By the powers of WebGL, add a layer of water to your HTML elements which will ripple by cursor interaction! Maybe also by touch, though I haven't tested that.
Important: requires the WebGL extension OES_texture_float (and OES_texture_float_linear for a better effect). Works only with same-origin images (unless the image has the Access-Control-Allow-Origin header set appropiately).
Click here for a demo and to see how to use it.
| Name | Type | Default | Description |
|---|---|---|---|
| dropRadius | float | 20 | The size (in pixels) of the drop that results by clicking or moving the mouse over the canvas. |
| perturbance | float | 0.03 | Basically the amount of refraction caused by a ripple. 0 means there is no refraction. |
| resolution | integer | 256 | The width and height of the WebGL texture to render to. The larger this value, the smoother the rendering and the slower the ripples will propagate. |
| interactive | bool | true | Whether mouse clicks and mouse movement triggers the effect. |
| crossOrigin | string | "" | The crossOrigin attribute to use for the affected image. For more information see MDN. |
Call .ripples('drop', x, y, radius, strength) to manually add a drop at the element's relative coordinates (x, y). radius controls the drop's size and strength the amplitude of the resulting ripple.
Call .ripples('destroy') to remove the effect from the element.
Call .ripples('hide') and .ripples('show') to toggle the effect's visibility. Hiding it will also effectively pause the simulation.
Call .ripples('pause') and .ripples('play') to toggle the simulation's state.
Call .ripples('set', name, value) to update properties of the effect. The properties that can be updated are:
dropRadiusperturbanceinteractive
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