Game development optimization is covered here, with options like AP GameTools for Blender providing loads of unique features. Many of these tools have add-ons available to enhance their features. Add-Ons: 3D modeling tools come with loads of features, but they can’t have everything built-in.This is called Remesh in Blender, Retopologize in Maya, and Retopology tools in 3DS Max. This can be done automatically in most 3D modeling tools, providing you with a mesh that has as few faces as possible. Retopology: Retopology is the process of creating a new simplified mesh for an object.You can use these methods in conjunction with one another to make your 3D models perfect for video game development. Manual optimization works for simple 3D models, but you may need to use some automated tools to help with this process. Merging 3D objects in Blender and other game development software is easy, and it's a great way to reduce your resource costs. Object Merging: Loading one object is always better than loading two or three. If it has two triangular faces, dissolve them both to replace them with a single face. A square, for example, only needs to have one face. Remove Duplicate/Redundant Faces: Duplicate faces should always be deleted, but you should also look for faces that aren’t necessary.This is the manual version of occlusion mapping. The backs of buildings, the underside of a vehicle, and pieces of geometry that are below ground can usually be removed. Remove Hidden Faces: Faces that the player will never see don’t need to be loaded into your game.There are a couple of things to look out for when you are removing polygons from your 3D geometry: Dissolve removes the face, vertex, or line you have selected, followed by filling in the gaps with new faces to keep the object solid. Deleting a vertex or line will remove the faces that connect to them. You have two main options for removing faces, lines, and vertices in 3D modeling software deleting and dissolving.ĭeleting a face removes it entirely, leaving an open space in your 3D object. Optimizing simple geometry by hand is a good way to get used to designing models for video games. This is an easy way to save resource usage in large scenes. Outside of the player’s field of view, objects will not appear until they are looked at. This reduces resource usage by only rendering the 3D objects that the player can see in the scene. Use Occlusion CullingĮngines like Unity and Unreal Engine feature an optimization tool called occlusion culling. This prepares the lighting in the scene in advance so that the player doesn’t have to wait for it. Calculating reflections on the fly is very costly, but you can bake the lighting in your scene to solve this problem. Lighting is by far one of the most resource-hungry operations found in modern 3D games. You can also find free 3D models on the Unity Asset Store that are already optimized, and this applies to other engines, too. Most game engines have an asset store with both free and paid shaders available to make this easier. By using compressed textures, you can free up a lot of resources.Īlongside using compressed textures, it’s also worth making sure that the shaders you use are well-optimized. Textures come in the form of image files, and each of these files needs to be loaded when it is used in a scene. (The Logic Editor panel can also be displayed by selecting Logic Editor in the Display Editor menu,īy pressing Shift-F2, or by pressing Ctrl-Right).Textures act like skin on the outside of a 3D object, adding patterns and other visual features to make the object look more real. To control the behavior of the objects in the game. The logic, properties and states are set up Auto Start Automatically start game at load time. Record animation Record animation to F-Curves. Deprecation warnings Print warnings when using deprecated features in the Python API. Show Physics visualization Show a visualization of physics bounds and interactions. Show frame rate and profile Show frame rate and profiling information while game runs. Show Debug Properties Show properties marked for debugging while game runs. Start Game Run game in Game Engine ( P or Shift-P when the mouse cursor is over the 3D View editor). Note that this menu is only available when the render engine is set to Blender Game. This menu gives various options for conditions for running the Game Engine.
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