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Omnimaga
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TI Calculators
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Axe
(Moderator:
Runer112
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Grayscale
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Topic: Grayscale (Read 2529 times)
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Axe Programmer
LV2
Member (Next: 40)
Posts: 32
Rating: +0/-0
Grayscale
«
on:
September 09, 2013, 10:53:15 am »
In my previous posts, i have mentioned that i am making a flipbook program. I have everything straight so far, except for one problem. After a person draws a frame of the animation on the screen in black pixels, and presses enter to move onto the next new frame, i want to display the previous frame that was in black pixels in grayscale in the background. How do i do that?
P.S. when the user presses enter, that frame is saved as a pic so it can be recalled later when playing the frames consecutivly in animation.
a detailed explanation would be helpful since i am sort of new... thanks
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Streetwalrus
LV12
Extreme Poster (Next: 5000)
Posts: 3821
Rating: +80/-8
Re: Grayscale
«
Reply #1 on:
September 09, 2013, 01:15:43 pm »
DispGraph(pointer to black image, pointer to gray image)^r
It's got to be in a loop in order for the gray to work.
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Matrefeytontias
Axe roxxor (kinda)
LV10
31337 u53r (Next: 2000)
Posts: 1982
Rating: +310/-12
Axe roxxor
Re: Grayscale
«
Reply #2 on:
September 10, 2013, 11:06:24 am »
Using what StreetWalker said, you just have to do that :
Return!If GetCalc("Pic0")->P
DispGraph(L
6
, P)
r
Logged
/\ >< [- |_| _\~ [- /?
All of the TI-z80 screenshots that I will post, unless I specifically mention that it's not the case, will run at 6 MHz.
Always
. If you find that unbelievable, you should check the last link of my sig
Nerdiness
Projects :
[Ndless3.1] nKaruga
,
[Axe] Worms (yes !)
,
[Ndless 3.1] F-Zero TrackSpire (dropped)
,
[Ndless 3.1] nSpeedX 3D (paused)
,
[Ndless 3.1] nRayC, an easy-to-use raycasting (3D) engine in C for your Nspire ! (paused)
Proud author of :
[TI-8x] Jetpack 8x+
,
[TI-8x+] Gravity Walls
,
[ASM for Axe] AxeDCS axiom for Axe programmers
,
[TI-8x+] WiredWorks : a SolidWorks on your Ti-83+/84+ !
,
[TI-8x+] Super Crate Box
,
[Axe] IkarugaX, an awesomely challenging danmaku/shoot-them-up for your TI-83+/84+ !
,
[ASM for Axe] AxeJh3D axiom, a very fast 3D ASM library for Axe coders !
If at a certain moment you think that I'm awesome, you can express it by
giving me one more Internet (>^_^)>
Axe Programmer
LV2
Member (Next: 40)
Posts: 32
Rating: +0/-0
Re: Grayscale
«
Reply #3 on:
September 10, 2013, 11:11:08 am »
thanks so much but i have one last question that does not have anything to do with grayscale. In my program i am storing several pictures that is drawn by the user. so could i make a subroutine that every time it is visited it will store a new pic into ram. it is hard to describe what i am saying but maybe a code will help:
(there are other things in this loop, but i just put the neccesary ones)
Reapeat getkey(15)
If getkey(9)
sub(A)
End
End
Lbl A
Now what codes would i put here so that when this loop is visited it will store the graphscreen into a pic which is saved in the ram? I want this subroutine to be visitd multiple times throughout the program and store the current graph screen into a new pic everytime.
if i am not able to do this, will i have to make several subroutines that can only store one individual pic?
Please ask if you dont understand what i am trying to say.. thanks
«
Last Edit: September 10, 2013, 11:23:57 am by Axe Programmer
»
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Matrefeytontias
Axe roxxor (kinda)
LV10
31337 u53r (Next: 2000)
Posts: 1982
Rating: +310/-12
Axe roxxor
Re: Grayscale
«
Reply #4 on:
September 10, 2013, 12:06:45 pm »
You can use hacked pics to do that. The theory is that when you do
GetCalc("Pic1")
, "Pic1" is converted by Axe to [AA0100] IIRC. So instead of "Pic1" you can write
GetCalc([AA0100])
. To use a different pic, just change the 2nd byte (01) into something else.
Using this theory, you can for example put [AA0000] in a GDB, so each time you call your subroutine, GetCalc this GDB, store your pic to it and increment the 2nd byte starting at this GDB (thus, GDB+1).
«
Last Edit: September 10, 2013, 12:07:45 pm by Matrefeytontias
»
Logged
/\ >< [- |_| _\~ [- /?
All of the TI-z80 screenshots that I will post, unless I specifically mention that it's not the case, will run at 6 MHz.
Always
. If you find that unbelievable, you should check the last link of my sig
Nerdiness
Projects :
[Ndless3.1] nKaruga
,
[Axe] Worms (yes !)
,
[Ndless 3.1] F-Zero TrackSpire (dropped)
,
[Ndless 3.1] nSpeedX 3D (paused)
,
[Ndless 3.1] nRayC, an easy-to-use raycasting (3D) engine in C for your Nspire ! (paused)
Proud author of :
[TI-8x] Jetpack 8x+
,
[TI-8x+] Gravity Walls
,
[ASM for Axe] AxeDCS axiom for Axe programmers
,
[TI-8x+] WiredWorks : a SolidWorks on your Ti-83+/84+ !
,
[TI-8x+] Super Crate Box
,
[Axe] IkarugaX, an awesomely challenging danmaku/shoot-them-up for your TI-83+/84+ !
,
[ASM for Axe] AxeJh3D axiom, a very fast 3D ASM library for Axe coders !
If at a certain moment you think that I'm awesome, you can express it by
giving me one more Internet (>^_^)>
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Grayscale