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Multiple graphic controls having sprites?

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Topic: Multiple graphic controls having sprites? (Read 749 times)

datwill
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Re: Multiple graphic controls having sprites?
« Reply #2 on: Feb 3^rd, 2015, 10:09am »

Don't worry, if it isn't possible I'm not really asking you to add it (I do mean independent/unique sprites for multiple graphic controls), only if you want to! I'm pretty sure I can evade this problem anyway by making multiple apps work together.

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Richard Russell
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Posts: 1348

Re: Multiple graphic controls having sprites?
« Reply #3 on: Feb 3^rd, 2015, 9:57pm »

on Feb 3^rd, 2015, 10:09am, datwill wrote:

Don't worry, if it isn't possible I'm not really asking you to add it.

Try this (it uses sprites from the LB examples folder so you should save the program there):

Code:

    nomainwin

    loadbmp "smiley1", "sprites\smiley1.bmp"
    loadbmp "crab1", "sprites\crab1.bmp"
    loadbmp "bg1", "sprites\bg1.bmp"
    loadbmp "bg2", "sprites\bg2.bmp"
    open "sprite window 1" for graphics_nsb as #g1
    UpperLeftX = 100
    open "sprite window 2" for graphics_nsb as #g2
    #g1 "trapclose [quit]"
    #g1 "addsprite smiley1 smiley1"
    #g1 "spritetravelxy smiley1 200 250 1 [landed]"
    #g2 "trapclose [quit]"
    #g2 "addsprite crab1 crab1"
    #g2 "spritetravelxy crab1 200 250 1 [landed]"
    timer 40, [animate]
    wait

[animate]
    #g1 "background bg1"
    #g1 "spritevisible smiley1 on"
    #g2 "spritevisible crab1 off"
    #g1 "drawsprites"
    #g2 "background bg2"
    #g1 "spritevisible smiley1 off"
    #g2 "spritevisible crab1 on"
    #g2 "drawsprites"
    wait

[quit]
    close #g1
    close #g2
    end

[landed]
    wait

Richard.

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Richard Russell
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Posts: 1348

Re: Multiple graphic controls having sprites?
« Reply #4 on: May 27^th, 2016, 09:28am »

There's currently a thread at the Just BASIC forum discussing a problem arising from attempting to use sprites in two different windows or graphicboxes, which is not supported by JB or LB.

Perhaps this is a good opportunity to point out that, with care, you can use sprites in multiple windows in LBB; this Wiki article describes how. There's an overhead, because it's not a feature I specifically designed for, but it's not too onerous.

Richard.

« Last Edit: May 27^th, 2016, 09:29am by Richard Russell »

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