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Small Unreal Engine Plugin which implements a simple cutting functionality

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UCutting

This very small Unreal Engine Plugin implements a simple Cutting functionallity. For this Objects can be defined as Cutter (e.g: knife) or Cuttable (e.g: Bread). Objects which inhert from the cutter class will be able to cut objects which inhert from the cuttable class. Here it is possible to add additional requiremtns if necessary. Futhermore it is possible to Query the information of cuttable objects via ROS and "deactivate" cutters. Even thought the Plugin is connected to the ROS Environment this is not necessary for the cutting capabilties

Prerequisits

For the cutting functionallty there are no prerequisits. But in order to futher work with the cutted item it is neceesary to connect to the ROS enviroment, which allows the Controller to ask questions about different cuttables.

Dependencies

Usage

Example how to create cutter or cuttables. Then how to interconnect it with ROS and then how to activate, deactivate it via ROS Messages or get additional Information about the cuttable.

Cutting

The easiest way to cut an object it to create a blueprint class of the provided C++.

C++ Classes Create BlueprintClass BlueprintClass Overview

Afterwards you can customize it to your wishes

Custom Cutter

Remember to check if the knife is able to cut, and check that the created BlueprintClass is able to generates Overlap Events otherwise the cutting will fail.

Can Cut & Generate OverlapEvent needs to be ticked

Create a Cuttable the same way, there you do not need to check anything.

Afterwards if the CollisionComponent of the cutter makes Contakt with an cuttable object (and CanCut is true). The cuttable will be cut into two halves

Example Cutting Example Cutting Example Cutting

ROS

Connect the Unreal Engine Simulation to your ROS Environment. For this check out the documentation of UROSBridge here.

The connection with the ROS Enviorment allows it for Control

The messages

There are two different message types, ActivateCutter and CuttablePartDescription.

CuttablePartDescription
String Name
geometry_msgs.Pose Pose
float height
float width
float depth
ActivateCutter
String Id
bool bCanCut

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Small Unreal Engine Plugin which implements a simple cutting functionality

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