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Questions tagged [collision]

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1answer
61 views

How to achieve pressing against invisible wall effect facing camera? (animation)

i'm quite new to blender. I'm making some animations and i would like to reproduce this effect Not only for the tongue,any part of the body ( hand/foot/derrière/chest ) To resume ,a character ...
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0answers
144 views

How to make Terrain Convex Hull Collision?

I'm trying to make Convex collision for terrain, and I cant seem to get it correct. I want to keep low datablocks if possible but I'd also like it to be very accurate. I've tried using VHACD to make ...
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1answer
29 views

How to make an object be sensed if it is No Collision in BGE

I am making a space game, but I need to make a boundary. I have four cubes and I'm using a property sensor to detect them and then display text, but I don't want the spaceship to collide with them and ...
3
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2answers
126 views

Building a Chess Board with Particles

I'd like to create an animation of squares falling down (1) to form a chess board. The squares would be falling in sequence and once at field level a chess part will emerge from it resizing from 0% ...
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2answers
569 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 ...
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0answers
123 views

making a character mesh collide with surfaces

I'm wondering if there is a way to make it so that my character mesh collides with all other surfaces in the animation process so that i don't accidentally put feet through the floor or fingers ...
1
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1answer
848 views

Soft Body Object-Collision Object Interaction Not Working

Thanks in advance to this wonderful community that has helped me a ton on the way. With that preface, here is my problem. I am trying to get the most basic of simulation to work correctly. The top ...
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0answers
289 views

Making objects fall into a pile with Particle Emitter [duplicate]

I am trying to make objects fall onto a plane and actually pile up like normal objects would. Instead of that, the objects fall, bounce around a few times, and end up merging with each other until ...
1
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1answer
294 views

I want the Cloth to drape over the cup, but It creates gap between them

Can someone tell me why this happens? I created a plane, subdivided it to 50, and smoothed it, and went to the physics, and clicked on cloth, then selected the cup, saucer and plane and went to ...
1
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1answer
328 views

How to make particles collide on face instead of median point?

I made a scene where particles collide with a plane, but the particles seem to collide on their median point: i want it to collide with their faces, so their faces don't go through the plane... is ...
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0answers
38 views

Why do my objects “glide” when they collide

I try to let some Tetris blocks fall on to each other. But for some unclear reasoning, they both move apart after the collision. I expect the object which falls, just simple "sit" on top of the other ...
7
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1answer
949 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
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1answer
72 views

Blender object sensor doesn't exist

When spawning an object into a game, I check its hit objects from my master python script, accessing the object spawned in. For some reason, the "Collision" sensor does not exist in the object, ...
2
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1answer
700 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 ...
5
votes
1answer
969 views

How to make skin reacting to touch

When you punch someone, skin will deform, same if you squeez your leg or other body part. I want this effect, because i'm making animation concentrated on interaction between characters. I tried to do ...
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2answers
1k views

Cloth physics/clipping

I've added physics to my objects but the cloth clips on the cube's edges. Why is that? https://gfycat.com/GoodIcyAustraliancurlew
5
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1answer
4k views

Cloth collision with an object

I have two chairs, a cloth piece falling on it and then a helmet falling above the cloth on one of the chairs. Whatever the setting I'm trying I cannot get the helmet fall nicely on the chair and ...
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0answers
114 views

Collision and cloth modifier don't work

I would like to use the collision and the cloth modifier to fit perfectly the shirt and the pants (created with adobe fuse) to the body of my character. I've created the character with the manuel ...
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0answers
29 views

How change origin from object with collision area without change pivot area of collision?

Please look the pictures. Have a explanation on the pics Please help me if possible.its for spawn correct ragdoll object to position of the box. Thanks
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0answers
683 views

Rigid Body Physics - Mesh collision not working

New to blender, and have hit a wall getting a test scene to work. Funnily enough, the wall I've hit is that I cannot get my rigid body geometry to hit a wall! I am creating a galton box simulation to ...
3
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1answer
213 views

Detect two objects colliding, and write the frame number when collision happened

Yes, I know it is similar to this question, but I want further explanation. I would like to detect two objects colliding, and write the frame number if on that frame the collision happened. Collision ...
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2answers
372 views

Particle Collision Object for some particles but not others?

Newb here. I have particles coming from two different emitters inside a sphere. I want the particles from one emitter to collide with the sphere, staying inside it, but I want the particles from the ...
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0answers
171 views

Export ONLY face normals of a mesh

I'm very new to Blender and just trying to accomplish some simple meshes for my game project. In the process of developing some collision meshes I'm looking to create some meshes that ONLY export the ...
4
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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 ...
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0answers
446 views

Testing for overlap or collision while adding objects via Python?

