Showing content from https://github.com/PixelsCommander/Propeller below:
PixelsCommander/Propeller: JavaScript library to rotate elements with mouse or touch gestures. Supports inertia and stepwise rotation. Optimized for better performance.
JavaScript library to rotate elements by mouse. Supports inertia and stepwise rotation. It is also compatible with touch devices.
Lot of demos
Spinner game drawn by my doughter
Project page
Usage
Easy-to-use as jQuery plugin:
$(nodeOrSelector).propeller(options);
or zero-dependancy library
new Propeller(nodeOrSelector, options)
Propeller uses requestAnimationFrame and GPU compositing for better performance.
- angle sets initial angle
- inertia is the most valueble option. It is a number between 0 and 1. 0 means no rotation after mouse was released. 1 means infinite rotation. For this demo we use inertia equals to 0.99.
- speed - initial speed of rotation. It also can be used as property in runtime.
- minimalSpeed - minimal speed of rotation. Works only if propeller have inertia between 0 and 1.
- step allows to set step in degrees for stepwise mode.
- stepTransitionTime enables CSS transition to move from step to step. This makes steps smooth and allows to use CSS transitions easing.
- stepTransitionEasing CSS easing mode for transition when in stepwise mode and stepTransitionTime is more than zero. A bit more about easing functions
- onRotate callback executed when rotated. You can easily get current angle as this.angle inside of callback function.
- onStop callback executed when stopped.
- onDragStart callback executed when start dragging.
- onDragStop callback executed when stop dragging.
- unbind unbind listeners to make propeller inactive, this does not stop rotation
- bind bind listeners after they were unbinded
- stop stop rotation immidiately
- angle current propellers angle.
- speed current speed of rotation. Degrees per frame.
MIT: http://mit-license.org/
Copyright 2014 Denis Radin aka PixelsCommander
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