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Clouds
#1
Not the most useful program, but I enjoyed making it.

3 mysterious monoliths have been placed on the shore.  You can use your mouse wheel while hovering over them to find out what they do.    Big Grin

Code: (Select All)
'clouds
'james2464 - Nov 13 2022

Dim Shared scx, scy, ct As Integer
scx = 800: scy = 600
Screen _NewImage(scx, scy, 32)

Const PI = 3.141592654#
Randomize Timer

Dim Shared bg&, cd&(200)
bg& = _NewImage(scx + 1, scy + 1, 32)
For ct = 1 To 180
    cd&(ct) = _NewImage(301, 151, 32)
Next ct

Dim Shared c(100) As Long
colour1

Type movingcloud
    x As Single
    y As Single
    xv As Single
    s As Single
End Type
Dim Shared cloud(180) As movingcloud
Dim Shared cloudtotal, wind

cloudtotal = 180
wind = 1.0
makeclouds

background1
_PutImage (1, 1)-(scx - 1, scy - 1), 0, bg&, (1, 1)-(scx - 1, scy - 1) 'take snapshot of screen

cloudtotal = 30


'=====================================================
Do
    _Limit 30

    '------------------- mouse stuff -------------------
    Do While _MouseInput
        mx% = _MouseX
        my% = _MouseY
        If mx% > 400 And mx% < 430 Then
            If my% > 480 Then
                cloudtotal = cloudtotal - _MouseWheel * 2
            End If
        End If
        If mx% > 500 And mx% < 530 Then
            If my% > 480 Then
                wind = wind - _MouseWheel * .2
            End If
        End If

        If mx% > 600 And mx% < 630 Then
            If my% > 480 Then
                For ct = 1 To cloudtotal
                    cloud(ct).y = cloud(ct).y - _MouseWheel * 5
                    If cloud(ct).y > 390 Then cloud(ct).y = 390
                    If cloud(ct).y < 10 Then cloud(ct).y = 10
                    'adjust speed and scale accordingly
                    cloud(ct).xv = Rnd * .3 + ((400 - cloud(ct).y) / 500) * 5
                    cloud(ct).s = ((400 - cloud(ct).y) / 500) * 1.5
                Next ct
            End If
        End If
    Loop
    If cloudtotal > 180 Then cloudtotal = 180
    '----------------------------------------------------


    Cls
    _PutImage (0, 0)-(scx, scy), bg&, 0 'draw background


    For ct = 1 To cloudtotal

        _PutImage (cloud(ct).x, cloud(ct).y)-(cloud(ct).x + (500 * cloud(ct).s), cloud(ct).y + (150 * cloud(ct).s)), cd&(ct), 0 'cloud
        cloud(ct).x = cloud(ct).x + (cloud(ct).xv * wind)
        If wind > 0 Then
            If cloud(ct).x > 1000 Then
                cloud(ct).x = -800
                cloud(ct).y = Rnd * 555 - 10
                If cloud(ct).y > 390 Then
                    cloud(ct).y = Rnd * 30 + 360
                End If
                newcloud
            End If
        Else
            If cloud(ct).x < -800 Then
                cloud(ct).x = 1000
                cloud(ct).y = Rnd * 555 - 10
                If cloud(ct).y > 390 Then
                    cloud(ct).y = Rnd * 30 + 360
                End If
                newcloud
            End If
        End If

    Next ct
    _Display
Loop



Sub background1
    Cls

    'sky
    Line (1, 1)-(scx - 1, scy - 1), c(1), BF
    y = 400
    For t = 1 To y
        m = 255 * ((400 - t) / 400)
        c(99) = _RGBA(150, 150, 255, m)
        Line (1, t)-(scx - 1, t), c(99)
    Next t

    'water
    ty = scy - y
    For t = y To scy
        t2 = ((scy - t) * 2)
        m = 255 * ((scy - t2) / scy)
        c(99) = _RGBA(50, 50, 150, m)
        Line (1, t)-(scx - 1, t), c(99)
    Next t

    'beach
    x = scx
    For t = 410 To scy
        r = Rnd * (x / 30 + 2)
        x = x - r
        c(99) = _RGB(150, 150, 130)
        Line (x, t)-(scx, t), c(99)
    Next t

    'control monoliths
    c(99) = _RGB(120, 120, 100) 'cloud total
    Line (400, 480)-(430, scy - 10), c(99), BF

    c(99) = _RGB(100, 130, 100) 'wind
    Line (500, 480)-(530, scy - 10), c(99), BF

    c(99) = _RGB(130, 100, 100) 'distance
    Line (600, 480)-(630, scy - 10), c(99), BF


