diff --git a/90 Tower/javascript/tower.html b/90 Tower/javascript/tower.html new file mode 100644 index 00000000..84318f33 --- /dev/null +++ b/90 Tower/javascript/tower.html @@ -0,0 +1,9 @@ + + +TOWER + + +

+
+
+
diff --git a/90 Tower/javascript/tower.js b/90 Tower/javascript/tower.js
new file mode 100644
index 00000000..06e8745c
--- /dev/null
+++ b/90 Tower/javascript/tower.js	
@@ -0,0 +1,254 @@
+// TOWER
+//
+// Converted from BASIC to Javascript by Oscar Toledo G. (nanochess)
+//
+
+function print(str)
+{
+    document.getElementById("output").appendChild(document.createTextNode(str));
+}
+
+function input()
+{
+    var input_element;
+    var input_str;
+    
+    return new Promise(function (resolve) {
+                       input_element = document.createElement("INPUT");
+                       
+                       print("? ");
+                       input_element.setAttribute("type", "text");
+                       input_element.setAttribute("length", "50");
+                       document.getElementById("output").appendChild(input_element);
+                       input_element.focus();
+                       input_str = undefined;
+                       input_element.addEventListener("keydown", function (event) {
+                                                      if (event.keyCode == 13) {
+                                                      input_str = input_element.value;
+                                                      document.getElementById("output").removeChild(input_element);
+                                                      print(input_str);
+                                                      print("\n");
+                                                      resolve(input_str);
+                                                      }
+                                                      });
+                       });
+}
+
+function tab(space)
+{
+    var str = "";
+    while (space-- > 0)
+        str += " ";
+    return str;
+}
+
+var ta = [];
+
+// Print subroutine
+function show_towers()
+{
+    var z;
+    
+    for (var k = 1; k <= 7; k++) {
+        z = 10;
+        str = "";
+        for (var j = 1; j <= 3; j++) {
+            if (ta[k][j] != 0) {
+                while (str.length < z - Math.floor(ta[k][j] / 2))
+                    str += " ";
+                for (v = 1; v <= ta[k][j]; v++)
+                    str += "*";
+            } else {
+                while (str.length < z)
+                    str += " ";
+                str += "*";
+            }
+            z += 21;
+        }
+        print(str + "\n");
+    }
+}
+
+// Main control section
+async function main()
+{
+    print(tab(33) + "TOWERS\n");
+    print(tab(15) + "CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY\n");
+    print("\n");
+    print("\n");
+    print("\n");
+    while (1) {
+        print("\n");
+        // Initialize
+        e = 0;
+        for (d = 1; d <= 7; d++) {
+            ta[d] = [];
+            for (n = 1; n <= 3; n++)
+                ta[d][n] = 0;
+        }
+        print("TOWERS OF HANOI PUZZLE.\n");
+        print("\n");
+        print("YOU MUST TRANSFER THE DISKS FROM THE LEFT TO THE RIGHT\n");
+        print("TOWER, ONE AT A TIME, NEVER PUTTING A LARGER DISK ON A\n");
+        print("SMALLER DISK.\n");
+        print("\n");
+        while (1) {
+            print("HOW MANY DISKS DO YOU WANT TO MOVE (7 IS MAX)");
+            s = parseInt(await input());
+            print("\n");
+            m = 0;
+            if (s >= 1 && s <= 7)
+                break;
+            e++;
+            if (e < 2) {
+                print("SORRY, BUT I CAN'T DO THAT JOB FOR YOU.\n");
+                continue;
+            }
+            print("ALL RIGHT, WISE GUY, IF YOU CAN'T PLAY THE GAME RIGHT, I'LL\n");
+            print("JUST TAKE MY PUZZLE AND GO HOME.  SO LONG.\n");
+            return;
+        }
+        // Store disks from smallest to largest
+        print("IN THIS PROGRAM, WE SHALL REFER TO DISKS BY NUMERICAL CODE.\n");
+        print("3 WILL REPRESENT THE SMALLEST DISK, 5 THE NEXT SIZE,\n");
+        print("7 THE NEXT, AND SO ON, UP TO 15.  IF YOU DO THE PUZZLE WITH\n");
+        print("2 DISKS, THEIR CODE NAMES WOULD BE 13 AND 15.  WITH 3 DISKS\n");
+        print("THE CODE NAMES WOULD BE 11, 13 AND 15, ETC.  THE NEEDLES\n");
+        print("ARE NUMBERED FROM LEFT TO RIGHT, 1 TO 3.  WE WILL\n");
