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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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CUDA kernel strange behavior, generating random values

I'm trying to simulate a spring-mass system with CUDA. Below is the kernel that updates the position of the particles: __global__ void timestep(float3 *pos, float3 *pos_antiga, float3 *aceleracao, int numParticulas) { int index = threadIdx.x +…
Herleson Pontes
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Code does not add new effect in Particle Effect

I followd this tutorials on particle effect for memory management particle effect tutorial im having a problem with obtaining the effect public class GameTouch implements Touchable, Disposable { private OrthographicCamera cam; private SpriteBatch…
Spurdow
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Z-buffer issue with BufferGeometry in ParticleSystem

In my application I'm having troubles with the z-buffer. I have a ParticleSystem in which the dots have a texture to look like spheres. But there are two problems which I can't solve at the same time.... Either the spheres were sorted right in…
PanChan
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ParticleSystem initially inactive

As far as I understand particle system will start emitting once it's added to parent node. How can I add it to parent but not start it, so initially it will be inactive? Then whenever I need I can use resetSystem.
Pablo
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random number generator and uniform distribution

I'm trying to build simple particle system, I'm beginner c++ coder. I have problems probably with random number generator but I'm not sure if I did not make some logic error in my code. I tried to made simple explosion like effect. All particles…
user1692950
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Particle Systems Tutorial/Intro in Three.js

I've been trying to find some good tutorials on particle systems in Three.js, but haven't been able to find anything noteworthy. Is there a particle engine that would be easy to use for it, perhaps with some good intro stuff and documentation? Also,…
Skorpius
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jQuery Random Particles Overlay on Element?

I'm wondering is it possible to achieve following effect via jQuery http://www.youtube.com/watch?v=Zlb6o_R_WoI So particles overlay image, are random fade in and out etc? I've looked for plugins or experiments, but wasn't able to find anything…
Ilja
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State preserving particle system for OpenGL ES 2.0

I'm trying to implement a state preserving particle system on the iPhone using OpenGL ES 2.0. By state-preserving, I mean that each particle is integrated forward in time, having a unique velocity and position vector that changes with time and can…
hanno
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Particles around a sprite

I'm new to the CoCos2D development. I have checked out some tutorials and went on trying to develop a little idea. I have checked some partical tutorials and it all looks nice but I still have some questions about it. I have seen how to call a…
Kaizer
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XNA Particle System problems

Ive been making a particle system in XNA and i am trying to create two particle effects. a firework explosion and a fountain firework. the problem i am having is that when i add new particles to the explosion (im doing this fast because i want them…
dtothef
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what kind of effects were used for that visual particle swirl effect?

one of my client asks me such effect for his interactive presentation : http://vimeo.com/36466564 Can someone give me some tips about what kind of effects (particles, swirl, displacements) were done for that ? (It must be done using FLASH )
yarek
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how to do particles texture mapping with three.js shaderMaterial?

what I'm trying to achieve is having a particle system where each particle have a portion of a given texture. Below is a example of a particles's buffergeometry using a shader material. so far I can make it look almost as it should, nonetheless, I…
Memo Lestas
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Different Particles Editor for LibGdx

I'm a newbie in 2d game programming. I currently use for my project libgdx framework. I want create particles effect but the particle editor that came with library is not very easy for me. Is there a possibility to use different program to create…
sintetico82
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Particle system - chimney smoke movement direction

So ive been looking and changed code on this Particle system for a while now FIDDLE I've tried to play around with the calculation for the particle movement with: 'left' : canvas_width * Math.floor(Math.random() * 101) / 100, 'top' : canvas_height *…
user1231561
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OGRE - Create particle system

Im sorry in advance if this is a stupid question but I just cant seem to find the answer. I am working on a project in Ogre and what I need is to create a Particle System but instead of using the examples provided by OgreOde, I want one of my own.…
Akash
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