Rotates a shape the amount specified by the angle parameter.
:angle - The angle of rotation, in radians (number)
:axis - The axis to rotate on (:x, :y, or :z) (:webgl mode only)
[:rotate
{:x 100, :y 100, :angle (/ (js/window.performance.now) 1000)}
[:rect {:x 0, :y 0, :width 50, :height 50}]]