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Questions tagged [particle-system]

The term particle system refers to a computer graphics technique that uses a large number of very small sprites.

The term particle system refers to a computer graphics technique that uses a large number of very small sprites.

Particle systems include fire, explosions, smoke, moving water (such as a waterfall), sparks, falling leaves, clouds, fog, snow, dust, meteor tails, stars and galaxies, or abstract visual effects like glowing trails, magic spells, etc.

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Three.js / ShaderParticleEngine — SPE.Group.tick bad delta argument?

I'm using the ShaderParticleEngine library for Three.js to create particle emitters. I picked several code snippets on the Internet to have a working emitter. Firstly I believed that is wasn't working. But in fact, the emitter was displayed on the…
Morgan Touverey Quilling
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Stop particle effect libgdx

I have a game that involves lots of collisions and explosions. Basically, enemy-projectiles are launched from the bottom-right corner of the screen towards the left side. The player can intercept them using his weapon. I want whenever a "bullet"…
David Lasry
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Particle effect with libgdx - box2d

I'm developing a game which basically involves a lot of collisions and explosions. Now, whenever I have a collision between two bodies, I want to draw a particle effect like an explosion at the collision position, but I'm not sure how do I do that.…
David Lasry
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How to scale particle effects in libGDX at runtime?

Is there any way to scale particle effects at runtime using libGDX's particle system? I'm aware of this question on the subject, but it doesn't address scaling at runtime. I tried using the answer by Viktor, but it simply made the particle effect…
kabb
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Particle effect not rendering

I'm trying to use a particle effect, but I encounter an error associated with this task before my application starts. This is how I've set it up: private ParticleEffect particle; @Override public void create(){... ParticleEffect…
jdubbing
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Xcode5: Cannot preview SpriteKit particle emitter in xcode

When selecting an sks file in xcode, there is no preview of the particle effect. I have tried creating a completely new project. I can integrate the particle emitter in the app, but can not preview the effect in the editor.
roman777
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How to calculate speed vertices for 3d sphere - explosion (particle system in)

I am making a 3d particle system and I wonder how to make an explosion. My function will specify the number of particles that will create explosion effect. It will look like a growing sphere. My question is: how to calculate velocity Vector3 for…
Grzegorz Brzęczyszczykiewicz
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UIKit Particle Systems in ios7. Number of particles increased

The particle system on ios7 seem to be working different, than on ios6 and ios5. The number of particles increased. The same issue happens with all particle effects in the app. The only working solution is to check, if it is ios7 and decrease the…
roman777
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why Particle system with shader doesn't work? three.js

Hi can anyone help me whith this? I have this shader, it works with THREE.Mesh but doesn't with THREE.Particlesystem? I want each particle to have a portion of a given map(texture) and change their positions accordingly, something like this…
Memo Lestas
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Three.js - Changing particle position within a THREE.ParticleSystem Object

I have several particle system, each with around 20k vertices. I am trying to move each individual particle within the particle system to a new Vector3 which is a shape that I have mapped out. The desired effect is that on a click event, the…
synergies
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FPS drops down on iPhone 4 and 3GS

I have a problem with fps while using particles. In game I have coins which uses particles. I have tested my application on iPhone 3gs, 4, 4s, 5 and on iPad 3. FPS goes down to 30-35 on 3GS and iPhone 4. But when I stop using particles FPS goes to…
Rendel
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How to create a Raining Effect(Particles) on Android?

I am developing a 2d android strategy game, it runs on SurfaceView, so I can't(or can I?) use LibGdx's particle system. And I would like to make a raining effect, I am aiming for something like this(…
user1506630
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Particle cell counting (1D and 2D histogram generation) in CUDA

This __global__ function is to increment number and counting how many particles are in some cells. __global__ void Set_Nc_GPU_0831(int *nc,int *index,SP DSMC) { int tidx; tidx=threadIdx.x+blockDim.x*blockIdx.x; …
user1638280
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GL_POINT_SPRITE_ARB problems with rendering

I'm learning some OpenGL basics and when I decided to make a particle system I met some problems. When I'm trying to render GL_POINT with GL_POINT_SPRITE they do not show on the screen unless they are renderer first. Code I'm using for…
winglot
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Yampa Particle Field

I want to have a particle field in Yampa. The single particle should just move in a straight line, but depending on an angle given. That angle and movement speed changes depending on the player's speed and angle. I don't know how better to explain,…
Lanbo
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