Matter.js is a JavaScript physics engine for 2D. You define bodies (circles, rectangles, polygons), set properties (mass, friction, restitution), and Matter.js simulates interactions: gravity pulls things down, bodies collide realistically, constraints keep things together. Use cases: games, interactive visualizations, educational simulations, physics demos. Mastery takes 3-4 weeks. Specialists earn 5-10% premium for interactive, engaging experiences. The skill sits between game development and web development.
Matter.js is a 2D rigid-body physics engine written in JavaScript. You create physics objects (bodies) with properties like mass, friction, and velocity. Matter.js simulates interactions: gravity, collisions, constraints (joints). You render bodies to Canvas or WebGL and users see realistic motion. A simple example: create a box (body), set gravity to 9.8 m/s², drop it. Matter.js computes position each frame. Box falls realistically, bounces off ground (if restitution > 0), gradually stops (if friction > 0).
| ప్రాంతం | జూనియర్ | మధ్య | సీనియర్ |
|---|---|---|---|
| USA | $75k | $115k | $160k |
| UK | £50k | £75k | £105k |
| EU | €54k | €82k | €115k |
| CANADA | C$72k | C$110k | C$155k |
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