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hyperPad

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  3. Find the Collision Point: HOW?

Find the Collision Point: HOW?

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  • iTap DevelopmentI iTap Development

    @Deeeds but why not have one of the colliding objects play it, with an anchor of the the collide point? More efficient.

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    Deeeds
    wrote on last edited by Deeeds
    #9

    @iTap-Development How do you create an anchor at the collide point? The anchor point is in percentages, the collision point is in units.

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    • D Deeeds

      @iTap-Development How do you create an anchor at the collide point? The anchor point is in percentages, the collision point is in units.

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      Deeeds
      wrote on last edited by Deeeds
      #10

      @iTap-Development more to the point, why should I need to do such ridiculous maths to find and then USE a location of a collision? If collision points aren't the single most important piece of information a physics library ever produces, they're second.

      iTap DevelopmentI 1 Reply Last reply
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      • D Deeeds

        @iTap-Development more to the point, why should I need to do such ridiculous maths to find and then USE a location of a collision? If collision points aren't the single most important piece of information a physics library ever produces, they're second.

        iTap DevelopmentI
        iTap DevelopmentI
        iTap Development
        wrote on last edited by
        #11

        @Deeeds I’m confused...what’s the difference between collide pout and collision point?

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        • iTap DevelopmentI iTap Development

          @Deeeds I’m confused...what’s the difference between collide pout and collision point?

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          Deeeds
          wrote on last edited by Deeeds
          #12

          @iTap-Development Nothing. Where a collision happens is where some things have collided.

          iTap DevelopmentI 1 Reply Last reply
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          • D Deeeds

            @iTap-Development Nothing. Where a collision happens is where some things have collided.

            iTap DevelopmentI
            iTap DevelopmentI
            iTap Development
            wrote on last edited by
            #13

            @Deeeds but before you said one was percentage and one was units?

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            • iTap DevelopmentI iTap Development

              @Deeeds I’m confused...what’s the difference between collide pout and collision point?

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              Deeeds
              wrote on last edited by
              #14

              @iTap-Development From memory, Chipmunk produces collision objects that report the location of collisions on the involved objects and world space. I'm not sure why something like this hasn't been surfaced in a welcoming, enjoyable, endearing and empowering way, regardless of how Chipmunk handles collisions.

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              • iTap DevelopmentI iTap Development

                @Deeeds but before you said one was percentage and one was units?

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                Deeeds
                wrote on last edited by
                #15

                @iTap-Development anchor points are in percentages.

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                • iTap DevelopmentI iTap Development

                  @Deeeds but before you said one was percentage and one was units?

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                  Deeeds
                  wrote on last edited by
                  #16

                  @iTap-Development sorry, typo.

                  iTap DevelopmentI 1 Reply Last reply
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                  • D Deeeds

                    @iTap-Development sorry, typo.

                    iTap DevelopmentI
                    iTap DevelopmentI
                    iTap Development
                    wrote on last edited by
                    #17
                    This post is deleted!
                    iTap DevelopmentI 1 Reply Last reply
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                    • iTap DevelopmentI iTap Development
                      [[topic:post-is-deleted]]
                      iTap DevelopmentI
                      iTap DevelopmentI
                      iTap Development
                      wrote on last edited by
                      #18

                      @Deeeds just checked, it looks like output is world units. So you would have to convert for play particle. That sucks.

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                      • iTap DevelopmentI iTap Development

                        @Deeeds just checked, it looks like output is world units. So you would have to convert for play particle. That sucks.

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                        Deeeds
                        wrote on last edited by
                        #19

                        @iTap-Development I don't understand what you're saying. World Units are the useful ones, I thought. Given that, I can move an object to that point and do something with it.

                        Without the edge information and absolute coordinates on that edge (of an object) relative information is of little to no use. That I can think of. Polygon shapes in hyperPad have too many problems anyways... no way to snap lines to angles, etc.

                        iTap DevelopmentI Aidan_FireA 2 Replies Last reply
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                        • D Deeeds

                          @iTap-Development I don't understand what you're saying. World Units are the useful ones, I thought. Given that, I can move an object to that point and do something with it.

                          Without the edge information and absolute coordinates on that edge (of an object) relative information is of little to no use. That I can think of. Polygon shapes in hyperPad have too many problems anyways... no way to snap lines to angles, etc.

                          iTap DevelopmentI
                          iTap DevelopmentI
                          iTap Development
                          wrote on last edited by
                          #20

                          @Deeeds ok...I guess I’m confuse too🤷‍♂️

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                          • D Deeeds

                            @iTap-Development I don't understand what you're saying. World Units are the useful ones, I thought. Given that, I can move an object to that point and do something with it.

                            Without the edge information and absolute coordinates on that edge (of an object) relative information is of little to no use. That I can think of. Polygon shapes in hyperPad have too many problems anyways... no way to snap lines to angles, etc.

                            Aidan_FireA
                            Aidan_FireA
                            Aidan_Fire
                            wrote on last edited by Aidan_Fire
                            #21

                            @Deeeds For the long rectangle: Collided with object → spawn particle object (anywhere) + broadcast two messages, one with x value one with y value of the Collided output.

                            For the particle object: Receive broadcast messages → move to coordinates given → start particles → destroy object.

                            I wouldn’t even try to use a custom anchor lol.

                            Jack de WildeJ 1 Reply Last reply
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                            • Aidan_FireA Aidan_Fire

                              @Deeeds For the long rectangle: Collided with object → spawn particle object (anywhere) + broadcast two messages, one with x value one with y value of the Collided output.

                              For the particle object: Receive broadcast messages → move to coordinates given → start particles → destroy object.

                              I wouldn’t even try to use a custom anchor lol.

                              Jack de WildeJ
                              Jack de WildeJ
                              Jack de Wilde
                              wrote on last edited by
                              #22

                              @Aidan-Oxley why use broadcast/receive? Can't you just spawn the particle directly at the point with spawn on area?

                              Aidan_FireA 1 Reply Last reply
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                              • Jack de WildeJ Jack de Wilde

                                @Aidan-Oxley why use broadcast/receive? Can't you just spawn the particle directly at the point with spawn on area?

                                Aidan_FireA
                                Aidan_FireA
                                Aidan_Fire
                                wrote on last edited by
                                #23

                                @Jack8680 Yep. Heaps better idea.

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                                • Aidan_FireA Aidan_Fire

                                  @Jack8680 Yep. Heaps better idea.

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                                  Deeeds
                                  wrote on last edited by
                                  #24

                                  @Aidan-Oxley Is this really the best way to create a particle system at a collision point?

                                  CC @Jack8680

                                  Jack de WildeJ 1 Reply Last reply
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                                  • D Deeeds

                                    @Aidan-Oxley Is this really the best way to create a particle system at a collision point?

                                    CC @Jack8680

                                    Jack de WildeJ
                                    Jack de WildeJ
                                    Jack de Wilde
                                    wrote on last edited by
                                    #25

                                    @Deeeds using spawn on area for a particle object at x and y of the collision points is the simplest to do I think. Converting the collision to an anchor and using the start particles behaviour at that anchor is probably more efficient since there's no spawning involved, but converting the anchors is annoying.

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                                    • Jack de WildeJ Jack de Wilde

                                      @Deeeds using spawn on area for a particle object at x and y of the collision points is the simplest to do I think. Converting the collision to an anchor and using the start particles behaviour at that anchor is probably more efficient since there's no spawning involved, but converting the anchors is annoying.

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                                      Thecheater887
                                      wrote on last edited by
                                      #26

                                      @Jack8680 spawn a particle object and use destroy object attached to play particles.

                                      1 Reply Last reply
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