Alt click on a node connection automatically disconnect it from the other nodes. And there is some nodes which can be easily summoned by pressing a key and clicking at the same time. Like B+click will place a branch, and S+click a sequence.
If you're willing to compile it, Aseprite is a great option as well.
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Terra Nova is a dynamic in-game environment system for use in games that require the player to design its own environment. It uses procedural mesh components and simplex noise to generate believable landscapes on the go. It uses a self contained tile system to boost performance.
- Dynamic world creation using simplex noise
- Smart foliage spawning
- Easy to swap meshes and materials
- Road drawing system
The project was created for Unreal Engine 4.11
Developer states that Terra Nova is a research project meant for educational purposes, not a release ready project.
The Substance plugin is required to open the project, you can find it for free in the unreal vault or here.
You can also get a packaged build of the dynamic in-game environment builder here.
If you have any questions, you can contact the developer.