Questions tagged [collision]

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1answer
241 views

Objects and physics not being rendered

I was working on a scene with 2 groups of particles that were supposed to collide with an object. I set the physics on the "collision object" to collision, in the preview the particles did collide, ...
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55 views

How do you create a particle system that has animation tied to dying particles?

As an example, I am trying to create an animation that emits particles that need to explode/crumble when the particle collides with another object. I am not sure however, how to trigger these events, ...
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2answers
1k views

Soft Body object going through object with Collision?

I have these balls with Soft Body on, when the cylinders are still, they interact with them without issue and bounce off of them. But I animated the cylinders to move side to side (sort of like an ...
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0answers
29 views

Define died after collision particles via Particle Info node

Usual "death" means Age/Lifetime ratio is 1. This is simple to define with corresponding outputs of Particle Info node, but how to deal with particles killed by collision? Maybe some math involving ...
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176 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 ...
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0answers
57 views

Fractured object breaks apart before hitting collision surface

I have a fractured object that I am dropping at frame 1 onto a solid, passive surface. However, the object shatters as it begins to fall, and is already in pieces before it hits the ground. I have ...
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0answers
57 views

How to suspend an object from two points

I'm looking to create a physics animation of a guitar slung over a body using its sling. So there's one body which acts as a parent and collision object. A sling / two slings (made to look like one ...
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2answers
221 views

Can you have mesh particles that don’t intersect?

Hey there I’m just wondering what I should be using if I’m after this result where there’s scattered randomly rotated pills that aren’t intersecting each other like this… istock example At the ...
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0answers
35 views

Invisible wall in cycle [duplicate]

I have a basic cube mesh that i currently use as a wall And a basic ball mesh deforming itself on it as my animation How can make the cube invisible BUT keeping the interactions between the two ...
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1answer
148 views

My character with soft body still go through wall a little (animation)

I have A character with softbody (and ik armature if you are wondering),A wall,Collision enable The character deforms itself on the wall as i want but some of the mesh still passes through the wall. ...
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1answer
31 views

Blender collision activation only once

I have it so that once you touch this block, my voice actress begins giving a tutorial, but if you touch it again, she starts all over again, do you know a way to make this happen only once?
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24 views

softbodies collision problem

I have 2 balls (softbody) falling one after the other. The Softbody1 goes first. When the second Softbody2 reaches the initial position of Softbody1 it collides with it, but Softbody1 is already gone, ...
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1answer
382 views

How to ensure accurate rigid body simulation with many small objects

I am attempting to fill a cup with small capsules to create the effect of sprinkles sitting in a bowl. To do this, I have been using rigid body simulations to pour the sprinkles into the cup and then ...
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1answer
162 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 (...
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1answer
53 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
124 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
28 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 ...
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2answers
108 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
401 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
107 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 ...
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1answer
599 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
204 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 ...
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1answer
220 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 ...
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1answer
267 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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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 ...
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1answer
911 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 ...
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1answer
67 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, ...
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1answer
464 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 ...
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1answer
629 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
854 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
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1answer
2k 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
103 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
27 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
582 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 ...
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1answer
146 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
308 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
145 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 ...
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1answer
4k 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
377 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: ...
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1answer
154 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
49 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.
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1answer
1k 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
280 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
579 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
74 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
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1answer
293 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, ...
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1answer
2k 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
208 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 ...
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0answers
137 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 ...
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0answers
60 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 ...