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    Particle System Direction Change

    How To... ?
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    • gapworks
      gapworks last edited by

      Dear all , i created a little particle system patch in quartz composer. exported it and it works fine in isadora. the only thing i wouuld need to change is the direction. right now the particles fly from the mouse.

      what i would need is the opposite direction. towards the cursor! any hints? i attached the quartz file!
      best
      p.

      307c0d-fly.zip

      Running MBP2017 / Osx 10.14.5 / 16 GB 2133 MHz LPDDR3 / Intel HD Graphics 630 1536 MB / Latest Isadora Version / www.gapworks.at / located in Vienna Austria

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      • Skulpture
        Skulpture Izzy Guru last edited by

        If the mouse XY position is the point at which the particles are generated from then where would you want them coming from instead?

        Graham Thorne | www.grahamthorne.co.uk
        RIG 1: Windows 11, AMD 7 Ryzen, RTX3070, 16gig RAM. 2 x M.2 SSD. HD. Lenovo Legion 5 gaming laptop.
        RIG 2: Windows 11, Intel i19 12th Gen. RTX3070ti, 16gig RAM (ddr5), 1x M.2 SSD. UHD DELL G15 Gaming laptop.
        RIG 3: Apple rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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        • gapworks
          gapworks last edited by

          From the Outside towards the Mouse! The idea is to track the dancer onstage and the flies come towards the dancer. The mouse will be replaced with a sensor or camera.

          Running MBP2017 / Osx 10.14.5 / 16 GB 2133 MHz LPDDR3 / Intel HD Graphics 630 1536 MB / Latest Isadora Version / www.gapworks.at / located in Vienna Austria

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          • Skulpture
            Skulpture Izzy Guru last edited by

            I am not trying to be awkward but there are 4 sides to a stage/video: left, right, top, bottom.

            So would you want the particles to emit/start from one side at a time? Or perhaps all sides?

            Graham Thorne | www.grahamthorne.co.uk
            RIG 1: Windows 11, AMD 7 Ryzen, RTX3070, 16gig RAM. 2 x M.2 SSD. HD. Lenovo Legion 5 gaming laptop.
            RIG 2: Windows 11, Intel i19 12th Gen. RTX3070ti, 16gig RAM (ddr5), 1x M.2 SSD. UHD DELL G15 Gaming laptop.
            RIG 3: Apple rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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            • gapworks
              gapworks last edited by

              all sides would be great! like a swarm of flies attacking the dancer...

              Running MBP2017 / Osx 10.14.5 / 16 GB 2133 MHz LPDDR3 / Intel HD Graphics 630 1536 MB / Latest Isadora Version / www.gapworks.at / located in Vienna Austria

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              • Skulpture
                Skulpture Izzy Guru last edited by

                Now I get you :) OK could be tricky....

                Graham Thorne | www.grahamthorne.co.uk
                RIG 1: Windows 11, AMD 7 Ryzen, RTX3070, 16gig RAM. 2 x M.2 SSD. HD. Lenovo Legion 5 gaming laptop.
                RIG 2: Windows 11, Intel i19 12th Gen. RTX3070ti, 16gig RAM (ddr5), 1x M.2 SSD. UHD DELL G15 Gaming laptop.
                RIG 3: Apple rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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                • DusX
                  DusX Tech Staff last edited by

                  You could generate a random slope, then use the slope to calculate a coordinate that is X units from the mouse (being that you want X to remain constant).
                  Start your particle at the co ordinate and set it to move in the direction of the current mouse position and fade out over Y milliseconds... (you might have to play with the time to get a nice effect.)
                  If you create all your particles in this fashion.. they will appear to follow the mouse coming in from a surrounding circle.
                  You will need to ensure that you are creating them very quickly to have a nice effect.

                  You can make them follow your mouse, if you make them more complex, using basic physics. This type of thing can be taken pretty far.

                  Troikatronix Technical Support

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                  • gapworks
                    gapworks last edited by

                    @DusX .. i really appreciate your hint but i´m a designer not a programmer ! so to be honest i have no clue where to start with your description. :(

                    Running MBP2017 / Osx 10.14.5 / 16 GB 2133 MHz LPDDR3 / Intel HD Graphics 630 1536 MB / Latest Isadora Version / www.gapworks.at / located in Vienna Austria

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                    • R
                      Reinhard last edited by

                      It's my first post, so

                      Hello Forum,
                      great to have all you nice and helpful people here!
                      @gapworks: Couldn't get your "attacking the dancer" out of my head, so here's something that might help.
                      It's particles generated on a circle that is 'out of sight' and they then fly towards the center and die there.
                      With x,y translate you then move the whole 'system' according to the mouse watcher.
                      All the best
                      Reinhard

                      274e95-particle-to-mouse.izz

                      mbp 16", 2021, m1pro, 16gb, 12.6 / 6core trashcan, 11.2 / youngest Izzy

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                      • gapworks
                        gapworks last edited by

                        @ Reinhard...Your patch is just what i was looking for!! Thank you so much!! I post my final fly result , promise!!

