Modify a text file: $/39/p4b.java

$/39/p4b.java

//// Creatures, using Objects.

///// Project 3-1c

String title="Project 3-1c \n (methods with args)", author="BAM";
boolean debug=false;
float bugX,bugY;

color skyColor=color(200,220,255);
color seaColor=color(50,200,100);
color grassColor=color(0,150,50);
float sealevel=100, waveSize=20, waveSpacing=20;
float buttonX, buttonY;

// Creatures //

Creature octo, squid, lobster;

void setup() {  
  //// Init.
  size(640,480); 
  buttonX=width-200;
  buttonY=height-100;
  // Create the creatures //
  octo=  new Creature();
  squid=  new Creature(60, 40, 0, 10);
  squid.r=255;
  lobster=  new Creature(30, 50, 4, 0 );
  lobster.g=255;
  
}
void draw() {
  //// Next frame
  scene();  
  action();
}
void scene() {
  //// sky +_ ocean
  background( 200, 200, 255 );
  fill( 100,200,100 );        // Sea
  rectMode( CORNER );
  rect( 0,100, width, height -100 ); 
}

void action() {
  //// Move creatures.
  octo.dx=  (mouseX -octo.x ) / 20;
  octo.dy=  (mouseY - octo.y) / 20;
  octo.move();
  squid.dx=  (octo.x - squid.x) / 60;
  squid.dy=  (octo.y - squid.y) / 60;
  squid.move();
  lobster.dx=  (squid.x - lobster.x) / 60;
  lobster.dy=  (squid.y - lobster.y) / 60;
  lobster.move();
  //// Draw creatures.
  octo.show();
  squid.show();
  lobster.show();
  text (octo.x, 10,10 );

}

class Creature {
  //// Define creature with arms and legs
  float x=200, y=200, dx=3, dy=2;
  float w=80, h=120;
  int arms=0, legs=8;
  int r=255, g=0, b=0;
  //// CONSTRUCTORS ////
  Creature(  ) {
    //// Default constructor
    x=  random( width/4 );
    y= random( 100, height/4 );    
}    
  Creature( float w, float h, int arms, int legs ) {
    //// 4-arg Constructor
    x=  random( width/4 );
    y= random( 100, height/4 );    
    dx=  3-random( 6 );
    dy= 2-random( 4 );    
    this.w=  w;
    this.h=  h;
    this.arms=  arms;
    this.legs=  legs;
    r=  int( random( 0, 150 ) );
    g=  int( random( 100, 250 ) );
    b=  int( random( 0, 150 ) );
  }    
  //// METHODS ////
  void move() {
    ////
    x += dx;
    y += dy;
  }
  void show() {
    ////
    fill( r,g,b );
    rectMode( CENTER );
    rect( x,y, w,h );

//// Legs 
    strokeWeight(3);
    float legX, legY;
    legX= x - w/2;
    legY=  y + h/2;
    for ( int j=0; j<legs; j++ ) {
      leg( legX, legY );
      legX +=  w / legs;
    }

//// arms 
    strokeWeight(3);
    float armX, armY;
    armX=  x - w/2 - 15;
    armY=  y - h/2;
    for ( int j=0; j<arms; j++ ) {
      arm( armX, armY );
      armY +=  h / arms;
    }
    armX=  x + w/2;
    armY=  y - h/2;
    for ( int j=0; j<arms; j++ ) {
      arm( armX, armY );
      armY +=  h / arms;
    }
    strokeWeight(1);
  }
  void leg( float x, float y ) {
    //// Draw one leg (20-pixels long).
    line( x, y,  x-dx, y+20 );
  }
  void arm( float x, float y ) {
    //// Draw one arm (20-pixels long).
    line( x, y,  x+12, y-dy );
  }
}// class Creature ////