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(fake) tilt shift effect?

edited September 2013 in Questions Posts: 491

Is there any way to fake(!) the tilt-shift-effect without(!) use of shaders, and at low memory cost? I thought about a cloud-like texture with a transparent blending.. but when I tried this in Photoshop, it didn't gave any usable result...

If Not, then how could it be implemented with shaders? And how would I use those applied to the whole(!) scene? (applied on top of all drawings on screen?)

Comments

  • edited September 2013 Posts: 398

    Poor mans tilt shift is really easy - gaussian blur the top and bottom 25-30% of an image (with a fall-off towards the centre of frame).

    Implementing this with shaders should be relatively straightforward, especially as theres a 'blur' demo that comes with Codea.

    Obviously, this isn't as accurate as doing a 'proper' 3d depth blur to simulate a narrow depth of field - but should do the job and get you half way there.. ;-)

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