From b214f38d2c24a890ce36512a0c8bab965e27a508 Mon Sep 17 00:00:00 2001
From: JinweiClarkChao <clarkzjw@gmail.com>
Date: Tue, 23 Sep 2014 22:34:14 +0800
Subject: README

---
 Code/ZJW/javascripts/viz.pde | 81 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 Code/ZJW/javascripts/viz.pde

(limited to 'Code/ZJW/javascripts/viz.pde')

diff --git a/Code/ZJW/javascripts/viz.pde b/Code/ZJW/javascripts/viz.pde
new file mode 100644
index 0000000..4084708
--- /dev/null
+++ b/Code/ZJW/javascripts/viz.pde
@@ -0,0 +1,81 @@
+ArrayList particles;
+int maxParticles = 255;
+
+void setup() {
+  size(window.innerWidth, window.innerHeight);
+  particles = new ArrayList();
+  rectMode(CENTER);
+}
+
+void draw() {
+  background(21, 32, 46);
+
+  if(particles.size() < maxParticles) {
+    x = random(0, width);
+    y = random(0, height);
+    PVector l = new PVector(x, y);
+    Particle particle = new Particle(l);
+    particles.add(particle);
+  }
+
+
+  for(int i=0; i<particles.size(); i++) {
+    Particle p = (Particle) particles.get(i);
+    Particle next;
+
+    if(i>1) {
+      next = (Particle) particles.get(i-1);
+      stroke(57,219,255,10);
+      line(next.location.x, next.location.x, p.location.x, p.location.y)
+    }
+
+
+    // Run the particle
+    p.run();
+
+    if(p.isDead()) {
+      particles.remove(i);
+    }
+  }
+}
+
+class Particle {
+  PVector location;
+  PVector velocity;
+  PVector acceleration;
+  float   lifespan;
+  float   rectSize;
+
+  Particle(PVector l) {
+    location = l.get();
+    velocity = new PVector(random(0,0.05),random(0.02, 0.8));
+    acceleration = new PVector(random(0, 0.01),random(0,0.01));
+    lifespan = 255.0;
+    rectSize = 5;
+  }
+
+  void run() {
+    display();
+    update();
+  }
+
+  void display() {
+    noStroke();
+    fill(73, 219, 255, lifespan/5);
+    rect(location.x, location.y, rectSize, rectSize);
+  }
+
+  void update() {
+    lifespan -= 2;
+    velocity.add(acceleration);
+    location.add(velocity);
+  }
+
+  boolean isDead() {
+    if (lifespan < 0) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+}
-- 
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