const [width, height] = getDimensions(canvas);
const drawBranchUp = (xDist, yDist) => drawBranchFrom(ctx, x, y, xDist, yDist, left, -1);
const [width, height] = getDimensions(canvas);
const drawBranchUp = (xDist, yDist) => drawBranchFrom(ctx, x, y, xDist, yDist, left, -1);