public virtual void Update(Device device)
{
this.viewPort = device.Viewport;
Vector3d p = Quaternion4d.QuaternionToEulerV3D(m_Orientation);
if (!double.IsNaN(p.Y))
{
this._latitude.Radians = p.Y;
}
if (!double.IsNaN(p.X))
{
this._longitude.Radians = p.X;
}
if (!double.IsNaN(p.Z))
{
this._heading.Radians = p.Z;
}
m_Orientation = Quaternion4d.EulerToQuaternion(_longitude.Radians, _latitude.Radians, _heading.Radians);
ComputeProjectionMatrix(viewPort);
ComputeViewMatrix();
Matrix proh = (Matrix)ConvertDX.FromMatrix4d(m_ProjectionMatrix);
device.Transform.Projection = proh;
device.Transform.View = (Matrix)ConvertDX.FromMatrix4d(m_ViewMatrix);
//TODO JHJ 默认就是单位矩阵
//device.Transform.World = (Matrix)ConvertDX.FromMatrix4d(m_WorldMatrix);
ViewFrustum.Update(
Matrix4d.Multiply(m_WorldMatrix,
Matrix4d.Multiply(m_ViewMatrix, m_ProjectionMatrix)));
// Old view range (used in quadtile logic)
double factor = (this._altitude) / this._worldRadius;
if (factor > 1)
{
viewRange = Angle.FromRadians(Math.PI);
}
else
{
viewRange = Angle.FromRadians(Math.Abs(Math.Asin((this._altitude) / this._worldRadius)) * 2);
}
// True view range
if (factor < 1)
{
trueViewRange = Angle.FromRadians(Math.Abs(Math.Asin((this._distance) / this._worldRadius)) * 2);
}
else
{
trueViewRange = Angle.FromRadians(Math.PI);
}
}
public static Matrix4d operator *(Matrix4d left, Matrix4d right)
{
return(Matrix4d.Multiply(left, right));
}
