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Graphic language |
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[mentat] (13:58 15/6/2002)
monkeyson (11:39 8/5/2002)
[mentat] (12:20 8/5/2002)
[mentat] (12:21 8/5/2002)
monkeyson (12:31 8/5/2002)
Hertzsprung (12:44 8/5/2002)
Spellbinder (12:48 8/5/2002)
Hertzsprung (13:58 15/6/2002)
Spellbinder (12:54 8/5/2002)
Hertzsprung (12:57 8/5/2002)
monkeyson (13:16 8/5/2002)
Hertzsprung (13:19 8/5/2002)
rich (13:58 15/6/2002)
Hertzsprung (13:58 15/6/2002)
rich (15:45 8/5/2002)
moss (13:58 15/6/2002)
monkeyson (13:58 15/6/2002)
Phlamethrower (18:00 8/5/2002)
arkick (13:58 15/6/2002)
Spellbinder (12:32 9/5/2002)
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monkeyson |
Message #11239, posted at 11:39, 8/5/2002, in reply to message #11238 |
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Imagehamster? |
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I don't have tourettes you're just a cun |
Message #11240, posted by [mentat] at 12:20, 8/5/2002, in reply to message #11239 |
![[mentat]](/images/smileys/mentat.gif) Fear is the mind-killer
Posts: 6266
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Imagehamster? Now that's just sick. |
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I don't have tourettes you're just a cun |
Message #11241, posted by [mentat] at 12:21, 8/5/2002, in reply to message #11240 |
Fear is the mind-killer
Posts: 6266
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Micro$oft Paintbrush! Gaaaaaaaaaaaaaaaaaah! (How rude!) |
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monkeyson |
Message #11242, posted at 12:31, 8/5/2002, in reply to message #11241 |
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MODE27:GCOL3:CIRCLE FILL 640,480,320:GCOL0:CIRCLE FILL 500,600,32:CIRCLE FILL 780,600,32:RECTANGLE FILL 500,300,280,32 |
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Hertzsprung |
Message #11243, posted at 12:44, 8/5/2002, in reply to message #11242 |
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Pah. In my day we used VDU commands! |
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Spellbinder |
Message #11244, posted at 12:48, 8/5/2002, in reply to message #11243 |
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Not for circles you didn't! |
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Spellbinder |
Message #11246, posted at 12:54, 8/5/2002, in reply to message #11245 |
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For A=0 TO 2*PI
MOVE 640,512
DRAW (SIN*A)*100,(COS*A)*100
NEXT ASomething like that I think. |
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Hertzsprung |
Message #11247, posted at 12:57, 8/5/2002, in reply to message #11246 |
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That doesn't work. You get funny gaps all over the place. |
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monkeyson |
Message #11248, posted at 13:16, 8/5/2002, in reply to message #11247 |
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REM This is a bit inefficient. FOR A=0 TO 360 STEP 5
MOVE 640,512
MOVE 640+128*SINRAD(A+5),512+128*COSRAD(A+5)
PLOT 85,640+128*SINRADA, 512+128*COSRADA
NEXT |
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Hertzsprung |
Message #11249, posted at 13:19, 8/5/2002, in reply to message #11248 |
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Is PLOT 85 a filled triangle - it is isn't it? |
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rich |
Message #11252, posted at 15:45, 8/5/2002, in reply to message #11251 |
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In old-skool BASIC there wasn't a circle command. Now there is. |
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Phlamethrower |
Message #11255, posted at 18:00, 8/5/2002, in reply to message #11254 |
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And to do a circle, you could rearrange x^2+y^2=r^2 to work out the start and end x-coords of each horizontal line of pixels that make up the circle. |
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Spellbinder |
Message #11257, posted at 12:32, 9/5/2002, in reply to message #11247 |
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That doesn't work. You get funny gaps all over the place. Well I said something like that, I'd have to try it out but I've done it before with a quite simple and similar method. |
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Hertzsprung |
Message #11245, posted at 13:58, 15/6/2002, in reply to message #11244 |
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Yep. Draw lots of little filled triangles  Actually, how do you draw a filled circle? |
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I don't have tourettes you're just a cun |
Message #11238, posted by [mentat] at 13:58, 15/6/2002 |
Fear is the mind-killer
Posts: 6266
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!Draw. Artworks. Vantage. !Paint. ... ... IMAGEM*STER!!!!! |
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rich |
Message #11250, posted at 13:58, 15/6/2002, in reply to message #11249 |
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Yep, I'm pretty sure I used PLOT85 for triangles and PLOT69 for dots back in my Electron days...  |
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Hertzsprung |
Message #11251, posted at 13:58, 15/6/2002, in reply to message #11250 |
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So you do draw filled circles by drawing lots a little triangles? Woohoo! I was right  How inefficient.... There must be a better way. Which reminds me - I never worked out an efficient way of drawing 'thick' lines... |
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moss |
Message #11253, posted at 13:58, 15/6/2002, in reply to message #11252 |
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In old-skool BASIC there wasn't a circle command. Now there is. There was a set of PLOT commands that drew circles in the BBC Master, and in the GXR ROM... I think one of the set was PLOT 101, but don't hold me to that 
[Edited by moss at 16:50, 8/5/2002] |
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monkeyson |
Message #11254, posted at 13:58, 15/6/2002, in reply to message #11251 |
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So you do draw filled circles by drawing lots a little triangles? Woohoo! I was right How inefficient.... There must be a better way. Which reminds me - I never worked out an efficient way of drawing 'thick' lines... Off the top of my head... DEF PROCthickline(x1,y1,x2,y2,th)
ang = ATN((y2-y1)/(x2-x1))
dx = th*SINang
dy = th*COSang
MOVE x1+dx,y1+dy
MOVE x1-dx,y1-dy
PLOT 85,x2+dx,y2+dy
PLOT 85,x2-dx,y2-dy
CIRCLE FILL x1,y1,th/2
CIRCLE FILL x2,y2,th/2
ENDPROC
[Edited by monkeyson at 17:35, 8/5/2002] |
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arkick |
Message #11256, posted at 13:58, 15/6/2002, in reply to message #11255 |
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My fave for causing havoc at skool: REPEAT
SYS "ColourTrans_SetGCOL",RND(&FFFFFF)<<8,,,&100
CIRCLE FILL RND(1280),RND(1024),RND(512)
UNTIL FALSE
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