Transformation matrix explained

Andrei Cacio

JavaScript Developer @ Moqups

JsHeroes Meetup Co-Organizer

Disclaimer!

I am not a math wizz!

You may have used before

• transfrom: translateX()
• transfrom: translateY()
• transform: rotate(45deg)
• transform: skew()
• transform: scale()
• etc.

You may have seen or used (or copy pasted)

{ transfrom: matrix(a, b, c, d, e, f); }

What the actual.... f***

Why should I even bother...

Matrix transformations are what RGB hex codes are to colors

• do more complex stuff
• storing
• more low level control
• having some fun with math :)

Basic algebric concepts

Vector

Matrix

Space

y

x

Basic algebric concepts

Vector Matrix multiplication

Such Math

Much Wow

What is a transformation?

Think of it as a map() method which applies a given matrix to each vector

So... what is the matrix?

Questions?

{ transform: matrix(a, b, c, d, dx, dy) }

Knowing this we can control the matrix