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Post by TrekMD on Sept 23, 2023 10:38:48 GMT -5
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Post by minsoft on Sept 28, 2023 5:32:48 GMT -5
Love the scanner display - I wonder how the curved lines were done?
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Post by Peer on Sept 28, 2023 7:28:37 GMT -5
Love the scanner display - I wonder how the curved lines were done? See here and have a look at sections "mux enable" and "mux select": "the output of the DAC goes directly to the X-Integrator input". So, if you appropiately modify the DAC value while the beam is moving (with a fixed Y-delta set), you thereby effectly modify the X-delta on-the-fly. A lot of nice effects can thus be achieved. Check out, for example, the flame of the candle on the death-screen of VectorBlade. Also, I am pretty sure that Malban has written about curved lines somewhere in his blog.
Cheers, Peer
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Post by Peer on Sept 28, 2023 13:23:41 GMT -5
Addendum: I have not checked the code, but I am pretty sure that the curved sidelines of the race track in "Pole Position" are drawn in the same way.
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Post by hcmffm on Sept 28, 2023 14:56:56 GMT -5
Thank you for posting about Cylon Attack, TrekMD. I had a look at it and played it for a short while. If it was a beta version of Vectrex Academy, I would write up a post with lots of suggestions and ideas. E.g. use of various intensity for radar and space ship, incoming enemies, various enemies with various attack behaviour, and so on. But this is a final version, already, so just a short review: First off, it's great that binary of Cylon Attack is freely available - this is always a big plus and much appreciated. Cylon Attack is very promising and great looking game; radar and spaceship look excellent. But: Game play is very simple with no variation - not really a game I'd like to play for a longer while. |
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Post by TrekMD on Sept 28, 2023 21:35:43 GMT -5
I agree with you regarding gameplay. It could use variety but I think the idea was to go for the cool factor as it emulates the original show's target scanner quite well.
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Post by Peer on Sept 29, 2023 2:03:11 GMT -5
... but I think the idea was to go for the cool factor as it emulates the original show's target scanner quite well. Brings back childhood memories. Loved to watch those movies when I was young. |
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Post by minsoft on Sept 29, 2023 6:20:28 GMT -5
Love the scanner display - I wonder how the curved lines were done? See here and have a look at sections "mux enable" and "mux select": "the output of the DAC goes directly to the X-Integrator input". So, if you appropiately modify the DAC value while the beam is moving (with a fixed Y-delta set), you thereby effectly modify the X-delta on-the-fly. A lot of nice effects can thus be achieved. Check out, for example, the flame of the candle on the death-screen of VectorBlade. Also, I am pretty sure that Malban has written about curved lines somewhere in his blog.
Cheers, Peer
Thanks Peer, I will have to try that out some day... |
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