1 files changed, 96 insertions, 0 deletions
diff --git a/org.eclipse.tips.examples/matrixrain/matrixrain.js b/org.eclipse.tips.examples/matrixrain/matrixrain.js
new file mode 100644
index 000000000..a03ca729c
--- /dev/null
+++ b/org.eclipse.tips.examples/matrixrain/matrixrain.js
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * Copyright (c) 2018 Remain Software
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     wim.jongman@remainsoftware.com - initial API and implementation
+ *******************************************************************************/
+// Copyright 2017 Wim Jongman
+// var nice = [200, 200, 0.02, 0.002, 10, 2000, 4];
+// var nice = [7280, 4320 , 0.02, 0.002, 10, 2000, 4];
+var nice = [ 1440, 900, 0.02, 0.002, 20, 50, 4 ];
+// var nice = [600, 600, 0.02, 0.002, 50, 1000, 3];
+var myX;
+var myY;
+var inc;
+var incTime;
+var scl;
+var parts;
+var magnitude;
+
+var fr;
+var time = 0;
+var iteration = 0;
+var counter = 0;
+
+var particles = [];
+
+var flowField;
+
+var lanes = new Array();
+
+var pg;
+
+function setup() {
+
+	myX = nice[0];
+	myY = nice[1];
+	inc = nice[2];
+	incTime = nice[3];
+	scl = nice[4];
+	parts = nice[5];
+	magnitude = nice[6];
+
+	createCanvas(window.innerWidth, window.innerHeight);
+	document.body.scrollTop = 0; // <-- pull the page back up to the top
+	document.body.style.overflow = 'hidden'; // <-- relevant addition
+
+	pixelDensity(1);
+	generateParticles();
+}
+
+function draw() {
+	background(0, 120);
+	updateParticles();
+}
+
+function generateParticles() {
+	for (var i = 0; i < parts; i++) {
+		particles[i] = new Particle();
+	}
+}
+
+function updateParticles() {
+	textSize(12);
+	textStyle(BOLD);
+	for (var i = 0; i < parts; i++) {
+		p = particles[i];
+		if (p.isActive()) {
+			p.applyForce();
+			p.update();
+			show(p);
+		}
+	}
+}
+
+function show(particle) {
+	doShow(particle, 0);
+	for (var i = 1; i < particle.fTrail.length; i++) {
+		doShow(particle, i, particle.fTrail.length);
+	}
+}
+
+function doShow(particle, pos, len) {
+	if (pos == 0) {
+		fill(200, 255, 200, 255);
+	} else if ((len - pos) < 4) {
+		fill(255 - (len - pos) * 50, 255, 255 - (len - pos) * 50,
+				200 - (len - pos) * 20);
+	} else {
+		fill(0, 255, 0, particle.getOpacity(pos));
+	}
+	text(particle.getChar(pos), particle.getX(pos), particle.getY(pos));
+}
+\ No newline at end of file