ConvexDecomposition.VHACD (Bonzai Engine bonzaiengine.com Copyright © 2007-2015 Jérôme Jouvie)

java.lang.Object
- com.bonzaiengine.physics.ConvexDecomposition.VHACD

Enclosing class:

ConvexDecomposition
```
public static final class ConvexDecomposition.VHACD
extends java.lang.Object
```
VHACD, Volumetric Hierarchical Approximate Convex Decomposition

Copyright (c) 2011 Khaled Mamou (kmamou at gmail dot com)
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. The names of the contributors may not be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Field Summary

Fields
Modifier and Type	Field and Description
`float`	`alpha` Description: controls the bias toward clipping along symmetry planes Range: [0.;1.]
`float`	`beta` Description: controls the bias toward clipping along revolution axes Range: [0.;1.]
`boolean`	`convexHullApproximation`
`int`	`convexHullDownsampling` Description: controls the precision of the convex-hull generation process during the clipping plane selection stage Range: [1;16]
`float`	`delta`
`int`	`depth` Description: maximum number of clipping stages.
`float`	`gamma` Description: maximum allowed concavity during the merge stage Range: [0.;1.]
`float`	`maxConcavity` Description: maximum concavity Range: [0.;1.]
`int`	`maxVerticesPerConvexHull` Description: controls the maximum number of triangles per convex-hull Range: [4; 1024]
`float`	`minVolumePerConvexHull` Description: controls the adaptive sampling of the generated convex-hulls Range: [0.; 1.]
`int`	`mode` Description: 0: voxel-based approximate convex decomposition, 1: tetrahedron-based approximate convex decomposition Range: [0;1]
`int`	`numTrianglesDecimatedMesh` Target number of triangles in the decimated mesh.
`boolean`	`pca` Description: enable/disable normalizing the mesh before applying the convex decomposition
`int`	`planeDownsampling` Description: controls the granularity of the search for the "best" clipping plane Range: [1;16]
`int`	`resolution` Description: maximum number of voxels generated during the voxelization stage Range: [10_000; 64_000_000]

Constructor Summary

Constructors
Constructor and Description

VHACD()

Constructors
Constructor and Description
`VHACD()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method and Description

boolean equals(java.lang.Object obj)

int hashCode()
- Methods inherited from class java.lang.Object
  getClass, notify, notifyAll, toString, wait, wait, wait

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`equals(java.lang.Object obj)`
`int`	`hashCode()`

- Field Detail
  - maxConcavity
```
public float maxConcavity
```
    Description: maximum concavity
    Range: [0.;1.]
  - alpha
```
public float alpha
```
    Description: controls the bias toward clipping along symmetry planes
    Range: [0.;1.]
  - beta
```
public float beta
```
    Description: controls the bias toward clipping along revolution axes
    Range: [0.;1.]
  - gamma
```
public float gamma
```
    Description: maximum allowed concavity during the merge stage
    Range: [0.;1.]
  - delta
```
public float delta
```
  - minVolumePerConvexHull
```
public float minVolumePerConvexHull
```
    Description: controls the adaptive sampling of the generated convex-hulls
    Range: [0.; 1.]
  - resolution
```
public int resolution
```
    Description: maximum number of voxels generated during the voxelization stage
    Range: [10_000; 64_000_000]
  - maxVerticesPerConvexHull
```
public int maxVerticesPerConvexHull
```
    Description: controls the maximum number of triangles per convex-hull
    Range: [4; 1024]
  - depth
```
public int depth
```
    Description: maximum number of clipping stages. During each split stage, all the model parts (with a concavity higher than the user defined threshold) are clipped according the "best" clipping plane
    Range: [1;32]
  - planeDownsampling
```
public int planeDownsampling
```
    Description: controls the granularity of the search for the "best" clipping plane
    Range: [1;16]
  - convexHullDownsampling
```
public int convexHullDownsampling
```
    Description: controls the precision of the convex-hull generation process during the clipping plane selection stage
    Range: [1;16]
  - pca
```
public boolean pca
```
    Description: enable/disable normalizing the mesh before applying the convex decomposition
  - mode
```
public int mode
```
    Description: 0: voxel-based approximate convex decomposition, 1: tetrahedron-based approximate convex decomposition
    Range: [0;1]
  - convexHullApproximation
```
public boolean convexHullApproximation
```
  - numTrianglesDecimatedMesh
```
public int numTrianglesDecimatedMesh
```
    Target number of triangles in the decimated mesh. The decimation stage was added mainly to decrease the computational cost for dense meshes.
    0 to turn off this feature
    Mesh decimation algorithm: http://mgarland.org/research/thesis.html
- Constructor Detail
  - VHACD
```
public VHACD()
```
- Method Detail
  - equals
```
public final boolean equals(java.lang.Object obj)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public final int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object

Class ConvexDecomposition.VHACD

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

maxConcavity

alpha

beta

gamma

delta

minVolumePerConvexHull

resolution

maxVerticesPerConvexHull

depth

planeDownsampling

convexHullDownsampling

pca

mode

convexHullApproximation

numTrianglesDecimatedMesh

Constructor Detail

VHACD

Method Detail

equals

hashCode