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Questions tagged [particles]

Particle in computer graphics usually refers to the small, simple images or 3D models (meshes) that are governed by and make up a particle system, usually used to depict a fuzzy object (e.g. fire, smoke, glowing trail left behind by a meteor).

Particle (in computer graphics)

Particles are small units that together represent a fuzzy object in a particle system. Over time the system generates particles, which move and change from the origin of creation (or emission) and eventually die or fade away. Link to academic paper

Particle can have a different meaning depending on if the field is computer graphics, nanotechnology, or physical sciences

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setTexture in three.js performance issues

When I am changing the texture of my mesh, on some computers, the application freeze for like half a second. I do that on 100 different mesh. On the Chrome profiler I see that the Three.js method setTexture is on top of the CPU usage. The method I…
BaptisteB
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Programming 3d particle collision

I have a part in my code where I have two particles collide in an elastic collision. I know the masses and radii of both the particles. I know the center points of both the particles when they collide. I know the velocities (including direction) of…
user1216527
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Particle Designer setting background image

First of all, I am newbie iPhone developer. I am using Particle created from Particle Designer(.pex file)(71squared). My application is not cocos2d. How to set the background image. My application has a image in background and adding this particle…
Murali Patteboyina
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Stopping image movement

okay, so i have my image move straight down along the y axis whenever i click the mouse, my only problem is i don't know how to get it to stop when it hits the bottom of the screen, can someone please help? import java.awt.Point; import…
user1610541
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Particle system Array

so I've been working on getting my boxes to save their position in an array all day and finally thought i came up with something (with a lot of help from you guys) and it just isn't working... can someone please tell me why? Control class: import…
user1610541
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How to solve the number of game frame decreased when we use Particles / Additive texture mapping?

The game engine:unity3D The number of game frame decreased significantly, when we use Particles / Additive texture mapping and the tga format picture with Plane model which has the channel and alpha in the scene. PS: We use the version: 3.5.0 and…
sudogame
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Javascript particle animation around a ring

Hi fellow stackoverflowers! I'm building a particle animation in Javascript where I want all the particles to go in the direction to the center of the canvas and form a ring around the text. However, my code so far forms a square (most probably…
abmirayo
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GLSL particle's rendering (premult)

I have been trying to get a particle rendering library to work with my shaders. It works perfect with fixed function and I know the result I am aiming for. I am just unsure how to do the final blending bit. It packs the particle life like this into…
user1595145
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Particles with CSS and JavaScript

I'm trying to create something like a very simple particle system. No physics required at this point, just divs that are animated to look like bubbles, or bees, or whatever. The code below creates the divs and through CSS I can make them change…
glebski
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iPhone game development with Cocos2d: how to generate a cool light effect when an entity gets hit?

Abused topic considering the posts (e.g this or this) but I still don't quiet manage to get what I want. I am working on a shooter game and I would like to light up my enemies when they get hit (as well as the player). If I run the following my…
mm24
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jQuery simple particles similar to me.com

I have a project for a client of mine. It involves something similar to the old me.com homepage (no longer up) It looked similar to this though http://lokeshdhakar.com/projects/mobileme-particles/ I want to use HTML CSS JQUERY, and not flash ( she…
MuhuPower
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Android Min3d doesn't support particle effect?

I want to make a 3d game on the android. So I chose the min3d framework. But now I found that the min3d doesn't support the 3d effect (particles and material animations). I dissapointed with the min3d, and going to change the framework. Please help…
sky1224
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Using color images as particle images in cocos2d (using Particle Designer)

I want to use a full color PNG image as a particle in cocos2d with an emitter designed in ParticleDesigner. I dragged in the image I want to use and set-up everything how I want it in ParticleDesigner and it looks good. Problem is when I import…
Dustin
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collision between a particle array and a box

Im working on a school project and I need to get collision between an array of particles and a box, here is my current code: for(var i : int = 0; i < particles.length; i++) { particles[i].update(); if(Particle.hitTestPoint(Square)) { …
FieryAvocado
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HTML5 Particle effect

I am trying to create a similar effect as seen here: http://timothypoon.com/blog/2011/01/19/html5-canvas-particle-animation/ However, I can't seem to get this to work on my page and I would like to apply this effect in a div that contains an image.…
imperium2335
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