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Maintain stroke width in 3d perspective
Any one got a good solution, keeping the appearance of strokes on shape layers the same while positioned on the Z-axis, in a 3d environment?
Found this discussion:
https://www.reddit.com/r/AfterEffects/comments/cgbwod/maintain_stroke_width_on_shape_layer_set_to_3d/But preferably something that while solving without camera layers.
Maintain stroke width on shape layer set to 3D
byu/autofasurer inAfterEffects -
7 Replies
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I’d use CC Particle World, with the particle velocity and gravity set to 0 and the producer radius probs yo at zero too. Link the producer to a 3D null and copy the path into its position ( https://youtu.be/dYYmeBOWXpw ). The particles will remain in place and act like a 3D stroke
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Ah, just re-read the Reddit post. So you want to zoom past the shape, but without it appear to thicker? Would scaling up the shape solve the problem instead of animating the camera move?
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Yes, you can scale it and add this expression:
” value / length(toComp([0,0]), toComp([0.7071,0.7071])) || 0.001; “
in order to keep it at the same size.
But i need something so that the appearance of the stroke will be the same, moving it back-forth on the depth axis in a 3d enviroment.
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Like this, but with the stroke to appear similar, regardless of position to the z-axis
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Have you tried using a Stroke Layer Style instead of the shape’s stroke? That will maintain width regardless of position in 3d, but only works on the alpha outline of shape. If you need to control internal strokes, you will need to separate your shape into multiple layers.
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Try this expression on the stroke width:
c=thisComp.activeCamera;
p=thisLayer.toWorld(thisLayer.transform.anchorPoint);
value * length(c.fromWorld(p)[2])/c.zoom; -
Or this if you also want to counter any scaling that’s going on:
c=thisComp.activeCamera;
p=thisLayer.toWorld(thisLayer.transform.anchorPoint);
value * length(c.fromWorld(p)[2])/c.zoom * 100/scale[0];
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