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Avoyd 0.8.8 - Transparency

juliette#enki - posted Sat, 11 Dec 2021, 12:37:52 UTC - edited Mon, 13 Dec 2021 12:46:31 UTC - permalink

The main focus of this release is transparent material support in the CPU path tracing renderer, along with example materials and support for transparencies in the Minecraft and MagicaVoxel import pipeline.

  • Transparency in CPU path traced rendering: physically based material parameters with example materials for glass, water, ice, clouds, smoke and fire
  • Full voxels shape option for producing block style spheres, cylinders and other shapes
  • Import image heightmaps as thin 3D surfaces
  • Material editing: copy/paste material, add/clone material type
  • Palette editing: add/clone/rename palette
  • Light and Atmosphere new neutral default preset (grey light)
  • Move anchor, move camera and centre arcball camera 'here' now works on constrain planes
  • Vox imported materials match MagicaVoxel Palette layout (turn on option invert material grid display)
  • Improved CPU path tracing accuracy

For details and further changes, see the Avoyd 0.8.8 changelog

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Avoyd CPU path traced rendering of transparent materials: water in a Minecraft map imported and rendered in Avoyd CPU path traced rendering of transparent materials: water in a Minecraft map imported and rendered in Avoyd. Credit: Drehmal: PRIMORDIAL v2.1 by Balderich.

Avoyd CPU path traced rendering of transparent materials in Avoyd: voxel camper van with glass material window and smoke exhaust CPU path traced rendering of transparent materials: glass windows and exhaust smoke. Voxel art made in Avoyd by Rebecca Michalak.

Avoyd CPU path traced rendering of transparent materials in Avoyd: full drinking glass with ice and translucent fruit slice CPU path traced rendering of transparent materials: glass, coloured liquid and ice with translucent green fruit slice. Voxel art made in Avoyd by Rebecca Michalak.

How to edit inside transparent materials

We will be adding tools to fill empty spaces with a material in a later version, but for now the steps below work well.

Say you want to make a model of fish in water.

  • First create the solid interior models - in this case the fish.
  • Using the anchor position a Copy or Cut tool around the fish and Copy/Cut the model (you can optionally Save Paste Brush as World to retain a backup of this model, or paste it at another location in your world)
  • Create the water (you can switch to another Tool Preset to retain the position of the above copy anchor)
  • Paste the fish model in the water
  • Render to see the result

Avoyd CPU path traced rendering of transparent materials in Avoyd: voxel boat with glass material windows on water with fish and seabed CPU path traced rendering of transparent materials: glass windows and water with seabed and fish models inside. Voxel art made in Avoyd by Rebecca Michalak.

Avoyd CPU path traced rendering of transparent materials: The Garden, a MagicaVoxel model by Niklas Mäckle knosvoxel imported and path traced in Avoyd Avoyd Path traced render of 'The Garden', a MagicaVoxel model by Niklas Mäckle knosvoxel, showing the support for importing MagicaVoxel transparent materials into Avoyd.
Original MagicaVoxel render: www.artstation.com/artwork/Qr61qd.
The lighting environment of the original uses a HDR environment map, which is currently not supported in Avoyd Voxel Editor. This results in lighting differences including a stronger reflection of the sky on the pond in the Avoyd render.

Avoyd CPU path traced rendering of transparent materials: smoke and fire CPU path traced rendering of smoke and fire, added to a 12k x 6k Mars topography heightmap and texture map imported and palettised in Avoyd.

Avoyd CPU path traced rendering of a combination of emissive and transparent materials CPU path traced rendering of a combination of emissive and transparent materials. Voxel art made in Avoyd by Rebecca Michalak.

Avoyd CPU path traced rendering of cloud transparent material CPU path traced rendering of cloud transparent material. Voxel art made in Avoyd by Rebecca Michalak.

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