LAF slider moves when clicked, but not the way I want

[d.healey]

I'm sure this is some simple calculation but I haven't figured it out.

I have a vertical slider. The value is represented by a rectangle. When you click on the rectangle it should move so that its middle is aligned with the mouse cursor, but it doesn't. Any suggestions?

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[ustk]

@d-healey AFAIK you can't. Because the mouse 0-1 is mapped onto the full height while the rectangle travel is full height minus rectangle height, meaning there will always be a "sliding" effect. This is because you can't have the mouse position to play with. So if you really need it this way, you'll have to go with a custom panel

[ustk]

@d-healey BTW your y can be factorised this way:

var y = (a[3] - h) * (1 - obj.valueNormalized);

[d.healey]

@ustk said in LAF slider moves when clicked, but not the way I want:

@d-healey AFAIK you can't. Because the mouse 0-1 is mapped onto the full height while the rectangle travel is full height minus rectangle height, meaning there will always be a "sliding" effect. This is because you can't have the mouse position to play with. So if you really need it this way, you'll have to go with a custom panel

Thanks for the clear explanation. It explains why I couldn't figure it out :)

var y = (a[3] - h) * (1 - obj.valueNormalized);

Oh that's much nicer