One Drop (Simple)

float dropXPosition;

float dropYPosition;

float dropYSpeed;

float dropWidth = 20;

​

void setup() {

  size(400, 600);

  dropXPosition = random(width);

  dropYPosition = random(height);

  dropYSpeed = random(5, 10);

  dropWidth = 20;

  noStroke();

}

​

void draw() {

  background(#D3EAE8);

  displayDrop();

  moveDrop();

}

void displayDrop() {

  fill(100, 120, 255);

  triangle(dropXPosition-dropWidth/2, dropYPosition, 

    dropXPosition+dropWidth/2, dropYPosition, 

    dropXPosition, dropYPosition-dropWidth);

  ellipse(dropXPosition, dropYPosition, dropWidth, dropWidth);

}

​

void moveDrop() {

  dropYPosition += dropYSpeed;

​

  if (dropYPosition > height) {

    //reset at top

    dropYPosition = 0;

    dropXPosition = random(width);

    dropYSpeed = random(5, 10);

  }

}