                        Running MBP2017 / Osx 10.14.5 / 16 GB 2133 MHz LPDDR3 / Intel HD Graphics 630 1536 MB / Latest Isadora Version / www.gapworks.at / located in Vienna Austria

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                        • R
                          Reinhard last edited by

                          Glad I could help.

                          Needed to google 'Trigonometry' to find the solution...
                          best
                          r

                          mbp 16", 2021, m1pro, 16gb, 12.6 / 6core trashcan, 11.2 / youngest Izzy

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                          • gapworks
                            gapworks last edited by

                            @ reinhard But i still have a Question it seems :( i sent you a pm

                            Running MBP2017 / Osx 10.14.5 / 16 GB 2133 MHz LPDDR3 / Intel HD Graphics 630 1536 MB / Latest Isadora Version / www.gapworks.at / located in Vienna Austria

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                            • Skulpture
                              Skulpture Izzy Guru last edited by

                              Clever I would never have worked this out! Thanks for sharing.

                              Graham Thorne | www.grahamthorne.co.uk
                              RIG 1: Windows 11, AMD 7 Ryzen, RTX3070, 16gig RAM. 2 x M.2 SSD. HD. Lenovo Legion 5 gaming laptop.
                              RIG 2: Windows 11, Intel i19 12th Gen. RTX3070ti, 16gig RAM (ddr5), 1x M.2 SSD. UHD DELL G15 Gaming laptop.
                              RIG 3: Apple rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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                              • keftaparty
                                keftaparty last edited by

                                Hi

                                An other workaround, looking quite different.

                                It of course needs tuning, but I wanted to test the idea.
                                It's based on gravity and rotation of the 3d space.
                                Mehdi

                                1a6ddf-particle-attack.izz

                                ...
                                Mehdi Toutain-Lopez
                                www.toutain-lopez.com

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                                • R
                                  Reinhard last edited by

                                  @ Mehdi - that's a hard one to scale...

                                  And this way you will never have a precise point of impact, it will always be in infinity.
                                  You can play with start/mid size and fade-in/hold time in mine to give it a bit of a 3d-ish look. 5/1 and 9/1 is a starting point.
                                  @ Skulpture - Izzyguru said 'clever' - you made my day! Thanks!
                                  best
                                  r

                                  mbp 16", 2021, m1pro, 16gb, 12.6 / 6core trashcan, 11.2 / youngest Izzy

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                                  • Skulpture
                                    Skulpture Izzy Guru last edited by

                                    @Reinhard credit due where credit is due! ;)

                                    Graham Thorne | www.grahamthorne.co.uk
                                    RIG 1: Windows 11, AMD 7 Ryzen, RTX3070, 16gig RAM. 2 x M.2 SSD. HD. Lenovo Legion 5 gaming laptop.
                                    RIG 2: Windows 11, Intel i19 12th Gen. RTX3070ti, 16gig RAM (ddr5), 1x M.2 SSD. UHD DELL G15 Gaming laptop.
                                    RIG 3: Apple rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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                                    • primaldivine
                                      primaldivine last edited by

                                      @Reinhard

                                      [He is no fool who gives what he cannot keep to gain what he cannot lose.](http://www.brainyquote.com/quotes/quotes/j/jimelliot189244.html "view quote")
                                      [(Quote-Jim Elliot)](http://www.brainyquote.com/quotes/quotes/j/jimelliot189244.html "view quote")

                                      SO lovely, and generous. Thanks Reinhard! That is beautiful.

                                      Pro-User Latest Beta - MacBook Pro i7 2.66GHz SSD
                                      www.jamiegriffiths.com Arctic Canada
                                      www.chickweedarts.com

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                                      • Skulpture
                                        Skulpture Izzy Guru last edited by

                                        We may be the IzzyGuru's but we certainly don't know everything. Isadora is an endless spiderweb of possibilities and creativeness. So when someone creates something unique it deserves recognition. :)

                                        Graham Thorne | www.grahamthorne.co.uk
                                        RIG 1: Windows 11, AMD 7 Ryzen, RTX3070, 16gig RAM. 2 x M.2 SSD. HD. Lenovo Legion 5 gaming laptop.
                                        RIG 2: Windows 11, Intel i19 12th Gen. RTX3070ti, 16gig RAM (ddr5), 1x M.2 SSD. UHD DELL G15 Gaming laptop.
                                        RIG 3: Apple rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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                                        • Armando
                                          Armando Beta Gold last edited by

                                          Really. I'm amazed  by what my Izzy students and you guys could do for the last 10 years.


                                          Armando Menicacci
                                          www.armandomenicacci.net
                                          www.studiosit.ca

                                          Macbook pro 16 inches 2022 64 GB RAM, M1 MAX. OS 13 Ventura

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                                          • R
                                            Reinhard last edited by

                                            Thanks!

                                            But I have to give credit to @DusX for his comment, that pushed my thoughts into the right direction!
                                            best
                                            r

                                            mbp 16", 2021, m1pro, 16gb, 12.6 / 6core trashcan, 11.2 / youngest Izzy

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