add fibonacci_sphere

src/experimental/fibonacci_sphere.scad

@@ -0,0 +1,16 @@
+function fibonacci_sphere(samples) =
+    let(
+        toDegrees = 180 / PI,
+        phi = PI * (3 - sqrt(5))
+    )
+    [
+        for(i = [0:samples - 1])
+        let(
+            y = 1 - (i / (samples - 1)) * 2,
+            radius = sqrt(1 - y * y),
+            theta = phi * i,
+            x = cos(theta * toDegrees) * radius,
+            z = sin(theta * toDegrees) * radius
+        )
+        [x, y, z]
+    ];