Created
January 16, 2013 22:58
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Render move solutions to n-disked Tower Of Hanoi puzzles.
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load(__folder + "drone.js"); | |
Drone.extend("toh",function(dc){ | |
var d = this; | |
var tf = function(dc){ | |
var ta = []; | |
var tb = []; | |
var tc = []; | |
for(var i = dc;i > 0; i--){ | |
ta.push(i); | |
} | |
var history = [{a:ta.slice(0),b:tb.slice(0),c:tc.slice(0)}]; | |
var hanoi = function(n, source, by, dest){ | |
if(n == 0) return; | |
hanoi(n-1,source,dest,by); | |
if(source == 'A'){ | |
ta.pop(); | |
} | |
else if(source == 'B'){ | |
tb.pop(); | |
} | |
else if(source == 'C'){ | |
tc.pop(); | |
} | |
if(dest == 'A'){ | |
ta.push(n); | |
} | |
else if(dest == 'B'){ | |
tb.push(n); | |
} | |
else if(dest == 'C'){ | |
tc.push(n); | |
} | |
history.push({a:ta.slice(0),b:tb.slice(0),c:tc.slice(0)}); | |
hanoi(n-1,by,source,dest); | |
} | |
var draw = function(frame){ | |
d.chkpt("s"); | |
draw_col(frame.a); | |
d.right(1); | |
draw_col(frame.b); | |
d.right(1); | |
draw_col(frame.c); | |
d.right(1); | |
d.move("s"); | |
} | |
var draw_col = function(a){ | |
d.chkpt("d"); | |
for(var i = 0;i < a.length; i++){ | |
if(a[i] == 1){ | |
d.box('35:1').up(); | |
} | |
else if(a[i] == 2){ | |
d.box('35:2').up(); | |
} | |
else if(a[i] == 3){ | |
d.box('35:3').up(); | |
} | |
else if(a[i] == 4){ | |
d.box('35:4').up(); | |
} | |
else if(a[i] == 5){ | |
d.box('35:5').up(); | |
} | |
else if(a[i] == 6){ | |
d.box('35:6').up(); | |
} | |
else if(a[i] == 7){ | |
d.box('35:7').up(); | |
} | |
else if(a[i] == 8){ | |
d.box('35:8').up(); | |
} | |
else if(a[i] == 9){ | |
d.box('35:9').up(); | |
} | |
else if(a[i] == 10){ | |
d.box('35:10').up(); | |
} | |
} | |
d.move("d"); | |
} | |
hanoi(dc,'A','B','C'); | |
while(history.length > 0){ | |
var frame = history.shift(); | |
draw(frame); | |
d.fwd(1); | |
} | |
} | |
tf(dc); | |
return this; | |
}); |
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