Honeycombs: Difference between revisions
Added XPL0
(Added BBC BASIC) |
(Added XPL0) |
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puts "overall list of characters: $chosen"
exit</lang>
=={{header|XPL0}}==
[[File:HoneyXPL0.gif|right]]
<lang XPL0>include c:\cxpl\stdlib; \(color definitions, etc.)
proc DrawHexagon(X0, Y0, Side, Color); \Draw a filled hexagon centered at X0,Y0
int X0, Y0, Side, Color;
int X, Y;
for Y:= -Side*19/22 to +Side*19/22 do \19/22 aprox = sqrt(3.0)/2.0
for X:= -Side to +Side do
if abs(X) + abs(Y)*23/38 <= Side then \23/38 aprox = 1.0/sqrt(3.0)
Point(X+X0, Y+Y0, Color);
def Cols=5, Rows=4, X0=23, Y0=20; \matrix shape, offset on screen
int C, R, X, Y, Letter, Counter, SaveX(26), SaveY(26);
[SetVid($101); \set video to 640x480x8 graphics
for Letter:= 0 to 26-1 do SaveX(Letter):= 0;
Attrib(LMagenta<<8); \light magenta letter background
for R:= 0 to Rows-1 do
for C:= 0 to Cols-1 do
[X:= C*35 + X0; Y:= R*40 + (C&1)*20 + Y0;
DrawHexagon(X, Y, 22, LMagenta);
repeat Letter:= Ran(26) until SaveX(Letter) = 0;
Move(X-4, Y-7); ChOut(6, Letter+^A);
SaveX(Letter):= X; SaveY(Letter):= Y; \save coordinates for letter
];
Counter:= 0;
repeat Letter:= ChIn(1); \get letter from keyboard
if Letter>=^a & Letter<=^z then Letter:= Letter-$20; \make uppercase
if Letter>=^A & Letter<=^Z then
if SaveX(Letter-^A) # 0 then \letter is available
[X:= SaveX(Letter-^A); Y:= SaveY(Letter-^A);
DrawHexagon(X, Y, 22, Yellow); \change color
Move(X-4, Y-7);
Attrib(Yellow<<8); ChOut(6, Letter);
Move(Counter*8+8, Rows*40+30); \show record of chosen letters
Attrib(Yellow); ChOut(6, Letter);
Counter:= Counter+1;
SaveX(Letter-^A):= 0; \letter is no longer available
]
else ChOut(0, Bel) \letter is not available
else ChOut(0, Bel); \not a letter (A..Z)
until Counter >= Cols*Rows;
SetVid($03); \restore normal text display
]</lang>
{{omit from|ACL2}}
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