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pex-math

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Array-based vector, quaternion and matrix math with utils for PEX.

github.com/pex-gl/pex-math

pex-gl/pex-math

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# Changelog All notable changes to this project will be documented in this file. See [commit-and-tag-version](https://github.com/absolute-version/commit-and-tag-version) for commit guidelines. ## [4.1.2](https://github.com/pex-gl/pex-math/compare/v4.1.1...v4.1.2) (2025-07-11) ## [4.1.1](https://github.com/pex-gl/pex-math/compare/v4.1.0...v4.1.1) (2024-07-09) # [4.1.0](https://github.com/pex-gl/pex-math/compare/v4.0.0...v4.1.0) (2024-02-13) ### Features * deprecate map in favor of remap ([e9aa6c5](https://github.com/pex-gl/pex-math/commit/e9aa6c5f278960120eebe33a1050d38355f9e290)), closes [#35](https://github.com/pex-gl/pex-math/issues/35) # [4.0.0](https://github.com/pex-gl/pex-math/compare/v4.0.0-alpha.5...v4.0.0) (2024-02-05) ### Features * add mat4.quat fromDirection ([f12548a](https://github.com/pex-gl/pex-math/commit/f12548a2ec1f7e96dc9bd5c95ed4abdcbb7eb198)) * add quat/mat4. fromPointToPoint ([c9c8903](https://github.com/pex-gl/pex-math/commit/c9c8903cab9a6652b178918f842cab573f15d655)) * remove quat/mat4.targetTo and quat.fromTo ([041313b](https://github.com/pex-gl/pex-math/commit/041313bc04a5be56fe1e9ab77060334bbba8aa28)), closes [#30](https://github.com/pex-gl/pex-math/issues/30) [#31](https://github.com/pex-gl/pex-math/issues/31) # [4.0.0-alpha.5](https://github.com/pex-gl/pex-math/compare/v4.0.0-alpha.4...v4.0.0-alpha.5) (2023-08-01) ### Features * add avec2 ([cf3298f](https://github.com/pex-gl/pex-math/commit/cf3298f52816ca6e6f35fa2a7cc7756591be01ab)) * add forEach/map to avec ([13099cd](https://github.com/pex-gl/pex-math/commit/13099cd2edbc5da8ffd171540324a196e288b288)) # [4.0.0-alpha.4](https://github.com/pex-gl/pex-math/compare/v4.0.0-alpha.3...v4.0.0-alpha.4) (2023-05-31) ### Bug Fixes * remove array returns in avec ([25fe7ba](https://github.com/pex-gl/pex-math/commit/25fe7babacb92128140489d8857f7fd69e36eba6)) ### Features * add avec multMat4 and avec3.multQuat ([1a9ea22](https://github.com/pex-gl/pex-math/commit/1a9ea224c3cb9208e904784b3a83379ecd7614ce)) * add utils.prevPowerOfTwo ([68456d7](https://github.com/pex-gl/pex-math/commit/68456d78ba24230b3f1fe4e1b840aae7b0508dbc)) # [4.0.0-alpha.3](https://github.com/pex-gl/pex-math/compare/v4.0.0-alpha.2...v4.0.0-alpha.3) (2022-10-15) ### Features * add mat4.targetTo and quat.targetTo ([2458c43](https://github.com/pex-gl/pex-math/commit/2458c4357cb7f9cb727b115015607c7f7ec27fdc)), closes [#14](https://github.com/pex-gl/pex-math/issues/14) # [4.0.0-alpha.2](https://github.com/pex-gl/pex-math/compare/v4.0.0-alpha.1...v4.0.0-alpha.2) (2022-07-07) ### Bug Fixes * export avec3/4 ([72673ed](https://github.com/pex-gl/pex-math/commit/72673edd6548775402e6f281834c1146e00bc74e)) # [4.0.0-alpha.1](https://github.com/pex-gl/pex-math/compare/v4.0.0-alpha.0...v4.0.0-alpha.1) (2022-06-30) # [4.0.0-alpha.0](https://github.com/pex-gl/pex-math/compare/v2.1.1...v4.0.0-alpha.0) (2022-06-30) ### Bug Fixes * add back quat.normalize ([c84e6b1](https://github.com/pex-gl/pex-math/commit/c84e6b1a045bc30b3eae159bfb6ed737833483df)) * add missing index args in avec3/4 ([68b90bd](https://github.com/pex-gl/pex-math/commit/68b90bd0e80aeae7b695877884dca57ea3bbb91d)) * export