ObjectMeshDynamic Class

ObjectMeshDynamic Class

Members

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ObjectMeshDynamic (Mesh mesh, int flags = 0)

Arguments

• Mesh mesh
• int flags

void addVertexArray (Vertex[] vertex)

Adds an array of vertices to the dynamic mesh.

Arguments

• Vertex[] vertex

int getIndex (int num)

Returns the index of the vertex by the index number.

Arguments

• int num - Index number in the index buffer.

Return value

Vertex index in the index buffer.

int updateIndices ()

Optimizes vertex indices by removing duplicated vertices.

Return value

1 if the indices are updated successfully; otherwise, 0.

void setColor (int num, vec4 color)

Updates the color of a given vertex.

Arguments

• int num - Vertex number in range from 0 to the total number of mesh vertices.
• vec4 color - Color.

void setSurfaceEnd (int end, int surface)

Sets the end index to the specified surface of the dynamic object mesh. It means that the surface will be rendered the last.

Arguments

• int end - End index.
• int surface - Number of the target surface.

void clearVertex ()

Clears all vertices comprising the mesh.

void updateSurfaceBegin (int surface)

Synchronizes surface begin index.

Arguments

• int surface - ID of a target surface.

void flushVertex ()

Flushes the vertex buffer and sends data to the GPU. This function is called automatically, if the length of the vertex buffer changes. If you change the content of the vertex buffer, you should call this method.

void setMeshName (string name)

Sets a name for a mesh.

Arguments

• string name - Mesh name.

void addVertex (vec3 xyz)

Adds a vertex with given coordinates to the mesh.

Arguments

• vec3 xyz - Vertex coordinates in the mesh system of coordinates.

int getNumVertex ()

Returns the number of vertices comprising the mesh.

Return value

Number of vertices.

void setVertex (int num, vec3 xyz)

Updates coordinates of a given vertex.

Arguments

• int num - Number of the vertex in the vertex buffer.
• vec3 xyz - New coordinates in the mesh system of coordinates.

void allocateIndices (int num)

Allocate an index buffer for a given number of indices that will be used for a mesh. With this function, memory can be allocated once rather than in chunks, making the creation faster.

Arguments

• int num - The number of indices that will be stored in a buffer.

void addTexCoord (vec4 texcoord)

Adds texture coordinates to the last added vertex.

Arguments

• vec4 texcoord - Coordinate pairs for both texture channels.

int getNumIndices ()

Returns the number of vertex indices used by the mesh.

Return value

Number of indices.

int setMesh (Mesh mesh)

Allows for reinitialization of the ObjectMeshDynamic: it copies a given mesh into the current dynamic mesh.

Arguments

• Mesh mesh - Mesh.

Return value

1 if the mesh is copied successfully; otherwise, 0.

vec3 getVertex (int num)

Returns coordinates of a given vertex.

Arguments

• int num - Number of the vertex in the vertex buffer.

Return value

Coordinates in the mesh system of coordinates.

void removeSurface (int surface)

Removes the surface with the given index.

Arguments

• int surface - Surface index.

vec4 getColor (int num)

Returns the color of a given vertex.

Arguments

• int num - Vertex number in range from 0 to the total number of mesh vertices.

Return value

Vertex color.

void addTriangleQuads (int num_quads)

Adds a given number of quadrilaterals to the mesh. This method does not add vertices, rather it allocates indices, for which vertices should be then created with the addVertex() function. Indices will point to vertices starting from the current last vertex in the vertex buffer.

Arguments

• int num_quads - Number of quadrilaterals to add.

void setIndex (int num, int index)

Updates a given index in the index buffer (replaces the index with the given number with the specified index of the vertex).

Arguments

• int num - Index number in the index buffer.
• int index - Vertex index in the index buffer to set.

void setVertexArray (Vertex[] vertex)

Updates the vertex array of the dynamic mesh.

Arguments

• Vertex[] vertex

int updateTangents ()

Updates tangent vectors of the mesh vertices.

Return value

1 if the tangents are updated successfully; otherwise, 0.

void addSurface (string name)

Adds all of the last listed and unsigned vertices and triangles to a new mesh surface with a specified name.

Arguments

• string name - Name of the new surface.

void flushIndices ()

Flushes the index buffer and sends data to the GPU. This function is called automatically, if the length of the index buffer changes. If you change the content of the index buffer, you should call this method.

int getSurfaceEnd (int surface)

Returns the end index of the specified mesh surface.

Arguments

• int surface - Surface number.

Return value

Returns the end index of the surface.

void setBoundBox (BoundBox bb)

Sets a bounding box of a specified size for a given dynamic mesh surface.

Arguments

• BoundBox bb - Bounding box.

void addTriangleFan (int num_vertex)

Adds a triangle fan to the mesh. This method does not add vertices, rather it allocates indices, for which vertices should be then created with addVertex(). Indices will point to vertices starting from the current last vertex in the vertex buffer.

Arguments

• int num_vertex - Number of vertices comprising the fan.

void setSurfaceBegin (int begin, int surface)

Sets the begin index to the specified surface of the dynamic object mesh. It means that the surface will be rendered the first.

Arguments

• int begin - Begin index.
• int surface - Number of the target surface.

void addColor (vec4 color)

Adds a color to the last added vertex.

Arguments

• vec4 color - Color.

int getSurfaceBegin (int surface)

Returns the begin index of the specified mesh surface.

Arguments

• int surface - Surface number.

Return value

Begin index of the surface.

int updateBounds ()

Calculates a bounding box and a bounding sphere for the current mesh.

Return value

1 if the bounds are calculated successfully; otherwise, 0.

int saveMesh (string name)

Saves the dynamic mesh into .mesh or .anim format.

