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What's New

v3.0 (In Development)

Date: TBD, target end of June 2019

Performance

A benchmarking example has been added that makes it easy to assess the performance. The performance of the library has been significantly improved tuned based on these benchmarks.

@math.gl/geospatial

A new module (developed in collaboration with the Cesium team) providing framework-independent geospatial math classes and algorithms:

  • New class Ellipsoid and constant Ellipsoid.WGS84 for working with WSG84 coordinates

math.gl - Core module additions

Transform API Improvements

The API for transformations (i.e. multiplying vectors with matrices or quaternions) has been extended and made more orthogonal:

  • The transform* methods are now available on all Vector classes, in addition to on the Matrix classes. Among other things, this enables transformations without using Matrix classes.
  • Naming consistency of transform methods across classes (transform, transformAsPoint, transformAsVector).
  • Alternative transform methods added to the Vector classes (transformByMatrix3, transformByMatrix2, transformByMatrix2x3 and transformByQuaternion). Simplifies using the most efficient transformation for the job.

Matrix classes

  • New methods Matrix*.setColumn() and Matrix*.getColumn()
  • New method Matrix*.toString()
  • Improved method: Matrix4.frustum() now supports infinite far plane (parity with Matrix4.perspective, which already supported this).

Utility Functions

  • New: global functions toRadians and toDegrees
  • New: global function exactEqual

v2.3

Date: Jan 29, 2019

  • New class: Matrix3
  • New: Add scale factor support to Matrix3 and Matrix4
  • Support quaternion to euler conversion
  • Now uses the official gl-matrix@3.0.0 package as dependency instead of forked gl-matrix packages.

v2.2

Date: Sep 20, 2018

  • Use @babel/runtime to reduce bundle size
  • equals function fix on arrays

v2.0

Date: June 25, 2018

New Naming Convention for Experimental Exports

Experimental exports are now exported with a leading underscore (_), instead of as members of the experimental namespace.

The change was made to make it possible for tree-shaking bundlers to remove unused experimental exports from applications.

v1.2

Date: May 4, 2018

  • New lerp utility
  • Experimental Pose class

v1.1

Date: April 16, 2018

Matrix4 Improvements

Matrix4.orthographic() - To simplify switching between perspective and orthographic views, math.gl now offers an additional method for creating orthographic projection matrix, that takes the same parameters as Matrix4.perspective(), with the addition of one additional parameter, focalDistance. See Matrix4.orthographic({fovy, aspect, focalDistance, near, far})

Bundle Size Reduction

math.gl has been tuned to have approximately 20% smaller footprint when bundled in applications.

THREE.js Compatibility

math.gl classes now pass large parts of the THREE.js test suite, which should make it easier to reuse code written for the THREE.js math library.

v1.0

Date: Jan 9, 2018

Initial release.