From 4d95b8763f9a3c916b7c4dcc5e6336befe7dfed4 Mon Sep 17 00:00:00 2001 From: nanochess Date: Fri, 5 Mar 2021 18:51:50 -0600 Subject: [PATCH] Ported LIFE to Javascript --- 55 Life/javascript/life.html | 9 ++ 55 Life/javascript/life.js | 191 +++++++++++++++++++++++++++++++++++ 2 files changed, 200 insertions(+) create mode 100644 55 Life/javascript/life.html create mode 100644 55 Life/javascript/life.js diff --git a/55 Life/javascript/life.html b/55 Life/javascript/life.html new file mode 100644 index 00000000..bebc6e82 --- /dev/null +++ b/55 Life/javascript/life.html @@ -0,0 +1,9 @@ + + +LIFE + + +

+
+
+
diff --git a/55 Life/javascript/life.js b/55 Life/javascript/life.js
new file mode 100644
index 00000000..338d48d5
--- /dev/null
+++ b/55 Life/javascript/life.js	
@@ -0,0 +1,191 @@
+// LIFE
+//
+// 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 bs = [];
+var a = [];
+
+// Main program
+async function main()
+{
+    print(tab(34) + "LIFE\n");
+    print(tab(15) + "CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY\n");
+    print("\n");
+    print("\n");
+    print("\n");
+    print("ENTER YOUR PATTERN:\n");
+    x1 = 1;
+    y1 = 1;
+    x2 = 24;
+    y2 = 70;
+    for (c = 1; c <= 24; c++) {
+        bs[c] = "";
+        a[c] = [];
+        for (d = 1; d <= 70; d++)
+            a[c][d] = 0;
+    }
+    c = 1;
+    while (1) {
+        bs[c] = await input();
+        if (bs[c] == "DONE") {
+            bs[c] = "";
+            break;
+        }
+        if (bs[c].substr(0, 1) == ".")
+            bs[c] = " " + bs[c].substr(1);
+        c++;
+    }
+    c--;
+    l = 0;
+    for (x = 1; x <= c - 1; x++) {
+        if (bs[x].length > l)
+            l = bs[x].length;
+    }
+    x1 = 11 - (c >> 1);
+    y1 = 33 - (l >> 1);
+    p = 0;
+    for (x = 1; x <= c; x++) {
+        for (y = 1; y <= bs[x].length; y++) {
+            if (bs[x][y - 1] != " ") {
+                a[x1 + x][y1 + y] = 1;
+                p++;
+            }
+        }
+    }
+    print("\n");
+    print("\n");
+    print("\n");
+    i9 = false;
+    g = 0;
+    while (g < 100) {
+        print("GENERATION: " + g + " POPULATION: " + p + " ");
+        if (i9)
+            print("INVALID!");
+        x3 = 24;
+        y3 = 70;
+        x4 = 1;
+        y4 = 1;
+        p = 0;
+        g++;
+        for (x = 1; x <= x1 - 1; x++)
+            print("\n");
+        for (x = x1; x <= x2; x++) {
+            print("\n");
+            str = "";
+            for (y = y1; y <= y2; y++) {
+                if (a[x][y] == 2) {
+                    a[x][y] = 0;
+                    continue;
+                } else if (a[x][y] == 3) {
+                    a[x][y] = 1;
+                } else if (a[x][y] != 1) {
+                    continue;
+                }
+                while (str.length < y)
+                    str += " ";
+                str += "*";
+                if (x < x3)
+                    x3 = x;
+                if (x > x4)
+                    x4 = x;
+                if (y < y3)
+                    y3 = y;
+                if (y > y4)
+                    y4 = y;
+            }
+            print(str);
+        }
+        for (x = x2 + 1; x <= 24; x++)
+            print("\n");
+        x1 = x3;
+        x2 = x4;
+        y1 = y3;
+        y2 = y4;
+        if (x1 < 3) {
+            x1 = 3;
+            i9 = true;
+        }
+        if (x2 > 22) {
+            x2 = 22;
+            i9 = true;
+        }
+        if (y1 < 3) {
+            y1 = 3;
+            i9 = true;
+        }
+        if (y2 > 68) {
+            y2 = 68;
+            i9 = true;
+        }
+        p = 0;
+        for (x = x1 - 1; x <= x2 + 1; x++) {
+            for (y = y1 - 1; y <= y2 + 1; y++) {
+                c = 0;
+                for (i = x - 1; i <= x + 1; i++) {
+                    for (j = y - 1; j <= y + 1; j++) {
+                        if (a[i][j] == 1 || a[i][j] == 2)
+                            c++;
+                    }
+                }
+                if (a[x][y] == 0) {
+                    if (c == 3) {
+                        a[x][y] = 3;
+                        p++;
+                    }
+                } else {
+                    if (c < 3 || c > 4) {
+                        a[x][y] = 2;
+                    } else {
+                        p++;
+                    }
+                }
+            }
+        }
+        x1--;
+        y1--;
+        x2++;
+        y2++;
+    }
+}
+
+main();