[BlendMode] Creating Glitches, Watery FX, ... with Displacement BlendMode
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[BlendMode] Creating Glitches, Watery FX, ... with Displacement BlendMode
Wrote a Displacement BlendMode which works similar to the displacement map FX of AfterEffects.
[Edit:] Maybe a bit more explanation on how it works:
the red channel defines the displacement of the pixels in x axis, where R = 128 is no displacement, R = 0 is max negative displacement, R = 255 is max positive displacement. Same with green and y axis. So a mid grey image would do nothing.
The actual maximum displacement amount is set by the intensity of the layer.
Ciaran had the idea to rewrite it as a VFX instead of a blend mode by using the layer referencing. Maybe i'll do that at some time.
[Edit:] Maybe a bit more explanation on how it works:
the red channel defines the displacement of the pixels in x axis, where R = 128 is no displacement, R = 0 is max negative displacement, R = 255 is max positive displacement. Same with green and y axis. So a mid grey image would do nothing.
The actual maximum displacement amount is set by the intensity of the layer.
Ciaran had the idea to rewrite it as a VFX instead of a blend mode by using the layer referencing. Maybe i'll do that at some time.
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Last edited by ThomasD on Tue Apr 21, 2015 12:55 am; edited 1 time in total
Re: [BlendMode] Creating Glitches, Watery FX, ... with Displacement BlendMode
mr_ricko wrote:thats awesome
Thanks. The ratio of creative possibilities and lines of shader code for that blend mode is quite good as the shader just has two lines of code
For ideas what can be done with such an FX, search google or youtube for 'aftereffects displacement map'.
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