private void FormChanged(object sender, System.EventArgs e)
{
if (!suspendEvents)
{
// Update WW setings from form
World.Settings.EnableSunShading = chkSunShading.Checked;
World.Settings.SunSynchedWithTime = !chkSunFixed.Checked;
World.Settings.SunHeading = MathEngine.DegreesToRadians(tbSunHeading.Value);
World.Settings.SunElevation = MathEngine.DegreesToRadians(tbSunElevation.Value);
// Disable controls if needed
if (chkSunShading.Checked)
{
chkSunFixed.Enabled = true;
}
else
{
chkSunFixed.Enabled = false;
}
if (chkSunFixed.Checked && chkSunFixed.Enabled)
{
tbSunHeading.Enabled = true;
tbSunElevation.Enabled = true;
}
else
{
tbSunHeading.Enabled = false;
tbSunElevation.Enabled = false;
}
// Draw heading and elevation graphics
DrawLightGraphics();
}
}
///<summary>
/// Goes to the extent specified by the bounding box for the QTS layer
/// </summary>
protected virtual void OnGotoExtentClick(object sender, EventArgs e)
{
lock (this.ParentList.ChildObjects.SyncRoot) {
for (int i = 0; i < this.ParentList.ChildObjects.Count; i++)
{
RenderableObject ro = (RenderableObject)this.ParentList.ChildObjects[i];
if (ro.Name.Equals(name))
{
if (ro is QuadTileSet)
{
QuadTileSet qts = (QuadTileSet)ro;
DrawArgs.Camera.SetPosition((qts.North + qts.South) / 2, (qts.East + qts.West) / 2);
double perpendicularViewRange = (qts.North - qts.South > qts.East - qts.West ? qts.North - qts.South : qts.East - qts.West);
double altitude = qts.LayerRadius * Math.Sin(MathEngine.DegreesToRadians(perpendicularViewRange * 0.5));
DrawArgs.Camera.Altitude = altitude;
break;
}
if (ro is ShapeFileLayer)
{
ShapeFileLayer slayer = (ShapeFileLayer)ro;
DrawArgs.Camera.SetPosition((slayer.North + slayer.South) / 2, (slayer.East + slayer.West) / 2);
double perpendicularViewRange = (slayer.North - slayer.South > slayer.East - slayer.West ? slayer.North - slayer.South : slayer.East - slayer.West);
double altitude = slayer.MaxAltitude;
DrawArgs.Camera.Altitude = altitude;
break;
}
}
}
}
}
/// <summary>
/// 初始化一个“CameraBase”实例
/// </summary>
/// <param name="targetPosition"></param>
/// <param name="radius">Planet's radius in meters</param>
public CameraBase(Vector3 targetPosition, double radius)
{
this._worldRadius = radius;
this._distance = 2 * _worldRadius;
this._altitude = this._distance;
maximumAltitude = 20 * _worldRadius;
//this._orientation = MathEngine.EulerToQuaternion(0,0,0);
//this.m_Orientation = Quaternion4d.EulerToQuaternion(0,0,0);
this.m_Orientation = Quaternion4d.EulerToQuaternion(
MathEngine.DegreesToRadians(targetPosition.Y),
MathEngine.DegreesToRadians(targetPosition.X),
MathEngine.DegreesToRadians(targetPosition.Z));
}
/// <summary>
/// This is where we do our rendering
/// Called from UI thread = UI code safe in this function
/// </summary>
public override void Render(DrawArgs drawArgs)
{
if (!isInitialized)
{
Initialize(drawArgs);
}
if (!isInitialized)
{
return;
}
if (isRendering)
{
// Avoid recursion when we render our right image from inside render
return;
}
isRendering = true;
try
{
Device device = drawArgs.device;
