FAQ Database Discussion Community

invert the direction of a particles in matlab

i have a problem with an algorithm, i have a space with x,y coordinates and a low and upper bound. I have also some particles within this space free to move. I want that any particle remains into my space and if one of those are moving out the bounders...

particle effect display badly ripple on the android

I am creating particle effect to simulate the street lamp. It looks good and smoothly on the ios and pc but there is some ring like the ripples on the android platform. Is there any thing I can do to fix it? Please check the screen shot for the detail....

Trying to make a simple falling ball program

This is what I have so far. It tells me that I have a syntax error on the lines marked below, saying that it expected a "{" and a "}" respectively, without the double quotes around them. Any suggestions? public class attempt1 { //use Euler-Richardson algorithm //defining the initial conditions...

Unity - Particles emitting non-random

I am trying to find a way to emit particles in a non-random direction around and away the object. Using the Cone shape, with an angle of 90, the particles fly away from the object, which is good. However, the particles are emitted at a random point, as seen here....

How to draw each a vertex of a mesh as a circle

How to draw each a vertex of a mesh as a circle?

Making an asteroid explosion with asteroid bits [closed]

How do I make the asteroid explode with small bits exploding outward? I'd need a texture animation for the asteroid cracking, but I'm not sure how to use the particle emitter to have random sized asteroid bits fly out. And would these bits collide and bounce off other objects? http://www.startalkradio.net/wp-content/uploads/2013/05/asteroid-and-white-dwarf.jpg...