com.jme3.bullet.collision.shapes

Class MeshCollisionShape

java.lang.Object

com.jme3.bullet.collision.shapes.CollisionShape

com.jme3.bullet.collision.shapes.MeshCollisionShape

All Implemented Interfaces:

com.jme3.export.Savable

public class MeshCollisionShape
extends CollisionShape

Basic mesh collision shape

Author:

normenhansen

Field Summary

Fields

Modifier and Type	Field and Description
protected long	meshId
protected long	nativeBVHBuffer
protected int	numTriangles
protected int	numVertices
protected java.nio.ByteBuffer	triangleIndexBase
protected int	triangleIndexStride
protected java.nio.ByteBuffer	vertexBase
protected int	vertexStride

Fields inherited from class com.jme3.bullet.collision.shapes.CollisionShape

margin, objectId, scale

Constructor Summary

Constructors

Constructor and Description
MeshCollisionShape()
MeshCollisionShape(java.nio.ByteBuffer indices, java.nio.ByteBuffer vertices, boolean memoryOptimized) Advanced constructor, usually you don’t want to use this, but the Mesh based one.
MeshCollisionShape(com.jme3.scene.Mesh mesh) Creates a collision shape from the given Mesh.
MeshCollisionShape(com.jme3.scene.Mesh mesh, boolean memoryOptimized) Creates a collision shape from the given Mesh.

Method Summary

Methods

Modifier and Type	Method and Description
void	finalize()
void	read(com.jme3.export.JmeImporter im)
void	write(com.jme3.export.JmeExporter ex)

Methods inherited from class com.jme3.bullet.collision.shapes.CollisionShape

getMargin, getObjectId, getScale, setMargin, setObjectId, setScale

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

numVertices

protected int numVertices

numTriangles

protected int numTriangles

vertexStride

protected int vertexStride

triangleIndexStride

protected int triangleIndexStride

triangleIndexBase

protected java.nio.ByteBuffer triangleIndexBase

vertexBase

protected java.nio.ByteBuffer vertexBase

meshId

protected long meshId

nativeBVHBuffer

protected long nativeBVHBuffer

Constructor Detail

MeshCollisionShape

public MeshCollisionShape()

MeshCollisionShape

public MeshCollisionShape(com.jme3.scene.Mesh mesh)

Creates a collision shape from the given Mesh. Default behavior, more optimized for memory usage.

Parameters:

mesh -

MeshCollisionShape

public MeshCollisionShape(com.jme3.scene.Mesh mesh,
                  boolean memoryOptimized)

Creates a collision shape from the given Mesh. memoryOptimized determines if optimized instead of quantized BVH will be used. Internally, memoryOptimized BVH is slower to calculate (~4x) but also smaller (~0.5x). It is preferable to use the memory optimized version and then serialize the resulting MeshCollisionshape as this will also save the generated BVH. An exception can be procedurally / generated collision shapes, where the generation time is more of a concern

Parameters:

mesh - the Mesh to use

memoryOptimized - True to generate a memory optimized BVH, false to generate quantized BVH.

MeshCollisionShape

public MeshCollisionShape(java.nio.ByteBuffer indices,
                  java.nio.ByteBuffer vertices,
                  boolean memoryOptimized)

Advanced constructor, usually you don’t want to use this, but the Mesh based one. Passing false values can lead to a crash, use at own risk This constructor bypasses all copy logic normally used, this allows for faster bullet shape generation when using procedurally generated Meshes.

Parameters:

indices - the raw index buffer

vertices - the raw vertex buffer

memoryOptimized - use quantisize BVH, uses less memory, but slower

Method Detail

write

public void write(com.jme3.export.JmeExporter ex)
           throws java.io.IOException

Specified by:

write in interface com.jme3.export.Savable

Overrides:

write in class CollisionShape

Throws:

java.io.IOException

read

public void read(com.jme3.export.JmeImporter im)
          throws java.io.IOException

Specified by:

read in interface com.jme3.export.Savable

Overrides:

read in class CollisionShape

Throws:

java.io.IOException

finalize

public void finalize()
              throws java.lang.Throwable

Overrides:

finalize in class CollisionShape

Throws:

java.lang.Throwable