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  • New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…

    ... up but the main player sprite would draw each alternate pixel - altering ... the sprite mask did nothing.

    MatGubbins MatGubbins June 2004 Emulators
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    ... collision detection is to first draw everything that is deadly on ... sprite pixels with the background as you draw it, and then finally draw ...
    Woody Woody July 2004 Development
  • TommyGun - Utility ... what's going on...For those interested, Tony has been busy lately and unable to put as much time into TG as he'd like. He also has a child on the way soon. He told me…

    ... implements the games design - includes sprite engines and any other 'engine ... image as perfectly as you draw it, especially our favorite ... implement the tools required to draw an image and most ... a palette object to actually draw the image, because although ...
    Kiwi Kiwi August 2004 Development
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... table, and simply store each sprite preshifted in its eight positions ... the data for that particular sprite. You could use a ... the sprites. Then call your sprite drawing routine.

    ... /> Finally store the sprite data so you can draw it from left ...
    dmsmith dmsmith August 2004 Development
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... I'm writing into the draw routine itself, what part of ... width and height for each sprite, and there are many different ...
    moroz1999 moroz1999 August 2004 Development
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... for drawing mid part of sprite could be unrolled:[code]

    l1: draw one byte
    l2: draw one byte
    l3: draw one byte
    sprite... as you need two JP ...
    Fikee Fikee August 2004 Development
  • Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …

    How many Ts do you have to use before a interrupts occurs again ?

    ~70000T ?

    Someone presented a alg. for drawing a sprite in ~16000T, this means no more than 4 sprites you can draw at a time.
    cispasoiu cispasoiu August 2004 Development
  • Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …

    ... programmers don't use generic sprite routines! :)
    [/quote]

    yeah, sure, shifted sprite routines are faster, but i ... 5-8 basic enemies you draw them by fast routines and ...
    Fikee Fikee August 2004 Development
  • Can Anyone explain sprites in Jet Pac/Atic Atac etcJet Pac was 16k, and yet the sprites were impressively fast. I notice they had a slight flicker at times, but were notmally pretty flicker free. W…

    Hi,

    Thanks for that. I think it is the theory (Or Practice) of how to do draw one line, erase one line at the same time to avoid flicker I am confused about
    robpearmain robpearmain October 2004 Development
  • Sprite Graphics TutorialHi everyone, Would like some feedback on the following: I am thinking of writing a Sprite Graphics Tutorial, ie. how to best program and implement …

    ... see, there are 3 different sprite types:

    1. XOR ...
    2. XOR Remove and Draw same line (Nick Fleming example ...
    3a. As 3, but draw to backbuffer and flip
    robpearmain robpearmain October 2004 Development
  • Sprite Graphics TutorialHi everyone, Would like some feedback on the following: I am thinking of writing a Sprite Graphics Tutorial, ie. how to best program and implement …

    ... see, there are 3 different sprite types:

    1. XOR ...
    2. XOR Remove and Draw same line (Nick Fleming example ...
    3a. As 3, but draw to backbuffer and flip
    Alcoholics Anonymous Alcoholics Anonymous October 2004 Development
  • Most popular new features? I know some people like a spectrum to be emulated as authentically as possible, while others like myself like features which improve the gfx, sound,…

    ... use solution, than the current sprite like editor, but perhaps not ... you would still have to draw the colours in...

    smogit smogit October 2004 Emulators
  • Most popular new features? I know some people like a spectrum to be emulated as authentically as possible, while others like myself like features which improve the gfx, sound,…

    ... use solution, than the current sprite like editor, but perhaps not ... you would still have to draw the colours in...
    [/quote ...
    cyborg cyborg October 2004 Emulators
  • Sprites flickeringI am trying to write a Spectrum game in machine code. I am still a beginner in programming, however I did much progress recently, i believe. Now I am…

    ... avoided by either drawing your sprite to the screen before the ... to then make sure your sprite routine has finished drawing the ... = 40992 tstates in which to draw your sprites. Timing's vary ...
    dmsmith dmsmith October 2004 Development
  • Sprites flickeringI am trying to write a Spectrum game in machine code. I am still a beginner in programming, however I did much progress recently, i believe. Now I am…

    ... over I may start drawing sprite
    Is it okay?
    draw my sprites. Is it much ... will I be able to draw in this time?
    Ralf Ralf October 2004 Development
  • Is there any Bi-Plane games on Speccy... (Solved..Dogfight :) )I`ve been playing a Flash game called Top Dog thats a lot like an old Amiga game called Biplanes I think, also, Im sure there was an original arcade …

