mirror of
https://github.com/DualBrain/QB64.git
synced 2023-11-19 13:10:13 +00:00
68 lines
1.2 KiB
QBasic
68 lines
1.2 KiB
QBasic
'************************************************
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'*
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'* This program simulates a swinging motion
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'*
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'* "04 PMG
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'*
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SCREEN 12
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' VIEW (10, 10)-(300, 180), , 1 '341
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' PRINT "A big graphics viewport";
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' cnt1 = cnt1 + 1
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' VIEW SCREEN (80, 80)-(200, 125), , 1
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' LOCATE 11, 11: PRINT "A small graphics viewport";
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'SCREEN 12
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x = 100
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y = 0
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radii = 10
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cnt = 1
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cnt2 = 0
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delay = 10000000
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WHILE cnt > 0
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cnt2 = 0
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x = 0
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cnt = 0
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WHILE cnt2 < 5010
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cnt2 = cnt2 + 1
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xw = 200 * SIN(2 * pi + cnt2 / 50)
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yw = 200 * SIN(2 * pi + cnt2 / 50)
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'PRINT "xw = ", xw
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'WINDOW (0, 0)-(500 + xw, 400 + yw)
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VIEW (100, 100)-(500, 450), , 1
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LINE (200, 100)-(200, 100)
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WHILE delcnt > 0
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delcnt = delay - 1
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WEND
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CLS
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LINE (200, 100)-(posx, posy), 1
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CIRCLE (posx, posy), 20
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LINE (200, 100)-(posx2, posy), 2
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CIRCLE (posx2, posy), radii
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LINE (200, 100)-(posx3, posy), 4
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CIRCLE (posx3, posy), 40
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posx = 200 + (50 - x / 100) * SIN(2 * pi + x / 50)
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posx2 = 200 + (100 - x / 100) * SIN(2 * pi + x / 60)
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posx3 = 200 + (50 - x / 100) * SIN(2 * pi + x / 70)
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posy = 300 + 10 * SIN(2 * pi + x / 100)
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radii = 10 + 10 * SIN(2 * pi + x / 100)
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'PRINT "x = ", posx
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x = x + 1
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cnt = cnt + 1
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WEND
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WEND |