mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-22 07:10:42 -08:00
Removed spaces from top-level directory names.
Spaces tend to cause annoyances in a Unix-style shell environment. This change fixes that.
This commit is contained in:
94
32_Diamond/javascript/diamond.js
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94
32_Diamond/javascript/diamond.js
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@@ -0,0 +1,94 @@
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// DIAMOND
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//
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// Converted from BASIC to Javascript by Oscar Toledo G. (nanochess)
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//
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function print(str)
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{
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document.getElementById("output").appendChild(document.createTextNode(str));
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}
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function input()
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{
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var input_element;
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var input_str;
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return new Promise(function (resolve) {
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input_element = document.createElement("INPUT");
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print("? ");
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input_element.setAttribute("type", "text");
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input_element.setAttribute("length", "50");
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document.getElementById("output").appendChild(input_element);
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input_element.focus();
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input_str = undefined;
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input_element.addEventListener("keydown", function (event) {
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if (event.keyCode == 13) {
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input_str = input_element.value;
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document.getElementById("output").removeChild(input_element);
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print(input_str);
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print("\n");
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resolve(input_str);
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}
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});
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});
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}
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function tab(space)
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{
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var str = "";
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while (space-- > 0)
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str += " ";
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return str;
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}
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// Main program
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async function main()
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{
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print(tab(33) + "DIAMOND\n");
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print(tab(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");
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print("\n");
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print("\n");
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print("\n");
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print("FOR A PRETTY DIAMOND PATTERN,\n");
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print("TYPE IN AN ODD NUMBER BETWEEN 5 AND 21");
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r = parseInt(await input());
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q = Math.floor(60 / r);
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as = "CC"
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x = 1;
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y = r;
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z = 2;
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for (l = 1; l <= q; l++) {
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for (n = x; z < 0 ? n >= y : n <= y; n += z) {
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str = "";
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while (str.length < (r - n) / 2)
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str += " ";
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for (m = 1; m <= q; m++) {
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c = 1;
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for (a = 1; a <= n; a++) {
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if (c > as.length)
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str += "!";
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else
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str += as[c++ - 1];
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}
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if (m == q)
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break;
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while (str.length < r * m + (r - n) / 2)
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str += " ";
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}
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print(str + "\n");
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}
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if (x != 1) {
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x = 1;
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y = r;
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z = 2;
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} else {
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x = r - 2;
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y = 1;
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z = -2;
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l--;
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}
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}
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}
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main();
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