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OpenGL/WebGL Feature for Motion Graphics Web App in React Native (Expo) -

Primary Skill Needed: OpenGL/WebGL API

Advanced Skills Needed: Javascript, React

Intermediate Skills Needed: React Native, Git, Gitlab, expo-cli

Our bootstrapped startup is building a React-Native (Managed Expo) app in the lightweight motion graphics space. We need an OpenGL/WebGL expert to build out some core functionality while me and my teammates write the API, create the app front end, and write a business plan.

Someone who can balance the right speed with the right amount of extensibility and readability is who we’re looking for. You will create the foundation we build the rest of the app on.


The MVP of this component mimics stop motion animation. A user selected video goes in. User can then navigate through the video using a “frame based” timeline, drawing overtop of the video to create the appearance of composite animation. When finished, user will render the composite video and animation and upload to social media of their choice, save locally, or save to GDrive.


Utilizing the context provider in Expo, and OpenGL/WebGL, you will build out the below functionality, per the visual specs provided on our website. This component can:

- Load a video from internal storage, or handle a video otherwise passed into the


-Has a master clock that is synced between video playback and vector input provided in webGL context.

UI and functionality to draw lines:

-Select color from onscreen palette

-Choose thickness of line

-History functionality: undo and redo delineated by individual strokes (press events)

-Eraser functionality using eraser tool

-Functionality to copy all lines drawn from previous “frame”

-Functionality to reposition lines using pointer tool

-Timeline UI - ability to go back and forth, aligned with master clock via the frame boxes included in our mock ups. Each frame should 1/10 of a second. Variable frame lengths would be a big bonus (1 second frames and 1/30th of a second frames selected via a dropdown).

-Ability to play back what you have from selected “frame” while creating your animation.

-JSON Save file - ability to save all animations into a reloadable JSON file.

-Ability to render out composite of video and animation (preferable)

-Ability to render animation to mp4 or similar video format (minimum)

I am big on trust and relationships, so if it works out, you will be our go to person for additional updates and functionality.

Thank you!

Visual references:

[login to view URL]

Compétences : Programmation C++, Javascript, OpenGL, React Native

en voir plus : motion graphics iphone app, motion graphics iphone app effects, wrap existing web app android native app, react native webgl, react native glview, expo three js, gl-react-expo, expo react native login with google, expo glview example, expo-three, expo three example, web app vs native app, motion graphics web pages, difference between web app and native app, web app to native app, mobile web app vs native app, crear una app react native, progressive web app react, react native expo in app purchase, web vs react native

Concernant l'employeur :
( 0 commentaires ) Los Angeles, United States

Nº du projet : #20160777

Décerné à:


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15 freelance font une offre moyenne de $642 pour ce travail


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