Propeller

← ↑ →

Assignment

Draw a cross centred in the canvas rotating constantly clockwise, like a propeller. The user should be able to stop and invert the rotation with two separate buttons.

Skills

Basic Drawing, Callbacks/events, DOM Controls, Drawing loop, Parametric Drawing, Transformation Matrices

Resources

(↷) Exercise Solution

(↗) How to toggle a boolean (stackoverflow)

(↗) Multiplication Assignment (*=)