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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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Javascript letters created out of smoke particles

I would like to have my title heading be created from a smoke animation using javascript. Like here this type of smoke moving to create letters but how would i be able to manipulate the smoke here?: http://jsfiddle.net/Ujz4P/1563/ How do I for…
john
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c++: Trying to save an image created to a .jpg file but the image won't open

I'm using c++ in visual studio and i have an algorithm that creates an image for the n-body simulation problem. the algorithm itself works however i need to store the image to be able to prove that it works. i have tried a lot of different ways…
TMC
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Generate Particles with different Settings at the same time HTML5

first of all im not only new in HTML5 or Canvas im new in the whole Coding Process. I used this Example http://rectangleworld.com/demos/DustySphere/DustySphere.html and tried to modify it in a way i can use it for my needs. At the moment it looks…
Trippl3
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I need to make a particle animation but the particles always start from pixel 0,0

This is the animation that I need to make: https://www.dropbox.com/s/xvyj550i43gg6wz/2015-08-24%2013.12.57.mp4?dl=0 I started working on it, using the Leonids library: https://github.com/plattysoft/Leonids Now I made a particleSystem creator, and I…
rosu alin
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Need help finding what is blocking text selection in script

I am using the following mobile-me script that can be seen here: http://lokeshdhakar.com/projects/mobileme-particles/ I have noticed that it is blocking my ability to select text on the site. For example if you use your mouse to select “Created…
codacopia
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Why do all my particles share the same rotation and color? (GLSL Shaders)

Like the title suggests, I am building a particle system in OpenGL using a geometry shader to create billboards from points. Everything seems okay but it looks like all particles share the rotation and color of the first particle. I've checked the…
shrekleton
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Flame Simulation: Particle Template Setting: (Scenekit)

How would I begin to simulate a flame with Scenekit? Is there an algorithmic preset or editor template I could use as a base from which to explore particle system (SCNParticleSystem) settings for flame like effects?
quemeful
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The canvas FPS changes on resizen the screen - Javascript

so im building a simple particle system, and i wanted to be responsive to the every screen. I use a resize script in orther to addapt the canvas to the whole browser. the problem is that when you resize the screen, the fps gets higher and higher…
Gikdew
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Confusion about ParticleSystem and Particle

I'm a beginner in threejs. I nearly read all the examples about particle system in the web , and I observe ParticleSystem and WebGLRenderer or Particle and CanvasRenderer are always used together.So I want to know whether Particle can be used in the…
user2342157
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Simple iOS particle emitter

Is there a simple way to do a bunch of 2d particle images using core animation like the star particle animation in Draw Something? Particle animation in Draw Something I found this link which get's me 90% of the way there. It shows how to emit…
Kudit
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How do I check an array against itself in java

I am trying to create a basic falling sand game in java, I have each particle store it's X and Y in a Point array. Each Point array is specific to it's element, so sand and water are two different arrays, what i would like to know is how do i check…
user1610541
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I have an issue with particles not showing up when facing the z-axis in Unity

I have an issue with particles not showing up when facing the z-axis in Unity. Youtube record I tried to rotate it and change the shape option but still the particle is invisible on the z axis. I saw other posts about unity particle, and most of…
AdHoc
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C++ Struct Members not Updating in Funtion

Firstly, while not new to programming, I am very new to C++, so please bear with me. I am using the Raylib library to attempt making a particle system for a game. This consists of a struct with a few private members and public functions: struct…
Jamz
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Making Unity Particles point away from center of emmision?

For my game I want to make a particle effect which shoots out little lightnings. For this, I set the Emission Shape to "Circle". The thing is, I can only set a start rotation, meaning half of the particles don't point in the "right" direction. I…
allesman
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How to center a "

I'm working on a Home Page with a fullscreen background with "particles" moving everywhere. The particles detect the mouse cursor and move with the mouse cursor. The Home Page has a vertically centered div with a logo. The problem occurs when the…
Mauro
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