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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Top down water view, cocos2d

Has anyone successfully created a top down view of a stream/river? I need to also work out how to make it look like a boat is cutting through the water.
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23 views

Unity Trail for Eyes 2D

i want to make some kind of an Eye Tail effect for this charakter: I found the Unity Trail Renderer effect but the start of the Trial is perpendicular to the dragged/moved direction: Can i make ...
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1answer
34 views

Axis Aligned Bilboards in shader

Hi I need to implement following effect using vertex shaders. Basically its a shader for particle laser beam that rotates to particle along its own y axis till its "best" visible (Roughly). My idea ...
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22 views

Maya users; how can I create my own particle emitter in Maya?

(Originally posted in the Programmers Stack Exchange, but was told to ask here instead. Whoops.) Before you answer this with "well, use the built-in particle emitter", read further. For one of my ...
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1answer
97 views

Libgdx particle editor absorb effect

I am trying to achieve a certain kind of absorb effect within libgdx via the particle editor. To be more descriptive: I want particles to spawn in a circle and then move towards the center point of ...
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48 views

Guidelines to create textures for materials in Unity3d

I'm facing a problem with realizing particle systems. Following many tutorials including the recent live session everything end up assigning materials to particle to get custom shape ones. What I'm ...
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98 views

LibGDX's particle emitter - Multiple particles in the same effect?

Hello everyone reading this, I've used the particle editor to edit an effect to put in my game. Is it possible to have multiple and randomly emitted images (particles) instead of one? I don't want ...
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1answer
300 views

Creating a 3D mushroom cloud [closed]

Hi I am trying to create a mushroom cloud animation for my strategy game. Something like this. I have been looking at info for creating explosions in general, and the way to go seems to be using 2D ...
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230 views

Java Graphics performance issue when drawing transparent shapes

I've started working on a game engine for fun with no external libraries. I've started creating a simple particle system and I've come to some huge performance issues. I have the following frawing ...
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150 views

How to render multiple objects as a single object for fluid simulation?

I'm trying to do fluid simulation using particles in 2d game. I have larger particles, which interactive each other physically, those particles collide with environment (e.g wall,obstacles) to ...
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99 views

Particle System Tracking

I have a particle system where instead of tracking the time each particle is alive, I just track the time of the oldest particle and the time of the youngest particle. Basically, the oldest particle ...
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1answer
318 views

Move Particle to touch position on android

I am attempting to make a Particle start moving to the position of my finger on the touch of the screen. I have been using this as the basis so far: public void update() { deltaX *= .9; ...
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190 views

Particle Effects Start Glitching out

My particle effects have gone crazy look: In my game, bombs drop on castle and then explode For the first few second of my game the particle effects for the explosion works. The particle effects ...
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110 views

Texture not visible on particles

This is the first time I am working with particles (GL_POINTS) I am using kinematic equations and controlling their movement in vertex shader. I am following an example given in OpenGL 4.0 Cookbook ...
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1answer
376 views

How can I set a system's emission rate using Particle Designer 2.0?

In cocos2d-iphone (2.1), CCParticleSystem has a property called emissionRate. Is there any way to set it using Particle Designer 2.0? I've tried all the various settings but there doesn't seem to be ...
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0answers
142 views

Particle trajectory smoothing: where to do the simulation?

I have a particle system in which I have particles that are moving to a target and the new targets are received via network. The list of new target are some noisy coordinates of a moving target stored ...
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1answer
192 views

CCParticleSystemQuad works as intended every second time

I'm using CCParticleSystemQuad for particles, loading it from plist: flourEmitter = [CCParticleSystemQuad particleWithFile:@"FlourParticles.plist"]; But it works not every time. Every second or ...
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1answer
353 views

2D Particle Physics [closed]

I am wanting to write small Particle and ParticleEmitter Classes for a HTML5 Canvas Game (Though, just discussing it in pseudo code is fine) I am not great, at all, at Physics, and I don't want to ...
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486 views

Libgdx Particle Editor: Blank UI elements

How can I get Libgdx Particle Editor to run properly on my 32-bit Windows 7 machine? When I run it, the UI elements are blank like this:
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1answer
4k views

Unity Particle System collision detection problem

I'm using Unity 3.5.5f3 wich has the Shuriken particle system. I've made a blood particle system based on Unity's demos. (Exploding paint [Blood]) The blood is flowing and when it collides with a ...
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3answers
452 views

Which should be faster: 10 flat shaded polygons or 2 with a transparent texture

I have particle system, and I want to the individual particles to take the shape of a star. Which should be faster: Drawing the 10 polygons using a flat shader, or 2 polygons (a square) with a ...
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2answers
184 views

Blood particles system,join particles

Does anyone know how the particles behave in the following picture? Let me explain,before the particles join they seem to be just simple textures of blood drops with a black border around them ,...
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2answers
249 views

Best practice for handling “dead” objects and their particles

I'm developing a side-scrolling run'n'gun game (but with planes! :P). I'm an experienced coder, but new to game development. When an enemy plane collides with a friendly missile, I start an explosion ...
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1answer
544 views

Why are my geometry-shader-generated billboards not showing up given the following code?

My program is a rain particle system. After processing a list of positions of rain particles, I passed them to the geometry shader for generating a billboard for each position. If I use a simple ...
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1answer
97 views

How to program destructibles?

