hmi.graphics.opengl
Class GLBasicMesh

java.lang.Object
  hmi.graphics.opengl.GLBasicMesh

All Implemented Interfaces:

GLRenderObject

Direct Known Subclasses:

GLSkinnedMesh

public class GLBasicMesh
extends Object
implements GLRenderObject

A GLBasicMesh ...

Field Summary

private ArrayList<GLVertexAttribute>	attributeList
(package private) int	geometryType
private String	id
private IntBuffer	indexBuffer
private int	indexBufferId
private boolean	indexBufferModified
private int	indexByteBufferSize
private int	nrOfIndices
protected int	nrOfVertices
private int	vertexBufferId

Constructor Summary

GLBasicMesh()
Creates a new GLBasicMesh.

Method Summary

int	addGLVertexAttribute(VertexAttribute va) Adds a new vertex attribute, and returns its index number.
void	bindShaderProg(GLRenderContext gl, int prog) Binds the attribute indices, and defines the OGL Array Buffer for the specified OGL Shader program
String	getId()
float[]	getVertexData(int attrNum, float[] vertexData) Fills and returns the vertexData float array with the current contents of the vertex data for the specified attribute.
void	glInit(GLRenderContext gl) initializes the OpenGL ARRAY and ELEMENT_ARRAY buffers.
void	glRender(GLRenderContext gl) renders the mesh, using the vertexBuffer data.
void	setGeometryType(int type) sets the type of geometry, like GLC.GL_TRIANGLE_STRIP, or GLC.GL_TRIANGLES.
void	setId(String id)
void	setIndexData(int[] indexData) Allocates and sets the index buffer, defining the mesh topology, by copying the data from indexData to an internal index buffer.
private void	setNrOfVertices(int nvert)
void	setVertexData(int attrNum, float[] vertexData) Sets the vertex data for an attribute, identified by its index number The data will be copied.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

indexBuffer

private IntBuffer indexBuffer

nrOfIndices

private int nrOfIndices

indexByteBufferSize

private int indexByteBufferSize

indexBufferModified

private boolean indexBufferModified

nrOfVertices

protected int nrOfVertices

attributeList

private ArrayList<GLVertexAttribute> attributeList

vertexBufferId

private int vertexBufferId

indexBufferId

private int indexBufferId

geometryType

int geometryType

id

private String id

Constructor Detail

GLBasicMesh

public GLBasicMesh()

Creates a new GLBasicMesh.

Method Detail

setId

public void setId(String id)

getId

public String getId()

setGeometryType

public void setGeometryType(int type)

sets the type of geometry, like GLC.GL_TRIANGLE_STRIP, or GLC.GL_TRIANGLES. (The latter is the default)

setIndexData

public void setIndexData(int[] indexData)

Allocates and sets the index buffer, defining the mesh topology, by copying the data from indexData to an internal index buffer. When indexData is null, the call has no effect at all.

setNrOfVertices

private void setNrOfVertices(int nvert)

addGLVertexAttribute

public int addGLVertexAttribute(VertexAttribute va)

Adds a new vertex attribute, and returns its index number.

setVertexData

public void setVertexData(int attrNum,
                          float[] vertexData)

Sets the vertex data for an attribute, identified by its index number The data will be copied.

getVertexData

public float[] getVertexData(int attrNum,
                             float[] vertexData)

Fills and returns the vertexData float array with the current contents of the vertex data for the specified attribute. The passed in vertexData array can be null, in which case a new float array is allocated.

glInit

public void glInit(GLRenderContext gl)

initializes the OpenGL ARRAY and ELEMENT_ARRAY buffers. Calculates the buffer offsets for coordinates, normals. colors etc. inside vertexBuffer

Specified by:

glInit in interface GLRenderObject

bindShaderProg

public void bindShaderProg(GLRenderContext gl,
                           int prog)

Binds the attribute indices, and defines the OGL Array Buffer for the specified OGL Shader program

glRender

public void glRender(GLRenderContext gl)

renders the mesh, using the vertexBuffer data.

Specified by:

glRender in interface GLRenderObject

toString

public String toString()

Overrides:

toString in class Object