gre.to alpha

gre.to_alpha(
    percent
)
		    

Generate a numeric alpha value in the range of 0 - 255 based on a percentage from 0 - 100

Parameters: percent The percent of transparency (0 = transparent, 100 = opaque)

-- Create a 50% transparent value
local alpha = gre.to_alpha(50)
gre.set_value("myLayer.myControl.alpha", alpha)
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