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Hi,

I use
/Examples/Include2D.frag
in my own  frag file.

Is it possible to change initial Zoom version in my frag file ?

Definition is :
uniform float Zoom; slider[0,1,100] NotLockable

but I would like to set Zoom to 0.78

How can I do it ?

TIA

Adam

Yes, the default preset is used at load time to initialize everything, once this is done other presets only need to have the uniforms you want to change.
The minimum required uniforms are what is in a "keyframe" preset, FOV, Eye, Target, Up, the engine needs at least these things to get setup and start rendering.

I deleted all presets from Mandelbulb.frag and loaded that, it works, I thought there was a minimum requirement to start the engine  but it seems to initialize and render fine from the uniform defaults... I may have been under the wrong impression from back when I was adding spline path interface, just never tried since then.
so apparently, no presets is fine this might be handy when sending a frag to another machine for remote rendering...

edit:i was referring to the preset named "Default"

Examples/Include/2D.frag, and other 2D frags, contain the line...
that is where you should make the change
this line should not be in your own frag unless you delete or comment out the zoom line in the 2D.frag you are using.