I'm thinking about programming a 2d simulation of a spaceship that takes damage depending on where the projectile came from (e.g. from behind - engine, from the front - lasers, sides - hull, etc.). ...
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1answer
207 views

Making particles accelerate toward a mouse point

I'm currently working on a particle simulation program that makes pixels move towards a mouse point continually accelerating, but i'm running into some math issues. Currently my particle will ...
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1answer
90 views

Particle system: BlendMode of particle's draw call

I noticed by reading some tutorial around the web, that when dealing with particle systems, you can both use these approces: Black background on the single particle and additive mode as blending ...
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1answer
145 views

Generating and rendering not point-like particles on GPU

Specifically I'm talking about particles as seen (for example) in the UE4 dev video here. They're not just points and seem to have a nice shape to them that seems to follow their movement. Is it ...
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1answer
81 views

Translate velocity to mouse curos position

I have particles, with a velocity (x and y) per tick. I would like to to make my cursor a gravity force, so particles fly to the cursor's position. How can I apply gravity (that is towards my cursor ...
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1answer
135 views

How to rotate libGDX particle to face the direction of movement

I'm creating spark particle effect so I created simple horizontal spark texture. Here is what I currently have If I change rotation property, I get this But i want to rotate particle to face ...
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1answer
188 views

Use spritesheet frames as particles?

I want to use frames from a spritesheet as particles for my emitter. I load my spritesheet with : game.load.spritesheet('particles_sheet', 'http://stuff.lck.io/luckyslot/sprite_sheet.png', 50, 50, 6)...
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1answer
958 views

How to create particle system by script

I have created a gameObject called "Sphere". After 5 secs the gameobject starts rotating. Along with the rotation I need to emit partical from the object. How can I do this?
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1answer
362 views

How to create soft Icecream like particles with Liquidfun and Corona

Currently using the "elastic" flags for particle behavior, which looks decent when it is flowing downwards but when the icecream collects in cup it is too liquidy. Also this gives it a springy bounce ...
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1answer
11k views

How to enable/ disable GameObject

I have child object with ParticleSystem component. I want to have particles disabled until I press button. I unchecked child object to make it disabled but when I press play it enables automatically(...
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1answer
122 views

Blending issue with framebuffer

I'm trying to get some particles to work properly - they should blend among themselves but not with the background color. For this I'm using additive blending, textures with premultipled alpha and set ...
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1answer
532 views

Particle movement in three Dimensions

I have created a particle system which movement is controlled by a flow field over perlin noise - Available here. I would be very thankful for any ideas and tips how to control their movement on the ...
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1answer
183 views

Particles placed in the middle of the screen (OpenGL ES 2 / Android)

It seems like each of my particles is placed at (0, 0, 0) even though I'm setting different positions for each of them (debugger also confirms this). It must be something really silly that I'm missing....
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1answer
185 views

Pygame Particle Emitter Problems

so I've been trying to create a basic particle system in pygame which I can later expand upon but I've run into a spot of bother creating the particle emitter. Obviously what's supposed to happen is ...
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1answer
871 views

UDK ParticleSystem Problem

I use below code to create my particles ( in fact, I don't know any other way.) spawnedParticleComponents = WorldInfo.MyEmitterPool.SpawnEmitter(ParticleSystem'ParticleName', Location, Rotator ); ...
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1answer
234 views

How can I keep straight alpha during rendering particles?

Rencently,I was trying to save textures of 3D particles so that I can reuse the in 2D rendering.Now I had some problem with alpha channel.Some artist told me I that my textures should have ...
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1answer
245 views

World Location issues with camera and particle

I have a bit of a strange question, I am adapting the existing code base including the tile engine as per the book: XNA 4.0 Game Development by example by Kurt Jaegers, particularly the aspect that I ...
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1answer
2k views

How should I design my particle system to make it easy to add new particle effect types?

Recently I started designing a particle system for a game I develop. But I have some issues with it. I mean, it works but I have a feeling that my design isn't good enough. So, basically I have a ...
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0answers
30 views

How to properly Start Stop a Particle System?

I'm using Unity 5.3x for a game. I've a Prefab with the following structure hirerchy of object MyPrefab -> MyContainer -> NitroEffect -> NitroFlamethrowerFire I'm having problem on how to Play Stop ...
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54 views

Static smoothed particle hydrodynamics

I'd like to create a browsable universe based on simulation data, pretty much replicating what is shown here. Right now I'm investigating doing this all in Unity using the default particle system, ...
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0answers
61 views

Is it possible to emit particles from a part of a mesh?

In Unity it's possible to emit particles from a Mesh using the legacy particle system. However: Is it possible to emit particles from only a part of a mesh, for instance to emit particles only from ...
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102 views

Firing particle systems on prefab objects

In my game, I Instaniate several of the same prefabs for a group of player controlled characters. The prefab contains child objects with particle systems attached. For example one of the particle ...
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1answer
411 views

Damping in Unity Shuriken Particle System

Is there no damping functionality in Unity Shuriken Particle? "Velocity Over Lifetime" is different from damping. I try to find it on particle system, but can't. Or is there any other way to apply ...
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1answer
171 views

PointSprite in DirectX9

I was trying to implement a particle system using PointSprites. Draw calls return D3D_OK but I don't see any particle on the screen. I'm not using Vertex Buffer for the particles, but I use two ...
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1answer
156 views

Slick2D re-starting particle system/emitter

I am trying to use a particle system/emitter in Slick2D to produce a thrust jet from a space ship. I can get the emitter running continuously without any problem, however I can't get it to run for a ...
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101 views

Particle friction with variable timestep in XNA

Alright, so I'm working on an engine of sorts in XNA (yes, it's deprecated, I know) and I'm implementing my own particle system. I've defined a "ParticleEffect" such that when it's supplied a GameTime ...