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unity-volume-rendering

Volume rendering by object space raymarching for Unity.

<img src="https://raw.githubusercontent.com/mattatz/unity-volume-rendering/master/Captures/Demo.gif">

VolumeRendering.shader cut a volume each axes by _SliceMin, _SliceMax properties.

Object space raymarching

<img src="https://raw.githubusercontent.com/mattatz/unity-volume-rendering/master/Captures/Geometry.png">

VolumeRendering component generates a Cube geometry which has 1.0 length edges. By object space raymarching techniques, rendering a volume with a MeshRenderer. (See references)

Slice axes rotation

<img src="https://raw.githubusercontent.com/mattatz/unity-volume-rendering/master/Captures/Axis.gif">

By setting an axis quaternion in VolumeRendering component, you can cut a volume from arbitrary angles.

VolumeAssetBuilder

Menu : Window -> VolumeAssetBuilder

<img src="https://raw.githubusercontent.com/mattatz/unity-volume-rendering/master/Captures/VolumeAssetBuilder.png">

VolumeAssetBuilder builds a 3D texture asset from a pvm raw file. (volume raw data)

Compatibility

tested on Unity 2017.2.8f1, windows10 (GTX 1060).

Sources