A very basic implementation could be:
Type TPlayer Field X:Float Field Y:Float Field X_Speed:Float Field Y_Speed:Float Const Friction:Float = 0.90 Method Draw() DrawOval X, Y, 10,10 EndMethod Method Update() X_Speed:*Friction Y_Speed:*Friction X:+X_Speed Y:+Y_Speed Self.Draw() EndMethod EndType Graphics 800,600 Const Offset:Float = 1.0 Local Player:TPlayer = New TPlayer Player.X = GraphicsWidth() / 2 Player.Y = GraphicsHeight() / 2 While Not KeyDown(KEY_ESCAPE) If KeyDown(KEY_LEFT) Then Player.X_Speed:-Offset End If If KeyDown(KEY_RIGHT) Then Player.X_Speed:+Offset End If If KeyDown(KEY_UP) Then Player.Y_Speed:-Offset End If If KeyDown(KEY_DOWN) Then Player.Y_Speed:+Offset End If Cls ' my ship ;-) Player.Update() Flip Wend