Merge pull request #19 from Clockmender/Trig-Waves

Add Trig Waves Functions

__init__.py

@@ -29,8 +29,8 @@
 bl_info = {
     "name": "Precision Drawing Tools (PDT)",
     "author": "Alan Odom (Clockmender), Rune Morling (ermo)",
-    "version": (1, 2, 2),
-    "blender": (2, 80, 0),
+    "version": (1, 4, 0),
+    "blender": (2, 82, 0),
     "location": "View3D > UI > PDT",
     "description": "Precision Drawing Tools for Acccurate Modelling",
     "warning": "",

pdt_tangent.py

@@ -113,7 +113,8 @@ def get_tangent_points(context, hloc_0, vloc_0, radius_0, hloc_p, vloc_p):
         vloc_t1: Vertical Location of First Tangent Point
         vloc_t2: Vertical Location of Second Tangent Point
     """
-    # Uses basic Pythagorus' theorum to compute locations
+
+    # Uses basic Pythagorus' theorem to compute locations
     #
     numerator = (radius_0 ** 2 * (hloc_p - hloc_0)) + (
         radius_0
@@ -296,7 +297,7 @@ def tangent_setup(context, pg, plane, obj_data, centre_0, centre_1, centre_2, ra
     """
 
     if mode in {"outer", "both"}:
-        # Uses basic trigonometry and Pythagorus' theorum to compute locations
+        # Uses basic trigonometry and Pythagorus' theorem to compute locations
         #
         if radius_0 == radius_1:
             # No intersection point for outer tangents
@@ -354,7 +355,7 @@ def tangent_setup(context, pg, plane, obj_data, centre_0, centre_1, centre_2, ra
     """
 
     if mode in {"inner", "both"}:
-        # Uses basic trigonometry and Pythagorus' theorum to compute locations
+        # Uses basic trigonometry and Pythagorus' theorem to compute locations
         #
         hloc_pi, vloc_pi = get_tangent_intersect_inner(
             centre_0[a1], centre_0[a2], centre_1[a1], centre_1[a2], radius_0, radius_1