coffeescript - Framer.js: how to get tap coordinates -


i'm writing framer.js function simulate 'splash' effect when tap button or layer, per google material design.

it looks this

tapsplash = (tapx,tapy) ->    tapsplashlayer = new layer        backgroundcolor: "#ffffff"        opacity: 0.2        width: 500, height: 1500        borderradius: 1500        midx: tapx        midy: tapy

after this, have code run animation.

my question is, how tapx , tapy coordinates? not enough use midpoint of layer has been clicked/tapped - want animation originate exact point user tapped on

check out own answer question. i've since forked , made changes taps on computer or taps on mobile device recognized separately. https://github.com/carignanboy1/material-design-interactions/tree/improved-touch

touchevent = events.touchevent(event)  if utils.isphone() || utils.istablet()         tx = touchevent.clientx - layer.x         ty = touchevent.clienty - layer.y     else         tx = touchevent.offsetx         ty = touchevent.offsety

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