renamed module name

README.md

@@ -45,7 +45,7 @@ Some modules may depend on other modules. For example, the `polyline2d` module d
 	
 - Path
     - [circle_path](https://openhome.cc/eGossip/OpenSCAD/lib-circle_path.html)
-    - [bezier](https://openhome.cc/eGossip/OpenSCAD/lib-bezier.html)
+    - [bezier_curve](https://openhome.cc/eGossip/OpenSCAD/lib-bezier_curve.html)
     - [helix](https://openhome.cc/eGossip/OpenSCAD/lib-helix.html)
     - [archimedean_spiral](https://openhome.cc/eGossip/OpenSCAD/lib-archimedean_spiral.html)
     - [sphere_spiral](https://openhome.cc/eGossip/OpenSCAD/lib-sphere_spiral.html)

docs/lib-bezier_curve.md

@@ -1,6 +1,6 @@
-# bezier
+# bezier_curve
 
-Given a set of control points, the bezier function returns points of the Bézier path. Combined with the `polyline`, `polyline3d` or `hull_polyline3d` module defined in my lib-openscad, you can create a Bézier curve.
+Given a set of control points, the bezier_curve function returns points of the Bézier path. Combined with the `polyline`, `polyline3d` or `hull_polyline3d` module defined in my lib-openscad, you can create a Bézier curve.
 
 ## Parameters
 
@@ -12,7 +12,7 @@ Given a set of control points, the bezier function returns points of the Bézier
 If you have four control points and combine with the `hull_polyline3d` module:
 
     include <hull_polyline3d.scad>;
-	include <bezier.scad>;
+	include <bezier_curve.scad>;
 
 	t_step = 0.05;
 	width = 2;
@@ -22,10 +22,10 @@ If you have four control points and combine with the `hull_polyline3d` module:
 	p2 = [-50, 90, 0];
 	p3 = [0, 200, -35];
 	
-	points = bezier(t_step, 
+	points = bezier_curve(t_step, 
 	    [p0, p1, p2, p3]
 	);
 	
 	hull_polyline3d(points, width);      
 
-![bezier](images/lib-bezier-1.JPG)
+![bezier_curve](images/lib-bezier_curve-1.JPG)

src/bezier_curve.scad

@@ -1,47 +1,47 @@
 /**
-* bezier.scad
+* bezier_curve.scad
 *
-* Given a set of control points, the bezier function returns points of the Bézier path. 
+* Given a set of control points, the bezier_curve function returns points of the Bézier path. 
 * Combined with the polyline, polyline3d or hull_polyline3d module defined in my lib-openscad, 
 * you can create a Bézier curve.
 * 
 * @copyright Justin Lin, 2017
 * @license https://opensource.org/licenses/lgpl-3.0.html
 *
-* @see https://openhome.cc/eGossip/OpenSCAD/lib-bezier.html
+* @see https://openhome.cc/eGossip/OpenSCAD/lib-bezier_curve.html
 *
 **/ 
 
 function _combi(r, n) = 
     n == 0 ? 1 : (_combi(r, n - 1) * (r - n + 1) / n);
         
-function bezier_coordinate(t, pn, n, i = 0) = 
+function bezier_curve_coordinate(t, pn, n, i = 0) = 
     i == n + 1 ? 0 : 
         (_combi(n, i) * pn[i] * pow(1 - t, n - i) * pow(t, i) + 
-            bezier_coordinate(t, pn, n, i + 1));
+            bezier_curve_coordinate(t, pn, n, i + 1));
         
-function _bezier_point(t, points) = 
+function _bezier_curve_point(t, points) = 
     let(n = len(points) - 1)
     [
-        bezier_coordinate(
+        bezier_curve_coordinate(
             t, 
             [points[0][0], points[1][0], points[2][0], points[3][0]], 
             n
         ),
-        bezier_coordinate(
+        bezier_curve_coordinate(
             t,  
             [points[0][1], points[1][1], points[2][1], points[3][1]], 
             n
         ),
-        bezier_coordinate(
+        bezier_curve_coordinate(
             t, 
             [points[0][2], points[1][2], points[2][2], points[3][2]], 
             n
         )
     ];
 
-function bezier(t_step, points) = 
+function bezier_curve(t_step, points) = 
     [
         for(t = [0: t_step: 1 + t_step]) 
-            _bezier_point(t, points)
+            _bezier_curve_point(t, points)
     ];