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- nstrate the GetImage and PutImage commands }
-
- const
- r = 20;
- StartX = 100;
- StartY = 50;
-
- var
- CurPort : ViewPortType;
-
- procedure MoveSaucer(var X, Y : integer; Width, Height : integer);
- var
- Step : integer;
- begin
- Step := Random(2*r);
- if Odd(Step) then
- Step := -Step;
- X := X + Step;
- Step := Random(r);
- if Odd(Step) then
- Step := -Step;
- Y := Y + Step;
-
- { Make saucer bounce off viewport walls }
- with CurPort do
- begin
- if (x1 + X + Wid