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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

[0.0.7] = 2022-10-15

Added

  • DenoiseMaterial based on "glslSmartDenoise" to smooth the final render.
  • Support for vertex colors.
  • Support for attenuated transmission.
  • PathTracingRenderer.alpha: Docs specifying premuliplied alpha behavior.
  • Support for thin film transmission.

Fixed

  • Diffuse materials looking too dark.
  • Specular sampling to use perceptual roughness.
  • Default specular and ior values to match three.js.

Changed

  • Opacity support now requires setting material.transparent to true.

[0.0.6] - 2022-08-06

Added

  • Support for sheen parameter support
  • Support for iridescence parameter support
  • Support for lights to the DynamicPathTracingGenerator
  • Support for circular area lights
  • Support for spot lights
  • Add support for specular color and intensity control
  • Support for IES Profiles on the new "PhysicalSpotLight" class
  • IESLoader for loading IES profiles as textures

Changed

  • PhysicalPathTracingMaterial: Default "environment intensity" from 2.0 to 1.0.

Fixed

  • White hotspots at some glancing angles.

[0.0.5] - 2022-07-16

Added

  • Support for equirect rendering with EquirectCamera.
  • Support for area lights.
  • Support for threejs compatible texture transforms.
  • Support for Clearcoat properties.
  • Support for arrays of objects passed to pathtracer scene generator.

Fixed

  • Black renders on M1 Safari devices.
  • Camera ray direction recision issues when scrolling far from the origin.

[0.0.4] - 2022-06-12

Fixed

  • Textures not working correctly on Pixel 6 due to an issue with floatBitsToInt.
  • PathTracingRenderer.alpha not being able to be changed after rendering.
  • Improved reflective behavior for perfectly smooth surfaces.
  • Case where partially transparent objects would cast full shadows.

Added

  • Support for material alpha map.
  • Ability to disable casting of shadows.
  • Support for rendering with Orthographic cameras.
  • Support for texture transform properties per texture.

[0.0.3] - 2022-05-22

Fixed

  • Some black artifacts when rendering with depth of field.
  • DynamicPathTracingSceneGenerator.reset not correctly resetting the class resulting in errors when calling "generate" again.

Changed

  • Materials to use a texture instead of uniforms to cut down on max uniform errors.
  • SUPPORT_DOF no longer needs to be explicitly set and will be toggled automatically based on the bokeh size parameter.
  • Removed direct support for environment blur with addition of MIS. Instead use BlurredEnvMapGenerator to preblur an environment map.
  • Antialiasing jitter is now performed per ray in the shader instead of via camera position jitter for improved AA.
  • GRADIENT_BG define option to FEATURE_GRADIENT_BG

Added

  • Support for "matte" material flag.
  • Support for Multiple Importance Sampling for the envionment map and an associated "FEATURE_MIS" flag.
  • BlurredEnvMapGenerator to blur environment maps.
  • Support for rendering transparent backgrounds.

Removed

  • Support for gradient environment colors. Use a DataTexture, instead.

[0.0.2] - 2022-04-26

Added

  • Support for material sidedness which must be set explicitly on the material uniforms. See MaterialStructUniform.side for more information.
  • DynamicPathTracingSceneGenerator to support skinned and morph target meshes.
  • A PhysicalCamera instance and associated shader uniforms and updates to support camera depth of field and shaped bokeh.
  • PathTracingSceneWorker as separate from the synchronous PathTracingSceneGenerator to support more build processes.
  • Support for morph target, skinned meshes to scene generators.

Changed

  • PhysicalPathTracingMaterial to have a "bounces" uniform rather than define.
  • PathTracingSceneGenerator is now synchronous.

Fixed

  • Case where material arrays did not work correctly.

[0.0.1] - 2022-04-08

Initial release with support for path tracing physically based materials with properties including metalness, transmission, roughness, opacity, alpha cutout, and more!