CameraBase camera = drawArgs.WorldCamera;
Matrix View = camera.ViewMatrix;
float eyeDist = m_interocularDistance / 100 * (float)camera.Distance;
device.Transform.View *= Matrix.Translation(eyeDist, 0f, 0f);
device.Transform.View *= Matrix.RotationY((float)MathEngine.DegreesToRadians(m_focusAngle));
RenderRightEye(drawArgs, m_rightTexture, camera);
// Combine results
device.RenderState.ZBufferEnable = false;
device.VertexFormat = CustomVertex.TransformedTextured.Format;
device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
device.TextureState[0].ColorArgument1 = TextureArgument.TextureColor;
device.RenderState.ColorWriteEnable = ColorWriteEnable.Green | ColorWriteEnable.Blue;
device.SetTexture(0, m_rightTexture);
device.DrawUserPrimitives(PrimitiveType.TriangleStrip, 2, windowQuad);
// Reset state
device.SetTexture(0, null);
device.RenderState.ColorWriteEnable = ColorWriteEnable.RedGreenBlueAlpha;
}
finally
{
isRendering = false;
}
}
public override void SetPosition(double lat, double lon, double heading, double _altitude, double tilt, double bank)
{
if (double.IsNaN(lat))
{
lat = this._latitude.Degrees;
}
if (double.IsNaN(lon))
{
lon = this._longitude.Degrees;
}
if (double.IsNaN(heading))
{
heading = this._heading.Degrees;
}
if (double.IsNaN(bank))
{
bank = _targetBank.Degrees;
}
this._targetOrientation = Quaternion4d.EulerToQuaternion(
MathEngine.DegreesToRadians(lon),
MathEngine.DegreesToRadians(lat),
MathEngine.DegreesToRadians(heading));
Point3d v = Quaternion4d.QuaternionToEuler(this._targetOrientation);
this._targetLatitude.Radians = v.Y;
this._targetLongitude.Radians = v.X;
this._targetHeading.Radians = v.Z;
if (!double.IsNaN(tilt))
{
this.Tilt = Angle.FromDegrees(tilt);
}
if (!double.IsNaN(_altitude))
{
Altitude = _altitude;
}
this.Bank = Angle.FromDegrees(bank);
}
///<summary>
/// 使照相机ZOOM到图层的位置。
/// </summary>
protected virtual void OnGotoClick(object sender, EventArgs e)
{
lock (this.ParentList.ChildObjects.SyncRoot)
{
for (int i = 0; i < this.ParentList.ChildObjects.Count; i++)
{
RenderableObject ro = (RenderableObject)this.ParentList.ChildObjects[i];
if (ro.Name.Equals(name))
{
if (ro is QuadTileSet)
{
QuadTileSet qts = (QuadTileSet)ro;
DrawArgs.Camera.SetPosition((qts.North + qts.South) / 2, (qts.East + qts.West) / 2);
double perpendicularViewRange = (qts.North - qts.South > qts.East - qts.West ? qts.North - qts.South : qts.East - qts.West);
double altitude = qts.LayerRadius * Math.Sin(MathEngine.DegreesToRadians(perpendicularViewRange * 0.5));
DrawArgs.Camera.Altitude = altitude;
break;
}
else
{
double north = Convert.ToDouble(ro.MetaData["north"]);
double south = Convert.ToDouble(ro.MetaData["south"]);
double west = Convert.ToDouble(ro.MetaData["west"]);
double east = Convert.ToDouble(ro.MetaData["east"]);
DrawArgs.Camera.SetPosition((north + south) / 2, (west + east) / 2);
}
if (ro is Icon)
{
Icon ico = (Icon)ro;
DrawArgs.Camera.SetPosition(ico.Latitude, ico.Longitude);
DrawArgs.Camera.Altitude /= 2;
break;
}
}
}
}
}
/// <summary>
/// Sets camera position.
