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Author Topic: Pacman Nspire  (Read 33231 times)

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Offline Jim Bauwens

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Re: Pacman Lua
« Reply #15 on: July 09, 2011, 05:01:44 pm »
Yes, I follow you :)
My point is (in game applications, with many graphics), redrawing every time the screen when you change something, can be quit slow. That is why I only redraw a part and change only a couple of images. I'm absolutely sure this is faster, but I haven't done test to find the exact speed.
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Offline Adriweb

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Re: Pacman Lua
« Reply #16 on: July 09, 2011, 05:08:46 pm »
In Bobby Carrot, everything is redrawn I think, and it's not slow :P

Maybe it's because on a CX...
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TI-Nspire Lua programming : Tutorials  |  API Documentation

Offline Jim Bauwens

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Re: Pacman Lua
« Reply #17 on: July 09, 2011, 05:10:32 pm »
That partially because he moves in big chunks. In my game, the player moves very smooth, which makes that I need many redraws.
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Offline p2

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Re: Pacman Lua
« Reply #18 on: July 10, 2011, 03:45:00 pm »
With sounds?

with the pacman-melody?
or with the tetris-melody?

I think it would be better with the tetris-theme-melody.



Spoiler For Spoiler:

19 von 20 Stimmen in meinem Kopf sagen, ich bin verrückt.
die 20ste summt gerade die Tetris-melodie.

You can't understand this nice text  ;D
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Offline Jim Bauwens

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Re: Pacman Lua
« Reply #19 on: July 10, 2011, 03:49:45 pm »
Currently sound isn't the most easy thing to do. It is possible, but requires lots of programming work and possibly some hardware work (like adding a resistor after the output).
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Offline pianoman

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Re: Pacman Lua
« Reply #20 on: July 10, 2011, 05:00:53 pm »
Yeah, sorry, p2, but no sound :(
As for the platform.window:invalidate(), it is quite concievable that using parameters makes the game faster. More tests would be needed to figure that out, and if there was a plan to figure that out, I would be happy to help in any way I could.
However, I will need to be refreshing many things at once, so for this, it's sort of a moot point. Thanks anyways! :)
« Last Edit: July 10, 2011, 08:42:05 pm by pianoman »
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Offline Loulou 54

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Re: Pacman Lua
« Reply #21 on: July 22, 2011, 07:09:28 pm »
That's not really the topic, but we can play sounds with Lua ??  O.O
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Offline Jim Bauwens

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Re: Pacman Lua
« Reply #22 on: July 23, 2011, 02:54:54 am »
Loulou, nice to see you here on Omnimaga :D

I have playing around with the serial port on the nspire, and by sending large chunks of data to it (using print), you can make some sound. The problem is that you can't do anything while it is busy :/
Or ... you can hook up an arduino, and let that do the sound processing :)
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Offline Loulou 54

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Re: Pacman Lua
« Reply #23 on: July 23, 2011, 09:42:38 am »
Nice :) But how do you choose which characters to send with "print" to get the note you want ?

And do you know how are sent the data on the two ports ?
Thank you ! :)
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Offline Jim Bauwens

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Re: Pacman Lua
« Reply #24 on: July 23, 2011, 02:57:23 pm »
Well, you need to think how the character looks in binary, and try to make waveforms with it. Not so easy, but I'll try to make a simple library one of these days to make it simple :)

You can only send data with one port on the serial port, as the other one is input (you can't use it in Lua)
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Offline Munchor

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Re: Pacman Lua
« Reply #25 on: July 24, 2011, 09:22:44 am »
Quote from: jimbauwens on July 10, 2011, 03:49:45 pm
Currently sound isn't the most easy thing to do. It is possible, but requires lots of programming work and possibly some hardware work (like adding a resistor after the output).

Which is useless for the contest, because not all the judges can do it :)
« Last Edit: July 24, 2011, 09:22:56 am by ephan »
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Offline Loulou 54

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Re: Pacman Lua
« Reply #26 on: July 24, 2011, 09:44:44 am »
Thank you Jim. :) D'you know what's the speed of the transmission ?
Could you give me an example which plays a note ?  ;D
« Last Edit: July 24, 2011, 09:45:43 am by Loulou 54 »
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Offline Jim Bauwens

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Re: Pacman Lua
« Reply #27 on: July 24, 2011, 04:33:44 pm »
The speed is 115200 baud.
I'll try to make a little example soon :)
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Offline Munchor

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Re: Pacman Lua
« Reply #28 on: July 24, 2011, 04:51:31 pm »
Quote from: jimbauwens on July 24, 2011, 04:33:44 pm
The speed is 115200 baud.
I'll try to make a little example soon :)

Oh and if it requires a system (with hardware and stuff) please post the scheme :)
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Offline Jim Bauwens

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Re: Pacman Lua
« Reply #29 on: July 25, 2011, 09:10:50 am »
Here is the example I promised : http://ourl.ca/12233.new#new
« Last Edit: July 25, 2011, 09:11:09 am by jimbauwens »
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