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james |
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REM > Blend |
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ONERRORONERROROFF:MODE27:REPORT:PRINTERL:END |
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DIM g%(50, 50) |
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REPEAT |
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MODE 28 :REM 640 x 480 |
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VDU 28, 0, 0, 79, 0 |
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REPEAT |
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INPUT "Grid width: "w$ |
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w% = VAL(w$) |
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IF w% > 50 THEN VDU7: PRINT "Maximum is 50";: g=GET: PRINT |
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IF w% < 2 THEN VDU7: PRINT "Minimum is 2";: g=GET: PRINT |
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UNTIL (w% <= 50) AND (w% > 1) |
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REPEAT |
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INPUT "Grid height: "h$ |
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h% = VAL(h$) |
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IF h% > 50 THEN VDU7: PRINT "Maximum is 50";: g=GET: PRINT |
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IF h% < 2 THEN VDU7: PRINT "Minimum is 2";: g=GET: PRINT |
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UNTIL (h% <= 50) AND (h% > 1) |
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OFF |
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dx% = 1279 / w% |
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dy% = 920 / h% |
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IF dx% < dy% THEN d% = dx% ELSE d% = dy% |
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GCOL %111111 TINT %11 |
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FOR x% = 0 TO w% |
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LINE x% * d%, 0, x% * d%, h% * d% |
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NEXT |
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FOR y% = 0 TO h% |
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LINE 0, y% * d%, w% * d%, y% * d% |
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NEXT |
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g%() = 0 |
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PRINT "Use 0-6 to choose colours and mouse to place atoms; press space to start"; |
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MOUSE ON |
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MOUSE RECTANGLE 0, 0, w% * d% - 1, h% * d% - 1 |
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MOUSE X%, Y%, Z% |
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ox% = X% / d% + 1 |
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oy% = Y% / d% + 1 |
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c% = 1 |
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GCOL %000011 TINT %11 |
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REPEAT |
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MOUSE X%, Y%, Z% |
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x% = X% / d% + 1 |
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y% = Y% / d% + 1 |
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i$ = INKEY$(0) |
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IF (x% <> ox%) OR (y% <> oy%) THEN |
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PRINT '"Coordinates: "+STR$x%+", "+STR$y%; |
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ox% = x% |
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oy% = y% |
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ENDIF |
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CASE i$ OF |
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WHEN "1": c% = 1: GCOL %000011 TINT %11: PRINT '"Red selected"; |
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WHEN "2": c% = 2: GCOL %001100 TINT %11: PRINT '"Green selected"; |
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WHEN "3": c% = 3: GCOL %110000 TINT %11: PRINT '"Blue selected"; |
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WHEN "4": c% = 4: GCOL %001111 TINT %11: PRINT '"Yellow selected"; |
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WHEN "5": c% = 5: GCOL %110011 TINT %11: PRINT '"Magenta selected"; |
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WHEN "6": c% = 6: GCOL %111100 TINT %11: PRINT '"Cyan selected"; |
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WHEN "0": c% = 0: GCOL %000000 TINT %00: PRINT '"Removing atoms"; |
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ENDCASE |
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IF Z% > 0 THEN |
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g%(x%, y%) = c% |
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CIRCLE FILL x% * d% - (d% / 2), y% * d% - (d% / 2), (d% / 2) - 4 |
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ENDIF |
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UNTIL i$ = " " |
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MOUSE OFF |
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GCOL %000000 TINT %00 |
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FOR x% = 1 TO w% - 1 |
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LINE x% * d%, 2, x% * d%, h% * d% - 1 |
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NEXT |
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FOR y% = 1 TO h% - 1 |
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LINE 2, y% * d%, w% * d% - 1, y% * d% |
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NEXT |
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PRINT '"Diffusing... press a key to end"; |
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REPEAT |
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x% = RND(w%) |
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y% = RND(h%) |
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tx% = x% |
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ty% = y% |
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IF g%(x%, y%) > 0 THEN |
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CASE RND(8) OF |
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WHEN 1: ty% += 1 |
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WHEN 2: tx% += 1: ty% += 1 |
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WHEN 3: tx% += 1 |
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WHEN 4: tx% += 1: ty% -= 1 |
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WHEN 5: ty% -= 1 |
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WHEN 6: tx% -= 1: ty% -= 1 |
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WHEN 7: tx% -= 1 |
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WHEN 8: tx% -= 1: ty% += 1 |
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ENDCASE |
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IF (tx% > 0) AND (ty% > 0) AND (tx% <= w%) AND (ty% <= h%) THEN |
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IF g%(tx%, ty%) = 0 THEN |
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g%(tx%, ty%) = g%(x%, y%) |
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g%(x%, y%) = 0 |
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GCOL %000000 TINT %00 |
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CIRCLE FILL x% * d% - (d% / 2), y% * d% - (d% / 2), (d% / 2) - 4 |
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CASE g%(tx%, ty%) OF |
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WHEN 1: GCOL %000011 TINT %11 |
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WHEN 2: GCOL %001100 TINT %11 |
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WHEN 3: GCOL %110000 TINT %11 |
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WHEN 4: GCOL %001111 TINT %11 |
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WHEN 5: GCOL %110011 TINT %11 |
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WHEN 6: GCOL %111100 TINT %11 |
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ENDCASE |
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CIRCLE FILL tx% * d% - (d% / 2), ty% * d% - (d% / 2), (d% / 2) - 4 |
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ENDIF |
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ENDIF |
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ENDIF |
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UNTIL INKEY(0) > -1 |
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PRINT '"Press a key..."; |
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IF GET |
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UNTIL 0 |
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