Subject: RE: [stella] Fastest missile/ball draw From: "Bob Montgomery" <BobM@xxxxxxxxxxx> Date: Fri, 25 Feb 2005 15:26:02 -0500 |
Dennis, but doesn't that mean that your vertical positioning of the ball/missile is limited to 4-line increments also? -bob -----Original Message----- From: Dennis Debro [mailto:dennis@xxxxxxxxxxxxxxx] Sent: Friday, February 25, 2005 12:23 PM To: stella@xxxxxxxxxxxxxxxxxx Subject: RE: [stella] Fastest missile/ball draw Hi Bob, > That only works for missiles/ball with a height of 1 scanline > though...right? Not really but as you pointed out on AA I don't think this will work for you. The ball/missile can be any height and use the stack method. You would just make sure you only updated the sprite for a certain number of scan lines (i.e. 4 height would only do the compare every 4th line). IIRC your situation is different as the height of the missile/ball is truely variable. Where as a game like Pong, Breakout, or Combat the height of the missile/ball is static. Take care, Dennis Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://stella.biglist.com
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