add radians

README.md

@@ -145,7 +145,7 @@ These examples incubate dotSCAD and dotSCAD refactors these examples. See [examp
 - [util/lerp](https://openhome.cc/eGossip/OpenSCAD/lib3x-lerp.html)
 - [util/parse_number](https://openhome.cc/eGossip/OpenSCAD/lib3x-parse_number.html)
 - util/polar_coordinate
-- util/radians
+- [util/radians](https://openhome.cc/eGossip/OpenSCAD/lib3x-radians.html)
 - [util/rand](https://openhome.cc/eGossip/OpenSCAD/lib3x-rand.html)
 - [util/reverse](https://openhome.cc/eGossip/OpenSCAD/lib3x-reverse.html)
 - [util/slice](https://openhome.cc/eGossip/OpenSCAD/lib3x-slice.html)

docs/lib3x-radians.md

@@ -0,0 +1,15 @@
+# radian
+
+Converts a degree measurement to the corresponding value in radians.
+
+**Since:**: 3.0
+
+## Parameters
+
+- `degrees` : The degrees value.
+
+## Examples
+		
+	use <util/radians.scad>;
+		
+	assert(radians(180) == PI);  

src/util/radians.scad

@@ -1 +1,11 @@
+/**
+* radians.scad
+*
+* @copyright Justin Lin, 2020
+* @license https://opensource.org/licenses/lgpl-3.0.html
+*
+* @see https://openhome.cc/eGossip/OpenSCAD/lib3x-radians.html
+*
+**/ 
+
 function radians(degrees) = PI / 180 * degrees;