IndexBuffer is an abstraction of low level openGL Buffer Object. More...
Inherits Ref.
Public Types | |
| enum | IndexType { INDEX_TYPE_SHORT_16, INDEX_TYPE_UINT_32 } |
| Enum for the type of index, short indices and int indices could be used. More... | |
Public Member Functions | |
| IndexType | getType () const |
| Getter for type of indices. | |
| int | getSizePerIndex () const |
| Get the size in bytes for one index, will be 2 for INDEX_TYPE_SHORT_16 and 4 for INDEX_TYPE_UINT_32. | |
| int | getIndexNumber () const |
| Get the number of indices. | |
| bool | updateIndices (const void *indices, int count, int begin) |
| Update all or part of indices data, if the range specified exceeds the vertex buffer, it will be clipped. More... | |
| int | getSize () const |
| Get the size in bytes of the array of indices. | |
| GLuint | getVBO () const |
| Get the openGL handle for index buffer. | |
 Public Member Functions inherited from Ref | |
| void | retain () |
| Retains the ownership. More... | |
| local | retain () |
| Retains the ownership. More... | |
| void | release () |
| Releases the ownership immediately. More... | |
| Ref * | autorelease () |
| Releases the ownership sometime soon automatically. More... | |
| unsigned int | getReferenceCount () const |
| Returns the Ref's current reference count. More... | |
| local | getReferenceCount () |
| Returns the Ref's current reference count. More... | |
| virtual | ~Ref () |
| Destructor. | |
Static Public Member Functions | |
| static IndexBuffer * | create (IndexType type, int number, GLenum usage=GL_STATIC_DRAW) |
| Create an instance of IndexBuffer. More... | |
| local | create ( local type, local number, local GL_STATIC_DRAW) |
| Create an instance of IndexBuffer. More... | |
| static bool | isShadowCopyEnabled () |
| Static getter for shadowCopy. | |
| local | isShadowCopyEnabled () |
| Static getter for shadowCopy. | |
| static void | enableShadowCopy (bool enabled) |
| Static setter for shadowCopy. | |
| local | enableShadowCopy ( local enabled) |
| Static setter for shadowCopy. | |
Additional Inherited Members | |
| Public Attributes inherited from Ref | |
| unsigned int | _ID |
| object id, ScriptSupport need public _ID | |
| local | _ID |
| object id, ScriptSupport need public _ID | |
| int | _luaID |
| Lua reference id. | |
| local | _luaID |
| Lua reference id. | |
| void * | _scriptObject |
| scriptObject, support for swift | |
| local | _scriptObject |
| scriptObject, support for swift | |
| bool | _rooted |
| When true, it means that the object was already rooted. | |
| local | _rooted |
| When true, it means that the object was already rooted. | |
| bool | _scriptOwned |
| The life of the object is scrolled by the scripting engine. More... | |
| local | _scriptOwned |
| The life of the object is scrolled by the scripting engine. More... | |
IndexBuffer is an abstraction of low level openGL Buffer Object.
It used to save an array of indices.
|
static |
Create an instance of IndexBuffer.
type of index. The number of indices. A hint to indicate whether the indexBuffer are updated frequently or not to let GL optimise it.
|
static |
Create an instance of IndexBuffer.
type of index. The number of indices. A hint to indicate whether the indexBuffer are updated frequently or not to let GL optimise it.
| bool updateIndices | ( | const void * | indices, |
| int | count, | ||
| int | begin | ||
| ) |
Update all or part of indices data, if the range specified exceeds the vertex buffer, it will be clipped.
The pointer of the index data. The number of indices to update. The start index to update.
| local updateIndices | ( | local | indices, |
| local | count, | ||
| local | begin | ||
| ) |
Update all or part of indices data, if the range specified exceeds the vertex buffer, it will be clipped.
The pointer of the index data. The number of indices to update. The start index to update.
1.8.8 
