How Do Games fake Water

📰 Medium · Programming

Learn how games fake water using procedural rendering techniques in OpenGL, creating a fast and visually believable water surface

intermediate Published 12 Apr 2026
Action Steps
  1. Create a simple grid mesh to represent the water surface using OpenGL
  2. Apply mathematical wave functions to displace the mesh vertices and create a wave-like effect
  3. Use shader-based vertex displacement to animate the water surface
  4. Implement lighting tricks to enhance the visual realism of the water surface
  5. Experiment with the GitHub repository code to see the procedural water rendering in action
Who Needs to Know This

Game developers and graphics programmers can benefit from this article to create realistic water effects in their games without compromising performance

Key Insight

💡 Procedural rendering techniques can be used to create a fast and visually believable water surface in games without simulating a full fluid system

Share This
💡 Games don't simulate water as a full fluid system. Instead, they fake it using procedural rendering techniques in OpenGL! #gamedev #opengl
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