Modify a text file: $/ashley.java

$/ashley.java

class Fish {
      // Fishes swim
      float x=200,y=200, dx=5, dy=.30, w=80,h=30;
      int r= 100,g=8,b=90;	// Color
      String name="";
      int glitter=0;
      
      // METHODS //
      void show() {
        // Draw the fishes.
        fill(r+random(glitter), g+random(glitter), b+random(glitter));
        ellipse( x,y,w,h );
        float front=x-15+w/2, back=x+15-w/2;
        if (dx<0) {
          front=x+15-w/2; back=x-15+w/2;
        }
        triangle( back,y, back-20,y-10, back-20,y+10 );		// Tail
        fill(155);  // eye
        strokeWeight(1);
        ellipse( front, y-10, 10, 10 );
        //
        textSize(20);
        fill( 255-r, 255-g, 255-b );
        text( name, x-25, y );
      }
      void move() {
        //move the fishes
        x += dx;
        y += dy + random( -3, +3 );
        if (x>right-w) { dx=  -dx; }

if (x<left+w) dx= -dx;
        if (y<top+h) dy= -dy;
        if (y>bottom-25+h) dy=  -dy;
      } 
       
      boolean hit( float x, float y ) {
        // boolean/if/return true statement
        if (x < x-w/2 || x > x+w/2) return false;
        if (y < y-h/2 || y > y+h/2) return false;
        return true;    // Hit detected.
      }
      //// CONSTRUCTORS //
      Fish( ) {
        // Create default constructor, with no args.
        randomstart();
        randomcolor();
      }
      Fish( String s ) {
        // One-arg constructor, with name
        name=  s;
        randomstart();
        randomcolor();
      }
      Fish( String s, int r, int g, int b ) {
        // 3-arg constructor, with name & color
        name=  s;
        this.r= r;
        this.g= g;
        this.b= b;
        randomstart();
        randomcolor();
      }
      void randomstart() {
        x=  random( left+150, right-150 );
        y=  random( top+150, bottom-150 );
        dx=  random( 1, 5 );
        dy=  random( 1, 3 );
      }
      void randomcolor() {
        r=  int( random(255) );
        g=  int( random(255) );
        b=  int( random(255) );
      }
      Fish( float x, float y, 
        String s, int r, int g, int b ) {
        // 6-arg constructor, with xy, dx,dy, name & color
        this.x= r;
        this.y= r;
        name=  s;
        this.r= r;
        this.g= g;
        this.b= b;
      }
      Fish( float x, float y, float dx, float dy, 
        String s, int r, int g, int b ) {
        // 8-arg constructor, with xy, dx,dy, name & color
        this.x= r;
        this.y= r;
        this.dx= dx;
        this.dy= dy;
        name=  s;
        this.r= r;
        this.g= g;
        this.b= b;
      }
}//END class Fish 
    
// "Button" class
    class Button {
      // Button
    }

// GLOBALS:  
      String title="Fish project";
      String news="r to reset; e to exit";

float left, top, right, bottom;
//      float left=50, top=50, right=550, bottom=350;
      Button b1;			// 
      Fish charlie, sarah;		// Declare the object		// 	
      int many=3, toomany=20;
      Fish[] school=  new Fish[toomany];
      //
      void setup() {
          // Setup screen; instantiate object(s).
          size( 600, 400 );
          left=  50;
          right=  width-50;
          top=50;
          bottom=  height-50;
          reset();
      }
      void reset() {
        // Reset everything.		// 
        // Instatiate the fishes.
        charlie=  new Fish( "Charlie", 255, 150, 100 );
        sarah=  new Fish( charlie.x, charlie.y+100, 
            "Sarah", 200, 150, 200 );
        many=3;
        school[0]=  charlie;
        school[1]=  sarah;
        //
        school[2]=  new Fish( "Rainbow", 50, 100, 50 );
        school[2].glitter= 125;
        //
        many=12;
        for (int i=3; i<many; i++ ) {
          school[i]=  new Fish( ""+i );
        }
        //
        b1=  new Button();
      } 
      //
      void draw() {
          // Next frame
          scene();    // background, tank, etc.
          showAll();    // Draw the fish, buttons, etc.
          action();    // Move fish, check collisions, etc.
      }
      void showAll() {
        // Show fish, buttons, etc.				 
/*
        charlie.show();						
        sarah.show();						
*/
/*
        school[0].show();						
        school[1].show();						
*/
        for (int i=0; i<many; i++) {
          school[i].show();
        }
        //	b1.show();
      }
      void action() {
        // Move fish.						
        /*
        charlie.move();						
        sarah.move();
        */
        for (int i=0; i<many; i++) {
          school[i].move();
        }
      }
      void scene() {
        // Tank
	background( 55, 255, 55 ); 
        fill( 150, 200, 250 );
        rectMode( CORNERS );
        rect( left,top, right,bottom );
      }
      // EVENT HANDLERS 
      void keyPressed() {
        //// Handle keys.
        if (key == 'e') exit();
        if (key == 'r') reset();
      }