What Is Bolt Visual Scripting?


Scott Campbell

What Is Bolt Visual Scripting?

Bolt Visual Scripting is a powerful visual scripting tool that allows developers to create complex game logic and behavior without the need for traditional coding. It provides a user-friendly interface where you can create and connect nodes to define your game’s behavior, making it accessible to both programmers and non-programmers alike.

Why Use Bolt Visual Scripting?

Bolt Visual Scripting offers several advantages over traditional coding:

  • Simplicity: With Bolt, you don’t need to write lines of code manually. Instead, you use a drag-and-drop system that allows you to connect pre-built nodes.
  • Accessibility: Bolt is designed to be user-friendly, making it accessible to developers of all skill levels.

    You don’t need extensive programming knowledge to create complex behaviors.

  • Rapid Prototyping: Bolt’s visual nature enables fast iteration and prototyping. You can quickly experiment with different ideas and make changes on the fly.
  • Debugging Made Easy: Bolt provides visual debugging tools that allow you to easily identify and fix issues in your scripts. This saves a significant amount of time during the development process.

How Does Bolt Visual Scripting Work?

In Bolt, you work with graphs composed of nodes connected by edges. Each node represents a specific action or condition, while the edges define the flow of logic between them.

You can create variables, functions, events, and more using various node types available in Bolt. These nodes can be combined and connected in different ways to build complex behaviors specific to your game’s requirements.


Bolt allows you to create and use variables within your scripts. Variables store data and can be accessed and modified as needed. You can define variables of different types, such as integers, floats, booleans, strings, and even custom types.


Functions in Bolt are reusable pieces of code that perform a specific task. They encapsulate logic and can take inputs and provide outputs. By using functions, you can modularize your code and make it more organized and maintainable.


Events are used to trigger actions or behaviors in response to specific conditions or user interactions. You can define custom events in Bolt and use them to communicate between different parts of your game.

Getting Started with Bolt Visual Scripting

To start using Bolt Visual Scripting:

  1. Install Unity: Bolt is a visual scripting tool that works within the Unity game development engine. Make sure you have Unity installed on your machine.
  2. Add Bolt to Your Project: Once Unity is installed, you need to import the Bolt package into your project. You can do this by navigating to the Unity Asset Store or downloading it from the official Bolt website.
  3. Create a Graph: After installing Bolt, you can create a new graph by right-clicking in the Project window and selecting “Create > Visual Script > Graph.” Give it a name and open it for editing.
  4. Add Nodes: Start building your behavior by adding nodes to the graph.

    Right-click on an empty space in the graph editor, choose “Create Node,” and select the desired node type from the list.

  5. Connect Nodes: Connect the nodes by dragging edges between them. This defines the flow of logic in your script.
  6. Customize and Iterate: Customize the nodes’ properties and iterate on your graph until you achieve the desired behavior. You can tweak values, rearrange nodes, or add new ones as needed.

Bolt Visual Scripting provides extensive documentation and tutorials to help you get started and master its features. Make sure to explore these resources to unleash the full potential of Bolt in your game development workflow!

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