[Graham Quince]

I think the way I would do this is a shape layer with a rectangle path and a triangle path (you can draw a square and delete a point)

I’d then add an Slider expression control and in the rectangle pathos property, use an expression on the size to link the width to the slider and set a fixed height. For the triangle, I’d then link its position to the slider. Positioning the triangle underneath the rectangle could be set to hide the left hand edge so it appears as one shape.

Recently I did a tutorial on creating social media buttons which uses a lot of the same techniques, including forcing the anchor point to be on the left.

A completely different approach: use a text layer and add a >. Then use the grid effect on another layer to draw the horizontal lines.

And I can’t speak for anyone else, but I have no problem spoon-feeding an answer. We’re here to help and everyone was where you are at some point 😉

[Graham Quince]

Unfortunately, you cannot adjust the font size directly, but you can adjust the scale.

Try this expression on your text layer’s scale:

y=thisLayer.sourceRectAtTime().height;
s = linear(y,450,1000,55,75);
[s,s]

y is the height of the text layer.

linear is AE’s range mapper expression. 450 is the lower threshold, 1000 the top and then 55 and 75 are the percentages to output. Between 450 and 1000 the scale will be somewhere inbetween 55 and 75.

[s,s] puts the same scale value for the width and height.

[Graham Quince]

You’ve not given me lot to go on, but I think you’re asking for the best way to duplicate your icons and their animation, but have their positions be different. Simplest way: pre-comp each icon and then you can add multiple precomps to assemble your background.

[Graham Quince]

After Effects including Boris Mocha AE. You can achieve a much better screen tracking with that tool and then key or mask out the tv, place your footage underneath that layer and you’ll get a better result.

I made a tutorial on using Mocha AE for screens, you’ve already shot your footage, so skip the first bit, but towards the end you can see it in action:

https://youtu.be/c3TybpIQ_ik

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[Graham Quince]

Try pre-composing a copy of the dancer so that you add colour correction effects and blurs. Then apply the echo to this. It should be a lot less solid.

[Graham Quince]

I don’t have Tao myself, but I do have Particular. With that plug-in, you can specify the name of the light the effect will follow, by default its Emitter, but you can change this in the effect controls. Is there a similar option with Tao?

[Graham Quince]

Check out Animation > Keyframe Assistant > Sequence Layers

It’s been a while since I needed to use it, but I think that is what you’re looking for.

[Graham Quince]

Take a look at @danebberts expression for creating trails. You’d pickwhip to one of your shape’s position properties, instead of the layer:

delay = 5; //number of frames to delay

d = delay*thisComp.frameDuration*(index - 1);
thisComp.layer(1).position.valueAtTime(time - d)

[Graham Quince]

CC Particle World can be linked to a 3D null, and then animated to move around a object. You can have it go behind an object using the Extra’s setting Composite with Original.

Fiddling with the birth rate will get the look about right.

As for particles bouncing from the edges, I think you would be looking to pay for a plug-in like Trapcode Particular, unless you weren’t doing a camera move, then could possibly fake it using Turbulent Dislace.

[Graham Quince]

Wow, that’s a complicated loop you’re trying to do. By using wiggle you’ve introduced too much randomness to return to a starting point for any time stamp. So, you could either take your comp and next it or render footage, then use a fade to blend the loop,… or you could render out a much longer version of the video, so that you don’t need to worry about loops.