Even if you fixed the position problem, you won't get a realistic look that way. I don't think the approach is viable because of the way CC Radial Fast Blur works when the blur center is outside of the comp frame. The problem is that the circle then also has to be moved so that it is on the line between the Spot Light 1/Position and the Spot Light 1/Anchor point. I am guessing that you positioned your ellipse somewhere in the comp and then used this expression to tie the CC Radial Fast Blur/Center to the position of the spotlight. Almost always, unless I'm using Trapcode Lux or Trapcode Shine, the spotlight effect will start out with a shape layer or a solid with a mask and some blend modes. Most are masks, some are masks combined with gradient track mattes. I have faked a lot of spotlight beams over the years and I cannot remember ever using CC Radial Fast Blur to create one. Select the layers, press the 'u' key twice, and use the toolbar, or drag or paste the screenshots in the reply field so we know what is going on in your shot. We need to see the whole UI with the modified properties of the problem layers shown. Any help would be gratefully received.Ĭropped and not embedded* screenshots don't tell us much. I've tried setting the centre manually so I don't think it's anything to do with parenting or calculations.Ī couple of screen shots attached to illustrate. I should highlight, the coordinates do move out of shot but the appearance does not follow. As I move the spot light location out of shot, the centre of the blur effect does not move out of shot. The above has all worked really well, if the light source is within the shot. The centre of the blur effect is the location of the spot light but using 'toComp' to convert it to 2D coordinates. I have then used CC Radial Fast Blur to turn the circle into a beam.
I've added a white circle (3D shape layer) and used javascript expressions to size and move the circle into the beam of the spot light. What I would like is to add beams of light as if the spot lights are shining through smoke. All of my light sources will be out of view as they would be in a theatre. The idea is that it looks like a theatre stage, with spot lights moving around to show the various titles.
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