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Dynamic Real Water is a realistic, easy-to-use, GPU-accelerated FFT water simulation with physically accurate asynchronous CPU buoyancy physics.

 

• Video
  

• Discord
  

• Documentation and Roadmap

 

 

OVERVIEW

 

Dynamic Real Water is a GPU-accelerated FFT water simulation plugin for Unreal Engine 5. It features compute shader-based FFT wave generation, multi-LOD grid streaming, a modular physics body system, asynchronous buoyancy physics via GPU readback, analytical foam, semi-analytical caustics, depth map generation, and dynamic underwater effects.

 

It’s suitable for a wide range of applications, including games, cinematics, interactive experiences, and simulations where visual fidelity, wave dynamics, and responsive buoyancy are important. Designed for flexibility and scalability, DRW fits both small-scale scenes and large open environments.

 

FEATURES

 

• GPU-accelerated FFT waves
• %100 Replicated
• Client side networked movement smoothing
• Simple, drag-and-drop system
• Real-time specular lighting, analytical foam, and caustics generation
• Predictive force smoothing
• Physically based AAA quality water
• Replicated water masking for underwater caves
• Asynchronous waterline capture
• Asynchronous GPU read-back
• Custom physics body system with additive/subtractive collision shapes
• Skeletal mesh support
• Physically accurate buoyancy force calculations
• Automatic center of mass computation from collision shapes
• Smooth landscape depth-map generation
• Dynamically responsive underwater system
• Massive 256 × 256-tile coverage approximately (256 square km) or (100 square miles)
• Dynamically customizable advanced grid management
• High quality optimization (Costs 2.7 ms on 3060ti in the editor)
• Extremely modular, easy to read, clean code
• Low disk space
• Asynchronous task subsystem
• Sequencer support
• Self sufficient system
• A roadmap that will be continuously developed

 

 

CURRENT LIMITATIONS (for now)

 

• Only one water body is supported per level.
• There is no integration with the Water Plugin
• The mobile platforms are not supported
• All platforms besides Windows are not tested for compatibility.
• Water quality settings are not yet available. FFT resolution is currently fixed at 256×256.