From: Shaheen Gandhi <shaheen@fb.com>
Date: Mon, 19 Aug 2013 03:50:27 +0000 (-0700)
Subject: [Helix][perf] Reduce number of point calculations.
X-Git-Url: https://git.piment-noir.org/?p=SugarCubes.git;a=commitdiff_plain;h=b8f61125ba62e4d775afff07ce1cf6ca2b6dd394

[Helix][perf] Reduce number of point calculations.
---

diff --git a/ShaheenGandhi.pde b/ShaheenGandhi.pde
index dcdb908..d562e3b 100644
--- a/ShaheenGandhi.pde
+++ b/ShaheenGandhi.pde
@@ -117,11 +117,12 @@ class HelixPattern extends SCPattern {
     }
 
     color colorOfPoint(final PVector p) {
-      float t = axis.getTValue(p);
+      final float t = axis.getTValue(p);
+      final PVector axisPoint = axis.getPointAt(t);
 
       // For performance reasons, cut out points that are outside of
       // the tube where the toroidal coil lives.
-      if (abs(PVector.dist(p, axis.getPointAt(t)) - radius) > girth*.5f) {
+      if (abs(PVector.dist(p, axisPoint) - radius) > girth*.5f) {
         return color(0,0,0);
       }