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	<title>Comments on: From Pong to Platformers &#8211; An Introduction to Game Physics &#8211; Part 2</title>
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		<title>By: ravi teja</title>
		<link>http://www.toniwestbrook.com/archives/138#comment-89976</link>
		<dc:creator>ravi teja</dc:creator>
		<pubDate>Fri, 03 Dec 2010 09:41:39 +0000</pubDate>
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		<description>its nice, and clear. but if u give the code how to implement this its better to understand clearly.if i want the ball is moving some distance in some speed and some distance in some other speed then what to do. if ball touches the ground i want turn the ball into some direction with angle like in the cricket, when the ball reaches the ground it reflects. in these situations what to do, the ball positions are different from previous ball positions. the speed is based on the pixels how much we give am i right. then i increase the X then what about Y how to increase or decrease that.</description>
		<content:encoded><![CDATA[<p>its nice, and clear. but if u give the code how to implement this its better to understand clearly.if i want the ball is moving some distance in some speed and some distance in some other speed then what to do. if ball touches the ground i want turn the ball into some direction with angle like in the cricket, when the ball reaches the ground it reflects. in these situations what to do, the ball positions are different from previous ball positions. the speed is based on the pixels how much we give am i right. then i increase the X then what about Y how to increase or decrease that.</p>
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