Monkey-X - Hollyday Greetings Screen - code example

Import mojo

Global tr:Int=90
Global tg:Int=10
Global tb:Int=150

Class dot
    Field x:Float,y:Float
    Field rad:Int
    Field alpha:Float
    Field r:Int,g:Int,b:Int
    Method New()
        x = Rnd(640)
        y = Rnd(480)
        rad = Rnd(3,7)
        alpha = Rnd(0.4,0.8)
        Local c:Int=Rnd(50,255)
        If Rnd()<.8 Then 
            r = 255
            g = 255
            b = 255
            If Rnd()<.5
                rad=2
            End If
        else
                r = c/2+tr/2
                g = c/2+tg/2
                b = c/2+tb/2
        End If
    End Method
    Method draw()
        SetColor r,g,b
        SetAlpha alpha
        DrawCircle x,y,rad
    End Method
End Class

Class flake
    Field x:Float,y:Float
    Field angle:Float
    Field size:Float
    Field thick:Bool
    Field alpha:Float
    Method New(x:Float,y:Float,size:Int)
        Self.x = x
        Self.y = y
        Self.size = size
        alpha = Rnd(0.2,0.9)
        angle = Rnd(360)
        If Rnd()<.5 Then thick=True Else thick=False
    End Method
    Method draw()
        SetAlpha alpha
        PushMatrix()
        Translate(x,y)
        Rotate(angle)    
        Translate(-x,-y)
        SetColor 255,255,255
        For Local i=0 To 360-45 Step 45
            Local x1:Int=x+Cos(i)*size
            Local y1:Int=y+Sin(i)*size
            Local size2:Float=size/5+size/5
            For Local i2=0 Until 3
                Local x2:Int=x+Cos(i)*size2
                Local y2:Int=y+Sin(i)*size2
                Local size3:Int
                If i2 = 0 Then size3=size/4
                If i2 = 1 Then size3=size/3
                If i2 = 2 Then size3=size/5
                Local x3:Int=x2+Cos(i-40)*size3
                Local y3:Int=y2+Sin(i-40)*size3
                Local x4:Int=x2+Cos(i+40)*size3
                Local y4:Int=y2+Sin(i+40)*size3
                DrawLine x2,y2,x3,y3
                DrawLine x2,y2,x4,y4
                If thick = True
                    DrawLine x2+1,y2,x3+1,y3
                    DrawLine x2+1,y2,x4+1,y4
                End If
                size2+=size/5
            Next
            DrawLine x,y,x1,y1
            If thick = True Then
                DrawLine x+1,y,x1+1,y1            
            End If
        Next
        PopMatrix()
        SetAlpha 1
    End Method
    Method newang:Int(ang1:Int,m:Int)
        ang1 += m
        If ang1<0 Then Return 360+m
        If ang1>359 Then Return 0+m
    End Method
End Class

Global myflakes:List<flake> = New List<flake>
Global mydots:List<dot> = New List<dot>

Class MyGame Extends App

    Method OnCreate()
        SetUpdateRate(60)
        Seed = 3
        For Local i=0 Until 170
            mydots.AddLast(New dot())
        Next
        For Local y=0 Until 480+128 Step 128
        For Local x=0 Until 640+128 Step 128
            Local mx:Int=Rnd(-64,64)
            Local my:Int=Rnd(-64,64)
            myflakes.AddLast(New flake(x+mx,y+my,Rnd(32,64)))
        Next
        Next

    End Method
    Method OnUpdate()        
    End Method
    Method OnRender()
        Cls tr,tg,tb
        SetColor 255,255,255
        For Local i:=Eachin mydots
            i.draw
        Next
        For Local i:=Eachin myflakes
            i.draw
        Next
        Scale 4,4
        SetAlpha .76
        SetColor 255,255,255
        DrawText "Merry Christmas",DeviceWidth/(2*4),20,.5,.5
        DrawText "And a",DeviceWidth/(2*4),DeviceHeight/4/4,.5,.5
        DrawText "Happy new Year",DeviceWidth/(2*4),DeviceHeight/3/4,.5,.5        
        Scale 1,1
        SetAlpha 1
    End Method
End Class


Function Main()
    New MyGame()
End Function