Instancing is a WebGL performance optimization technique that allows rendering thousands of 3D objects efficiently by batching them into a single draw call. The article demonstrates how to implement instancing in React Three Fiber using drei's Instances component, create multiple instance sets, work with custom shaders and instanceMatrix attributes, and build complex scenes like forests with minimal GPU draw calls.
Table of contents
IntroductionBasic instancingHaving multiple sets of instancesInstances with custom shadersChanging attributes per instanceCreating a forestFurther readingSort: