private unsafe void UpdateGeometry()
{
DestroyGeometry();
Curve positionCurve = GetPositionCurve();
Curve radiusCurve = null;
{
bool existsSpecialRadius = false;
foreach (MapCurvePoint point in Points)
{
RenderableCurvePoint point2 = point as RenderableCurvePoint;
if (point2 != null && point2.OverrideRadius >= 0)
{
existsSpecialRadius = true;
break;
}
}
if (existsSpecialRadius)
{
switch (radiusCurveType)
{
case RadiusCurveTypes.UniformCubicSpline:
radiusCurve = new UniformCubicSpline();
break;
case RadiusCurveTypes.Bezier:
radiusCurve = new BezierCurve();
break;
case RadiusCurveTypes.Line:
radiusCurve = new LineCurve();
break;
}
for (int n = 0; n < Points.Count; n++)
{
MapCurvePoint point = Points[n];
if (!point.Editor_IsExcludedFromWorld())
{
float rad = radius;
RenderableCurvePoint renderableCurvePoint = point as RenderableCurvePoint;
if (renderableCurvePoint != null && renderableCurvePoint.OverrideRadius >= 0)
rad = renderableCurvePoint.OverrideRadius;
radiusCurve.AddValue(point.Time, new Vec3(rad, 0, 0));
}
}
}
}
//create mesh
Vertex[] vertices = null;
int[] indices = null;
if (positionCurve != null && positionCurve.Values.Count > 1 && Points.Count >= 2)
{
Vec3 positionOffset = -Position;
int steps = (Points.Count - 1) * pathSteps + 1;
int vertexCount = steps * (shapeSegments + 1);
int indexCount = (steps - 1) * shapeSegments * 2 * 3;
vertices = new Vertex[vertexCount];
indices = new int[indexCount];
//fill data
{
int currentVertex = 0;
int currentIndex = 0;
float currentDistance = 0;
Vec3 lastPosition = Vec3.Zero;
Quat lastRot = Quat.Identity;
for (int nStep = 0; nStep < steps; nStep++)
{
int startStepVertexIndex = currentVertex;
float coefficient = (float)nStep / (float)(steps - 1);
Vec3 pos = CalculateCurvePointByCoefficient(coefficient) + positionOffset;
Quat rot;
{
Vec3 v = CalculateCurvePointByCoefficient(coefficient + .3f / (float)(steps - 1)) -
CalculateCurvePointByCoefficient(coefficient);
if (v != Vec3.Zero)
rot = Quat.FromDirectionZAxisUp(v.GetNormalize());
else
rot = lastRot;
}
if (nStep != 0)
currentDistance += (pos - lastPosition).Length();
float rad;
if (radiusCurve != null)
{
Range range = new Range(radiusCurve.Times[0], radiusCurve.Times[radiusCurve.Times.Count - 1]);
float t = range.Minimum + (range.Maximum - range.Minimum) * coefficient;
rad = radiusCurve.CalculateValueByTime(t).X;
}
else
rad = radius;
for (int nSegment = 0; nSegment < shapeSegments + 1; nSegment++)
{
float rotateCoefficient = ((float)nSegment / (float)(shapeSegments));
float angle = rotateCoefficient * MathFunctions.PI * 2;
Vec3 p = pos + rot * new Vec3(0, MathFunctions.Cos(angle) * rad, MathFunctions.Sin(angle) * rad);
Vertex vertex = new Vertex();
vertex.position = p;
Vec3 pp = p - pos;
if (pp != Vec3.Zero)
vertex.normal = pp.GetNormalize();
else
vertex.normal = Vec3.XAxis;
//vertex.normal = ( p - pos ).GetNormalize();
vertex.texCoord = new Vec2(currentDistance * textureCoordinatesTilesPerMeter, rotateCoefficient + .25f);
vertex.tangent = new Vec4(rot.GetForward(), 1);
vertices[currentVertex++] = vertex;
}
if (nStep < steps - 1)
{
for (int nSegment = 0; nSegment < shapeSegments; nSegment++)
{
indices[currentIndex++] = startStepVertexIndex + nSegment;
indices[currentIndex++] = startStepVertexIndex + nSegment + 1;
indices[currentIndex++] = startStepVertexIndex + nSegment + 1 + shapeSegments + 1;
indices[currentIndex++] = startStepVertexIndex + nSegment + 1 + shapeSegments + 1;
indices[currentIndex++] = startStepVertexIndex + nSegment + shapeSegments + 1;
indices[currentIndex++] = startStepVertexIndex + nSegment;
}
}
lastPosition = pos;
lastRot = rot;
}
if (currentVertex != vertexCount)
Log.Fatal("RenderableCurve: UpdateRenderingGeometry: currentVertex != vertexCount.");
if (currentIndex != indexCount)
Log.Fatal("RenderableCurve: UpdateRenderingGeometry: currentIndex != indexCount.");
}
if (vertices.Length != 0 && indices.Length != 0)
{
//create mesh
string meshName = MeshManager.Instance.GetUniqueName(
string.Format("__RenderableCurve_{0}_{1}", Name, uniqueMeshIdentifier));
uniqueMeshIdentifier++;
//string meshName = MeshManager.Instance.GetUniqueName( string.Format( "__RenderableCurve_{0}", Name ) );
mesh = MeshManager.Instance.CreateManual(meshName);
SubMesh subMesh = mesh.CreateSubMesh();
subMesh.UseSharedVertices = false;
//init vertexData
VertexDeclaration declaration = subMesh.VertexData.VertexDeclaration;
declaration.AddElement(0, 0, VertexElementType.Float3, VertexElementSemantic.Position);
declaration.AddElement(0, 12, VertexElementType.Float3, VertexElementSemantic.Normal);
declaration.AddElement(0, 24, VertexElementType.Float2, VertexElementSemantic.TextureCoordinates, 0);
declaration.AddElement(0, 32, VertexElementType.Float4, VertexElementSemantic.Tangent, 0);
fixed (Vertex* pVertices = vertices)
{
subMesh.VertexData = VertexData.CreateFromArray(declaration, (IntPtr)pVertices,
vertices.Length * Marshal.SizeOf(typeof(Vertex)));
}
subMesh.IndexData = IndexData.CreateFromArray(indices, 0, indices.Length, false);
//set material
subMesh.MaterialName = materialName;
//set mesh gabarites
Bounds bounds = Bounds.Cleared;
foreach (Vertex vertex in vertices)
bounds.Add(vertex.position);
mesh.SetBoundsAndRadius(bounds, bounds.GetRadius());
}
}
//create MeshObject, SceneNode
if (mesh != null)
{
meshObject = SceneManager.Instance.CreateMeshObject(mesh.Name);
if (meshObject != null)
{
meshObject.SetMaterialNameForAllSubObjects(materialName);
meshObject.CastShadows = true;
sceneNode = new SceneNode();
sceneNode.Attach(meshObject);
//apply offset
sceneNode.Position = Position;
MapObject.AssociateSceneNodeWithMapObject(sceneNode, this);
}
}
//create collision body
if (mesh != null && collision)
{
Vec3[] positions = new Vec3[vertices.Length];
for (int n = 0; n < vertices.Length; n++)
positions[n] = vertices[n].position;
string meshPhysicsMeshName = PhysicsWorld.Instance.AddCustomMeshGeometry(positions, indices, null,
MeshShape.MeshTypes.TriangleMesh, 0, 0);
collisionBody = PhysicsWorld.Instance.CreateBody();
collisionBody.Static = true;
collisionBody._InternalUserData = this;
collisionBody.Position = Position;
MeshShape shape = collisionBody.CreateMeshShape();
shape.MeshName = meshPhysicsMeshName;
shape.MaterialName = CollisionMaterialName;
shape.ContactGroup = (int)ContactGroup.Collision;
//shape.VehicleDrivableSurface = collisionVehicleDrivableSurface;
collisionBody.PushedToWorld = true;
}
needUpdate = false;
}
private unsafe void UpdateGeometry()
