The Reflection Proxy Volume is the reprojection volume that objects use when they apply a reflection from a Reflection Probe or a Planar Probe. For more information about reprojection and the theory behind reflection, see the documentation on Reflection and Refraction.
You can assign a Reflection Proxy Volume to each Probe in your Scene, as long as they have compatible Shapes, and even reuse the same Reflection Proxy Volume with multiple Reflection Probes. For a Reflection Proxy Volume and a Probe to be compatible, they must either both use the same Shape, or one use Infinite. For example:
- Box is compatible with Box.
- Sphere is compatible with Sphere.
- Infinite is compatible with both other Shapes.
| Property | Description |
|---|---|
| Shape | Defines the shape of the Proxy Volume. The possible values are: Box. The Proxy Volume is box shaped and you can change the size of each axis to set its bounds. Sphere. The Proxy Volume is sphere shaped and you can change its radius to set its bounds. Infinite. The Proxy Volume is not bounded. This Shape provides the same result not specifying a Proxy Volume for a Reflection Probe. It is useful for easily changing a Scene setup. The Shape of the Proxy Volume must match the shape of the Reflection Probe or Planar Reflection Probe using it. Except for infinite which can match any shape. |
| Box Size | Defines the scale of each axis of the box that represents the Proxy Volume. Only available with a Box Shape. |
| Radius | Defines the radius of the sphere that represents the Proxy Volume. Only available with a Sphere Shape. |
You can use the Scene view gizmo to visually modify the size of the Box and Sphere shapes. Click and drag the handles to move the boundaries of the Proxy Volume.
