Questions tagged [particles]

Particle refers to a graphics technique that uses a large number of very small sprites or other graphic objects to simulate certain kinds of "fuzzy" structures like fire, explosions, etc.

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How can I recreate the Darwin Project's Particle?

I want to recreate electronic particle in Darwin Project.but I don't know how can I use vfx graph to make this effect.I upload this effect in youtube you can see in the link below: Darwin Project ...
Seyed Morteza Kamali's user avatar
3 votes
0 answers
220 views

How can I make a tendril flame like aura visual effect?

I am a bit new to UE4 and I'm trying to get a tendril flame like aura like the picture below. Does anyone know how I would go about this? Should I use post processing or particles?
John's user avatar
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OpenGL C++ Drawing particles instanced performance

In my 2D Game Engine I'd like to reduce the amount of draw calls. I used to do a draw call for every particle, which yields worst performance. I've tried instanced rendering in OpenGL but my ...
moepmoep12's user avatar
1 vote
0 answers
557 views

Unity Particle Systems from AssetBundle not rendered properly

Background I'm developing a (mobile) game that makes use of particle systems to display blood splashing. The particles are - like most assets (characters and whatnot) - world based which means there ...
Roman Stadlhuber's user avatar
2 votes
1 answer
2k views

Unity - I can't change the "colorOverLifetime" property of the "Particle System" via script

The goal is to remove the particles via script with fade effect. But I'm not just interested in an alternative, I want to understand why my code doesn't work. The code below is modified to show only ...
Baro's user avatar
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1 answer
907 views

Particle Effects move awkwardly as the camera approaches them

Particle effects seem to move rather awkwardly when partly out of camera bounds. When scaling up particle effects to the point where they fill most of the screen they don't appear static anymore. ...
AzulShiva's user avatar
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2 answers
419 views

Particle spawn on collision spawns too many particles

So i have the following code: ...
Marc Rasmussen's user avatar
0 votes
1 answer
296 views

How to deal with VBO and obj files for physics simulation?

I'm having a hard time struggling with obj files and clothing simulations. I first made the obj file processor class that deals with the typical obj file problem: having multiple indices for vertex ...
Peter's user avatar
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2 answers
2k views

How to create smoke that spreads outward in all directions?

I saw many tutorials about smoke grenade but they just use volumetric smoke. I want to make something like the smoke grenade in PUBG, where the smoke spreads in all directions; how to do that? The ...
Lord722's user avatar
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0 answers
52 views

I cant Instantiate a particle system for the duration of a subroutine

I have a sub routine that lowers the timescale to 0.3 for 2 seconds. while in those two seconds i would like to spawn a trail of particles that follow the player. I can get the particles working if I ...
ImGuitarded's user avatar
4 votes
1 answer
677 views

Wind-blown fire particle effect from scratch

I want to create an effect of fire and be able to give it a variable amount of "wind" to make it blow to the side. I don't want the particles to just curve off to the side, but to flow through the air ...
Darin Beaudreau's user avatar
1 vote
0 answers
50 views

Particle systems don't start unless I look at them (Unity)

I'm currently working on an atmospheric system in Unity (day/night cycle, weather). I'm having an issue where my rain/snow particle systems won't start unless I look at them. They're way up in the sky,...
ThriftyDonut's user avatar
2 votes
1 answer
104 views

Lightweight NON-dynamic particles in Unity

I know Unity has an advanced system for managing complex dynamic particle systems with a few thousand elements (Shuriken). Does Unity have a more lightweight way to create a very, very large (several ...
Bitbang3r's user avatar
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138 views

Ice transition particle effect

We are small indie team developing a casual mobile game. We are trying to implement an effect like the normal-to-ice block transition in Angry Birds 2: How can we implement an effect like this in ...
Mostafa Farhan Haque's user avatar
1 vote
2 answers
2k views

How do you make a particle system collision add a force to an object towards the particle system?

I have a lightning particle that gets shot at the ground. I want the particles to collide with the object they hit and add an upward force. I tried just entering a negative force in the Collider Force ...
JoffLobster's user avatar
2 votes
1 answer
2k views

Can I apply a force to particles from a script?

