Triangle Swimming

Triangle Swimming

float x1=0, speedx1 = 1;
float y1=0, speedy1 = 1;
float x2=100, speedx2 = 1;
float y2=100, speedy2 = 1;
float x3=0, speedx3 = 1;
float y3=200, speedy3 = 1;
float r=random(8,19);
float g=random(50,255);
float b=random(50,255);

void setup(){
  size(500,500);
  smooth();
  frameRate(25);
  background(255);
}

void draw(){

  g = g+1;
  b = b+1;
  
  float randIncX1 = random(-1,1);
  float randIncY1 = random(-1,1);
  float randIncX2 = random(-1,1);
  float randIncY2 = random(-1,1);
  float randIncX3 = random(-1,1);
  float randIncY3 = random(-1,1);
  
  speedx1=speedx1 + randIncX1;
  speedy1=speedy1 + randIncY1;
  speedx2=speedx2 + randIncX2;
  speedy2=speedy2 + randIncY2;
  speedx3=speedx3 + randIncX3;
  speedy3=speedy3 + randIncY3;
  
  x1 = x1 + speedx1;
  y1 = y1 + speedy1;
  x2 = x2 + speedx2;
  y2 = y2 + speedy2;
  x3 = x3 + speedx3;
  y3 = y3 + speedy3;
  
  if (x1 >width || x1 <0){
    speedx1 = -speedx1;
  }
  if (x2 >width || x2 <0){
    speedx2 = -speedx2;
  }
  if (x3 >width || x3 <0){
    speedx3 = -speedx3;
  }
  
    if (y1 >height || y1 <0){
    speedy1 = -speedy1;
  }
  if (y2 >height || y2 <0){
    speedy2 = -speedy2;
  }
  if (y3 >width || y3 <0){
    speedy3 = -speedy3;
  }
  
  if (g > 255){
    g=50; 
  }
  if (b > 255){
    b=50; 
  }
  
  
  noStroke();
  fill(r,g,b);
  triangle(x1,y1, x2,y2, x3,y3);
  }

void keyPressed(){
 background(255); 
}