[Mylenium]

Copy your position keyframes into a mask, then use the Stroke effect.

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Looks like Shine applied to some simple randomly moving circles.

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[Mylenium]

In the “Opacity over Life” graph, use the random button. Then smooth out the graph again by overpainting the curve start. If that is not enough, animate a flicker in the pre-comp for your custom particle. If you’re having more problems, feel free to ask again.

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Get yourself Digital Anarchy’s Anarchy Toolbox and use Path Distort to make a pre-comped, straight lightning bend around your path.

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Sure, some simple trig will do:

num_items=24; //number of images
angle=degreesToRadians(360/num_items); //per-item angle
radius=250; //radius of the circle

X=thisComp.width*0.5+Math.sin(angle*index)*radius;
Y=thisComp.height*0.5+Math.cos(angle*index)*radius;

[X,Y]

This will create a perfect circle. Ideally you should have each circle in a separate comp. If that’s not possible, make sure to add the offsetts from the other circles to the index value. For the rotation simply add or subtract the segment angle multiplied with the index.

num_items=24; //number of images
angle=360/num_items; //per-item angle

[angle*index]

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[Mylenium]

Sure, some simple trig will do:

num_items=24; //number of images
angle=degreesToRadians(360/num_items); //per-item angle
radius=250; //radius of the circle

X=thisComp.width*0.5+Math.sin(angle*index)*radius;
Y=thisComp.height*0.5+Math.cos(angle*index)*radius;

[X,Y]

This will create a perfect circle. Ideally you should have each circle in a separate comp. If that’s not possible, make sure to add the offsetts from the other circles to the index value. For the rotation simply add or subtract the segment angle multiplied with the index.

num_items=24; //number of images
angle=360/num_items; //per-item angle

[angle*index]

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[Mylenium]

You need to use layer space transforms like toComp() to convert your relative parented position to absolute composition coordinates. Do a search, this has been covered quite a bit in the past.

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[Mylenium]

You need to use layer space transforms like toComp() to convert your relative parented position to absolute composition coordinates. Do a search, this has been covered quite a bit in the past.

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Huh? Do you mean keying? You cannot have real transparencies in video files, they are stored in the Alpha channel. By default AE’s composition background is black and it will use that to fill in pixels that are otherwise transparent. Unless you have an application that interprets the Alpha channel (like AE itself), you will never see the transparencies. Just make sure you choose a CoDec that supports Alpha channels as an output module (Lossless, Animation).

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Turn off the auto-light in the render options.

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