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camera zoom on cursor

Hi, I'm looking for a blueprint setup for my zoom in/out camera. How to make the camera target the cursor while zooming ? I've tried with Get Mouse Position, but it's only 2D coords. I've tried a ConvertMouseLocationToWorldSpace too, but my camera looks an object with a certain angle from the ground (20°), so there is a mismatch in one axis : each time I zoom, the camera moves on its Y axis (it probably don't takes count of the difference between the Y coord of the camera and the distance between the camera and the targeted object). I'm actually working with a camera attached to a spring arm (which length is modified to ajust the zoom), in a pawn class blueprint.

Any suggests would help, thanks !

Product Version: UE 4.10
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asked Feb 18 '16 at 11:39 AM in Blueprint Scripting

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Teapot Creation
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avatar image Teapot Creation Feb 22 '16 at 12:45 PM

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I've tried different ways, the best consists in converting the X/Y move of the cursor in the screen into %, and using this rate to scale the world location vector of the camera. But I've jumps from one position to another, as lerp doesn't work correctly ; without explanation, even if the "set world location" node is linked to On Tick event, it only works during the time the wheel scroll "button" is activated (that is to say a fraction of second).

Has someone a working workflow ?

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