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- '******************************************************************************
- '* WORMY - Circle drawing demo. *
- '* *
- '* Written for GRAFIX by: Joseph A. Albrecht *
- '* *
- '* Press F10 to toggle between 320 and 640 graphic modes *
- '* Press ESC to exit program *
- '******************************************************************************
- '$INCLUDE: 'GRAFQBS.INC'
- 'The above line is for QuickBASIC.
-
- ''$INCLUDE "GRAFTBS.INC"
- 'The above line is for TURBO BASIC. Remove the '' to compile the program.
-
- ''$INCLUDE "GRAFPBS.INC"
- 'The above line is for PowerBASIC. Remove the '' to compile the program.
-
- Graphics = 320
- CALL GetTandy11(Tandy11%)
- CALL MediumGraphics
-
- Again:
- CALL ClearScreen
- IF Graphics = 320 THEN
- CALL SetCursor(1, 18)
- ELSE
- CALL SetCursor(1, 38)
- END IF
- CALL PrintString("WORMY")
- C# = 0
- FOR X# = .1 TO 1.1 STEP .002
- GOSUB CheckKey
- C# = C# + .1
- IF Graphics = 320 THEN
- X% = X# * 200
- Y% = SIN(X# * 24) * (X# * 50) + 100
- Radius% = X# * 40
- C% = C#
- CALL ExtCircleC(X%, Y%, Radius%, C%)
- ELSE
- X% = X# * 400
- Y% = SIN(X# * 24) * (X# * 50) + 100
- Radius% = X# * 75
- C% = C#
- CALL ExtCircleC(X%, Y%, Radius%, C%)
- END IF
- IF C# > 15 THEN C# = 0
- NEXT X#
- X# = TIMER + 7
- A$ = ""
- WHILE (TIMER < X#) AND (A$ = "")
- A$ = INKEY$
- WEND
- IF A$ = CHR$(27) GOTO EndProgram
- GOTO Again
-
- CheckKey:
- K$ = INKEY$
- K$ = RIGHT$(K$, 1)
- IF K$ = CHR$(27) THEN GOTO EndProgram
- IF K$ = CHR$(68) AND Tandy11% = Tandy11.True% THEN
- IF Graphics = 320 THEN
- Graphics = 640
- CALL HighGraphics
- RETURN AGAIN
- ELSE
- Graphics = 320
- CALL MediumGraphics
- RETURN AGAIN
- END IF
- END IF
- RETURN
-
- EndProgram:
- CALL ExitGraphics
- END