I'm working on a game which involves streams of electrically-charged particles, being manipulated with electric and magnetic fields. Since I want a large number of small objects coming from an emitter ...
Draconis's user avatar
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1 answer
869 views

Recreating Common "Glowing Pillar" Effect in UE4

I've noticed a common "glowing pillar beacon" effect in a few games lately (Overwatch, Fortnite, etc). The effect provides a translucent glowing beam pointing upwards that tapers off towards the top ...
ImLegallyBlind's user avatar
1 vote
1 answer
479 views

Rain Effect generation in a Unity VR project

I´m developing a VR project in Unity Engine and I need to implement a Rain Effect. I have considered the following: A VR game must run at least 90 frames per second. The Rain must be detailed. The ...
Daniel Toledo's user avatar
4 votes
2 answers
1k views

How to create a wind tunnel / sky diving effect like in Fortnite?

I am using Unity and I want to create a sky diving effect, as if you were looking directly down while falling and have the wind fly past you. My guess is I have to do something with the particle ...
Gary Holiday's user avatar
4 votes
1 answer
8k views

Additive, Alpha Blended, Unlit, Lit differences?

Short question, what's the difference between the shaders used for particle, and how they affect the visual. Additive Alpha Blended Unlit Lit
Happy Face's user avatar
0 votes
1 answer
660 views

Unreal Engine: Access Violation on FObjectFinder

I got a problem with my project in unreal. I wrote some code about a month ago and it worked fine until yesterday when the editor started crashin on launch. I get this error message in the log: ...
Birkl's user avatar
  • 21
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1 answer
1k views

Emit particles from only some parts of a mesh

I have a 3D mesh with 3 sub meshes in it, for 3 different materials. I would like particles to spawn from the mesh, but only from location where one of the material is assigned. How can I make this ...
eon's user avatar
  • 133
3 votes
2 answers
1k views

How do I create this windblown snow effect?

How do I create this snowy wind kind of effect, where wisps of snow appear to blow through the air close to the ground? I have seen this in several games like Skyrim, the new God of War, but I don't ...
Davy Jones's user avatar
1 vote
0 answers
244 views

2d ParticleSystem batching problem

I have multiple ParticleSystems with TextureSheetAnimation pointing to the same texture, using different offsets/rows to choose ...
Jacob's user avatar
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1 vote
0 answers
1k views

ParticleSystem, performance behind the technique on batching with different materials

I found that guide: https://thinhhb.wordpress.com/2016/03/27/unity3d-optimization-make-atlas-textures-for-particlesystem-reduce-drawcall-why-not/ which is quite clever. As far as I know, we can't ...
Jacob's user avatar
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2 votes
1 answer
3k views

Unity: Particle System start rotation completely incorrect when set via C# script

I am trying to set the starting rotation of a particle system via c# script so that the particles orientate with another object in the scene. My particle system 3d rotation is set as follows: ...
Ben Hayward's user avatar
0 votes
1 answer
365 views

Circular Particle Effect in Monogame

I'm new to C# and Monogame, and I'm trying to create an effect of a 'psychic' ability, the user will press a key and a circular aura blast will emit from their position. I'm just trying to get the ...
vK31RON's user avatar
0 votes
1 answer
60 views

Errors while instancing particles

Im creating a particle system of my own, and I have some draw issues with it. It's the first time I use instancing, so it's probable I have some concept errors. First, I create three buffers: one for ...
Cabreira's user avatar
1 vote
3 answers
287 views

How to add rotation to two particle collisions?

I'm trying to make a particle system where when particles collide, they merge together, to get the new velocity vector the smaller particle's force is added to the larger one. However, this isn't ...
Bodhi1's user avatar
  • 13
0 votes
0 answers
146 views

Activating particle system after 2 triggers on enter

I would like that particle system must play indefinetely at some position after two triggers on collision are triggered on enter. When game starts, particle system is deactivated. I have make this ...
Wildfire's user avatar
  • 271
0 votes
1 answer
731 views

Unity - Fading mesh particles

Is there any ways to fade mesh particles like color over lifetime method with addictive shader. I have little to no understandings of shader coding, and fade rendering issue kicks in even with vertex ...
Happy Face's user avatar
1 vote
1 answer
233 views

How to use Particle start color in unity3d 2017

I want to create a particle(prefab) and use another object color to change those particle's color but it seems everything is changed and I don't know the new method to use it. Here my code: ...
Ero's user avatar
  • 29
2 votes
2 answers
578 views

How To Add Animation Graphics To An Android Game

How to make something like this animation drawings that coming out from the car ? (I'm using android studio) The Game's Link : Finger Driver
J.N's user avatar
  • 21
0 votes
1 answer
202 views

How to make a shattering effect similar to Housemarque's Nex Machina?

