Scripting Layer Opacity change

Question

Hello! I want to create a script that decreases current layer opacity by 5. Here's what I have now:
app.activeDocument.activeLayer.opacity -= 5;
The problem is, when I map the script to a hotkey and press it multiple times (e.g. to set opacity to 50%), it goes normal from 100 to 95, from 95 to 90 and so on until 75%. From that point, it goes to 69% (should be 70%). Then it proceeds as it should (69 -> 64, 64 -> 59).It also breaks at 24% (24 -> 18), if that matters.I use Adobe Photoshop CS6 on Windows 8.1 (x64).Why is this happening (decrease by 6 when I have 5 in my code)? Am I doing something wrong? Sorry if this question is stupid, I am just new to Photoshop scripting...

pixxxelschubser · Accepted Answer

ahawktom,opacity is not a rounded value and opacity works with percent.Try something like this:if (app.activeDocument.activeLayer.opacity > 5) { app.activeDocument.activeLayer.opacity = Math.round(app.activeDocument.activeLayer.opacity) -5; }Have fun

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