye=255;
  fill(redEye, greenEye, blueEye);

ellipse( x-8-10*xFar, y-65, 10, 10);        // Eyes
  ellipse( x+8-10*xFar, y-65, 10, 10);

stroke(255, 0, 0);               // Mouth
  strokeWeight(2);
  fill(255, 255, 255);
  float bigMouth=  abs(yAway*20);
  ellipse( x, y-48, 20.0, 4+bigMouth);

noStroke();                    // Nose
  fill(255, 127, 63);    
  ellipse( x, y-60, 8, 12);

fill(127, 255, 127);    // Sleeves:  60x80 rect green teeshirt.  
  rect( x-45, y-25, 30*mw, 20*mh);  // Left sleeve
  rect( x+45, y-25, 30*mw, 20*mh);

fill(255, 127, 63);    
  rect( x-65, y-25, 10, 15);  // Left hand
  rect( x-70, y-30, 10, 5);  // Left finger
  rect( x+65, y-25, 10, 15);  // Right hand
  rect( x+70, y-30, 10, 5);  // Right finger

fill(255, 0, 255); 
  text( "HELP!!", x-20, y-10);     // Red label for shirt.
  fill(0, 0, 0);                   // Bellybutton
  rect( x, y, 2, 2);

stroke(0, 0, 255);               // Legs
  strokeWeight(12);
  line( x-20, y+40, pmouseX-45, pmouseY+100);
  line( x+20, y+40, pmouseX+45, pmouseY+100);
  stroke(192,192,0);                // Shoes
  strokeWeight(2);
  fill(128,64,0);
  rectMode(CENTER);
  rect( pmouseX-45, pmouseY+100, 25, 15);
  rect( pmouseX+45, pmouseY+100, 25, 15);

//// END OF CREATURE DESCRIPTION. ////

// Put a shield on left hand.)
  shield(x-80, y-60, 20); 
  rectMode(CENTER);
  ellipseMode(CENTER);

// Drifting creature.
  x += dx;    // Drift diagonally;
  y += dy;

x = x<0? xsize-1 : x;  
  y = y<0? ysize-1 : y;  // Force >=0 (wrap)
  x = x % xsize;  
  y = y % ysize;            // Constrain to size of sketch

//// Keystrokes create monsters to follow the creature. ////
  flyingKeys( pmouseX, pmouseY);

//// Flocks of birds fly by, every second. //// 
  println(frameCount);
  if ((frameCount % (int) frameRate) == 0 ) {
    // Every second, pick a y value for the birds;
    birdX = (int) random( xsize );
    birdY = (int) random( ysize );
    text( "BIRDS:  ", 10, 20); text(birdX, 50, 20); text(birdY, 70, 20);
  }
  // Fly the birds for 6 frames only.
  if ((frameCount % (int) frameRate) < 10) {
    flyingBirds( birdX/2, birdY/2);
    birdX += 30;
    birdY +=10;      // Keep moving
    text( "BIRDS:  ", 10, 20); text(birdX, 50, 20); text(birdY, 70, 20);
  }

}

void mouseClicked() {
  // Capture mouse x,y when clicked.
  x=  mouseX;
  y=  mouseY;

// Change direction toward mouse.
  if (x < xsize/2) dx= -1;  else dx=1;
  if (y < ysize/2) dy= -1;  else dy=1;
}

void keyPressed() {
  s = s + key;              // Append key to string.
  if (s.length() >30) s=""+key;
  fathead = (fathead+10) % 100;

// Capture mouse x,y when clicked.
  x=  mouseX;
  y=  mouseY;
  dy = dx*dy;             // Reverse direction.
  dx = -dx;

// Bump magnification factors, when clicked.
  /*
  mw *= 1.1;
   mh *= 1.2;
   */
}

void flyingBirds(int x, int y) {
  // Flying birds.
  strokeWeight(1);
  stroke( 255,0,0 );
  fill( 0, 255, 255);
  
  triangle( x,y, x+20,y, x,y+10 );
  x +=50;
  y +=5*dy;
  triangle( x,y, x+20,y, x,y+10 );
  x +=50;
  y +=5*dy;
  triangle( x,y, x+20,y, x,y+10 );
  x +=50;
  y +=5*dy;
  triangle( x,y, x+20,y, x,y+10 );
  x +=50;
  y +=5*dy;
  triangle( x,y, x+20,y, x,y+10 );
  x +=50;
  y +=5*dy;
  triangle( x,y, x+30,y, x,y+15 );  // Big Bird in the lead.
}

void flyingKeys(int x, int y) {
  // Flying key(s)

text(s, x, y);

int xkey, ykey;
  xkey=  x+50  - dx*60;
  ykey=  y  - dy*80;

text(key, xkey, ykey);
  xkey += 10*dx;  
  ykey += 10*dy;

text(key, xkey, ykey);
  xkey += 10*dx;  
  ykey += 10*dy;  
  text(key, xkey, ykey);
  xkey += 10*dx;  
  ykey += 10*dy;  
  text(key, xkey, ykey);
  xkey += 10*dx;  
  ykey += 10*dy;  
  text(key, xkey, ykey);

fill(127);
  text( "Beware of the flying ", 10, 10);
  fill(0);
  text( s, 120, 15);
}

void shield( float xShield, float yShield, float side) {
  // Draw a stop sign, centered at (x,y), black borders, white center, "STOP" text.
  
  //// Draw a red, octagonal stop sign, with side=s.
  float a=  (sqrt(2.0) * side) / 2;      // Adjacent side of 45-degree triangle.
  float w=  side + (sqrt(2.) * side);       // Width of enclosing square.

/*
  text("WIDTH:", 10,10);    text(w, 70,100);
  text("SIDE:", 10,120);     text(s, 70,120);
  text("ANGLE:", 10,140);    text(a, 70,140);
*/

float x1=  xShield - w/2,     y1=  yShield - w/2;
  float x2=  xShield - side/2,  y2=  yShield - side/2;
  float x3=  xShield + side/2,  y3=  yShield + side/2;  
  float x4=  xShield + w/2,     y4=  yShield + w/2;
  // float x2=  x - w/2 + a;

/*
  text("x1,y1", 10,200);    text(x1, 50,200);      text(y1, 100,200);
  text("x2,y2", 10,220);    text(x2, 50,220);      text(y2, 100,220);
  text("x3,y3", 10,240);    text(x3, 50,240);      text(y3, 100,240);
  text("x4,y4", 10,260);    text(x4, 50,260);      text(y4, 100,260);
*/

// Draw an octagon.
  //rectMode(CORNERS);
  noStroke();

fill(255,0,0); 
  quad( x1,y2, x2,y1, x3,y1, x4,y2 );
  fill(255, 255, 255);                      // White middle section! 
  quad( x1,y2, x4,y2, x4,y3, x1,y3 );
  fill(255,0,0); 
  quad( x1,y3, x2,y4, x3,y4, x4,y3 );
  
  fill(0,0,0); 
  text( "S T O P", xShield-20, yShield+5 );

stroke(0); strokeWeight(2);
  line( x1,y2, x2,y1);  line(x2,y1, x3,y1);  line(x3,y1, x4,y2);
  line( x4,y2, x4,y3); 
  line( x4,y3, x3,y4);  line(x3,y4, x2,y4);  line( x2,y4, x1,y3); 
  line( x1,y3, x1,y2);

}