VRChat Compiler

Target: --target vrchat | Output: UdonSharp C# | Platform: VRChat SDK3

VRChat Compiler

Compiles HoloScript to VRChat SDK3 worlds with UdonSharp scripts.

Features

• UdonSharp C# scripts for interactions
• Unity scene structure compatible with VRChat SDK3
• VRC_Pickup, VRC_Trigger, VRC_ObjectSync components
• Avatar pedestals, mirrors, portals
• Spatial audio with VRC_SpatialAudioSource

Usage

holoscript compile my-world.holo --target vrchat --output ./vrchat-output/

Output Files

• WorldSetup.cs - Main world setup script
• *_Udon.cs - Individual Udon scripts for interactive objects
• PrefabHierarchy.txt - Unity prefab structure
• WorldDescriptor.json - VRChat world configuration

Example

composition "VRChat Demo" {
  environment {
    skybox: "sunset"
    ambient_light: 0.4
  }

  object "PickupCube" {
    @grabbable
    @networked
    geometry: "cube"
    position: [0, 1, 0]
    color: "#ff6600"
  }

  object "WorldPortal" {
    @portal
    geometry: "torus"
    position: [5, 1.5, 0]
    destination: "wrld_12345678"
  }
}

See Also

• Platform Overview
• VRChat Unity Workflow
• VRChat Optimization