Arguments

• string name - Mesh file name.

Return value

1 if the mesh is saved successfully; otherwise, 0.

void setTangent (int num, quat tangent)

Sets the new tangent vector for the given vertex.

Arguments

• int num - Number of the vertex in the vertex buffer.
• quat tangent - Tangent vector to be set.

void setNumVertex (int num)

Sets the number of mesh vertices.

Arguments

• int num - Number of mesh vertices.

void addTriangleStrip (int num_vertex)

Adds a triangle strip to the mesh. This method does not add vertices, rather it allocates indices, for which vertices should be then created with addVertex(). Indices will point to vertices starting from the current last vertex in the vertex buffer.

Arguments

• int num_vertex - Number of vertices comprising the strip.

void setNumIndices (int num)

Sets the number of vertex indices.

Arguments

• int num - Number of indices.

vec3 getNormal (int num)

Returns a normal vector of a given vertex.

Arguments

• int num - Number of the vertex in the vertex buffer.

Return value

The vertex normal vector.

void setBoundBox (BoundBox bb, int surface)

Sets a bounding box of a specified size for a given dynamic mesh surface.

Arguments

• BoundBox bb - Bounding box.
• int surface - Surface number in range from 0 to the total number of dynamic mesh surfaces.

void removeVertex (int num, int size, int indices)

Removes the specified number of vertices starting from the given vertex. To fix the index buffer after removal of vertices, pass 1 as the 3rd argument.

Arguments

• int num - Number of the vertex in the vertex buffer.
• int size - Number of vertices to remove.
• int indices - 1 to fix the index buffer after removal of vertices; otherwise, 0.

void setTexCoord (int num, vec4 texcoord)

Updates texture coordinates of a given vertex.

Arguments

• int num - Number of the vertex in the vertex buffer.
• vec4 texcoord - New coordinate pairs for both texture channels.

int getMesh (Mesh mesh)

Copies the current dynamic mesh into the received mesh.

Arguments

• Mesh mesh - Mesh.

Return value

1 if the mesh is copied successfully; otherwise, 0.

void addTangent (quat tangent)

Appends the given tangent to the last added vertex.

Arguments

• quat tangent - Tangent to add.

void removeIndices (int num, int size)

Removes the specified number of indices starting from the given index.

Arguments

• int num - Number of the index in the index buffer.
• int size - Number of indices to remove.

void addTriangles (int num_triangles)

Adds a given number of triangles to the mesh. This method does not add vertices, rather it allocates indices, for which vertices should be then created with addVertex() .Indices will point to vertices starting from the current last vertex in the vertex buffer.

Arguments

• int num_triangles - Number of triangles.

int loadMesh (string name)

Loads a mesh for the current mesh from the file. This function doesn't change the mesh name.

Arguments

• string name - Mesh file name.

Return value

1 if the mesh is loaded successfully; otherwise, 0.

void setSurfaceName (string name, int surface)

Sets the name for the specified surface.

Arguments

• string name - New name of the surface.
• int surface - Number of a target surface in range from 0 to the total number of surfaces.

Vertex * getVertexArray ()

Returns an array of vertices of the dynamic mesh.

Return value

Pointer to the array of vertices.

void allocateVertex (int num)

Allocate a vertex buffer for a given number of vertices that will be used for a mesh. With this function, memory can be allocated once rather than in chunks, making the creation faster.

Arguments

• int num - The number of vertices that will be stored in a buffer.

void removeSurfaces (string name)

Removes surfaces with the given name.

Arguments

• string name - Surface name.

string getMeshName ()

Returns a name of the mesh.

Return value

Mesh name.

void clearSurfaces ()

Clears all the surface settings.

quat getTangent (int num)

Returns the tangent vector of the given vertex.

Arguments

• int num - Number of the vertex in the vertex buffer.

Return value

Tangent vector.

vec4 getTexCoord (int num)

Returns texture coordinates of a given vertex.

Arguments

• int num - Number of the vertex in the vertex buffer.

Return value

Coordinate pairs for both texture channels.

void clearIndices ()

Clears all vertex indices used by the mesh.

void addIndex (int index)

Adds an index to the index buffer.

Arguments

• int index - Index to add.

void updateSurfaceEnd (int surface)

Synchronizes surface end index.

Arguments

• int surface - ID of a target surface.

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int OBJECT_MESH_DYNAMIC_IMMUTABLE_VERTEX

int OBJECT_MESH_DYNAMIC_IMMUTABLE_INDICES

int OBJECT_MESH_DYNAMIC_IMMUTABLE_ALL

int OBJECT_MESH_DYNAMIC_DYNAMIC_VERTEX

int OBJECT_MESH_DYNAMIC_DYNAMIC_INDICES

int OBJECT_MESH_DYNAMIC_DYNAMIC_ALL

int OBJECT_MESH_DYNAMIC_MODE_POINTS

Description

Mode to render points.

int OBJECT_MESH_DYNAMIC_MODE_LINES

Description

Mode to render lines.

int OBJECT_MESH_DYNAMIC_MODE_TRIANGLES

Description

Mode to render triangles (to create meshes).

int OBJECT_MESH_DYNAMIC_MODE_TRIANGLE_PATCHES

int OBJECT_MESH_DYNAMIC_MODE_QUAD_PATCHES

int OBJECT_MESH_DYNAMIC_TYPE_HALF

int OBJECT_MESH_DYNAMIC_TYPE_FLOAT

int OBJECT_MESH_DYNAMIC_TYPE_DOUBLE

int OBJECT_MESH_DYNAMIC_TYPE_UCHAR

int OBJECT_MESH_DYNAMIC_TYPE_USHORT