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dxfan101010
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Joined: 31 Mar 2008
Posts: 194
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 Posted: 20 May 2009 08:48:24 pm Post subject: |
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| I want to get lunar lander on my calc does any1 have a Basic version that is not very big |
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cjgone
Aw3s0m3
Active Member
Joined: 24 May 2006
Posts: 693
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| Posted: 20 May 2009 09:57:07 pm Post subject: |
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| I can't see a basic version being fast enough. |
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Weregoose
Authentic INTJ
Super Elite (Last Title)
Joined: 25 Nov 2004
Posts: 3976
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| Posted: 20 May 2009 10:19:22 pm Post subject: |
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cjgone wrote: I can't see a basic version being fast enough. I beg to differ. Once the level—easily drawn—does get drawn, it's only a matter of adjusting fuel and velocity, testing a pixel, and then updating a sprite. Add to that the fact that lunar lander is usually a slow game, and you've got a fun little TI-Basic project to work on.
Last edited by Guest on 20 May 2009 10:19:34 pm; edited 1 time in total |
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dxfan101010
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Joined: 31 Mar 2008
Posts: 194
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| Posted: 20 May 2009 10:42:44 pm Post subject: |
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I am not all that great a programmer(and i absoulty suck at art!) so where should i start with this game
Last edited by Guest on 20 May 2009 10:52:26 pm; edited 1 time in total |
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Galandros
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Joined: 29 Aug 2008
Posts: 565
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| Posted: 21 May 2009 03:11:24 am Post subject: |
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Interesting... It is a very fun and easy to add to TI-BASIC.
I will come with something. 
EDIT: I returned from training and made the game. It still needs a lot of adds and is running smooth without some optimizations I know are possible (<-- lazzy) and much left to add. ^^
The ship suffers constantly acceleration of gravity. I used some physics... (x=x+v+1/2a^2) Gives the effect you already know in other games...
It has a bar for the fuel left. I think is better on the top? I can put on the side you prefer.
I am thinking in making cool levels with ships with different weights, sizes, different acceleration, ship consume, etc..
Levels will be stored in lists and every element will correspond to 2 or 4 pixels? Hit detection will be pxl test of course.
Finnaly I got a cool game to make. Thanks dxfan101010 
Last edited by Guest on 21 May 2009 07:34:14 am; edited 1 time in total |
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dxfan101010
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Joined: 31 Mar 2008
Posts: 194
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| Posted: 21 May 2009 08:22:52 am Post subject: |
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| yup> just post it here when you are done |
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Galandros
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Joined: 29 Aug 2008
Posts: 565
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| Posted: 21 May 2009 09:37:28 am Post subject: |
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For optimization and gameplay reasons, physics are a little dumb...
Now I am stuck in the level because I need to find a picture editor. Lists are too huge...
Still need a larger and nice ship.
Some more testing and a demo.
Then add support for multiple maps together.
Items to collect, I can see if they stick well into the game.
This is going to be stand alone BASIC, no libs... :] |
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Eeems
Advanced Member
Joined: 25 Jan 2009
Posts: 277
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| Posted: 21 May 2009 02:37:57 pm Post subject: |
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| hasn't somebody already made lunar lander? |
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dxfan101010
Member
Joined: 31 Mar 2008
Posts: 194
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| Posted: 21 May 2009 05:24:37 pm Post subject: |
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| On ticalc.org theres 1 in asm but my calcs link port is broken. and all of the basic ones arnt very good |
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Eeems
Advanced Member
Joined: 25 Jan 2009
Posts: 277
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| Posted: 21 May 2009 05:33:41 pm Post subject: |
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| ah ok |
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dxfan101010
Member
Joined: 31 Mar 2008
Posts: 194
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| Posted: 21 May 2009 08:12:12 pm Post subject: |
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| YUP. but Galandros' sounds like it will be pretty cool |
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dxfan101010
Member
Joined: 31 Mar 2008
Posts: 194
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| Posted: 21 May 2009 11:11:34 pm Post subject: |
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wenzi110 wrote: <snip>
Ummmm????????????????????????? wth.
Last edited by Guest on 22 May 2009 12:19:28 am; edited 1 time in total |
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Weregoose
Authentic INTJ
Super Elite (Last Title)
Joined: 25 Nov 2004
Posts: 3976
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| Posted: 22 May 2009 12:24:03 am Post subject: |
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I deleted the spambot's post and revoked his posting privileges. Please use the  button at the left next time to leave as little an aftermath as possible.
Last edited by Guest on 22 May 2009 12:27:30 am; edited 1 time in total |
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Galandros
Active Member
Joined: 29 Aug 2008
Posts: 565
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| Posted: 22 May 2009 03:01:14 am Post subject: |
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Sweet Demo!
For now you can't touch the borders of the screen. The landing pad is obvious... (the small hill)
You have to land slowly. Or crash! The fuel indicator is the line on the bottom. Don't worry too much because you have plenty for this mission.
The ship is not changed. It will be bigger... (somewhat, depends on speed of plot)
Just download the files. Send to calc and run LUNLAND.
EDIT: it preserves window settings. It is a good habbit.
I used Tilp (it is crashing more than usual...) if you have any problems I can use TI-Connect from other computer.
If someone likes to make maps, tell me. :biggrin:
You can try to edit LLLVL0. It contains level variables.
