Invisibility keyframe for multiple objects?

This topic has 29 replies, 2 voices, and was last updated 5 months, 1 week ago by c4cc.

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2023-08-07 at 10:21 am #65836

kdv
Participant

Constrainted object – Plane.002
Target – Camera

But you did the opposite…

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2023-08-07 at 3:43 pm #65846
c4cc
Participant
Thanks, this worked. Wonder how I can fit multiple of these into one blender scene without any of the planes spinning.

E.g., multiple of these explosions or fires in the same scene without camera going around those planes and the explosion or fire appearing flat or dissapearing.
- This reply was modified 1 year, 7 months ago by c4cc.
2023-08-08 at 1:14 am #65868

kdv
Participant

It depends on textures used. Your texture initially looks like a flat piece of wood.

In that demo smoke particles are also just planes always facing the scene’s camera.

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2023-08-08 at 2:42 am #65870

c4cc
Participant

True. So if those planes/textures are side by side, on the x or y axis, how do I make them always face the scene’s camera without them tilting? Like if we used multiple fire/smoke drums in your scene side by side, the fire and smoke always face the scene’s camera

2023-08-08 at 9:35 am #65879

c4cc
Participant

I did assign the “show” and “hide” to Sphere, under the explosion’s animator. Unfortunately, the Sphere did not appear and disappear as per the frame.

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2023-08-08 at 7:07 pm #65900

kdv
Participant

I see at least two mistakes in your animation and puzzles.
1) your animation starts with 1st frame and never plays 0th frame (in puzzles you use 0th frame).
2) your animation is supposed to have 10 frames but you didn’t add 10th key frame. Frames 6…10 are never played in your animation. That’s why it’s played twice faster than in Blender: it’s twice shorter, only 5 frames.

On my side it’s working as expected
https://v3d.net/mp0

P.S. The first and the last frames shouldn’t be used in the “on animation frame” puzzle. Intermediate frames only.

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2023-08-09 at 9:07 am #65907

c4cc
Participant

Thanks, your advice worked.

2023-08-10 at 2:22 am #65917

c4cc
Participant

Also, if those explosion/fire/smoke planes are apart, how do I get them to constantly face the camera via that Track To constraint?

2023-08-10 at 6:03 am #65918

kdv
Participant

So, what’s the problem? One plane – one constraint.

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2023-08-10 at 6:29 pm #65972

c4cc
Participant

If I try to use one plane to one constraint, with both planes far apart from each other, but facing the same camera… one plane will look messed up.

2023-08-11 at 1:10 am #65981

kdv
Participant

Do you mean this side-effect of “TrackTo”?

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2023-08-11 at 3:08 am #65983

c4cc
Participant

yes, certain planes will look distorted, while only one will seem 3D-ish

2023-08-11 at 3:12 am #65984

kdv
Participant

Show screenshots

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2023-08-11 at 8:34 am #65990

c4cc
Participant

Actually on second thought, multiple objects far apart using Track To Camera to one camera looks ok. My Bad. The simply problem was, I forgot to remove keyframes from the explosions, thus causing them to appear as one object in same place.

2024-10-23 at 6:58 pm #78061

c4cc
Participant

Sorry for replying to an old post, but here I have a series of armatured planes as a single object. How do I get the flat planes as a whole to constantly face the camera? My specs:

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