/** 
Press any key or click the mouse in the square to scatter cherry blossom petals
*/

Petals[] petals=new Petals[1];  //declare the petals array
float gravity = 0.2;

void setup()
{
  size(600,600);
  smooth();
  noStroke();
  frameRate(30);
  petals[0] = new Petals(mouseX,mouseY);
  background(#28DB26);
}

void draw()
{
  background(#28DB26); //clear background to simulate movement
  for (int i = 0; i < petals.length; i++){
  petals[i].gravity();  
  petals[i].move();
  petals[i].display();
  }
}

void keyPressed(){
    //adds random petals
   Petals q = new Petals(mouseX,mouseY);
  petals = (Petals[]) append(petals,q);
}

class Petals {
   // class variables (data)
   float x1, y1, x2, y2, x3, y3, x4, y4;
   float speed;
   
   //class contructor   
   Petals(float tempX, float tempY){
     x1 = tempX;
     y1 = tempY;
     x2 = tempX + random(-10,10);
     y2 = tempY + random(-10,10);
     x3 = tempX + random(-10,10);
     y3 = tempY + random(-10,10);
     x4 = tempX + random(-15,15);
     y4 = tempY + random(-15,15);
     speed = 0;
   }
   
   // class methods (functions)
   
   void gravity(){
   speed = speed + gravity;
   }
   
   void move(){
     //petals are pulled downwards by gravity
     y1 = y1 + speed; 
     y2 = y2 + speed;
     y3 = y3 + speed;
     y4 = y4 + speed;
     
     //petals spread out randomly
     x1 = x1 + random(-5,5);
     x2 = x2 + random(-5,5);
     x3 = x3 + random(-5,5); 
     x4 = x4 + random(-5,5);
   }

   void display(){
     fill(#FF83B1); //pink
     triangle(x1,y1,x1+random(-15,15),y1+random(-15,15),x1+random(-15,15),y1+random(-15,15));
     fill(#FFFFFF); //white
     triangle(x2,y2,x2+random(-15,15),y2+random(-15,15),x2+random(-20,20),y2+random(-15,15));
     fill(#FF83B1); //pink 
     triangle(x3,y3,x3+random(-15,15),y3+random(-15,15),x3+random(-20,20),y3+random(-15,15));
     fill(#FCB5B5); //light pink 
     triangle(x4,y4,x4+random(-15,15),y4+random(-20,20),x4+random(-20,20),y4+random(-15,15));
   }
}