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    Particle System Direction Change

    How To... ?
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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: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
      RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
      RIG 3: Apple Laptop: 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 / Ventura Osx 13.6.7 / 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: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
          RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
          RIG 3: Apple Laptop: 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 / Ventura Osx 13.6.7 / 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: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
              RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
              RIG 3: Apple Laptop: 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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                Running: Win 11 64bit, i7, M.2 PCIe SSD's, 32gb DDR4, nVidia GTX 4070 | located in Ontario Canada.

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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 / Ventura Osx 13.6.7 / 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 / Ventura Osx 13.6.7 / 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 / Ventura Osx 13.6.7 / 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: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                            RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                            RIG 3: Apple Laptop: 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: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                                  RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                                  RIG 3: Apple Laptop: 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: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                                      RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                                      RIG 3: Apple Laptop: 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.studiosit.ca
                                        MacBook Pro 16-inch, 2021 Apple M1 Max, RAM 64 GB, 4TB SSD, Mac OS Sonoma 14.4.1 (23E224)

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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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