phetsims/build-a-molecule

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"Build a Molecule" is an educational simulation in HTML5, by PhET Interactive Simulations.

Stars: 8
Forks: 8
Open beginner issues: 0
Indexed issues: 30

Dominant language: TypeScript
License: GPL-3.0
Last GitHub push: Mar 31, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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30 open issues indexed

MAX_NUM_HEAVY_ATOMS in MoleculeSDFCombinedParser Open

type:open-source-ecosystem type:question

phetsims/build-a-molecule#257 · 2 comments · 1 assignee · Opened Sep 14, 2025
Molecule names now written in camel case Open

type:bug

phetsims/build-a-molecule#256 · 1 assignee · Opened Aug 11, 2025
Can't drag new atom by starting on bucket Open

type:bug

phetsims/build-a-molecule#254 · 1 assignee · Opened Aug 8, 2025
Miscellaneous TODOs from review and TypeScript conversion Open

phetsims/build-a-molecule#253 · 1 assignee · Opened Aug 7, 2025
There is a bunch of unused code that looks important but also looks unused Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

phetsims/build-a-molecule#252 · Opened Aug 7, 2025
Unused createPseudo3DNode Open

phetsims/build-a-molecule#251 · 1 assignee · Opened Aug 7, 2025
Unused kitMap Open

phetsims/build-a-molecule#250 · 1 assignee · Opened Aug 7, 2025
we need to listen for this because the update needs to use canvas' global/local/view coordinate transformations Open

phetsims/build-a-molecule#249 · 1 assignee · Opened Aug 7, 2025
Avoid deprecated ButtonListener Open

dev:typescript

phetsims/build-a-molecule#248 · 1 assignee · Opened Aug 7, 2025
Bond, MoleculeStructure and others should be parameterized like Bond<T extends Atom> Open

dev:typescript

phetsims/build-a-molecule#246 · 1 assignee · Opened Aug 7, 2025
Support Dynamic Locale Open

status:blocks-sim-publication

phetsims/build-a-molecule#244 · 1 assignee · Opened Apr 22, 2025
Compound strings are not available for translations Open

phetsims/build-a-molecule#243 · 1 comment · 1 assignee · Opened Jan 23, 2025
Create sim primer Open

design:teaching-resources priority:5-deferred

Difficulty 5/5 Over a week Newbie friendliness 15/100

phetsims/build-a-molecule#241 · Opened Jul 19, 2023
CT attempt made to remove particle that is not in bucket Open

type:automated-testing

phetsims/build-a-molecule#239 · 1 assignee · Opened May 22, 2023
Names seem to have regressed from the last published version Open

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

phetsims/build-a-molecule#237 · Opened Feb 7, 2023
CT error: Uncaught TypeError: Cannot read properties of undefined (reading 'addParticleNearestOpen') Open

type:automated-testing

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

phetsims/build-a-molecule#236 · 1 comment · Opened Feb 4, 2023
Use UndoIcon in this sim. Open

design:general

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

phetsims/build-a-molecule#234 · 1 comment · Opened Oct 26, 2022
CT Need to call node.removeChild() with a Node. Open

type:automated-testing

phetsims/build-a-molecule#231 · 1 assignee · Opened Jun 2, 2022
CT cannot add an already existing atom Open

type:automated-testing

phetsims/build-a-molecule#230 · 1 assignee · Opened Feb 28, 2022
Build a Molecule - Publish 1.1 with improved molecule database Open

type:epic

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

phetsims/build-a-molecule#229 · Opened Dec 13, 2021
CT cannot read properties of undefined reading dragListener Open

type:automated-testing

phetsims/build-a-molecule#225 · 1 comment · 1 assignee · Opened Sep 20, 2021
BaM is taking a very long time to load on ChromeOS and Android Open

type:performance

phetsims/build-a-molecule#224 · 7 comments · 2 assignees · Opened Mar 2, 2021
CT cannot read property atoms of null Open

type:automated-testing

phetsims/build-a-molecule#222 · 2 comments · 1 assignee · Opened Feb 8, 2021
New data base checks Open

phetsims/build-a-molecule#219 · 6 comments · 2 assignees · Opened Dec 11, 2020
Zoom magnification support Open

priority:5-deferred

Difficulty 3/5 1-2 days Newbie friendliness 45/100

phetsims/build-a-molecule#208 · 2 comments · Opened Aug 27, 2020
Resonance bond rendering differs from Java/PubChem Open

priority:5-deferred

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

phetsims/build-a-molecule#207 · 6 comments · Opened Aug 26, 2020
Molecules added to the play area by using RMB on the buckets occupy same space until interacted with Open

priority:5-deferred type:bug

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

phetsims/build-a-molecule#201 · 2 comments · Opened Jun 29, 2020
Import new data set from PubChem Open

phetsims/build-a-molecule#158 · 2 comments · 1 assignee · Opened Feb 7, 2020
How to mange molecule data set? Open

priority:5-deferred type:performance

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

phetsims/build-a-molecule#109 · 4 comments · Opened Nov 21, 2019
Sounds for intractable elements Open

design:sound priority:5-deferred

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

phetsims/build-a-molecule#108 · 1 comment · Opened Nov 20, 2019

phetsims/build-a-molecule

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