Case Study: TurnEdgeModifier.cpp

This is a very simple modifier that alters the shared edge between two faces in any quadrilateral or n-gon.

Source Code

Please right click to download source code for this example.

• TurnEdgeModifier.cpp
• TurnEdgeModifier.h
• TurnEdgeData.cpp
• TurnEdgeData.h
• Create Script

Explanation

This modifier is simple to understand. The data interface is quite skeletal and used only to facilitate a scripted create command. There is no specific property sheet for this modifier because the modifier has no additional parameters beyond the parameters from the super-class modifier. The create command is implemented via script in modifier_scripts.ssl

• Includes
• Implementation
• Data Interface Implementation

Key Points

As you examine the code you'll notice several things:

• Face/Edge/Vertex Set Iteration
• Conversion Between Set-Types
• Frequent Checks For Mesh Validity