From 918da6fe989762f127263703a2be433bcd317777 Mon Sep 17 00:00:00 2001
From: Micah Elizabeth Scott <micah@scanlime.org>
Date: Sat, 22 Feb 2014 15:39:38 -0800
Subject: [PATCH] Work-in-progress "Rings" effect, ported from Fadecandy

---
 MicahScott.pde | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++
 SugarCubes.pde |  3 +++
 2 files changed, 69 insertions(+)
 create mode 100644 MicahScott.pde

diff --git a/MicahScott.pde b/MicahScott.pde
new file mode 100644
index 0000000..916bf68
--- /dev/null
+++ b/MicahScott.pde
@@ -0,0 +1,66 @@
+// Port of a pattern from Fadecandy. Micah Elizabeth Scott, November 2013.
+class Rings extends SCPattern {
+
+    float dx, dy, dz;
+    float angleParam, z, hue, satParam, spacingParam;
+    float dzParam, centerParam;
+
+    public Rings(GLucose glucose) {
+        super(glucose);
+    }
+
+    public void run(double deltaMs) {
+
+        float noiseScale = 0.02;
+        float speed = 0.002;
+        float zspeed = 0.04;
+        float scale = 1.0;
+
+        angleParam += (deltaMs * 0.001) % (2*PI);
+        float angle = sin(angleParam);
+
+        z += deltaMs * 0.0008;
+        hue += (deltaMs * 0.036) % 360;
+
+        satParam += deltaMs * 0.000122;
+        spacingParam += deltaMs * 0.000124;
+        dzParam += deltaMs * 0.000014;
+        centerParam += deltaMs * 0.000125;
+
+        float saturation = 100 * constrain(pow(1.9 * noise(satParam), 2.5), 0, 1);
+        float spacing = noise(spacingParam) * 50;
+
+        dx += cos(angle) * speed;
+        dy += sin(angle) * speed;
+        dz += (pow(noise(dzParam), 1.8) - 0.5) * zspeed;
+
+        float centerx = map(noise(centerParam, 100), 0, 1, -0.1, 1.1);
+        float centery = map(noise(centerParam, 200), 0, 1, -0.1, 1.1);
+        float centerz = map(noise(centerParam, 300), 0, 1, -0.1, 1.1);
+
+        float coordMin = min(model.xMin, min(model.yMin, model.zMin));
+        float coordMax = max(model.xMax, max(model.yMax, model.zMax));
+
+        for (LXPoint p : model.points) {
+
+            // Scale while preserving aspect ratio
+            float x = map(p.x, coordMin, coordMax, 0, 1);
+            float y = map(p.y, coordMin, coordMax, 0, 1);
+            float z = map(p.z, coordMin, coordMax, 0, 1);
+
+            float dist = sqrt(sq(x - centerx) + sq(y - centery) + sq(z - centerz));
+            float pulse = (sin(dz + dist * spacing) - 0.3) * 0.6;
+
+            noiseDetail(4);
+            float n = map(noise(dx + x*scale + pulse, dy + y*scale, dz + z*scale), 0, 1, -0.65, 1);
+            float m = map(noise(dx + x*scale, dy + y*scale, dz + z*scale), 0, 1, 0, 300);
+            noiseDetail(1);
+
+            colors[p.index] = lx.hsb(
+                (hue + m) % 360.0,
+                saturation,
+                100 * constrain(pow(3.0 * n, 3.5), 0, 1.0)
+                );
+        }
+    }
+};
diff --git a/SugarCubes.pde b/SugarCubes.pde
index ff85065..fb24acb 100644
--- a/SugarCubes.pde
+++ b/SugarCubes.pde
@@ -118,6 +118,9 @@ LXPattern[] patterns(GLucose glucose) {
     new AbstractPainting(glucose),
     new Spirality(glucose),
 
+    // Micah
+    new Rings(glucose),
+
     // Basic test patterns for reference, not art    
     new TestCubePattern(glucose),
     new TestTowerPattern(glucose),
-- 
2.34.1