quat.fromTo directly ([89c4abe](https://github.com/pex-gl/pex-math/commit/89c4abe363baaafc6ef11c56e6d14d6c72184f7f)) * remove duplicated mat4.lookAt ([bfa2f2b](https://github.com/pex-gl/pex-math/commit/bfa2f2beb18afd74be01c994fe2f2c7fdf7f803c)), closes [/github.com/pex-gl/pex-math/commit/595c1bc42fa098020107d0cff35b212a2f0f4f63#diff-a8b1188fe06c86a97756bb7b791f94cb2ae630b03f1b5ff86fc963e7d8e55071](https://github.com//github.com/pex-gl/pex-math/commit/595c1bc42fa098020107d0cff35b212a2f0f4f63/issues/diff-a8b1188fe06c86a97756bb7b791f94cb2ae630b03f1b5ff86fc963e7d8e55071) * remove useless decimals ([54dfd59](https://github.com/pex-gl/pex-math/commit/54dfd59a8344b806b5c1b67810ad63a69f7c9ed7)) ### Code Refactoring * use ES modules ([49fc854](https://github.com/pex-gl/pex-math/commit/49fc854812605209b2d9773596ccb486495fb8ca)), closes [#9](https://github.com/pex-gl/pex-math/issues/9) ### Features * add avec3 and avec4 ([14b167c](https://github.com/pex-gl/pex-math/commit/14b167c893078162c6c8da92477983be6a824495)) * add mat3.transpose ([0a3ba3b](https://github.com/pex-gl/pex-math/commit/0a3ba3b41f6145a12a73dd06099904524dcd3e6b)) * add missing vec4 methods ([f5f5634](https://github.com/pex-gl/pex-math/commit/f5f5634f4e7e133b14c062ef462219581e1e5037)) * remove extra avec4 methods ([e3fc917](https://github.com/pex-gl/pex-math/commit/e3fc917f1b850f222f6e39c2499ac5d105142572)) * remove extra vec4 methods ([86b7b03](https://github.com/pex-gl/pex-math/commit/86b7b036aa515d8239ea6cd3a17f9c7d30f29c3c)) * remove mat4 private functions ([1aaa8dc](https://github.com/pex-gl/pex-math/commit/1aaa8dc9cdd516907031dc70eba7b6213ac39f49)) * uniformise EPSILON ([1c878a3](https://github.com/pex-gl/pex-math/commit/1c878a329fafee9f7b989e44c20e64f0028f3761)) * uniformise matX common methods ([aac7090](https://github.com/pex-gl/pex-math/commit/aac70905c9a754ca860627ea0b41e6fdbf4ffbda)) ### Performance Improvements * add caching to mat4.invert + negate determinant check instead of === 0 ([71abd1e](https://github.com/pex-gl/pex-math/commit/71abd1e712db13cb677283b31b6af2573c1d89b4)) * divide by 2 ([7b4df3d](https://github.com/pex-gl/pex-math/commit/7b4df3d94e847ab53a92867929baf8a487109c7b)) * improve all copy ([25e9761](https://github.com/pex-gl/pex-math/commit/25e9761b4d30b7fad0c17791b51fd2a0f63a8166)) * improve mat4.rotate ([ec699c7](https://github.com/pex-gl/pex-math/commit/ec699c79b69186698bddf29d489ff86acbde6473)) * improve mat4.scale ([b10e687](https://github.com/pex-gl/pex-math/commit/b10e687b52c1ef6f2ae82455c357072f642e52a4)) * improve mat4.translate ([7f9f37f](https://github.com/pex-gl/pex-math/commit/7f9f37f075b76c77bdf4e4d83bd8094d4333bfe7)) * inline mat4.fromTranslationRotationScale ([08ea95b](https://github.com/pex-gl/pex-math/commit/08ea95b9db4d791eb8a6277b5b5fcbfce9fd9c22)) * remove assert ([5f19ae5](https://github.com/pex-gl/pex-math/commit/5f19ae5bd26680ce6d16efc06c040f808a076f28)) * remove early let declarations and use mat4.identity for equal eye/target edge case in _lookAt9 ([5b114bd](https://github.com/pex-gl/pex-math/commit/5b114bd8a347cb030eae2cfeee675840404e287a)) * reuse variable in mat4.mult ([1badef0](https://github.com/pex-gl/pex-math/commit/1badef079016c64dd1a34827536ccbfb496ddfd3)) * update benchmark ([87e33bb](https://github.com/pex-gl/pex-math/commit/87e33bb03cdf0991f5f4e7f5c422a7634fec3c21)) ### BREAKING CHANGES * switch to type module