- CryENGINE 3 Cookbook
- CryENGINE 3 Cookbook
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- About the Authors
- www.PacktPub.com
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- Preface
- 1. CryENGINE 3: Getting Started
- 2. Sandbox Basics
- Introduction
- Creating a new level
- Generating a procedural terrain
- Terrain sculpting
- Setting up the terrain texture
- Placing the objects in the world
- Refining the object placement
- Utilizing the layers for multiple developer collaboration
- Switching to game mode
- Saving your level
- Exporting to an engine
- Essential game objects
- Running a map from the Launcher
- 3. Basic Level Layout
- 4. Environment Creation
- Introduction
- Creating your first time of day using the basic parameters
- Adjusting the terrain lighting
- Using the real-time Global Illumination
- Editing HDR lighting and the effects for flares
- Creating a global volumetric fog
- Creating a night scene with time of day parameters
- Color grading your level
- Creating a photo realistic ocean
- Improving your sky with clouds
- Making it rain in your level
- 5. Basic Artificial Intelligence
- 6. Asset Creation
- Introduction
- Installing the CryENGINE 3 plugin for 3D Studio Max
- Creating textures using CryTIF
- Setting up units to match CryENGINE in 3ds
- Basic material setup in 3ds
- Creating and exporting static objects
- Creating and exporting destroyable objects
- Using advanced material editor parameters to create animation
- Creating new material effects
- Creating image-based lighting
- 7. Characters and Animation
- 8. Creating Vehicles
- 9. Game Logic
- Introduction
- How to beam the player to a tag point from a trigger
- Making the AI go to a location when the player enters a proximity trigger
- Debugging the Flow Graph
- Creating a kill counter
- Rewarding the player for reaching a kill goal
- Displaying the player's health through a Flow Graph
- Changing the player camera through key input
- Creating a countdown timer
- 10. Track View and Cut-Scenes
- 11. Fun Physics
- 12. Profiling and Improving Performance
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In this recipe, we will demonstrate how you may be able to prohibit an AI from crossing an invisible boundary by basic movement. Much like a child's play pen or a dog's yard, you will be building a fence in an area for your AI.
- Before we begin, you must have Sandbox 3 open
- Then open
My_Level.cry - Place three AI Grunts roughly five meters apart in any fashion
- In the RollupBar, click on the AI button.
- From the Object Type, select ForbiddenBoundary.
- With the Follow Terrain enabled, click four points roughly in a square around the placed Grunts.
- Generate the AI navigation.
The forbidden boundary is much like a fence for the cattle on a farm. The forbidden boundary deters the AI entities from crossing it with their basic movement behaviours, but they may still be able to cross it if they use attacks or other special animations that change their location at the end of the animation (for example, jumping a fence using Smart Objects). Once crossed, they will not attempt to try and return to the other side.
Remember to regenerate the AI after creating or changing a forbidden boundary.
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