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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Bounding box for C++ particle system not working

I have created a particle system in c++ using Qt which includes gravity. I would like to include a bounding box so that the system can also include collisions however I cannot seem to get it to work. Here is my .h code: typedef struct { int…
maria
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Particle System Packs for SceneKit / Xcode?

Is anyone aware of some pre-built particle system emitter collections / packs for SceneKit / Xcode? I.e. .scnp particle files. Free or professional, I just want some pre built options with images to play with. I am able to find a bunch of packs for…
benco
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'OnParticleCollision ' does not work in webgl build

using UnityEngine; using System.Collections; public class ParticleSystemCollisionManager : MonoBehaviour { void OnParticleCollision(GameObject other) { // work on pc build, webplayer build //when switch to webgl build, it work…
tim
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Unity 5.3 Setting Particle System Emission Rate not changing

I checked the documentation which I found nothing to show how to change of my Emission Rate in my Particle System and I checked Reddit and found nothing. This is what I am trying to change : The code I am using that I thought would work is this…
JoeyL
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Multitude of C++ objects from permutations on finite set of base classes

I am developing a kind of theoretical particle system that creates compound particles (objects) from basic building blocks (classes). To illustrate, consider the following set of classes: class A; class B; class C; .... class Z; That form the…
Adl A
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SKParticle File In single view application? (Xcode and swift)

I have made a simple game in the single view application pain of Xcode. I want to have a particle file running in the background so the background looks like stars. can this be done in the single view application mode? if so how can it be…
user5740195
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Unity Particle System is rendering outside a masked viewport

I have a ScrollView with a working mask that block images, text etc when not in the viewport (visible area). The problem I have is that ALL particles sytems are ALWAYS rendering and visible on screen, whether they are part of the viewport or not. I…
Philip
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how to display text in iOS as a fire using particle system

I am making a game wherein I need to show score text written with fire animation one letter at a time. I am aware of the particle system in iOS but how do I plug it in to say an uttextview ? If anybody can provide some sample code it will be of…
Nav
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Particle system not emitting particles in game mode? (+extra information)

Situation: 3D Game - I want a lava pool with bubbles, so the particle system got a parent. (the pool) My problem is that my particle system isn't emitting particles automatically, if I instantiate them. A few information: The bubbles are blocked by…
Tudvari
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Smoothly Looping Periodic Trigonometric Functions

Unfortunately, I'm a novice programmer but a relatively experienced mathematician. I wanted to get into developing games, and I think I've almost mastered the basic linear algebra mathematics behind some things like OpenGL. Unfortunately, I don't…
Decaf-Math
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Need help on speeding up a particle system (or how to ask turtles not to ask other turtles.)

As a toy, it works well but obviously, when It scales up it bogs down. How can I do this system without asking turtles to ask the other turtles? the code is thus. to go ask turtles [ ask other turtles [ set heading…
King-Ink
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Unity Particle System appearing behind other sprites

I have a particle system BloodSpill that is Instantiated when the player dies by: Instantiate(bloodSpillEffect, transform.position, transform.rotation); However, it will appear behind all other sprites (background, ground etc.) NO MATTER what I do.…
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What does using leapfrog integration accomplish in particle simulations?

I have been working on a particle simulation in Java, and I'm a bit confused about leapfrog integration. I read that it "conserves energy" and took that to mean that my particles would no longer sling-shot off at absurd speeds when their separation…
pyjamas
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How can I quickly calculate particle attributes?

Firstly can I say I have only a very basic knowledge of maths / three.js / webgl, so sorry if some of these questions sound daft! Anyway, I want to make a particle system - something like this: https://www.youtube.com/watch?v=jwCAsyiYimY As I make…
garyconstable
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Particle system running slowly

here is update function. As soon as i turn update on my program gets slower. I'm not even able to render 25000 particles at a time. Voxels is a 3 dimensional array. How to i change my update function so that the calculations is done faster. i want…
spuemaacne
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