Help with Drawing Class - GameCreators Forum

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SingyBob

15

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Joined: 14th Feb 2009

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Posted: 14th Feb 2009 15:04

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I have just purchased GDK.net and have tried to draw some grahics on the display using the Drawing.Dot(x,y,color) method but nothing appears on the screen. All the basic tutorial stuff works fine so I was wondering if there was anything different I am supposed to do to use this Drawing class.
The code I am trying is this:

Public Class Application

Public Shared Sub GameLoop()
Dim x As Integer
Dim y As Integer

While Engine.LoopGDK()
x = Core.Random(640)
y = Core.Random(480)
Drawing.Dot(x, y, Color.Blue)

Core.Sync()
End While
End Sub
End Class

I have tried using the dot method with just x and y and setting up the Ink method just in case but still no output.
Any help would be appreciated

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MoomanFL

18

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Joined: 12th Nov 2005

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Posted: 15th Feb 2009 03:01

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There are two problems. First of all, a single dot doesn't show up well in windowed mode for some reason. Secondly, you are drawing one dot in a random place on every loop cycle.

Here is a similar program that draws 50 random dots that stay in one place:

+ Code Snippet

    Public Shared Sub GameLoop()

        Dim dotpoints(0 To 49) As System.Drawing.Point

        'Set to FullScreen so Dots are easier to see
        DarkGDK.Display.FullScreen = True

        'Get the random placement for each Dot
        For counter = 0 To 49
            dotpoints(counter).X = Core.Random(640)
            dotpoints(counter).Y = Core.Random(480)
        Next

        '
        '   Loop continuously until StopGDKLoop is called, or the ESC key is pressed.
        '
        While DarkGDK.Engine.LoopGDK()

            'Actually place our Dots
            For counter = 0 To 49
                DarkGDK.Basic2D.Drawing.Dot(dotpoints(counter).X, dotpoints(counter).Y, Color.White)
            Next


            '   Tell DarkGDK.NET to render our default camera display
            DarkGDK.Core.Sync()
        End While
    End Sub

Design documents?!? What design documents??? I thought we were just going to wing it!!!

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