public static TriangleMeshShapeDesc CreateTriangleMesh(this Physics physics, StaticMeshData meshData)
{
// create descriptor for triangle mesh
TriangleMeshShapeDesc triangleMeshShapeDesc = null;
TriangleMeshDesc triangleMeshDesc = new TriangleMeshDesc();
triangleMeshDesc.PinPoints <float>(meshData.Points, 0, sizeof(float) * 3);
triangleMeshDesc.PinTriangles <uint>(meshData.Indices, 0, sizeof(uint) * 3);
triangleMeshDesc.VertexCount = (uint)meshData.Vertices.Length;
triangleMeshDesc.TriangleCount = (uint)meshData.TriangleCount;
MemoryStream stream = new MemoryStream(1024);
CookingInterface.InitCooking();
if (CookingInterface.CookTriangleMesh(triangleMeshDesc, stream))
{
stream.Seek(0, SeekOrigin.Begin);
TriangleMesh triangleMesh = physics.CreateTriangleMesh(stream);
triangleMeshShapeDesc = new TriangleMeshShapeDesc(triangleMesh);
CookingInterface.CloseCooking();
}
triangleMeshDesc.UnpinAll();
return(triangleMeshShapeDesc);
}
public static TriangleMeshShapeDesc CreateTriangleMesh(StaticMeshData meshData)
{
// create descriptor for triangle mesh
TriangleMeshShapeDesc triangleMeshShapeDesc = null;
TriangleMeshDesc triangleMeshDesc = new TriangleMeshDesc();
triangleMeshDesc.PinPoints<float>(meshData.Points, 0, sizeof(float) * 3);
triangleMeshDesc.PinTriangles<uint>(meshData.Indices, 0, sizeof(uint) * 3);
triangleMeshDesc.VertexCount = (uint)meshData.Vertices.Length;
triangleMeshDesc.TriangleCount = (uint)meshData.TriangleCount;
MemoryStream stream = new MemoryStream(1024);
CookingInterface.InitCooking();
if (CookingInterface.CookTriangleMesh(triangleMeshDesc, stream))
{
stream.Seek(0, SeekOrigin.Begin);
TriangleMesh triangleMesh = OgreWindow.Instance.physics.CreateTriangleMesh(stream);
triangleMeshShapeDesc = new TriangleMeshShapeDesc(triangleMesh);
CookingInterface.CloseCooking();
}
triangleMeshDesc.UnpinAll();
return triangleMeshShapeDesc;
}
/// <summary>
/// Create a shape from a <seealso cref="ShapeType"/> and the BaseEntity information.
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
protected ShapeDesc CreateShapeFromType(ShapeType type)
{
float scale = this.parentEntity.Scale;
this.height *= scale;
this.width *= scale;
this.depth *= scale;
this.diameter *= scale;
switch (type)
{
case ShapeType.Box:
{
if (null == this.physMesh)
{
var shape = new BoxShapeDesc();
shape.Extents = new Vector3(this.width, this.height, this.depth);
return(shape);
}
else
{
return(CreateBoxShapeFromMesh(this.physMesh, scale));
}
}
case ShapeType.Sphere:
{
if (null == this.physMesh)
{
var shape = new SphereShapeDesc();
shape.Radius = this.diameter / 2.0f;
return(shape);
}
else
{
return(CreateSphereShapeFromMesh(this.physMesh, scale));
}
}
case ShapeType.Heightfield:
{
// Unsupported by this method, use CreateHeightfieldShape()
return(null);
}
case ShapeType.Capsule:
{
var shape = new CapsuleShapeDesc();
shape.Radius = this.diameter / 2.0f;
shape.Length = this.height;
return(shape);
}
case ShapeType.Cylinder:
{
var shape = new CylinderShapeDesc();
shape.Height = this.height;
shape.Radius = this.diameter / 2.0f;
return(shape);
}
case ShapeType.Cone:
{
var shape = new ConeShapeDesc();
shape.Height = this.height;
shape.Radius = this.diameter / 2.0f;
return(shape);
}
case ShapeType.TriangleMesh:
{
if (isDynamic)
{
throw new Exception("Triangle Mesh shapes do not support dynamic physics");
}
TriangleMeshShapeDesc shape = new TriangleMeshShapeDesc();
if (this.physMesh == null)
{
MsgGetModelVertices msgGetVerts = ObjectPool.Aquire <MsgGetModelVertices>();
msgGetVerts.UniqueTarget = this.parentEntity.UniqueID;
this.parentEntity.Game.SendMessage(msgGetVerts);
shape.Vertices = msgGetVerts.Vertices;
MsgGetModelIndices msgGetInds = ObjectPool.Aquire <MsgGetModelIndices>();
msgGetInds.UniqueTarget = this.parentEntity.UniqueID;
this.parentEntity.Game.SendMessage(msgGetInds);
shape.Indices = msgGetInds.Indices;
}
else
{
shape.Vertices = physMesh.GetModelVertices(this.parentEntity.Scale);
shape.Indices = physMesh.GetModelIndices();
}
if ((shape.Vertices.Count == 0) || (shape.Indices.Count == 0))
{
return(null);
}
return(shape);
}
default:
// Throw exception
return(null);
}
;
}
