Proggies

[vince]

check out this b+ mod

Code: (Select All)

_Title " Eye Candy #9B Closer" ' b+ 2022-03-09
DefDbl A-Z
xmax = _DesktopWidth: ymax = _DesktopHeight
Screen _NewImage(xmax, ymax, 32)
_ScreenMove 0, 0
xc = xmax / 2
yc = ymax / 2
diag = Sqr(xc * xc + yc * yc)
p2 = _Pi * 2
Dim colr(-100 To diag + 1000) As _Unsigned Long
Dim Shared cN, pR, pG, pB
While 1
    resetPlasma
    For i = -100 To diag + 1000
        colr(i) = Plasma~&
    Next

    ro = 950: s = 0
    While ro > -50 And _KeyDown(27) = 0
        k$ = InKey$
        If Len(k$) Then Exit While
        Cls
        For a = 0 To p2 / 64 Step p2 / (16 * 360)
            i = 50 * Sin(s) ' 2 * s or just s
            For r = 0 To diag
                PSet (xc + r * Cos(a), yc + r * Sin(a)), colr(r + i + ro)
            Next
            s = s + p2 / 180
        Next
        sx1 = xc: sy1 = yc: sx2 = xc + diag * Cos(0): sy2 = yc + diag * Sin(0): sx3 = xc + diag * Cos(p2 / 64): sy3 = yc + diag * Sin(p2 / 64)
        For a = p2 / 64 To p2 - p2 / 64 Step p2 / 64
            dx1 = xc: dy1 = yc: dx2 = xc + diag * Cos(a): dy2 = yc + diag * Sin(a): dx3 = xc + diag * Cos(a + p2 / 64): dy3 = yc + diag * Sin(a + p2 / 64)
            _MapTriangle (sx1, sy1)-(sx2, sy2)-(sx3, sy3), source& To(dx1, dy1)-(dx2, dy2)-(dx3, dy3), 0
        Next
        Line (0, 0)-(xc - 1.5 * yc, _Height), &HFF000000, BF
        Line (xc + 1.5 * yc, 0)-(_Width, _Height), &HFF000000, BF
        toggle = 1 - toggle
        If toggle Then _Display
        '_Limit 80
        ro = ro - 1
    Wend
    If _KeyDown(27) Then System
Wend

Function Plasma~& ()
    cN = cN + .2
    Plasma~& = _RGB32(127 + 127 * Sin(pR * cN), 127 + 127 * Sin(pG * cN), 127 + 127 * Sin(pB * cN))
End Function

Sub resetPlasma ()
    pR = Rnd ^ 2: pG = Rnd ^ 2: pB = Rnd ^ 2
End Sub