Unity 5.6.2p1中Cardboard VR SDK v2右眼灯光失效问题咨询

Hey there, sorry to hear you're stuck with this right-eye lighting glitch—let's break down actionable fixes that have resolved similar issues for other developers:

• Verify Camera Rig Configuration
  First, double-check your Cardboard Camera Rig setup:

  • Open the CardboardMain prefab, select the Right Eye camera under Head/Eyes
  • Ensure its Target Eye property is set to Right (not Left or None)
  • Confirm both Left and Right eye cameras have matching Culling Mask settings—if the right eye is excluding a layer that your lights or objects are on, lighting won't render.
  • In Edit > Project Settings > Player, make sure Virtual Reality Supported is checked, and Cardboard is added to the list of VR SDKs.

• Check Light Layer & Culling Mask
  Lights won't affect objects if their layers don't align:

  • Select your problematic light, expand its Culling Mask and ensure it includes all layers that the right eye camera is rendering.
  • Conversely, confirm the right eye camera's Culling Mask doesn't exclude the layer your light is assigned to (though lights usually use the Default layer, it's worth checking if you've customized layers).

• Adjust Render Path Settings
  Unity 5.x's render paths can cause VR inconsistencies:

  • For both Left and Right eye cameras, set Render Path to Use Player Settings or explicitly to Forward (Deferred rendering can have compatibility issues with older Cardboard SDKs).
  • Disable Dynamic Batching temporarily in Edit > Project Settings > Graphics—sometimes this optimization breaks VR eye-specific rendering.

• Reset the Cardboard Camera Rig
  Custom tweaks to the rig can introduce hidden bugs:

  • Delete your current CardboardMain from the scene
  • Drag a fresh CardboardMain prefab directly from the Cardboard SDK's Prefabs folder into your scene
  • Reassign any custom settings (like camera position, field of view) to the new rig—this often clears up misconfigured parameters.

• Test with Built-in Shaders
  Custom shaders might not handle VR dual-eye rendering correctly:

  • Temporarily replace materials on your scene objects with Unity's built-in Standard Shader
  • If the right-eye lighting works with the standard shader, your custom shader needs updates to support VR perspective calculations. Look for missing UNITY_MATRIX_VR or similar VR-specific matrix references in your shader code.

• Check Version Compatibility
  Unity 5.6.2p1 is an older patch, and Cardboard SDK v2 might have known quirks with it:

  • Confirm you're using the latest version of Cardboard SDK v2 that's compatible with Unity 5.x
  • Consider updating to the latest patch in the Unity 5.6.x line (e.g., 5.6.7p4)—back up your project first, but this can resolve underlying VR rendering bugs.

Start with the first few steps since they're quick to verify, and work your way down. Hope one of these gets your right-eye lighting working again!

内容的提问来源于stack exchange，提问作者Rania Saeed