/// </summary>
/// <param name="lat">Latitude in decimal degrees</param>
/// <param name="lon">Longitude in decimal degrees</param>
/// <param name="heading">Heading in decimal degrees</param>
/// <param name="_altitude">Altitude above ground level in meters</param>
/// <param name="tilt">Tilt in decimal degrees</param>
/// <param name="bank">Camera bank (roll) in decimal degrees</param>
public virtual void SetPosition(double lat, double lon, double heading, double _altitude, double tilt, double bank)
{
if (double.IsNaN(lat))
{
lat = this._latitude.Degrees;
}
if (double.IsNaN(lon))
{
lon = this._longitude.Degrees;
}
if (double.IsNaN(heading))
{
heading = this._heading.Degrees;
}
if (double.IsNaN(bank))
{
bank = this._bank.Degrees;
}
m_Orientation = Quaternion4d.EulerToQuaternion(
MathEngine.DegreesToRadians(lon),
MathEngine.DegreesToRadians(lat),
MathEngine.DegreesToRadians(heading));
Point3d p = Quaternion4d.QuaternionToEuler(m_Orientation);
_latitude.Radians = p.Y;
_longitude.Radians = p.X;
_heading.Radians = p.Z;
if (!double.IsNaN(tilt))
{
Tilt = Angle.FromDegrees(tilt);
}
if (!double.IsNaN(_altitude))
{
this.Altitude = _altitude;
}
this.Bank = Angle.FromDegrees(bank);
}
public override void Render(DrawArgs drawArgs)
{
// Vector3 here = MathEngine.SphericalToCartesian(drawArgs.WorldCamera.Latitude, drawArgs.WorldCamera.Longitude, this.layerRadius);
Matrix currentWorld = drawArgs.device.Transform.World;
drawArgs.device.RenderState.Lighting = true;
drawArgs.device.RenderState.ZBufferEnable = true;
drawArgs.device.Lights[0].Diffuse = System.Drawing.Color.White;
drawArgs.device.Lights[0].Type = LightType.Point;
drawArgs.device.Lights[0].Range = 100000;
drawArgs.device.Lights[0].Position = new Vector3(this.layerRadius, 0, 0);
drawArgs.device.Lights[0].Enabled = true;
drawArgs.device.RenderState.CullMode = Cull.None;
drawArgs.device.Transform.World = Matrix.Identity;
drawArgs.device.Transform.World *= Matrix.Scaling(this.scaleFactor, this.scaleFactor, this.scaleFactor);
//drawArgs.device.Transform.World *= Matrix.RotationX(MathEngine.RadiansToDegrees(90));
drawArgs.device.Transform.World *= Matrix.Translation(0, 0, -this.layerRadius);
drawArgs.device.Transform.World *= Matrix.RotationY((float)MathEngine.DegreesToRadians(90 - this.lat));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(180 + this.lon));
//drawArgs.device.Transform.World *= Matrix.RotationQuaternion(drawArgs.WorldCamera.CurrentOrientation);
drawArgs.device.TextureState[0].ColorOperation = TextureOperation.Disable;
drawArgs.device.RenderState.NormalizeNormals = true;
for (int i = 0; i < this.meshMaterials.Length; i++)
{
drawArgs.device.Material = this.meshMaterials[i];
this.mesh.DrawSubset(i);
}
drawArgs.device.Transform.World = currentWorld;
drawArgs.device.RenderState.CullMode = Cull.Clockwise;
drawArgs.device.RenderState.Lighting = false;
}
public override void Render(DrawArgs drawArgs)
{
if (errorMsg != null)
{
//System.Windows.Forms.MessageBox.Show( errorMsg, "Model failed to load.", MessageBoxButtons.OK, MessageBoxIcon.Error);
errorMsg = null;
IsOn = false;
isInitialized = false;
return;
}
if (!IsVisible(drawArgs.WorldCamera))
{
// Mesh is not in view, unload it to save memory
if (isInitialized)
{
Dispose();
}
return;
}
if (!isInitialized)
{
return;
}
drawArgs.device.RenderState.CullMode = Cull.None;
drawArgs.device.RenderState.Lighting = true;
drawArgs.device.RenderState.AmbientColor = 0x808080;
drawArgs.device.RenderState.NormalizeNormals = true;
drawArgs.device.Lights[0].Diffuse = Color.FromArgb(255, 255, 255);
drawArgs.device.Lights[0].Type = LightType.Directional;
drawArgs.device.Lights[0].Direction = new Vector3(1f, 1f, 1f);
