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How to control speed of a particles?

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    How to control speed of a particles?

    Guys,
    How can I control speed of a particles?
    Regards
    smallB

    #2
    You'll need to be a bit more specific.

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      #3
      What do you mean by "Speed"? Velocity?

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        #4
        By speed I mean how fast one particle travels from A to B.

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          #5
          By adding a velocity or acceleration module.
          http://udn.epicgames.com/Three/Parti...Reference.html

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            #6
            Originally posted by smallB View Post
            By speed I mean how fast one particle travels from A to B.
            Again, be more specific.

            It depends on what A and B is in your effect. Particles can move in many different ways.
            Do you want going in a straight direction at a static speed? Do you want it to accelerate/decelerate over a certain time, or a constant? Do you want it to move in an arc or change direction? Does it fall with physics? Does it orbit? And there's many more. All of these are handled in different ways.

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              #7
              Originally posted by Graylord View Post
              Again, be more specific.

              It depends on what A and B is in your effect. Particles can move in many different ways.
              Do you want going in a straight direction at a static speed? Do you want it to accelerate/decelerate over a certain time, or a constant?
              Hi, I'd like to know to make them move in both quoted ways, that is:
              going in a straight direction at a static speed? - how to control their speed
              to accelerate/decelerate over a certain time, or a constant? - again, how to control it.

              Thank you
              smallB

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                #8
                You can set the speed and direction with initial velocity, then control it over time with velocity over life module. Velocity over life multiplies the initial velocity values so don't go crazy with that one.

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                  #9
                  ^that. Everything you want to know (and more) is in the link I dropped above.

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                    #10
                    Originally posted by ambershee View Post
                    ^that. Everything you want to know (and more) is in the link I dropped above.
                    Hi, I cannot access the link (I see just an icon), would you mind re-posting it?
                    Thank you.
                    smallB

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                      #11
                      He meant the link in his previous post...

                      http://udn.epicgames.com/Three/Parti...Reference.html

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                        #12
                        Thanks guys, really appreciate it.
                        Regards
                        smallB

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