01-18-2023, 10:16 PM
Code: (Select All)
'smokemotes
'playing with circlefill
'
'key presses to stimulate chnages
'R,r, G,g , B,b change colore channels
'w,a,s,d directs the flow of particles
'M,m change the magnifcation on the motes
'<,> change the count of motes displayed
'V,v change the velocity chnages will be applied
'
Screen _NewImage(600, 500, 32)
Type motetype
x As Integer
y As Integer
gx As Integer
gy As Integer
r As Single
tr As Integer
kr As Integer
kg As Integer
kb As Integer
v As Integer
End Type
Randomize Timer
Dim smoke(60000) As motetype
For m = 1 To 60000
smoke(m).x = Int(1 + Rnd * _Width)
smoke(m).y = Int(1 + Rnd * _Height)
smoke(m).gx = Int(Rnd * 3) - Int(Rnd * 3)
smoke(m).gy = Int(Rnd * 3) - Int(Rnd * 3)
smoke(m).r = Int(.5 + Rnd * 3)
smoke(m).tr = Int(6 + Rnd * 10 + Rnd * 10)
smoke(m).kr = 100 + Int(Rnd * 12) - Int(Rnd * 12)
smoke(m).kg = 100 + Int(Rnd * 12) - Int(Rnd * 12)
smoke(m).kb = 200 + Int(Rnd * 20) - Int(Rnd * 20)
smoke(m).v = Int(30 + Rnd * 12 - Rnd * 12)
Next m
mm = 30000
_FullScreen
Do
_Limit 30
Cls
For m = 1 To mm
_Limit 1000000
CircleFill smoke(m).x, smoke(m).y, smoke(m).r, _RGB32(smoke(m).kr, smoke(m).kg, smoke(m).kb, smoke(m).tr)
If Rnd * 100 < 3 Then smoke(m).gx = smoke(m).gx + Int(Rnd * 2) - Int(Rnd * 2)
If Rnd * 100 < 3 Then smoke(m).gy = smoke(m).gy + Int(Rnd * 2) - Int(Rnd * 2)
If Rnd * 100 < smoke(m).v Then smoke(m).x = smoke(m).x + smoke(m).gx
If Rnd * 100 < smoke(m).v Then smoke(m).y = smoke(m).y + smoke(m).gy
If smoke(m).x > _Width Or smoke(m).x < 0 Then smoke(m).x = Int(1 + Rnd * _Width)
If smoke(m).y > _Height Or smoke(m).y < 0 Then smoke(m).y = Int(1 + Rnd * _Width)
Select Case kk$
Case "w"
smoke(m).gy = smoke(m).gy - Int(Rnd * 4)
Case "a"
smoke(m).gx = smoke(m).gx - Int(Rnd * 4)
Case "s"
smoke(m).gy = smoke(m).gy + Int(Rnd * 4)
Case "d"
smoke(m).gx = smoke(m).gx + Int(Rnd * 4)
Case "R"
If Rnd * 100 < 66 Then
smoke(m).kr = smoke(m).kr + Int(Rnd * 3)
If smoke(m).kr > 255 Then smoke(m).kr = 0
End If
Case "G"
If Rnd * 100 < 66 Then
smoke(m).kg = smoke(m).kg + Int(Rnd * 3)
If smoke(m).kg > 255 Then smoke(m).kg = 0
End If
Case "B"
If Rnd * 100 < 66 Then
smoke(m).kb = smoke(m).kb + Int(Rnd * 3)
If smoke(m).kb > 255 Then smoke(m).kb = 0
End If
Case "r"
If Rnd * 100 < 66 Then
smoke(m).kr = smoke(m).kr - Int(Rnd * 3)
If smoke(m).kr < 0 Then smoke(m).kr = 255
End If
Case "g"
If Rnd * 100 < 66 Then
smoke(m).kg = smoke(m).kg - Int(Rnd * 3)
If smoke(m).kg < 0 Then smoke(m).kg = 255
End If
Case "b"
If Rnd * 100 < 66 Then
smoke(m).kb = smoke(m).kb - Int(Rnd * 3)
If smoke(m).kb < 0 Then smoke(m).kb = 255
End If
Case "v"
If Rnd * 100 < 66 Then
smoke(m).v = smoke(m).v - Int(Rnd * 3)
If smoke(m).v < 1 Then smoke(m).v = 1
End If
Case "V"
If Rnd * 100 < 66 Then
smoke(m).v = smoke(m).v + Int(Rnd * 3)
If smoke(m).v > 98 Then smoke(m).v = 98
End If
Case "m"
If Rnd * 100 < 66 Then
smoke(m).r = smoke(m).r * .95
End If
Case "M"
If Rnd * 100 < 66 Then
smoke(m).r = smoke(m).r * 1.1
End If
Case "t"
If Rnd * 100 < 66 Then
smoke(m).tr = smoke(m).tr * .95
End If
Case "T"
If Rnd * 100 < 66 Then
smoke(m).tr = smoke(m).tr * 1.1
End If
End Select
Next m
Select Case kk$
Case "<"
mm = mm - Int(1 + Rnd * 100)
If mm < 10 Then mm = 10
Case ">"
mm = mm + Int(1 + Rnd * 100)
If mm > 60000 Then mm = 60000
End Select
_Display
kk$ = InKey$
Loop Until kk$ = Chr$(27)
Sub CircleFill (CX As Long, CY As Long, R As Long, C As _Unsigned Long)
Dim Radius As Long, RadiusError As Long
Dim X As Long, Y As Long
Radius = Abs(R)
RadiusError = -Radius
X = Radius
Y = 0
If Radius = 0 Then PSet (CX, CY), C: Exit Sub
' Draw the middle span here so we don't draw it twice in the main loop,
' which would be a problem with blending turned on.
Line (CX - X, CY)-(CX + X, CY), C, BF
While X > Y
RadiusError = RadiusError + Y * 2 + 1
If RadiusError >= 0 Then
If X <> Y + 1 Then
Line (CX - Y, CY - X)-(CX + Y, CY - X), C, BF
Line (CX - Y, CY + X)-(CX + Y, CY + X), C, BF
End If
X = X - 1
RadiusError = RadiusError - X * 2
End If
Y = Y + 1
Line (CX - X, CY - Y)-(CX + X, CY - Y), C, BF
Line (CX - X, CY + Y)-(CX + X, CY + Y), C, BF
Wend
End Sub