////Object-Based Excercise: Fish Tank////

//instructions: construct a fish tank with various fish 
// that move from left to right, and up and down.

// 1st step: make one fish that swims and bounces for now,
// give it a name 
    class Fish {
      // Fish gotta swim, birsds gotta fly ...
      float x=100,y=100, dx=5,dy=0, w=80,h=30;
      int r,g,b;	// Color
      String name="";
      // METHODS //
      void show() {
        // Draw the fish.
        fill(r,g,b);
        ellipse( x,y, w,h );
        float front=x+w/2, back=x-w/2;
        triangle( back,y, back-20,y-10, back-20,y+10 );		// Tail
        fill(255);  // eye
        strokeWeight(1);
        ellipse( front-15, y-10, 10, 10 );
      }
      void move() {
        //...
        dy=  dy + random( -1, +1 );
        x += dx;
        y += dy;
      } 
      boolean isHit( float x, float y ) {
        // Return true if (x,y) is within this fish!
        // +++++ STUB - we will code this later. +++++
        return false;  // ++++ fix this later ++++
      }
    }

float left=50, top=50, right=500, bottom=350;							// 
      Fish carlton;
      
void setup() {
  size( 650, 400);
  reset();
}

void reset() {
   // Reset everything.						// 

   // Instatiate it.		// 
   carlton= new Fish();
   carlton.name=  "Carlton";	
   //
} 

void draw() {
 scene();
 showAll();
 action();
}

void scene() {
  background ( 20, 20, 70);
  fill( 20, 80, 230 );
  rectMode(CORNERS);
  rect(left, top, right, bottom);
}

void action() {
  // Move fish
  collisions();
}

void collisions() {
  // ++++
}

void showAll() {
 // Show fish, buttons, etc.				// 						// 
}