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	<title>Comments on: Example 5-10: Zoog and Conditionals</title>
	<atom:link href="http://www.learningprocessing.com/examples/chapter-5/example-5-10/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.learningprocessing.com</link>
	<description>A Beginner's Guide to Programming Images, Animation, and Interaction by Daniel Shiffman</description>
	<lastBuildDate>Thu, 09 Feb 2012 16:27:00 +0000</lastBuildDate>
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		<item>
		<title>By: Anonymous</title>
		<link>http://www.learningprocessing.com/examples/chapter-5/example-5-10/comment-page-1/#comment-20596</link>
		<dc:creator>Anonymous</dc:creator>
		<pubDate>Mon, 19 Sep 2011 01:36:00 +0000</pubDate>
		<guid isPermaLink="false">http://www.learningprocessing.com/wp/?page_id=358#comment-20596</guid>
		<description>you need to say:

x = constrain (x, 10, width-10);
y = constrain (y, 10, width-10);</description>
		<content:encoded><![CDATA[<p>you need to say:</p>
<p>x = constrain (x, 10, width-10);<br />
y = constrain (y, 10, width-10);</p>
]]></content:encoded>
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	<item>
		<title>By: Readydot WeAre</title>
		<link>http://www.learningprocessing.com/examples/chapter-5/example-5-10/comment-page-1/#comment-20593</link>
		<dc:creator>Readydot WeAre</dc:creator>
		<pubDate>Sat, 17 Sep 2011 08:48:00 +0000</pubDate>
		<guid isPermaLink="false">http://www.learningprocessing.com/wp/?page_id=358#comment-20593</guid>
		<description>I build this code but my Zoog keeps leaving the draw-area although I constrained him. What am I doing wrong?

// DEVY MASKOT v1.2 by READYdot

float colorR;
float colorG;
float colorB;
float x = 0;
float y = 0;
float gravity = 0.1;
float gravityVar = 1;
float xspeed = 10;
float yspeed = 8;

void setup() {
  size(400, 400);
  background(255);
  ellipseMode(CENTER);
  rectMode(CENTER);
  frameRate(30);
  smooth();
}

void draw() {
  colorR = random(255);
  colorG = random(255);
  colorB = random(255);
  //background(255);

  if (x = width &#124;&#124; y = height) {
    gravity += random(-gravityVar, gravityVar);
  } 
  x += (xspeed += gravity);
  y += (yspeed += gravity);

  if (x&gt;=width &#124;&#124; x =height &#124;&#124; y &lt;= 0) {
    yspeed *= -1;
  }
  constrain (x, 10, width-10);
  constrain (y, 10, width-10);

  // Ohren
  fill(255, 176, 3);
  ellipse(x-52, y, 40, 50);
  ellipse(x+48, y, 40, 50);
  // Kopf
  stroke(1);
  fill(colorR, colorG, colorB);
  ellipse(x, y, 120, 100);
  // Augen
  strokeWeight(3);
  noFill();
  bezier(x-30, y, x-30, y-20, x-10, y-20, x-10, y);
  bezier(x+20, y, x+20, y-20, x+40, y-20, x+40, y);
  // Mund
  // MundUnten
  strokeWeight(2);
  fill(255);
  bezier(x-30, y+20, x-20, y+40, x+30, y+40, x+40, y+20);
  // MundOben
  line(x-30, y+20, x+40, y+20);
  // Zahnlinien
  line(x+5, y+20, x+5, y+34);
  line(x-12, y+20, x-12, y+32);
  line(x+22, y+20, x+22, y+32);
  //Antennen
  noFill();
  bezier(x-20, y-48, x-20, y-48, x-20, y-70, x-20, y-70);
  bezier(x+20, y-48, x+20, y-48, x+20, y-70, x+20, y-70);
}</description>
		<content:encoded><![CDATA[<p>I build this code but my Zoog keeps leaving the draw-area although I constrained him. What am I doing wrong?</p>
<p>// DEVY MASKOT v1.2 by READYdot</p>
<p>float colorR;<br />
float colorG;<br />
float colorB;<br />
float x = 0;<br />
float y = 0;<br />
float gravity = 0.1;<br />
float gravityVar = 1;<br />
float xspeed = 10;<br />
float yspeed = 8;</p>
<p>void setup() {<br />
  size(400, 400);<br />
  background(255);<br />
  ellipseMode(CENTER);<br />
  rectMode(CENTER);<br />
  frameRate(30);<br />
  smooth();<br />
}</p>
<p>void draw() {<br />
  colorR = random(255);<br />
  colorG = random(255);<br />
  colorB = random(255);<br />
  //background(255);</p>
<p>  if (x = width || y = height) {<br />
    gravity += random(-gravityVar, gravityVar);<br />
  }<br />
  x += (xspeed += gravity);<br />
  y += (yspeed += gravity);</p>
<p>  if (x&gt;=width || x =height || y &lt;= 0) {<br />
    yspeed *= -1;<br />
  }<br />
  constrain (x, 10, width-10);<br />
  constrain (y, 10, width-10);</p>
<p>  // Ohren<br />
  fill(255, 176, 3);<br />
  ellipse(x-52, y, 40, 50);<br />
  ellipse(x+48, y, 40, 50);<br />
  // Kopf<br />
  stroke(1);<br />
  fill(colorR, colorG, colorB);<br />
  ellipse(x, y, 120, 100);<br />
  // Augen<br />
  strokeWeight(3);<br />
  noFill();<br />
  bezier(x-30, y, x-30, y-20, x-10, y-20, x-10, y);<br />
  bezier(x+20, y, x+20, y-20, x+40, y-20, x+40, y);<br />
  // Mund<br />
  // MundUnten<br />
  strokeWeight(2);<br />
  fill(255);<br />
  bezier(x-30, y+20, x-20, y+40, x+30, y+40, x+40, y+20);<br />
  // MundOben<br />
  line(x-30, y+20, x+40, y+20);<br />
  // Zahnlinien<br />
  line(x+5, y+20, x+5, y+34);<br />
  line(x-12, y+20, x-12, y+32);<br />
  line(x+22, y+20, x+22, y+32);<br />
  //Antennen<br />
  noFill();<br />
  bezier(x-20, y-48, x-20, y-48, x-20, y-70, x-20, y-70);<br />
  bezier(x+20, y-48, x+20, y-48, x+20, y-70, x+20, y-70);<br />
}</p>
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