{
DestroyGeometry();
Curve positionCurve = GetPositionCurve();
Curve radiusCurve = null;
{
bool existsSpecialRadius = false;
foreach (MapCurvePoint point in Points)
{
RenderableCurvePoint point2 = point as RenderableCurvePoint;
if (point2 != null && point2.OverrideRadius >= 0)
{
existsSpecialRadius = true;
break;
}
}
if (existsSpecialRadius)
{
switch (radiusCurveType)
{
case RadiusCurveTypes.UniformCubicSpline:
radiusCurve = new UniformCubicSpline();
break;
case RadiusCurveTypes.Bezier:
radiusCurve = new BezierCurve();
break;
case RadiusCurveTypes.Line:
radiusCurve = new LineCurve();
break;
}
for (int n = 0; n < Points.Count; n++)
{
MapCurvePoint point = Points[n];
if (!point.Editor_IsExcludedFromWorld())
{
float rad = radius;
RenderableCurvePoint renderableCurvePoint = point as RenderableCurvePoint;
if (renderableCurvePoint != null && renderableCurvePoint.OverrideRadius >= 0)
{
rad = renderableCurvePoint.OverrideRadius;
}
radiusCurve.AddValue(point.Time, new Vec3(rad, 0, 0));
}
}
}
}
//create mesh
Vertex[] vertices = null;
int[] indices = null;
if (positionCurve != null && positionCurve.Values.Count > 1 && Points.Count >= 2)
{
Vec3 positionOffset = -Position;
int steps = (Points.Count - 1) * pathSteps + 1;
int vertexCount = steps * (shapeSegments + 1);
int indexCount = (steps - 1) * shapeSegments * 2 * 3;
vertices = new Vertex[vertexCount];
indices = new int[indexCount];
//fill data
{
int currentVertex = 0;
int currentIndex = 0;
float currentDistance = 0;
Vec3 lastPosition = Vec3.Zero;
Quat lastRot = Quat.Identity;
for (int nStep = 0; nStep < steps; nStep++)
{
int startStepVertexIndex = currentVertex;
float coefficient = (float)nStep / (float)(steps - 1);
Vec3 pos = CalculateCurvePointByCoefficient(coefficient) + positionOffset;
Quat rot;
{
Vec3 v = CalculateCurvePointByCoefficient(coefficient + .3f / (float)(steps - 1)) -
CalculateCurvePointByCoefficient(coefficient);
if (v != Vec3.Zero)
{
rot = Quat.FromDirectionZAxisUp(v.GetNormalize());
}
else
{
rot = lastRot;
}
}
if (nStep != 0)
{
currentDistance += (pos - lastPosition).Length();
}
float rad;
if (radiusCurve != null)
{
Range range = new Range(radiusCurve.Times[0], radiusCurve.Times[radiusCurve.Times.Count - 1]);
float t = range.Minimum + (range.Maximum - range.Minimum) * coefficient;
rad = radiusCurve.CalculateValueByTime(t).X;
}
else
{
rad = radius;
}
for (int nSegment = 0; nSegment < shapeSegments + 1; nSegment++)
{
float rotateCoefficient = ((float)nSegment / (float)(shapeSegments));
float angle = rotateCoefficient * MathFunctions.PI * 2;
Vec3 p = pos + rot * new Vec3(0, MathFunctions.Cos(angle) * rad, MathFunctions.Sin(angle) * rad);
Vertex vertex = new Vertex();
vertex.position = p;
Vec3 pp = p - pos;
if (pp != Vec3.Zero)
{
vertex.normal = pp.GetNormalize();
}
else
{
vertex.normal = Vec3.XAxis;
}
//vertex.normal = ( p - pos ).GetNormalize();
vertex.texCoord = new Vec2(currentDistance * textureCoordinatesTilesPerMeter, rotateCoefficient + .25f);
vertex.tangent = new Vec4(rot.GetForward(), 1);
vertices[currentVertex++] = vertex;
}
if (nStep < steps - 1)
{
for (int nSegment = 0; nSegment < shapeSegments; nSegment++)
{
indices[currentIndex++] = startStepVertexIndex + nSegment;
