A lot of building with React is about maintaining the state of the view. The first time I animated something on a canvas in React I held the state and the code to draw it in the same component. After browsing examples online, I came across this rotating square on CodePen. What I really liked about this example was the way the state was separated from the drawing with the use of two components. The state of the drawing was then passed from the animating component to the drawing component through props.

I recreated the original to show the separation.

#web dev #react #animating #canvas #techniques