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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Superellipse/QB64/superellipse.qb64 Normal file
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_Title "Super Ellipse"
Dim As Integer sw, sh
Dim As Single i
sw = 480: sh = 480
Screen _NewImage(sw, sh, 8)
Cls , 15
'Show different possible Super Ellipse shapes
Color 10
For i = 0.2 To 5.0 Step .1
Call SuperEllipse(sw \ 2, sh \ 2, 200, 200, i, 80)
Next
'Show task specified Super Ellipse
Color 0
Call SuperEllipse(sw \ 2, sh \ 2, 200, 200, 2.5, 200)
Sleep
System
Sub SuperEllipse (cX As Integer, cY As Integer, wide As Integer, high As Integer, pow As Double, segs As Integer)
Dim As Double power, inc, theta, cosTheta, sinTheta
Dim As Integer x1, y1
'Limit 'pow' to acceptable values
If pow < .1 Then pow = .1
If pow > 150 Then pow = 150
power = 2 / pow - 1
inc = 360.0 / segs * 0.0174532925199432957692369
PSet (wide + cX, cY)
For theta = inc To 6.28318530717958647692528 + inc Step inc
cosTheta = Cos(theta): sinTheta = Sin(theta)
x1 = wide * cosTheta * Abs(cosTheta) ^ power + cX
y1 = high * sinTheta * Abs(sinTheta) ^ power + cY
Line -(x1, y1)
Next
End Sub