# Introduction to VFX ## What are visual effects? Visual effects (also known as VFX) is an integral component of storytelling and gameplay immersion. They serve to convey mood, evoke emotions, and communicate vital information to players. A well-executed visual effect can enhance gameplay feedback, guide player actions, and amplify the overall aesthetic appeal of a game. A visual effect can be composed of multiple components including particle systems, custom shaders, materials, animation and post processing. ## VFX in Hology Engine Given how integral VFX is to good gameplay, there is dedicated tooling to efficiently create effects that can be placed in scenes or spawned dynamically through game play code. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.hology.app/visual-effects/introduction-to-vfx.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.