public override MeshBase CreateMesh(GridderSource source)
{
PointGridderSource src = (PointGridderSource)source;
vec3 minvec3 = new vec3();
vec3 maxvec3 = new vec3();
bool isSet = false;
PointPositionBuffer positions = new PointPositionBuffer();
PointRadiusBuffer radiusBuffer = null;
int dimSize = src.DimenSize;
Random random = new Random();
// setup positions
unsafe
{
positions.AllocMem(dimSize);
var cells = (vec3 *)positions.Data;
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
vec3 p = src.TranslateMatrix * src.Positions[gridIndex];
cells[gridIndex] = p;
}
}
radiusBuffer = this.CreateRadiusBufferData(src, src.Radius);
PointMeshGeometry3D mesh = new PointMeshGeometry3D(positions, radiusBuffer, dimSize);
mesh.Max = src.TransformedActiveBounds.Max;
mesh.Min = src.TransformedActiveBounds.Min;
return(mesh);
}
public void SetRadius(PointRadiusBuffer radius)
{
if (radius != null)
{
if (this.radiusBuffer != null)
{
gl.DeleteBuffers(this.radiusBuffer.Length, this.radiusBuffer);
}
////TODO:如果用此方式，则必须先将此对象加入scene树，然后再调用Init
//OpenGL gl = this.TraverseToRootElement().ParentScene.OpenGL;
this.radiusBuffer = new uint[1];
this.radiusBuffer[0] = CreateVertexBufferObject(OpenGL.GL_ARRAY_BUFFER, radius, OpenGL.GL_STATIC_DRAW);
if (this.vertexArrayObject != null)
{
gl.DeleteVertexArrays(this.vertexArrayObject.Length, this.vertexArrayObject);
this.vertexArrayObject = null;
}
}
else
{
if (this.radiusBuffer != null)
{
gl.DeleteBuffers(this.radiusBuffer.Length, this.radiusBuffer);
}
}
}
public override MeshBase CreateMesh(GridderSource source)
{
PointGridderSource src = (PointGridderSource)source;
PointPositionBuffer positions = new PointPositionBuffer();
PointRadiusBuffer radiusBuffer = null;
int dimSize = src.DimenSize;
// setup positions
unsafe
{
positions.AllocMem(dimSize);
Vertex *cells = (Vertex *)positions.Data;
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
Vertex p = src.Transform * src.Positions[gridIndex];
cells[gridIndex] = p;
}
}
radiusBuffer = this.CreateRadiusBufferData(src, src.Radius);
PointMeshGeometry3D mesh = new PointMeshGeometry3D(positions, radiusBuffer, dimSize);
mesh.Max = src.TransformedActiveBounds.Max;
mesh.Min = src.TransformedActiveBounds.Min;
return(mesh);
}
public PointRadiusBuffer CreateRadiusBufferData(PointGridderSource src, float radius)
{
PointRadiusBuffer radiusBuffer = new PointRadiusBuffer();
unsafe
{
int dimenSize = src.DimenSize;
radiusBuffer.AllocMem(dimenSize);
float* radiues = (float*)radiusBuffer.Data;
for (int gridIndex = 0; gridIndex < dimenSize; gridIndex++)
{
radiues[gridIndex] = radius;
}
}
return radiusBuffer;
}
public PointRadiusBuffer CreateRadiusBufferData(PointGridderSource src, float radius)
{
PointRadiusBuffer radiusBuffer = new PointRadiusBuffer();
unsafe
{
int dimenSize = src.DimenSize;
radiusBuffer.AllocMem(dimenSize);
float *radiues = (float *)radiusBuffer.Data;
for (int gridIndex = 0; gridIndex < dimenSize; gridIndex++)
{
radiues[gridIndex] = radius;
}
}
return(radiusBuffer);
}
public override MeshBase CreateMesh(GridderSource source)
{
PointGridderSource src = (PointGridderSource)source;
Vertex minVertex = new Vertex();
Vertex maxVertex = new Vertex();
bool isSet = false;
PointPositionBuffer positions = new PointPositionBuffer();
PointRadiusBuffer radiusBuffer = null;
int dimSize = src.DimenSize;
Random random = new Random();
// setup positions
unsafe
{
positions.AllocMem(dimSize);
Vertex *cells = (Vertex *)positions.Data;
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
Vertex p = src.Positions[gridIndex];
cells[gridIndex] = p;
if (!isSet)
{
minVertex = p;
maxVertex = p;
isSet = true;
}
if (src.IsActiveBlock(gridIndex))
{
minVertex = SimLab.SimGrid.helper.VertexHelper.MinVertex(minVertex, p);
maxVertex = SimLab.SimGrid.helper.VertexHelper.MaxVertex(maxVertex, p);
}
}
}
radiusBuffer = this.CreateRadiusBufferData(src, src.Radius);
PointMeshGeometry3D mesh = new PointMeshGeometry3D(positions, radiusBuffer, dimSize);
mesh.Max = maxVertex;
mesh.Min = minVertex;
return(mesh);
}
/// <summary>
///
/// </summary>
/// <param name="positions"></param>
/// <param name="count">有多少个顶点</param>
public PointMeshGeometry3D(PointPositionBuffer positions, PointRadiusBuffer radius, int count)
: base(positions)
{
this.Radius = radius;
this.Count = count;
}
/// <summary>
///
/// </summary>
/// <param name="positions"></param>
/// <param name="count">有多少个顶点</param>
public PointMeshGeometry3D(PointPositionBuffer positions, PointRadiusBuffer radius, int count)
: base(positions)
{
this.Radius = radius;
this.Count = count;
}
public void SetRadius(PointRadiusBuffer radius)
{
if (radius != null)
{
if (this.radiusBuffer != null)
{
gl.DeleteBuffers(this.radiusBuffer.Length, this.radiusBuffer);
}
////TODO:如果用此方式，则必须先将此对象加入scene树，然后再调用Init
//OpenGL gl = this.TraverseToRootElement().ParentScene.OpenGL;
this.radiusBuffer = new uint[1];
this.radiusBuffer[0] = CreateVertexBufferObject(OpenGL.GL_ARRAY_BUFFER, radius, OpenGL.GL_STATIC_DRAW);
if (this.vertexArrayObject != null)
{
gl.DeleteVertexArrays(this.vertexArrayObject.Length, this.vertexArrayObject);
this.vertexArrayObject = null;
}
}
else
{
if (this.radiusBuffer != null)
{
gl.DeleteBuffers(this.radiusBuffer.Length, this.radiusBuffer);
}
}
}
