This is a setup which places spheres of various sizes on a given geometry and it's making sure the spheres are not intersecting. You can also specify a VertexMap to controll where the big spheres should be placed. It's optimized so that it places the big spheres first as they won't fit in later in the calculation anyway.

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Inspired by the IBC '14 presentation of Simon Holmedal I recreated some of his setups in this xpresso example. What you get is a toolset for working with vertex maps. You can create them based on the distance to a point in space, remap them according to a given spline or do mathematical operations on them like adding two vertex maps together, blending between them and other things. All done in xpresso only and open for you to explore and learn.

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This shot contains two example files using the new-in-R14 Track Node which enables you to read values from a timeline track. We create a speed indicator and a custom Tracer which lets a spline trail behind an animated object. The Cinema4d scene files contain explanations in the Remark nodes of the Xpresso Tags.

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We first create a pointcloud that saves the position values of custom placed objects. Then we generate ThinkingParticles that fly to those saved positions and form an object.

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A small little tool that gives you the possibility to have a easy to handle spline that controls a densly subdivided spline that is interactively projected down onto a surface. Uses iterations and the RayCollision node.

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This shot turns lights on depending on it's position relative to a plane. If the lights are above the plane they are off, if they are below it they are on. It also takes into account the rotation of the plane. What it does is it converts a position from world to local space. Also htere is a lot of noise added to everything.

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We're creating a digital and analog clock that displays scene time in minutes:seconds:frames. The main insight here is that the math node can also be used to handle text and not just numbers.

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Moving Mograph clones are leaving behind trails of ThinkingParticles. This shot covers iterations and particle spawning which is "virtual" multiple emitters at various positions.

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A small little tool that compares if a section between two points of a spline is prallel to a section between two other points of the same spline.

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Iterations are your friend here. We iterate through the points of a spline in order to map them onto another "source" spline. This recreates the SplineOnSpline plugin by AixSponza in XPresso.

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ThinkingParticles bounce off of a ground floor and upon their third bounce explode into loads of fragments. This setup relies heavily on particle channels.

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An introduction to Hierarchy iterators and Object Indices. A collection of Cubes is scaled according to their position in a hierarchy. Also they change their rotation when a sphere is coming close.

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Creating a UserData Button that lets you save any values.

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This setup recreates the Target Tag that is already there in Cinema. By building it on your own you're free to add more functionality to it like having a random value affect your targeting.

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We create an advanced setup which tells you if the distance between two objects is stretched or squashed. Additionally there's also a line visually representing the squash/stretch by its colour.

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We transfer the luminance information from a texture or noise into a Vertexmap using Xpresso.

This has some limitations because reading from UV mappings is not possible in Xpresso but the example is still usefull to get random (and also animated) noises into Vertexmaps

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