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Diagonal Div Page transition

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This thread was started before GSAP 3 was released. Some information, especially the syntax, may be out of date for GSAP 3. Please see the GSAP 3 migration guide and release notes for more information about how to update the code to GSAP 3's syntax. 

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I have a crude example in my codePen of a diagonal div that I am trying to cover the entire window, and when I click the button the diagonal shape will slide down to the bottom left of the window, and reveal the content underneath.


I am sure there is a much better way to approach this, so the diagonal is not a huge shape stretching way beyond the borders of the browser and so that it looks like a diagonal triangle shape, as it slides down to the left and out of view at any screen size. Can someone shed some light...?

See the Pen RNNvQW by celli (@celli) on CodePen

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Hi celli  :)


personally i prefer to using SVG or Canvas for this type of page intro / preloading gate , or use simple div fade out effect .


a simple demo , check this out  :


See the Pen JoozxE by MAW (@MAW) on CodePen

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Maybe for bigger compatibility try drawing two svg shapes and set those as a background. You can then make it responsive by setting background-size:cover or use percentage.

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yes, these are awesome ideas. thanks!

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No problem. The people here are really helpful and nice. 


Diaco is a greensock magician by the way :D

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