dashed_triangle.pde

// renaud.jean-francois(arobas)uqam(point)ca
// Syntaxe Processing version 3.5.4
// dimanche, 20 septembre 2020

import garciadelcastillo.dashedlines.*;

DashedLines dash;
PVector [] pts = new PVector[3];
int dist = 0;

void setup() {
  size(400, 400);
  noFill();
  stroke(255);
  strokeWeight(3);
  strokeCap(SQUARE);
  
  dash = new DashedLines(this);
  dash.pattern(20);
  
  float radius = 150;
  pts[0] = new PVector((cos(radians(270)) * radius), (sin(radians(270)) * radius));
  pts[1] = new PVector((cos(radians(30)) * radius), (sin(radians(30)) * radius));
  pts[2] = new PVector((cos(radians(150)) * radius), (sin(radians(150)) * radius));
}

void draw() {
  background(0);
  translate(width/2, height/2);
  
  dash.triangle(pts[0].x, pts[0].y, pts[1].x, pts[1].y, pts[2].x, pts[2].y);
  
  // Animate dashes with 'walking ants' effect 
  dash.offset(dist);
  dist += 1;
}