Grasshopper

algorithmic modeling for Rhino

How to generate a sine/ cosine function with a gradual distance between the curves on the frequency

How can I make a sine-cosine function that differentiates the frequency of a curve gradually?

The final aim is to make a surface that reacts like a water drop on a water surface.

I have this to start from, it differentiates the heights of the frequency gradually, but now i also need to differentiate the horizontal distance between waves in the same fashion.

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 Try this.....

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Igor!

thank you very much, it looks super good....i have a doubt, what should be the input for the function?

and is it possible to vary the horizontal distance gradually, like the vertical one?

Hmmm....this is formula.....

I dont understand why definition so bad saved...

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 May be more better to use cylindrical coordinate system....

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Igor thank you so much for your help!!!

finally i tried this..

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I'm pretty sure the wavelength of ripples in a liquid is constant. All you get is a decrease in amplitude (inverse linearly correlated with the distance maybe?).

(click to see animated)

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thanks David, i guess you are right about how it works in nature, but the effect i wanted was to decrease the wave with the distance....finally it worked like this

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I'm learning GH and found these definitions very interesting.

Right now I'm trying to understand if it is possible to use these ripple surfaces to "envelope" a solid shape / surface.

What I'm trying to achieve is this kind of object: http://www.designboom.com/wp-content/uploads/2016/05/tokujin-yoshio...

In other means, I'd like to design a volume and apply on this volume a "water ripple" surface. Where should I start from?

Hello Mr. Rutten, can your example also be done on a sphere? Thanks in advance

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