feat: add my canvaz solution (#275)

zero-to-mastery · May 22, 2022 · 6a109c6 · 6a109c6
1 parent cb81677
commit 6a109c6
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diff --git a/src/art/sampsonorson/icon.gif b/src/art/sampsonorson/icon.gif
diff --git a/src/art/sampsonorson/index.css b/src/art/sampsonorson/index.css
diff --git a/src/art/sampsonorson/index.html b/src/art/sampsonorson/index.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>HacktoberFox | Sampson Orson Jackson</title>
+    <link rel="stylesheet" href="index.css">
+</head>
+
+<body>
+    <canvas id="canvaz"></canvas>
+</body>
+<script src="index.js"></script>
+
+</html>
diff --git a/src/art/sampsonorson/index.js b/src/art/sampsonorson/index.js
@@ -0,0 +1,46 @@
+window.addEventListener("load", (e) => {
+    const canvazEl = document.getElementById("canvaz");
+
+    if (!canvazEl?.getContext) return;
+
+    // Resizing
+    sizeCanvaz(canvazEl);
+
+    const context = canvazEl.getContext("2d");
+    const radian = Math.PI / 180;
+    let r = 50;
+    let x = -50;
+    let startAngle = 90 * radian;
+    let endAngle = 2 * Math.PI;
+    let currentAngle = 0;
+    let oldTime = getTime();
+
+    // x, y, radius, startAngle, endAngle [, counterclockwise]
+    // the x and y position is relative to the center of the circle
+    setInterval(() => {
+      let newTime = getTime();
+      let diff = newTime - oldTime;
+
+      context.fillStyle = "#000";
+      context.fillRect(0, 0, context.canvas.width, context.canvas.height);
+
+      context.beginPath();
+      context.fillStyle = "red";
+      context.arc(x++, context.canvas.height / 2, r, startAngle + currentAngle, endAngle + currentAngle);
+      context.fill();
+
+      currentAngle += 0.1;
+      currentAngle %= 2 * Math.PI;
+
+      if (x >= context.canvas.width + r) {
+        x = -r;
+      }
+    }, 10);
+  });
+
+  const sizeCanvaz = (el) => {
+    el.width = "350";
+    el.height = "350";
+  };
+
+  const getTime = () => (new Date()).getTime();
diff --git a/src/art/sampsonorson/meta.json b/src/art/sampsonorson/meta.json
@@ -0,0 +1,5 @@
+{
+    "art_name": "HacktoberFox",
+    "author_name": "Sampson Orson Jackson",
+    "author_github_url": "https://github.com/dev-sampsonorson"
+}