    ... etc to draw the graphics too, rather than it being sprite based ...
    CKay CKay December 2004 Games
  • Is there any Bi-Plane games on Speccy... (Solved..Dogfight :) )I`ve been playing a Flash game called Top Dog thats a lot like an old Amiga game called Biplanes I think, also, Im sure there was an original arcade …

    ... etc to draw the graphics too, rather than it being sprite based ...
    Rainbird Rich Rainbird Rich January 2005 Games
  • Head Over Heels - 256 ColoursAfter two weeks of painstaking work I've finally completed my 256 Colour version of the classic Head Over Heels, for use in Vladimir Khladov's excell…

    ... . I then shaded in each sprite in the GFX Editor, mostly ... is no Amiga version to draw from. I'm probably just ...
    monty.mole monty.mole February 2005 Games
  • Installing Z88DK Z88DK INSTALLATION Z88DK is distributed in two parts. The first part is the platform independent bits (including source and z80 libraries) and th…

    ...
    ; window frame sprite 2x2 chars
    ; extra ... {

    sp_UpdateNow(); /* draw the screen now */

    /* sp_ClipStruct clips sprite to full screen */
    Alcoholics Anonymous Alcoholics Anonymous April 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... />
    // create the sprite; on creation, sprite
    // is automatically placed ...
    // now move the sprite and draw with
    // graphic selected ... - update coordinates
    - modify sprite graphic pointers given the displacement ...
    Alcoholics Anonymous Alcoholics Anonymous September 2005 Development
  • sprite making in +3 BASIC?Any sprite tutorial I come across is far too complicated! Can someone help me? For instance, how do you create a person-shaped animated sprite which …

    ... 2 pixels.
    The sprite still takes 8x16 pixels but ... design your sprites why not draw the sprite in 2x2 character squares ... instead of 1x2?
    You simply draw ... All these comments assume the sprite will always be sitting on ...
    Kiwi Kiwi September 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... sprite will be smaller to boot, making it slightly faster to draw ... .

    * Likewise if the sprite ... /> {
    ...
    // sprite initialization
    temp = sprClrAddr;
    // now colour sprite with colours
    // ...
    Alcoholics Anonymous Alcoholics Anonymous September 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... the third column if the sprite is gonna be in a ... rows of zeros if the sprite's gonna be on a ...
    na_th_an na_th_an September 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... the co/dec routines for Sprite Pack.

    draw a variable-sized static tile (i.e. like a Sprite ... to the graphics charset, draw the background; switch to ... 'cause the fixed sprite dimmensions and the fact ... another question: If I draw something to the screen ...
    na_th_an na_th_an September 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... next interrupt. Same thing with sprite data: have starting points in ... . Neither will any other sprite lib be able to do ... would draw a variable-sized static tile (i.e. like a Sprite ... enable "backgrounds" that your main sprite can walk behind.

    Alcoholics Anonymous Alcoholics Anonymous October 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... to the raster, so all sprite draws, line draws, etc are ... be changing the draw order, doing chars in sprite order rather than ... copying or if you actually draw completed graphics one pixel row ...
    Alcoholics Anonymous Alcoholics Anonymous October 2005 Development
  • z88dk + splib2: another question (sprite instancing)I'm making some tests with z88dk+splib2, with the idea of creating a game sometime in the future, and I have come across a problem. Let's suppose I …

    ... far as I know, that sprite instancing as you describe it ... is not possible. A sprite is not just the graphic ... automaticly draw them on the next sp_UpdateAll () call, so a sprite descriptor ...
    na_th_an na_th_an October 2005 Development
  • Help, my Sprite Code wont workI have zipped it all up here: [url="http://www.peargames.co.uk/downloads/galagorf.zip"]http://www.peargames.co.uk/downloads/galagorf.zip[/url] If y…

    ... main4.asm, when I draw the sprite I dont use any fancy ...
    robpearmain robpearmain December 2005 Development
  • TommyGun UsersI was wondering how many people are actively using TommyGun. I'm thinking of shelving its development as I don't think there is really a need out the…

    ... try editting a masked sprite in TG.
    1 ... . Create a new sprite, make sure you click ... .
    3. Draw a simple sprite in the main editor ... Now draw the mask over top of the current sprite image ... create other sprites from different sprite frames.

    ...
    Kiwi Kiwi February 2006 Development
  • 128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…

    ... /> If I want to draw a sprite to the screen, say the ...
    robpearmain robpearmain February 2006 Development
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