init'

2026-03-10 21:01:46 +00:00
commit 9006b2e06a
242 changed files with 30823 additions and 0 deletions
--- a/projects/piApprox.php
+++ b/projects/piApprox.php
@@ -0,0 +1,78 @@
+<?php
+if($_SERVER['HTTP_X_FORWARDED_PROTO'] !== 'https') {
+  header('Location: https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
+  die();
+}
+?>
+<DOCTYPE! html>
+<html>
+<script src="https://cdn.jsdelivr.net/npm/p5@1.4.0/lib/p5.min.js"></script>
+    
+    
+    <h1 id="PIbox"></h1>
+    <h2 id="percentage"></h2>
+    <script>
+        const r = 400;
+        var circleCount, total;
+        var x, y; 
+        var calcPI;
+        var DisplayPI = "a";
+        const PI = 3.1415926535;
+        var BestPI = 5;
+
+        function setup(){
+          createCanvas(r*2,r*2);
+          background(0);
+          stroke(255,0,0);
+          strokeWeight(1);
+          noFill()
+          translate(width/2, height/2);
+          rectMode(CENTER);
+          rect(0,0,r*2,r*2);
+          ellipse(0,0,r*2,r*2);
+          circleCount = 0;
+          total = 0;
+
+
+        }
+
+        function draw(){
+          
+          translate(width/2, height/2);
+         for (var i = 0; i < 100; i++){
+                x = random(-r, r)
+                y = random(-r, r)
+
+                stroke(0,255,0)
+                
+                total += 1
+
+                var d = dist(x,y,0,0)
+                if (d < r){
+                    circleCount += 1
+                    stroke(0,0,255)
+                }
+
+                point(x,y);
+
+                calcPI = 4 * (circleCount/total);
+                if (abs(PI-calcPI) < abs(PI-BestPI)){
+                    DisplayPI = calcPI;
+                    BestPI = calcPI;
+                
+                
+
+                    var PIDisplay = document.getElementById("PIbox");
+                    PIDisplay.innerHTML = DisplayPI; 
+
+                    var ErrorDisplay = document.getElementById("percentage");
+                    var DisplayError = "a";
+                    var Perror = (calcPI - 3.14159265359)/3.14159265359
+                    Perror *= 100; 
+                    DisplayError = nfc(Perror, 10);
+                    ErrorDisplay.innerHTML = DisplayError + '%';
+                }
+            }
+        }
+    </script>
+</html>