End Sub



Sub colour1
    c(0) = _RGB(0, 0, 0)
    c(1) = _RGB(255, 255, 255)
    c(2) = _RGB(255, 255, 0)
    c(3) = _RGB(255, 0, 0)
    c(4) = _RGB(0, 255, 0)
    c(5) = _RGB(0, 255, 255)
    c(6) = _RGB(255, 0, 255)
    c(7) = _RGB(30, 30, 255)
    c(8) = _RGB(150, 150, 250)
    c(9) = _RGB(250, 150, 150)
    c(10) = _RGB(150, 250, 150)
    c(11) = _RGB(150, 150, 255) 'sky blue
    c(12) = _RGB(150, 75, 125) 'cars
    c(13) = _RGB(255, 0, 0)
    c(14) = _RGB(50, 150, 50) 'ground
End Sub



Sub makeclouds

    'create cloud images with clear background

    For ct = 1 To cloudtotal

        Cls 'cloud 1
        Line (0, 0)-(302, 152), c(1), B
        b = Int(Rnd * 110 + 3) 'number of circles per cloud
        For t = 1 To b
            fct = fct + 1
            If ct / 6 = Int(ct / 6) Then
                x1 = Rnd * 120 - 60
            Else
                x1 = Rnd * 300 - 150
            End If
            If x1 < -120 Then x1 = x1 + 50
            If x1 > 120 Then x1 = x1 - 50

            y1 = Rnd * 70 + 60 - (t / 5)
            d1 = Rnd * 14 + 7
            If y1 + d1 > 120 Then y1 = 120 - d1 - Rnd * 10

            'circle construction
            t3 = Int(Rnd * 400) + 30 'resolution
            For t2 = 1 To t3
                rr = Rnd * 6.3 'random radian
                rl = Rnd * (d1 * .8) 'random line length
                dx = Cos(rr) * rl: dy = Sin(rr) * rl
                dx2 = x1 + dx
                dy2 = y1 + dy
                g1 = 240 - y1 * .3 'darkness
                g2 = 240 - y1 * .3 'darkness
                g3 = 255 - y1 * .3 'darkness
                a = 255 - (rl * 9)
                c(99) = _RGB(g1, g2, g3)
                Circle (150 + dx2, 10 + dy2), 1, c(99)
                'Sleep
            Next t2
        Next t
        _PutImage (1, 1)-(301, 151), 0, cd&(ct), (1, 1)-(300, 150)
        _ClearColor c(0), cd&(ct)

        'starting position

        cloud(ct).x = Rnd * 1400 - 600
        cloud(ct).y = Rnd * 555 - 10
        If cloud(ct).y > 390 Then
            cloud(ct).y = Rnd * 30 + 360
        End If

        newcloud

    Next ct

End Sub

Sub newcloud
    'initial speed
    cloud(ct).xv = Rnd * .3 + ((400 - cloud(ct).y) / 500) * 5
    'scale
    cloud(ct).s = ((400 - cloud(ct).y) / 500) * 1.5

End Sub
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#2
It runs if QB64PE and QB64 "Official" If you try both, you can state truly you looked at clouds from both sides now. From up and down, and still somehow It's cloud illusions I recall I really don't know clouds at all...

Well, I really don't know how you did it with such a small amount of code, but I love it! +2

Pete
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#3
Thumbs Up 
Very nice cloud machine!
b = b + ...
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#4
(11-13-2022, 08:20 PM)Pete Wrote: It runs if QB64PE and QB64 "Official" If you try both, you can state truly you looked at clouds from both sides now. From up and down, and still somehow It's cloud illusions I recall I really don't know clouds at all...

Well, I really don't know how you did it with such a small amount of code, but I love it! +2

Pete

Haha, thanks.   No trees in this program because they were all put in a tree museum.   Big Grin   Joni's a legend!

(11-13-2022, 08:22 PM)bplus Wrote: Very nice cloud machine!

Thank you!
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#5
No problem. I'm actually running your program from a parking lot!

Pete
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#6
Cool!  Nice clouds.

Lol, I kept thinking, why is that seagull not moving?  Turns out it was a gnat on my screen.

- Dav

Find my programs here in Dav's QB64 Corner
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#7
LOL. And Give Bill Gates another 10 years and you'll be able to order your gnats through Door Dash.

Pete
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