@@ -273,7 +273,7 @@ public void set(String name, float x, float y, float z, float w) {
   }
 
   /**
-   * @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,
 
@@ -20,28 +20,29 @@ void setup() {
     float amount = map(i, 0, width, 0, PI);
     coswave[i] = abs(cos(amount));
   }
+  background(255);
   noLoop();
 }
 
 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);
   }
Original file line number	Diff line number	Diff line change
@@ -273,7 +273,7 @@ public void set(String name, float x, float y, float z, float w) {
273	273	}
274	274
275	275	/**
276		- * @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.
	276	+ * @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.
277	277	*/
278	278	public void set(String name, PVector vec) {
279	279	setUniformImpl(name, UniformValue.FLOAT3,
Original file line number	Diff line number	Diff line change
@@ -20,28 +20,29 @@ void setup() {
20	20	float amount = map(i, 0, width, 0, PI);
21	21	coswave[i] = abs(cos(amount));
22	22	}
	23	+ background(255);
23	24	noLoop();
24	25	}
25	26
26	27	void draw() {
27	28
28	29	int y1 = 0;
29	30	int y2 = height/3;
30		- for (int i = 0; i < width; i++) {
	31	+ for (int i = 0; i < width; i+=2) {
31	32	stroke(coswave[i]*255);
32	33	line(i, y1, i, y2);
33	34	}
34	35
35	36	y1 = y2;
36	37	y2 = y1 + y1;
37		- for (int i = 0; i < width; i++) {
	38	+ for (int i = 0; i < width; i+=2) {
38	39	stroke(coswave[i]*255 / 4);
39	40	line(i, y1, i, y2);
40	41	}
41	42
42	43	y1 = y2;
43	44	y2 = height;
44		- for (int i = 0; i < width; i++) {
	45	+ for (int i = 0; i < width; i+=2) {
45	46	stroke(255 - coswave[i]*255);
46	47	line(i, y1, i, y2);
47	48	}