indices[currentIndex++] = startStepVertexIndex + nSegment + 1;
indices[currentIndex++] = startStepVertexIndex + nSegment + 1 + shapeSegments + 1;
indices[currentIndex++] = startStepVertexIndex + nSegment + 1 + shapeSegments + 1;
indices[currentIndex++] = startStepVertexIndex + nSegment + shapeSegments + 1;
indices[currentIndex++] = startStepVertexIndex + nSegment;
}
}
lastPosition = pos;
lastRot = rot;
}
if (currentVertex != vertexCount)
{
Log.Fatal("RenderableCurve: UpdateRenderingGeometry: currentVertex != vertexCount.");
}
if (currentIndex != indexCount)
{
Log.Fatal("RenderableCurve: UpdateRenderingGeometry: currentIndex != indexCount.");
}
}
if (vertices.Length != 0 && indices.Length != 0)
{
//create mesh
string meshName = MeshManager.Instance.GetUniqueName(
string.Format("__RenderableCurve_{0}_{1}", Name, uniqueMeshIdentifier));
uniqueMeshIdentifier++;
//string meshName = MeshManager.Instance.GetUniqueName( string.Format( "__RenderableCurve_{0}", Name ) );
mesh = MeshManager.Instance.CreateManual(meshName);
SubMesh subMesh = mesh.CreateSubMesh();
subMesh.UseSharedVertices = false;
//init vertexData
VertexDeclaration declaration = subMesh.VertexData.VertexDeclaration;
declaration.AddElement(0, 0, VertexElementType.Float3, VertexElementSemantic.Position);
declaration.AddElement(0, 12, VertexElementType.Float3, VertexElementSemantic.Normal);
declaration.AddElement(0, 24, VertexElementType.Float2, VertexElementSemantic.TextureCoordinates, 0);
declaration.AddElement(0, 32, VertexElementType.Float4, VertexElementSemantic.Tangent, 0);
fixed(Vertex *pVertices = vertices)
{
subMesh.VertexData = VertexData.CreateFromArray(declaration, (IntPtr)pVertices,
vertices.Length * Marshal.SizeOf(typeof(Vertex)));
}
subMesh.IndexData = IndexData.CreateFromArray(indices, 0, indices.Length, false);
//set material
subMesh.MaterialName = materialName;
//set mesh gabarites
Bounds bounds = Bounds.Cleared;
foreach (Vertex vertex in vertices)
{
bounds.Add(vertex.position);
}
mesh.SetBoundsAndRadius(bounds, bounds.GetRadius());
}
}
//create MeshObject, SceneNode
if (mesh != null)
{
meshObject = SceneManager.Instance.CreateMeshObject(mesh.Name);
if (meshObject != null)
{
meshObject.SetMaterialNameForAllSubObjects(materialName);
meshObject.CastShadows = true;
sceneNode = new SceneNode();
sceneNode.Attach(meshObject);
//apply offset
sceneNode.Position = Position;
MapObject.AssociateSceneNodeWithMapObject(sceneNode, this);
}
}
//create collision body
if (mesh != null && collision)
{
Vec3[] positions = new Vec3[vertices.Length];
for (int n = 0; n < vertices.Length; n++)
{
positions[n] = vertices[n].position;
}
string meshPhysicsMeshName = PhysicsWorld.Instance.AddCustomMeshGeometry(positions, indices, null,
MeshShape.MeshTypes.TriangleMesh, 0, 0);
collisionBody = PhysicsWorld.Instance.CreateBody();
collisionBody.Static = true;
collisionBody._InternalUserData = this;
collisionBody.Position = Position;
MeshShape shape = collisionBody.CreateMeshShape();
shape.MeshName = meshPhysicsMeshName;
shape.MaterialName = CollisionMaterialName;
shape.ContactGroup = (int)ContactGroup.Collision;
//shape.VehicleDrivableSurface = collisionVehicleDrivableSurface;
collisionBody.PushedToWorld = true;
}
needUpdate = false;
}
