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	<title>Comments on: Example 15-9: Adjusting Image Brightness Based on Pixel Location (Flashlight Effect)</title>
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	<link>http://www.learningprocessing.com</link>
	<description>A Beginner's Guide to Programming Images, Animation, and Interaction by Daniel Shiffman</description>
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		<title>By: Angelsfan1</title>
		<link>http://www.learningprocessing.com/examples/chapter-15/example-15-9/comment-page-1/#comment-20669</link>
		<dc:creator>Angelsfan1</dc:creator>
		<pubDate>Tue, 29 Nov 2011 03:27:00 +0000</pubDate>
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		<description>I decided to use a mask and that seems like the way to go. Someone else explained a mask in a different way so I was a bit confused but it seems easier the way you described. Thanks for your help! :D</description>
		<content:encoded><![CDATA[<p>I decided to use a mask and that seems like the way to go. Someone else explained a mask in a different way so I was a bit confused but it seems easier the way you described. Thanks for your help! <img src='http://www.learningprocessing.com/wp/wp-includes/images/smilies/icon_biggrin.gif' alt=':D' class='wp-smiley' /> </p>
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		<title>By: Angelsfan1</title>
		<link>http://www.learningprocessing.com/examples/chapter-15/example-15-9/comment-page-1/#comment-20668</link>
		<dc:creator>Angelsfan1</dc:creator>
		<pubDate>Tue, 29 Nov 2011 03:05:00 +0000</pubDate>
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		<description>Awesome, thanks! Now I want to have moving objects behind the &quot;flashlight&quot; and I am completely stumped. Is there a way to animate the PGraphics, or would it be best to use the mask with moving objects? I tried the mask and didn&#039;t have much luck but I was able to get the PGraphics to work.</description>
		<content:encoded><![CDATA[<p>Awesome, thanks! Now I want to have moving objects behind the &#8220;flashlight&#8221; and I am completely stumped. Is there a way to animate the PGraphics, or would it be best to use the mask with moving objects? I tried the mask and didn&#8217;t have much luck but I was able to get the PGraphics to work.</p>
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		<title>By: Anonymous</title>
		<link>http://www.learningprocessing.com/examples/chapter-15/example-15-9/comment-page-1/#comment-20667</link>
		<dc:creator>Anonymous</dc:creator>
		<pubDate>Sun, 27 Nov 2011 02:45:00 +0000</pubDate>
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		<description>You could create the same effect by drawing to an offscreen PGraphics buffer and then manipulating the pixels.  Or possibly using a mask to cover the drawn Processing shapes (setting transparency according to distance from mouse)</description>
		<content:encoded><![CDATA[<p>You could create the same effect by drawing to an offscreen PGraphics buffer and then manipulating the pixels.  Or possibly using a mask to cover the drawn Processing shapes (setting transparency according to distance from mouse)</p>
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		<title>By: Angelsfan1</title>
		<link>http://www.learningprocessing.com/examples/chapter-15/example-15-9/comment-page-1/#comment-20666</link>
		<dc:creator>Angelsfan1</dc:creator>
		<pubDate>Thu, 24 Nov 2011 20:51:00 +0000</pubDate>
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		<description>How would I make this work using an image with processing shapes/designs on top of the image?</description>
		<content:encoded><![CDATA[<p>How would I make this work using an image with processing shapes/designs on top of the image?</p>
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