From f594ff374666d7efbfe0e1f47aaa8536b545b5be Mon Sep 17 00:00:00 2001
From: Casey Reas <reas@reas.com>
Date: Tue, 20 Nov 2012 21:40:43 +0000
Subject: [PATCH] Reference edits for 2.0, text corrections

---
 core/src/processing/opengl/PShader.java     | 2 +-
 java/examples/Basics/Arrays/Array/Array.pde | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/core/src/processing/opengl/PShader.java b/core/src/processing/opengl/PShader.java
index 69929576f..15c263cfb 100644
--- a/core/src/processing/opengl/PShader.java
+++ b/core/src/processing/opengl/PShader.java
@@ -273,7 +273,7 @@ public class PShader {
   }
 
   /**
-   * @param vec modifies all the components of an array/vector uniform variable. PVector can be only be used if the type of the variable is vec3.
+   * @param vec modifies all the components of an array/vector uniform variable. PVector can only be used if the type of the variable is vec3.
    */
   public void set(String name, PVector vec) {
     setUniformImpl(name, UniformValue.FLOAT3,
diff --git a/java/examples/Basics/Arrays/Array/Array.pde b/java/examples/Basics/Arrays/Array/Array.pde
index 4bafa8033..c060b476c 100644
--- a/java/examples/Basics/Arrays/Array/Array.pde
+++ b/java/examples/Basics/Arrays/Array/Array.pde
@@ -20,6 +20,7 @@ void setup() {
     float amount = map(i, 0, width, 0, PI);
     coswave[i] = abs(cos(amount));
   }
+  background(255);
   noLoop();
 }
 
@@ -27,21 +28,21 @@ void draw() {
 
   int y1 = 0;
   int y2 = height/3;
-  for (int i = 0; i < width; i++) {
+  for (int i = 0; i < width; i+=2) {
     stroke(coswave[i]*255);
     line(i, y1, i, y2);
   }
 
   y1 = y2;
   y2 = y1 + y1;
-  for (int i = 0; i < width; i++) {
+  for (int i = 0; i < width; i+=2) {
     stroke(coswave[i]*255 / 4);
     line(i, y1, i, y2);
   }
   
   y1 = y2;
   y2 = height;
-  for (int i = 0; i < width; i++) {
+  for (int i = 0; i < width; i+=2) {
     stroke(255 - coswave[i]*255);
     line(i, y1, i, y2);
   }