mcjCollider is a plugin for Daz Studio 3 , it was tested on Daz Studio v 3.0.1.144 version history NEWS Oct 30th 2012 resists to conversion of collided objects to subdivision surfaces and to deletion of collided objects the identity of the collided face is displayed as the label of the channel named "hit" Feb 2nd 2011 7:22pm added the 64 bit version of the plugin: mcjCollider64bit.dll ( i cant test it but will report on users results) Feb 12, 2010 2:15 AM initial release Feb 12, 2010 4:15 AM the collider now only moves forth, making it easier to do a series of collisions but is the collider starts exactly on a surface it stays put Feb 12, 2010 4:25 AM the collider doesn't get stuck when it lies exactly on the wall making it possible to do a series of collisions i'll show you right now  Introduction You point a ray at objects in a daz scene and this plugin computes the collision point and the bounce angle. Although this plugin can be used "by hand" to achieve interesting effects, it is intended to be used by scripts. in the image below, a Daz Script used a collider 256 times in a row. In the future i may write a script that animates a dynamic dress.  Installation
the plugin, mcjCollider.dll can be found in the attachments at the bottom of this page this file should be plced in your daz studio plugins folder typically it's C:\Program Files\DAZ 3D\DAZStudio3\plugins there's also mcjColliderReadme.zip containing a copy of the document you are reading presently you could unzip it in a folder like C:/Program Files/DAZ 3D/DAZStudio3/docs Usage mcjCollider can be used on any solid object in the scene but not on objects that were converted to subD select the objects that will be the target of the collider example: we select the cylinder and the floor-cube ( use the CTRL key for multiple selections )  once properly installed you will find mcjCollider in the "Create" menu  now that the mcjCollider is created in the scene it will remember the list of selected objects, so you can deselect them if you want. in the Scene tab, select the mcjCollider position it so that it points toward the objects  go in the parameters tab and modify the "Ray length" property  tweaking this property activates the collider within a fraction of a second or a few seconds the collider should jump to the collision point with the solids the collider will also be oriented as if it had bounced on the surface  Note for Daz Script Programmers: the collider can be activated through a script by calling the "activated" slot of the node example node = Scene.getPrimarySelection()node.activated();in the attachments below in the i added a daz script named "jumperDS3" you select 2 nodes in a scene example, i select the mcjCollider and a ball launch jumperDS3 select which node is the destination node example: i chose mcjCollider as the destination click on the OK button and the ball will jump to the location of the collider using this script and a Collider you could, for example, save some time at making a car follow an uneven road  for the more adventurous, here's the script i used to create the draping effect this script is included in the attachments under the name bigpingpong.dsa this script expects to find a 256-balls figure in the scene you can get this figure in the attachments below under the name 256ballsfigure.zip this should be unzipped in your daz content folder, typically C:\Program Files\DAZ\Studio\content once installed it will appear in your library in Content/figures/mcasual place your collider at the proper angle to "throw the balls on the floor and cylinder the wall of balls will be located at Z = -100 select the mcjCollider launch the script on my PC it takes only 1 second to make the millions of computations ! at frame 30 the script builds a wall of balls and at frame 90 all the balls arrive at their collision point // DAZ Studio version 3.0 filetype DAZ Script
another test, done with the 4:25am version node = Scene.getPrimarySelection();
the script is in the attachments as pingpong.dsa the ball which must be in the scene is also in the attachments as ball.obj the box was 4x4x4 meters the box was selected upon creation of the mcjCollider the ball was scaled 600% FPS was set at 10 the mcjCollider must be selected when you launch the script i used the free script setInterpolation http://sites.google.com/site/mcasualsdazscripts/setinterpolation-for-ds2-3 to linearize the animation keyframes without this the ball was moving along curves and it made no sense New in October 2012's version A parameter/channel named "report" was added to the mcjCollider node its label displays the identity of the face that got the collision for example:  if the collision occured on a figure bone, we would have something like  so, the first part of the label is the skeleton name, or "none" if it's not a bone the second part is the bone or object name the 3rd part is the type of face hit
the 4th part is the face number here's script code that will create a Morph channel to move the collided face it's a solution for poke-through fixing ! this script can be downloaded in the attachments section under the name mcjLittleScriptToFixPokeThroughUsingMcjCollider.dsa
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