Scaling a circle problem

Support Animation and Rigging
1

Hi,

checking out Blender at the moment and I try to emulate techniques I use in C4D.

One rig I have is I use a circle, constrain an object to it and set a target for the pinned object with another constrain. That works fine.
Now I start animating the scale of the circle and its rotation seperately and the object follows the circle spline position just fine while aiming at the target.

But as soon as I animate the scaling of the circle it automatically rotates the circle as well back to its default position. Why is that? Can I prevent it? I keyed in object mode.I just want to move the points of the circle towards the center point from their current position.

2

Hello, maybe show some screenshots, it might help to understand

3

I have a file but I cannot upload because I am new it says.

Here a screenshot. The circle is animated and the cube pinned to it. As soo as I scle it down the circle rotates back to default position or jumps around which rsults in a whobbly animation

Untitled-1
Untitled-12560×1390 347 KB

4

Hi Chris, i am too using c4d as well as blender. you could use; https://wetransfer.com to link your file here.
I am not sure if this is what you are after?:circle scale.blend (585.0 KB)

5

Ok ok I figured it out. I switched to Quaternion interpolation and it works now. I did not notice it wasn’t the default. Thx to all.

1 Like
6

I am glad you figured it out.

7

This should not be a Quaternion/Euler problem. I use this kind of setups now and then and they work fine with Euler. There must be something else.