phetsims/dot

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A math library with a focus on mutable and immutable linear algebra for 2D and 3D applications.

Stars: 14
Forks: 10
Open beginner issues: 0
Indexed issues: 19

Dominant language: TypeScript
License: MIT
Last GitHub push: Jun 16, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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19 open issues indexed

Convert repo to TypeScript Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

phetsims/dot#125 · 7 comments · Opened Mar 4, 2024
Allow chaining on Range setters Open

dev:enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

phetsims/dot#122 · Opened Sep 19, 2023
use imports.js pattern to avoid circular dependencies Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

phetsims/dot#118 · Opened Feb 22, 2023
Matrix4 Using EnumerationDeprecated Open

phetsims/dot#115 · 1 assignee · Opened Jun 24, 2022
Root multiplicity in solveCubicRootsReal Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

phetsims/dot#105 · Opened Jan 15, 2021
57 TODO comments in dot Open

beginner-friendly dev:code-review good-first-issue help-wanted priority:5-deferred

Difficulty 4/5 3-5 days Newbie friendliness 25/100

phetsims/dot#96 · 2 comments · Opened Apr 28, 2019
Impedance mismatch between RangeWithValue and NumberProperty? Open

priority:5-deferred

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/dot#79 · 7 comments · Opened Oct 4, 2018
Inline Matrix3 element functions? Open

dev:enhancement

phetsims/dot#67 · 3 comments · 1 assignee · Opened Jun 14, 2017
Add JSDoc for all methods and bring documentation up to PhET standards Open

good-first-issue help-wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

phetsims/dot#49 · 3 comments · Opened Jun 16, 2016
Rectangle Layout Open

priority:4-low

Difficulty 5/5 Over a week Newbie friendliness 20/100

phetsims/dot#44 · 1 comment · Opened Oct 22, 2015
add visibility annotations Open

dev:enhancement good-first-issue help-wanted priority:3-medium

phetsims/dot#38 · 1 assignee · Opened Aug 31, 2015
Proposal for an alternative method to rounding numbers Open

dev:enhancement

phetsims/dot#27 · 1 comment · 1 assignee · Opened May 7, 2015
Simplification for intersectsBounds method in Bounds2 Open

dev:enhancement

phetsims/dot#24 · 2 comments · 1 assignee · Opened Mar 26, 2015
Remove FastMatrix3 and improve pooling for Matrix3 Open

dev:enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

phetsims/dot#18 · 2 comments · Opened Apr 29, 2014
Add Polynomial type Open

dev:enhancement priority:4-low

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/dot#16 · Opened Apr 23, 2014
rewrite Util.toFixed and toFixedNumber Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

phetsims/dot#14 · Opened Feb 13, 2014
Try typed arrays for Vector/Bounds performance Open

dev:enhancement priority:3-medium

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/dot#11 · Opened Nov 13, 2013
Make the 3D-manipulation utilities match the 2D Open

dev:enhancement priority:4-low

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/dot#8 · Opened Sep 27, 2013
separate or rename dot.Util Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/dot#4 · 12 comments · Opened May 31, 2013

phetsims/dot

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