drawArgs.device.Lights[0].Enabled = true;
drawArgs.device.SamplerState[0].AddressU = TextureAddress.Wrap;
drawArgs.device.SamplerState[0].AddressV = TextureAddress.Wrap;
drawArgs.device.RenderState.AlphaBlendEnable = true;
drawArgs.device.TextureState[0].ColorArgument1 = TextureArgument.TextureColor;
drawArgs.device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
// Put the light somewhere up in space
drawArgs.device.Lights[0].Position = new Vector3(
(float)worldXyz.X * 2f,
(float)worldXyz.Y * 1f,
(float)worldXyz.Z * 1.5f);
Matrix currentWorld = drawArgs.device.Transform.World;
drawArgs.device.Transform.World = Matrix.RotationX((float)MathEngine.DegreesToRadians(Rotx));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(Roty));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(Rotz));
drawArgs.device.Transform.World *= Matrix.Scaling(Scale, Scale, Scale);
// Move the mesh to desired location on earth
if (isVertExaggerable == true)
{
vertExaggeration = World.Settings.VerticalExaggeration;
}
else
{
vertExaggeration = 1;
}
drawArgs.device.Transform.World *= Matrix.Translation(0, 0, (float)drawArgs.WorldCamera.WorldRadius + (currentElevation * Convert.ToInt16(isElevationRelative2Ground) + Altitude) * vertExaggeration);
drawArgs.device.Transform.World *= Matrix.RotationY((float)MathEngine.DegreesToRadians(90 - Latitude));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(Longitude));
drawArgs.device.Transform.World *= Matrix.Translation(
(float)-drawArgs.WorldCamera.ReferenceCenter.X,
(float)-drawArgs.WorldCamera.ReferenceCenter.Y,
(float)-drawArgs.WorldCamera.ReferenceCenter.Z
);
for (int i = 0; i < meshMaterials.Length; i++)
{
// Set the material and texture for this subset
drawArgs.device.Material = meshMaterials[i];
drawArgs.device.SetTexture(0, meshTextures[i]);
// Draw the mesh subset
mesh.DrawSubset(i);
}
drawArgs.device.Transform.World = currentWorld;
drawArgs.device.RenderState.Lighting = false;
}
private void RenderBar(DrawArgs drawArgs)
{
bool lighting = drawArgs.device.RenderState.Lighting;
drawArgs.device.RenderState.Lighting = false;
Matrix translation = Matrix.Translation(
(float)(m_cartesianPoint.X - drawArgs.WorldCamera.ReferenceCenter.X),
(float)(m_cartesianPoint.Y - drawArgs.WorldCamera.ReferenceCenter.Y),
(float)(m_cartesianPoint.Z - drawArgs.WorldCamera.ReferenceCenter.Z)
);
if (m_extrudeVertices == null)
{
CreateExtrude(drawArgs.device);
}
if (m_useScaling)
{
double targetPercent = (m_targetScalar - m_scalarMinimum) / (m_scalarMaximum - m_scalarMinimum);
if (m_currentPercent != targetPercent)
{
double delta = Math.Abs(targetPercent - m_currentPercent);
delta *= 0.1;
if (m_currentPercent < targetPercent)
{
m_currentPercent += delta;
}
else
{
m_currentPercent -= delta;
}
}
if (getColor(m_currentPercent).ToArgb() != m_extrudeVertices[0].Color)
{
UpdateColor(m_currentPercent);
}
RenderedHeight = m_currentPercent * World.Settings.VerticalExaggeration * m_height;
drawArgs.device.Transform.World = Matrix.Scaling(m_scaleX, m_scaleY, (float)-m_currentPercent * World.Settings.VerticalExaggeration * (float)m_height);
}
else
{
if (m_color != m_extrudeVertices[0].Color)
{
UpdateColor(m_color);
}
RenderedHeight = m_height * World.Settings.VerticalExaggeration;
drawArgs.device.Transform.World = Matrix.Scaling(m_scaleX, m_scaleY, (float)-m_height * World.Settings.VerticalExaggeration);
}
drawArgs.device.Transform.World *= Matrix.RotationY((float)-MathEngine.DegreesToRadians(90));
drawArgs.device.Transform.World *= Matrix.RotationY((float)-MathEngine.DegreesToRadians(m_latitude));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(m_longitude));