+        print("START WITH THE DISKS ON NEEDLE 1, AND ATTEMPT TO MOVE THEM\n");
+        print("TO NEEDLE 3.\n");
+        print("\n");
+        print("GOOD LUCK!\n");
+        print("\n");
+        y = 7;
+        d = 15;
+        for (x = s; x >= 1; x--) {
+            ta[y][1] = d;
+            d -= 2;
+            y--;
+        }
+        show_towers();
+        while (1) {
+            print("WHICH DISK WOULD YOU LIKE TO MOVE");
+            e = 0;
+            while (1) {
+                d = parseInt(await input());
+                if (d % 2 == 0 || d < 3 || d > 15) {
+                    print("ILLEGAL ENTRY... YOU MAY ONLY TYPE 3,5,7,9,11,13, OR 15.\n");
+                    e++;
+                    if (e <= 1)
+                        continue;
+                    print("STOP WASTING MY TIME.  GO BOTHER SOMEONE ELSE.\n");
+                    return;
+                } else {
+                    break;
+                }
+            }
+            // Check if requested disk is below another
+            for (r = 1; r <= 7; r++) {
+                for (c = 1; c <= 3; c++) {
+                    if (ta[r][c] == d)
+                        break;
+                }
+                if (c <= 3)
+                    break;
+            }
+            for (q = r; q >= 1; q--) {
+                if (ta[q][c] != 0 && ta[q][c] < d)
+                    break;
+            }
+            if (q >= 1) {
+                print("THAT DISK IS BELOW ANOTHER ONE.  MAKE ANOTHER CHOICE.\n");
+                continue;
+            }
+            e = 0;
+            while (1) {
+                print("PLACE DISK ON WHICH NEEDLE");
+                n = parseInt(await input());
+                if (n >= 1 && n <= 3)
+                    break;
+                e++;
+                if (e <= 1) {
+                    print("I'LL ASSUME YOU HIT THE WRONG KEY THI TIME.  BUT WATCH IT,\n");
+                    print("I ONLY ALLOW ONE MISTAKE.\n");
+                    continue;
+                } else {
+                    print("I TRIED TO WARN YOU, BUT YOU WOULDN'T LISTEN.\n");
+                    print("BYE BYE, BIG SHOT.\n");
+                    return;
+                }
+            }
+            // Check if requested disk is below another
+            for (r = 1; r <= 7; r++) {
+                if (ta[r][n] != 0)
+                    break;
+            }
+            if (r <= 7) {
+                // Check if disk to be placed on a larger one
+                if (d >= ta[r][n]) {
+                    print("YOU CAN'T PLACE A LARGER DISK ON TOP OF A SMALLER ONE,\n");
+                    print("IT MIGHT CRUSH IT!\n");
+                    print("NOW THEN, ");
+                    continue;
+                }
+            }
+            // Move relocated disk
+            for (v = 1; v <= 7; v++) {
+                for (w = 1; w <= 3; w++) {
+                    if (ta[v][w] == d)
+                        break;
+                }
+                if (w <= 3)
+                    break;
+            }
+            // Locate empty space on needle n
+            for (u = 1; u <= 7; u++) {
+                if (ta[u][n] != 0)
+                    break;
+            }
+            ta[--u][n] = ta[v][w];
+            ta[v][w] = 0;
+            // Print out current status
+            show_towers();
+            // Check if done
+            m++;
+            for (r = 1; r <= 7; r++) {
+                for (c = 1; c <= 2; c++) {
+                    if (ta[r][c] != 0)
+                        break;
+                }
+                if (c <= 2)
+                    break;
+            }
+            if (r > 7)
+                break;
+            if (m > 128) {
+                print("SORRY, BUT I HAVE ORDERS TO STOP IF YOU MAKE MORE THAN\n");
+                print("128 MOVES.\n");
+                return;
+            }
+        }
+        if (m == Math.pow(2, s) - 1) {
+            print("\n");
+            print("CONGRATULATIONS!!\n");
+            print("\n");
+        }
+        print("YOU HAVE PERFORMED THE TASK IN " + m + " MOVES.\n");
+        print("\n");
+        print("TRY AGAIN (YES OR NO)");
+        while (1) {
+            str = await input();
+            if (str == "YES" || str == "NO")
+                break;
+            print("\n");
+            print("'YES' OR 'NO' PLEASE");
+        }
+        if (str == "NO")
+            break;
+    }
+    print("\n");
+    print("THANKS FOR THE GAME!\n");
+    print("\n");
+}
+
+main();