I will document here:
M=mass
W=game use (based on mass and is the difficulty to move the ship) (formula needs revision)
C= fuel
F= game use (copy of fuel used for the fuel bar)
G=gravity (it is small because the calculator screen has few resolution)
A=acceleration caused by gravity
U and V are Vx and Vy in the beginning (velocity)
(X,Y) are starting position
(H,L) to (D,E) are landing coordinates
Note: bottow left of the screen is (0,0). Also note because is BASIC some pixels are not used :(
EDIT: ups dxfan101010 you don't have link...
Here it goes:
Code:
:StoreGDB 0
:AxesOff
:ZStandard
:84→Xmin
:52→Ymin
:ZInteger
:prgmLLLVL0
:
:Line(0,0,94,0
:Repeat Ans
:Line(94C/F,0,94,0,0
:Line(X-2,Y,X+2,Y
:Line(X-2,Y-1,X+2,Y-1
:getKey→K
:If K=34 or 1≥abs(K-25
:Then
:C-10→C
:K-K(C<1→K
:End
:V-A+Wsum(DeltaListK={34,25→V
:U+.5Wsum(DeltaListK={24,26→U
:Line(X-2,Y,X+2,Y,0
:Line(X-2,Y-1,X+2,Y-1,0
:X+U→X
:Y+V→Y
:If X+2>94 or X-2<0 or Y-2<0 or Y>62
:Then
:1
:Else
:int(X→Z
:int(Y→θ
:pxl-Test(64-θ,Z) or pxl-Test(64-θ,Z) or pxl-Test(64-θ,Z) or pxl-Test(64-θ,Z
:If H<X and L>Y and D>X and E<Y and Ans and 2>abs(V
:Then
:2
:End
:End
:End
:If Ans=1
:Then
:Text(‾1,1,1,"CRASH
:Else
:Text(‾1,1,1,"SUCCESS
:End
:rand(20
:RecallGDB 0
:DelVar GDB0
:Output(1,1,"
Code:
:ClrDraw
:RecallPic 0
:100→M
:M/100→W
:1000→C
:Ans→F
:.5→G
:.5G²→A
:0→U:0→V
:10→X
:62→Y
:63→H
:22→L
:81→D
:14→E
And possibly it has optimizations to do.
About the picture put this instead of :RecallPic 0:
For(X,0,10
Horizontal X
End
Line(56,11,91,11
Line(58,12,90,12
Line(60,13,84,13
Line(61,14,83,14
Line(62,15,82,15
Last edited by Guest on 22 May 2009 11:36:12 am; edited 1 time in total |
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dxfan101010
Member
Joined: 31 Mar 2008
Posts: 194
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| Posted: 22 May 2009 08:20:08 am Post subject: |
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Sorry about the spambot i use the report next time!!
i am putting it in to my calc right now: looks awsome plays pretty well but i agree the ship needs work and maby a little more gravity
Last edited by Guest on 22 May 2009 09:05:27 am; edited 1 time in total |
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Galandros
Active Member
Joined: 29 Aug 2008
Posts: 565
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| Posted: 22 May 2009 11:29:45 am Post subject: |
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dxfan101010 wrote: Sorry about the spambot i use the report next time!!
i am putting it in to my calc right now: looks awsome plays pretty well but i agree the ship needs work and maby a little more gravity
Or a little more mass to be harder to move... It is question of playing a bit with variables. But because I don't do a difficult map and changed the ship, testing that is not worth...
It will be easy to add the other features. It is just a question of using my time on it.
dxfan it will be hard to send all the levels without linking... Even if I get a smart program to transform pictures into list with data of lines (vertical or horizontal) but the list will be somewhat large.
Last edited by Guest on 22 May 2009 11:30:24 am; edited 1 time in total |
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dxfan101010
Member
Joined: 31 Mar 2008
Posts: 194
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| Posted: 22 May 2009 01:09:29 pm Post subject: |
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| Thats ok i dont need a lot of levels just a few is all the game relly needs |
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Galandros
Active Member
Joined: 29 Aug 2008
Posts: 565
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| Posted: 23 May 2009 03:40:28 am Post subject: |
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I changed the ship... It looks good now. After I show the ship if someone gets a better sprite would be good.
Optimized some things and added correct pixel test around the ship. I reduced flicker as much as possible (right before and after updating coordinates, the ship is erased and draw, respectively)
a pixelTest that throws domain error (and doesn't like fractions)  I fixed but doesn't let me do the program flow as I wanted. I will just have to repeat some code or look better to what I can do (doubt about this)... And sometimes ship crashes at 1 pixel of borders or walls (actually 0,5 pixels but because it is rounded, maybe subtract 0,1 could solve...)
The next step is maps changing. I got it thought.
I will put a score system based on fuel and tries left.
What you think about tries? The classic 3 is enough... I will add a hard mode with only the actual ship.
Possible items if it goes good are: fuel, 1 more try, points and a random nasty item (exchange keys, change gravity or mass temporarily) Maybe this items are pushing too much the speed...
Anyone has some wishes to add? |
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ztrumpet
Active Member
Joined: 06 May 2009
Posts: 555
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| Posted: 23 May 2009 09:54:09 pm Post subject: |
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| On the pxltests you could use int( instead of round(. |
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dxfan101010
Member
Joined: 31 Mar 2008
Posts: 194
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| Posted: 23 May 2009 10:03:40 pm Post subject: |
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You could make The ship turn invisible? how are you going to pick up items? Will it be an extra key or just running over it. When do you plan on showing the ship?
Last edited by Guest on 23 May 2009 10:09:23 pm; edited 1 time in total |
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TI-Basic => TI-BASIC
