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Questions tagged [collision]

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8
votes
1answer
4k views

How do i create low lying smoke (similar to Zootopia), in blender

Hello Blender community, I am a huge fan of the Disney movie Zootopia, the amount of physics and detail really drew me into 3D animation and design. Although I always had an interest in 3D ...
2
votes
1answer
197 views

Create a shower hose with correct physics

I'm making a shower hose that follows the handle when it moves. I've created it successfully following THIS tutorial, but the hose is too "elasticy". I'm wondering which settings I should change (...
4
votes
1answer
1k views

How to get the physics engine to wraps a string around the moving part of a motor constraint?

I'm trying to simulate the physics of a string that wraps around a motor spool when the motor turns. The body of the motor and the shaft+spool defines a motor constraint, so a velocity can be applied ...
0
votes
1answer
56 views

Complex Collision Boxes

I'm trying to get a ball to go through in between the cup gear things shown in the screenshot below. It seems that the collision box does not consider the cups. Yes, the ball fits and they are ...
2
votes
1answer
647 views

How to have multiple soft bodies in a single object?

I want to use soft body physics on a human character. It means breasts physics is different than butt, thighs or belly. Is there any way to apply multiple soft bodies on single object? Like vertex ...
7
votes
1answer
1k views

make soft bodies stay inside another soft body

I have a cube, with a transparent surface, and make it a soft body and drop it. It's transparent because in it are some red balls. How do I set it up so that the red balls inside the cube bounce ...
3
votes
2answers
8k views

How do I stop hair particles going through the body and the head?

Target : I intend to have long lady hair that go swirling in the wind. I am trying to achieve that through hair dynamics. Problem: Hair are going through mesh(body and head). I am using blender 2....
7
votes
0answers
111 views

How do you avoid dependency cycle between two soft bodies?

How do you setup two softbodies with collisions without getting a dependency cycle ? A depends on B through Softbody Collision B depends on A through Softbody Collision Those two objects interact ...
3
votes
1answer
191 views

How to make an (open) object behave like rubber when penetrated by another

So uh i've got this problem with a penetrating object and another object that serves as something like a condom if you will So what I want, is for the penetrating object to not deform while moving ...
1
vote
1answer
3k views

Stop hair from falling through emitter mesh

I have a simple sphere with a hair particle system on it. When I add hair dynamics, the hair simply falls through the mesh. I would like the hair to fall around the mesh and collide with it (both ...
4
votes
1answer
5k views

Soft body and collision don't work

I am beginner in Blender. When I try to make a bouncing ball (UV sphere marked as "soft body") on the Plane (mark as collision), sometimes the ball falls through the plane. Or when it works ...
3
votes
1answer
197 views

Rigid bodies collision of a piston inside a shell

I am trying to simulate with the piston constraint by putting the rigid body piston into another rigid body shell such that they can work as a piston mechanism. However, the piston inside the shell is ...
2
votes
2answers
631 views

Rigid bodies not colliding when going fast

I have a scene with (what will be) a treasure map and am trying to animate some coins falling onto it. I started based on this tutorial https://www.youtube.com/watch?v=iYL9w6xsZ6g made a coin, ...
2
votes
0answers
1k views

collision between RB and softbody objects?

I have been trying to get a wrecking ball to collide with an upright slab of jello, with no success so far. I've tried so many combinations of physics attributes that I can't remember them all, but ...
7
votes
1answer
940 views

What causes this weird collision?

Pretty sure that there is some answer to this already somewhere since it seems such a basic action. But I could not find an answer to it. Maybe since I just started with Blender, I just don't know the ...
1
vote
0answers
48 views

How can I make my cloth sim show tight folds?

I'm trying to achieve visuals like the following: Unfortunately, this is the best I've got so far... I'm using the 'pinning with hooks' method seen halfway down this page - I'd let the cloth drape ...
0
votes
2answers
530 views

Modify the size and location of the Rigid Body Collision Object

Maybe I'm just spoiled by Unity3D, but I would like to reposition and resize the Rigid Body Collision Object of an object in my scene. Is there currently an established method to accomplish this? In ...
0
votes
0answers
228 views

Blender - Undefined Socket Type in animation Node

I am trying to learn the function "Particles Stick to side faces". Particles stick to side faces However, I installed animation node in blender and find some source node in the node editor become ...