drawArgs.device.Transform.World *= translation;
drawArgs.device.VertexFormat = CustomVertex.PositionColored.Format;
drawArgs.device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
drawArgs.device.TextureState[0].ColorArgument1 = TextureArgument.Diffuse;
drawArgs.device.TextureState[0].AlphaArgument1 = TextureArgument.Diffuse;
drawArgs.device.TextureState[0].AlphaOperation = TextureOperation.SelectArg1;
drawArgs.device.DrawIndexedUserPrimitives(PrimitiveType.TriangleList, 0, m_extrudeVertices.Length, m_extrudeIndices.Length / 3, m_extrudeIndices, true, m_extrudeVertices);
drawArgs.device.DrawIndexedUserPrimitives(PrimitiveType.LineList, 0, m_outlineVertices.Length, m_outlineIndices.Length / 2, m_outlineIndices, true, m_outlineVertices);
drawArgs.device.RenderState.Lighting = lighting;
}
/// <summary>
/// Create child tile terrain mesh
/// </summary>
protected void CreateElevatedMesh(ChildLocation corner, CustomVertex.PositionTextured[] vertices, double meshBaseRadius, float[,] heightData)
{
// Figure out child lat/lon boundaries (radians)
double north = MathEngine.DegreesToRadians(North);
double west = MathEngine.DegreesToRadians(West);
// Texture coordinate offsets
float TuOffset = 0;
float TvOffset = 0;
switch (corner)
{
case ChildLocation.NorthWest:
// defaults are all good
break;
case ChildLocation.NorthEast:
west = MathEngine.DegreesToRadians(0.5 * (West + East));
TuOffset = 0.5f;
break;
case ChildLocation.SouthWest:
north = MathEngine.DegreesToRadians(0.5 * (North + South));
TvOffset = 0.5f;
break;
case ChildLocation.SouthEast:
north = MathEngine.DegreesToRadians(0.5 * (North + South));
west = MathEngine.DegreesToRadians(0.5 * (West + East));
TuOffset = 0.5f;
TvOffset = 0.5f;
break;
}
double latitudeRadianSpan = MathEngine.DegreesToRadians(LatitudeSpan);
double longitudeRadianSpan = MathEngine.DegreesToRadians(LongitudeSpan);
double layerRadius = (double)QuadTileSet.LayerRadius;
double scaleFactor = 1.0 / vertexCountElevated;
int terrainLongitudeIndex = (int)(TuOffset * vertexCountElevated);
int terrainLatitudeIndex = (int)(TvOffset * vertexCountElevated);
int vertexCountElevatedPlus1 = vertexCountElevated / 2 + 1;
double radius = 0;
int vertexIndex = 0;
for (int latitudeIndex = -1; latitudeIndex <= vertexCountElevatedPlus1; latitudeIndex++)
{
int latitudePoint = latitudeIndex;
if (latitudePoint < 0)
{
latitudePoint = 0;
}
else if (latitudePoint >= vertexCountElevatedPlus1)
{
latitudePoint = vertexCountElevatedPlus1 - 1;
}
double latitudeFactor = latitudePoint * scaleFactor;
double latitude = north - latitudeFactor * latitudeRadianSpan;
// Cache trigonometric values
double cosLat = Math.Cos(latitude);
double sinLat = Math.Sin(latitude);
for (int longitudeIndex = -1; longitudeIndex <= vertexCountElevatedPlus1; longitudeIndex++)
{
int longitudePoint = longitudeIndex;
if (longitudePoint < 0)
{
longitudePoint = 0;
}
else if (longitudePoint >= vertexCountElevatedPlus1)
{
longitudePoint = vertexCountElevatedPlus1 - 1;
}
if (longitudeIndex != longitudePoint ||
latitudeIndex != latitudePoint)
{
if (heightData != null &&
(!renderStruts || m_CurrentOpacity < 255))
{
radius = layerRadius + heightData[terrainLatitudeIndex + latitudePoint, terrainLongitudeIndex + longitudePoint] * verticalExaggeration;
}
else
{
radius = meshBaseRadius;
}
// // Mesh base (flat)
// radius = meshBaseRadius;
}
else
{
// Top of mesh (real terrain)
radius = layerRadius + heightData[terrainLatitudeIndex + latitudeIndex, terrainLongitudeIndex + longitudeIndex] * verticalExaggeration;
}
double longitudeFactor = longitudePoint * scaleFactor;
// Texture coordinates