After playing Nex Machina for a while, the shattering effect which turns monsters and scenes into cubes really fascinated me and I can't hold my curiosity to explore how they made it. I have tried to ...
Alpha Mistral's user avatar
4 votes
0 answers
486 views

Moving all the particles in effect LIBGDX

I have a few particle effects that I would like to be in a circle shape in libgdx i.e. not a cone shape. I have done this by setting the direction of the particle effect from 0 to 360. The problem is ...
V F's user avatar
  • 41
1 vote
1 answer
1k views

Particles emit even though emission is disabled

I have created a basic particle system which is a single burst around a sphere. I have a script that disables this emission upon Start. If I don't disable the ...
max pleaner's user avatar
2 votes
1 answer
1k views

How to generate multiple particles at once?

I am tying to create a cartoony balloon-pop animation. I want there to be particles that come from all sides of a sphere. However they should all come at once, in a single burst. What I've done is ...
max pleaner's user avatar
0 votes
1 answer
423 views

Particle system prefab not instantiated

I am trying to instantiate my fire particle system during runtime like this: ...
Eutherpy's user avatar
  • 125
0 votes
1 answer
66 views

Implement Hearthstone disenchant extra cards particles

How would you implement the hearthstone flying particles? like you can see here These are not just simple particles flying from a to b... I think that they are flying in some random spline, and ...
gilamran's user avatar
  • 101
0 votes
3 answers
1k views

Efficiently drawing large numbers of small, moving squares to screen in libgdx

I'm trying to make a game which behaves somewhat like The Powder Toy. The world is square and can be filled with particles. Particles are drawn as small squares, constrained to integer positions, and ...
paleto-fuera-de-madrid's user avatar
0 votes
1 answer
532 views

Is it possible for a particle to have an infinite lifespan in SceneKit?

I'm trying to do an experiment where the user creates particles when they touch the screen, and then the particles just stay in place, only dying in collision. I'm wondering if it would be possible to ...
Tam Hartman's user avatar
1 vote
1 answer
806 views

Unity - are particles rendered and calculated when off-screen?

I have a scene where I have a lot of instances of the same particle system. As the game will go for mobile, I fear the particles are calculated even when they are not shown. So to cut it short, I ...
agiro's user avatar
  • 269
0 votes
1 answer
232 views

Sorting a vector using array version of quick sort

I'm coding a simple rendering engine using OpengGL and I wrote a class that manages a particle system. The class creates the particles and pushes them into a vector to be used by a renderer to draw ...
Luca's user avatar
  • 143
0 votes
2 answers
2k views

OpenGL - Changing blending modes using sprite batching

I'm working on a game which uses sprite batching to render sprites efficiently where each sprite gets batched with its VBO data into a VAO every frame (containing vertex coordinates, texture data and ...
Jeremiah Cummings's user avatar
0 votes
1 answer
6k views

How to freeze particle system?

I have set particle system of duration 5 seconds. But, I wouldn't like particle system to repete but to be frozen in fourth second forever. How to do that?
Wildfire's user avatar
  • 271
2 votes
0 answers
784 views

Particle system on sphere surface

I would like that particle system travels only on sphere surface. I have set sphere and particle system as it's child. How to constraint particle system ? How to make trails follow along sphere ...
Wildfire's user avatar
  • 271
0 votes
0 answers
3k views

Why is Particle System Not Visible Without Scene Window Viewing the Origin?

I have a particle system, which is supposed to be highlighting an important game object, but the Particle System doesn't show on the game window unless the Scene window camera has the Origin (0,0,0) ...
LVBen's user avatar
  • 544
0 votes
0 answers
35 views

Lightning not hitting an object?

I was following this tutorial, but the lightning is not hitting the other object as the video shows. ...
user43474's user avatar
  • 537
7 votes
1 answer
4k views

Differences between particles and using shader in creating effects

I'm working with particles and little bit with shader. Both of them can do the same task like creating effects of flame, snow, glowing ... So which one is better and what are differences between them?...
TomSawyer's user avatar
  • 243
0 votes
1 answer
402 views

Algorithm to draw particles in correct order?

For a game I'm making as a hobbyist project, I need to be able to draw smoke on the screen. I am doing this by setting up a particle system. The problem is I need all the particles drawn in order from ...
Saitama9932's user avatar