Initial data commit

Task/Archimedean-spiral/JavaScript/archimedean-spiral-3.js

@@ -0,0 +1,33 @@
+const main = strColor => intCycles => {
+    const
+        ai = 0.05,
+        ri = 0.1,
+        cvs = document.getElementById('spiral'),
+        ctx = cvs.getContext('2d'),
+        s = cvs.width / 2,
+
+        points = enumFromTo(1)(
+            Math.PI * 2 * intCycles / ai
+        ).map(i => [Math.cos, Math.sin].map(
+            f => ri * i * f(ai * i) + s
+        ));
+
+    return (
+        console.log(points),
+        ctx.fillStyle = 'white',
+        ctx.fillRect(0, 0, cvs.width, cvs.height),
+        ctx.beginPath(),
+
+        points.forEach(xy => ctx.lineTo(...xy)),
+
+        ctx.strokeStyle = strColor,
+        ctx.stroke(),
+        points
+    );
+};
+
+// enumFromTo :: Int -> Int -> [Int]
+const enumFromTo = m => n =>
+    Array.from({
+        length: 1 + n - m
+    }, (_, i) => m + i);