Chemistry!

int fillDuration = 5000;

int overflowDuration = 1000;

color testTubeColor = #DCF8FA;

color bgColor = #2F536A;

color chemicalColor = #C4FF05;

color explosionColor = #FA67EC;

​

void setup(){

 size(400,700);

 background(bgColor); 

}

​

​

​

void draw(){

  stroke(testTubeColor);

  strokeWeight(150);

  strokeCap(SQUARE);

  line(200,100, 200,550);

  strokeCap(ROUND);

  line(200,500, 200,550);

  strokeWeight(120);

  strokeCap(ROUND);

  stroke(chemicalColor);

  line(200,530, 200,550);

  strokeCap(SQUARE);

  float topFillEdge = 530-millis()/15;

  for (int i=1; i<2; i++) {

    line(200,530, 200,topFillEdge);

    if (topFillEdge>110) {

      noStroke();

    }

  }

​

  strokeWeight(121);

  strokeCap(SQUARE);

  stroke(bgColor);

  line(200,0, 200,110);

  //explosion!!

  if (millis()>5000){

  strokeWeight(120);

  strokeCap(ROUND);

  stroke(explosionColor);

  line(200,530, 200,550);

  strokeCap(SQUARE);

  line(200,530, 200,0);

  fill(explosionColor);

  noStroke();

  quad(0,0, 140,110, 260,110, 400,0);

  strokeWeight(2);

  stroke(#FCB2F5);

  strokeCap(ROUND);

  for (int i=1;i<120;i++){

    line(140+i,110, random(0,400),0);

  }

  }

  strokeWeight(30);

  strokeCap(ROUND);

  stroke(testTubeColor);

  line(170,400, 170,140);

}