1 files changed, 72 insertions, 0 deletions
diff --git a/mesh_tiny_cad/V2X.py b/mesh_tiny_cad/V2X.py
new file mode 100644
index 00000000..69eaeb8b
--- /dev/null
+++ b/mesh_tiny_cad/V2X.py
@@ -0,0 +1,72 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+# <pep8 compliant>
+
+
+import bpy
+import bmesh
+from mathutils import geometry
+
+
+def add_vertex_to_intersection():
+
+    obj = bpy.context.object
+    me = obj.data
+    bm = bmesh.from_edit_mesh(me)
+
+    edges = [e for e in bm.edges if e.select]
+
+    if len(edges) == 2:
+        [[v1, v2], [v3, v4]] = [[v.co for v in e.verts] for e in edges]
+
+        iv = geometry.intersect_line_line(v1, v2, v3, v4)
+        if iv:
+            iv = (iv[0] + iv[1]) / 2
+            bm.verts.new(iv)
+
+            # precaution?
+            if hasattr(bm.verts, "ensure_lookup_table"):
+                bm.verts.ensure_lookup_table()
+
+            bm.verts[-1].select = True
+            bmesh.update_edit_mesh(me)
+
+
+class TCVert2Intersection(bpy.types.Operator):
+    '''Add a vertex at the intersection (projected or real) of two selected edges'''
+    bl_idname = 'tinycad.vertintersect'
+    bl_label = 'V2X vertex to intersection'
+    bl_options = {'REGISTER', 'UNDO'}
+
+    @classmethod
+    def poll(cls, context):
+        obj = context.active_object
+        return obj is not None and obj.type == 'MESH' and obj.mode == 'EDIT'
+
+    def execute(self, context):
+        add_vertex_to_intersection()
+        return {'FINISHED'}
+
+
+def register():
+    bpy.utils.register_module(__name__)
+
+
+def unregister():
+    bpy.utils.unregister_module(__name__)