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## toxi.geom.mesh.subdiv
Class DualDisplacementSubdivision

    java.lang.Object
      toxi.geom.mesh.subdiv.SubdivisionStrategy
          toxi.geom.mesh.subdiv.DualDisplacementSubdivision

    public class DualDisplacementSubdivision

extends SubdivisionStrategy

This subdivision strategy splits an edge in three equal parts using two split points at 33% and 66% of the edge. The split points themselves are being displaced, however, in the direction of the vector going from the configured reference point (often the mesh centroid is used) towards each split point. The displacement amount is configurable as fraction of the original edge length. So given that:

     S = edge split point
     R = reference point
     l = edge length
     a = displacement amplification factor

     S' = S + (S-R) * a * l

Field Summary
`float` | `ampA`
`float` | `ampB`
`Vec3D` | `centroid`

Fields inherited from class toxi.geom.mesh.subdiv.SubdivisionStrategy
`DEFAULT_ORDERING`

Constructor Summary
`DualDisplacementSubdivision(Vec3D centroid, float ampA, float ampB)`

Method Summary
`java.util.List<Vec3D>` | `computeSplitPoints(WingedEdge edge)` Computes a number of points on (or near) the given edge which are used for splitting the edge in smaller segments.

Methods inherited from class toxi.geom.mesh.subdiv.SubdivisionStrategy
`getEdgeOrdering, setEdgeOrdering`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### centroid

    public Vec3D centroid

### ampA

    public float ampA

### ampB

    public float ampB

Constructor Detail

### DualDisplacementSubdivision

    public DualDisplacementSubdivision(Vec3D centroid,
                                       float ampA,
                                       float ampB)

Method Detail

### computeSplitPoints

    public java.util.List<Vec3D> computeSplitPoints(WingedEdge edge)

  Description copied from class: `SubdivisionStrategy`
  Computes a number of points on (or near) the given edge which are used for splitting the edge in smaller segments.

  Specified by:
    `computeSplitPoints` in class `SubdivisionStrategy`
  Parameters:
    `edge` - edge to split
  Returns:
    list of split points

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