My understanding is that objects can be added programmatically in Python fairly simply, such as: ...
2
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1answer
171 views

Detect walls and prevent player from jumping on them

My main goal is to have the best jumping experience - (Keep jumping up and down when spacebar is held down, longer jumps when spacebar is held longer), where there is no wall jumps. Currently, minus ...
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1answer
52 views

Separate Collision Bounds

How would I add a separate collision bound for a character in Blender Game? I want to be able to detect collisions on different areas of the body and have different amounts of damage done.
0
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1answer
2k views

Making particles pile up on the floor

I have a simple scene. I'm using a particle system but the particles don't collide with the floor. They disappear after reaching the floor. I would like the particle to settle on the floor after being ...
3
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1answer
369 views

Molecular particles keep sinking down

using the Molecular script with a particle emitter to form a pile of spheres. The behavior so far is great however the particles keep sinking in to touch the floor (collier) like this. How to make ...
0
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1answer
887 views

how to make one object not pass through another in blender

I am relatively new to blender. I am making a model of a crate that is going to contain some fruits. I don't want the fruits to pass through the crates nor the fruits to pass through/overlap each ...
1
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1answer
92 views

Animation with physics, UV sphere can't fall through the ''empty'

I've got the problem while creating animation with physics in Blender. So I have two spheres and a tank. The aim is to get both spheres come through this tank. 1) Yellow sphere animation is based on ...
2
votes
1answer
333 views

Particle system and controlling the collision on surface on/off dependent on the emitting geometry?

I have three geometries, two point geometries emit particles in a line, like a laser beam, and the third is a plane. I could set the third, the mirror, to collide with the two particle streams. Now, ...
0
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1answer
3k views

How to create mesh collider for a blender model

I have built a house model in blender. I want to add collider to it's interior and exterior walls. How do I do that?
0
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1answer
231 views

(Blender Game Engine) Walk and Run cycle sound problems

This has not bothered me for a while. But when working on the finishing touches of my game I seem to rather have it fixed than to keep it that way.* My problem is simple. When I walk the 'Walk'sound ...
2
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1answer
182 views

How to propel an object, rotating freely in zero gravity, towards a collision with a fixed plane?

I downloaded a model of an astronaut from the NASA website, and I'm trying to create an animation with it to import into a Premiere video project, but I'm just a beginner at Blender and am having some ...
2
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0answers
66 views

Origin Points (and Colliders) Not Moving with Armature

I don't know if this has already been addressed elsewhere, but I couldn't seem to find any information on this issue. I'm trying to make a chain of rigid bodies using bones and empty axis(s) with ...
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1answer
540 views

Issue with Collision Detection

I am not sure if I am doing something wrong or there is an issue with the Collision sensor. I have a sensor embedded on the floor, with 2 objects that are moving over it. If the two objects pass ...
1
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1answer
442 views

Shaping Bezier objects and applying Physics collisions?

Logo animation project First part is dropping chromed tubes on a floor, let them bounce and roll a bit. The rolling stops at frame 90. Second part is for the lighting to go dark, and the tubes emit ...
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0answers
218 views

Cloth with pinning and collision is not wrapping body properly

Here are my modifiers settings If I did not turn on collision on body, cloth does not wrap all sides of the body: When I turn on the collision cloth did not fit on the pinning points I am lost in ...
2
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0answers
173 views

A Soft body (Nurbs Circle curve) collides with a Plane but doesn't do it with Cube & other objects

The case is this: A soft body (Nurbs Circle curve) falls on the floor and on one more object. The floor is a Plane mesh, the object is a Cube mesh. Collision physics is enabled for both. The soft ...
3
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1answer
209 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 ...
0
votes
1answer
743 views

Modifying the Character Collision Bounds

In the screenshot above, I have Suzanne as a character with cylindrical collision bounds. However, this is too large for me, and I want to make it narrower (along the X and Y axis) so she can go ...
3
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0answers
66 views

Solve Burr Puzzles in Blender?

There is a great software called BurrTools for the automated solving of burr puzzles, it is however sometimes a little bit cumbersome to work with. I do not think that there is any equal function ...
3
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1answer
799 views

why is my smoke blocky?

Hi all, i am basically creating a tunnel of smoke in blender 2.77, cycles. i have a flat ring mesh with a vortex underneath, and i have also added a cylinder on the outside (collision object) with a ...
1
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1answer
417 views

Animated tentacle collision / Rigid body not working

I've created some IK rigged tentacles animated with noise modifiers : (.blend file at the bottom) I'd like to create some animated tentacles that uses the rigid body system so they don't go through ...
1
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0answers
187 views

Rigid body go through soft body(not supposed to happen)

I want to clarify that I am really beginner with blender. I modeled a fairly simple .blend with balls that are supposed to be retrieved by a robot. At first I tried with a ball made with "rigid body" ...
4
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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 ...
3
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2answers
468 views

Squeezing shape by another one

I'm trying to simulate the growth of a cancer in the blood vessels in Blender 2.78c. Firstly, I created the network of blood vessels using this addon. Then, I created a simulation of the cancer with ...
0
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1answer
93 views

Dropping objects and groups with varying sizes and rotation to a floor with Python

I'm working on a Python script for Blender to generate 3D objects based on SVG files. One thing I'm trying to automate is dropping various objects to a floor. Each object can have varying dimensions,...
0
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1answer
72 views

Game logic with Dynamics

I'm new to the Blender Game Engine. I have several floating static cube meshes. How do I make a cube fall once it collides with my character?