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3.1.0 release (2018-07-30)
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@jongmoon jongmoon released this 30 Jul 09:30
· 321 commits to master since this release
3.1.0
8d3503f

Summary

PanoViewer

Feature

  • Added new Cubemap type (CUBESTRIP) with faster rendering (#218)
  • Support Equi Angular Cubemap (EAC)(#220)
  • Add Type definition for TypeScript support (#219)
  • Trigger an event on rendering failure (#190)

Refactoring

  • Replace WheelInput with WheelInput of Axes (#83)

SpinViewer

  • No change

Details

PanoViewer

1. Added new Cubemap type (CUBESTRIP) with faster rendering

Add CUBESTRIP to existing ProjectionType

New Type Added

// PanoViewer.ProjectionType
ProjectionType {
  EQUIRECTANGULAR: "equirectangular",
  CUBEMAP: "cubemap",
  CUBESTRIP: "cubestrip" // 3.1 new feature
}

How it works differently

Draw texture images directly into the Shader without going through the Canvas

Performance improvement

2. Support Equi Angular Cubemap (EAC)

Currently supported only in CUBESTRIP

Increase pixel uniformity by distributing the concentration of pixels concentrated in a specific area

In the figure below, the closer the pixel value is to blue, the higher the pixel density is.
And the closer to red, the lower the density of pixels.

> Equirectangular Projection (left), Standard Cubemap (middle), Equi-Angular Cubemap (right)

Reference: https://blog.google/products/google-ar-vr/bringing-pixels-front-and-center-vr-video/

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