Added 6-3, 6-5, 7-4, 8-1, and gravity

2021-10-24 15:11:09 -07:00
parent 533a9b71bb
commit 0e30ae36d2
6 changed files with 877 additions and 0 deletions
--- a/6-3.html
+++ b/6-3.html
@@ -0,0 +1,144 @@
+<!--
+    This work is licensed under CC BY-NC-ND 4.0            
+    Link to license: http://creativecommons.org/licenses/by-nc-nd/4.0/
+    Attribute to Russell Georgi
+-->
+<html>
+    <head>
+        <title>
+            Problem 6-3
+        </title>
+        <style>
+         html, body {
+                width:  100%;
+                height: 100%;
+                margin: 0px;
+                border: 0;
+                overflow: hidden;
+                display: block;
+            }
+
+            canvas {
+                position: absolute;
+            }
+
+            .greenSlider {
+                -webkit-appearance: none;
+                border-radius: 5px;
+                height: 10px;
+                background: #d3d3d3;
+                outline: none;
+                opacity: 0.7;
+                -webkit-transition: .2s;
+                transition: opacity .2s;
+
+            }
+
+            .greenSlider::-webkit-slider-thumb {
+                -webkit-appearance: none;
+                appearance: none;
+                background: #000000;
+                border-radius: 50%;
+                width: 15px;
+                height: 15px;
+                cursor: pointer;
+            }
+
+            .greenSlider::-moz-range-thumb {
+                background: #000000;
+                border-radius: 50%;
+                width: 15px;
+                height: 15px;
+                cursor: pointer;
+            }
+        </style>
+    </head>
+    <body>       
+        <canvas id="myCanvas" width="1" height="1" style="border:1px solid #ffffff;">
+        Your browser does not support the HTML5 canvas tag.</canvas>
+        <div class="slidecontainer">
+            <t>Omega</t>
+            <input type="range" min="1" max="10" value="6" step="1" class="greenSlider" id="wSlider">
+        </div>
+        
+        <script>
+        var c = document.getElementById("myCanvas");
+        var ctx = c.getContext("2d");
+        c.width = window.innerWidth;
+        c.height = window.innerHeight;
+        //Time step
+        var dt = 0.01;
+        var t = 0;
+        var g = 98;
+        var a = 10;
+        var l = 200;
+        var w = 6;
+        var x = 0;
+        var theta = Math.PI / 4;
+        var thetap = 0;
+        //Relative position of canvas
+        var xPos = 0;
+        var yPos = 100;
+        //Moves and scales canvas
+        ctx.translate(ctx.canvas.width / 2, ctx.canvas.height / 2)
+        ctx.scale(1, -1);
+
+        wSlider.oninput = function()
+        {
+            w = parseFloat(this.value);
+            Reset();
+        }
+
+        function Clear(ctx)
+        {
+            ctx.clearRect(-c.width, -c.height, c.width * 2, c.height * 2);
+        }
+
+        function Update()
+        {
+            x = a * Math.cos(w * t);
+            Clear(ctx);
+            Draw();
+            t += dt;
+            thetap += ((x * w * w * Math.cos(theta)) - g * Math.sin(theta)) * dt / l;
+            theta += thetap * dt;
+            setTimeout(Update, 1);
+        }
+
+        function Reset()
+        {
+            theta = Math.PI / 4;
+            thetap = 0;
+            t = 0;
+        }
+
+        function Draw()
+        {
+            ctx.beginPath();
+            ctx.rect(-20 + xPos + x, -20 + yPos, 40, 40);
+            ctx.stroke();
+            ctx.beginPath();
+            ctx.arc(xPos + l * Math.sin(theta) + x, yPos - l * Math.cos(theta), 10, 0, Math.PI * 2);
+            ctx.fill();
+            ctx.beginPath();
+            ctx.moveTo(xPos + x, yPos - 20);
+            ctx.lineTo(xPos + l * Math.sin(theta) + x, yPos - l * Math.cos(theta));
+            ctx.stroke();
+        }
+
+
+        window.addEventListener('resize', function(event) {
+            c.width = window.innerWidth;
+            c.height = window.innerHeight;
+            ctx.translate(c.width / 2, c.height / 2);
+            ctx.scale(1, -1);
+        }, true);
+
+        Update();
+
+        </script>
+    </body>
+    <p xmlns:cc="http://creativecommons.org/ns#" style="font-size: 1vw; bottom: 0px; position: absolute;">
+        This work is licensed under 
+        <a href="http://creativecommons.org/licenses/by-nc-nd/4.0/?ref=chooser-v1" target="_blank" rel="license noopener noreferrer" style="display:inline-block;">CC BY-NC-ND 4.0<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/cc.svg?ref=chooser-v1"><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/by.svg?ref=chooser-v1"><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/nc.svg?ref=chooser-v1"><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/nd.svg?ref=chooser-v1"></a></p>
+</html>