vertices[vertexIndex].Tu = TuOffset + (float)longitudeFactor;
vertices[vertexIndex].Tv = TvOffset + (float)latitudeFactor;
// Convert from spherical (radians) to cartesian
double longitude = west + longitudeFactor * longitudeRadianSpan;
double radCosLat = radius * cosLat;
vertices[vertexIndex].X = (float)(radCosLat * Math.Cos(longitude) - localOrigin.X);
vertices[vertexIndex].Y = (float)(radCosLat * Math.Sin(longitude) - localOrigin.Y);
vertices[vertexIndex].Z = (float)(radius * sinLat - localOrigin.Z);
vertexIndex++;
}
}
}
private void RenderFlag(DrawArgs drawArgs, double offset)
{
if (m_effect == null)
{
string outerrors = "";
System.Reflection.Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly();
Stream effectStream = assembly.GetManifestResourceStream("WorldWind.Shaders.flag.fx");
m_effect =
Effect.FromStream(
drawArgs.device,
effectStream,
null,
null,
ShaderFlags.None,
null,
out outerrors);
if (outerrors != null && outerrors.Length > 0)
{
Log.Write(Log.Levels.Error, outerrors);
}
}
if (m_vertexBuffer == null)
{
drawArgs.device.DeviceReset += new EventHandler(device_DeviceReset);
device_DeviceReset(drawArgs.device, null);
}
if (m_flagPoleVertices == null)
{
CreateFlagPole(drawArgs.device);
}
Vector3 pos =
MathEngine.SphericalToCartesian(m_latitude, m_longitude, World.EquatorialRadius + World.Settings.VerticalExaggeration * ScaleZ + offset);
Vector3 surfacePos = MathEngine.SphericalToCartesian(m_latitude, m_longitude, World.EquatorialRadius + offset);
Vector3 rc = new Vector3(
(float)drawArgs.WorldCamera.ReferenceCenter.X,
(float)drawArgs.WorldCamera.ReferenceCenter.Y,
(float)drawArgs.WorldCamera.ReferenceCenter.Z
);
drawArgs.device.Transform.World = Matrix.Scaling(World.Settings.VerticalExaggeration * ScaleX * 0.01f, World.Settings.VerticalExaggeration * ScaleY * 0.01f, -World.Settings.VerticalExaggeration * 2 * ScaleZ);
drawArgs.device.Transform.World *= Matrix.RotationY((float)-MathEngine.DegreesToRadians(90));
drawArgs.device.Transform.World *= Matrix.RotationY((float)-MathEngine.DegreesToRadians(m_latitude));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(m_longitude));
drawArgs.device.Transform.World *= Matrix.Translation(surfacePos - rc);
drawArgs.device.VertexFormat = CustomVertex.PositionColored.Format;
drawArgs.device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
drawArgs.device.TextureState[0].ColorArgument1 = TextureArgument.Diffuse;
drawArgs.device.TextureState[0].AlphaArgument1 = TextureArgument.Diffuse;
drawArgs.device.TextureState[0].AlphaOperation = TextureOperation.SelectArg1;
drawArgs.device.DrawIndexedUserPrimitives(PrimitiveType.TriangleList, 0, m_flagPoleVertices.Length, m_flagPoleIndices.Length / 3, m_flagPoleIndices, true, m_flagPoleVertices);
drawArgs.device.DrawIndexedUserPrimitives(PrimitiveType.LineList, 0, m_outlineFlagPoleVertices.Length, m_outlineFlagPoleIndices.Length / 2, m_outlineFlagPoleIndices, true, m_outlineFlagPoleVertices);
m_angle += .04f;
if (m_angle > 360)
{
m_angle = 0;
}
drawArgs.device.VertexFormat = CustomVertex.PositionNormalTextured.Format;
drawArgs.device.Transform.World = Matrix.Scaling(World.Settings.VerticalExaggeration * ScaleX, World.Settings.VerticalExaggeration * ScaleY, World.Settings.VerticalExaggeration * ScaleZ);
drawArgs.device.Transform.World *= Matrix.RotationY((float)-MathEngine.DegreesToRadians(m_latitude));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(m_longitude));
drawArgs.device.Transform.World *= Matrix.Translation(pos - rc);
Matrix worldViewProj = drawArgs.device.Transform.World * drawArgs.device.Transform.View * drawArgs.device.Transform.Projection;
System.DateTime currentTime = TimeKeeper.CurrentTimeUtc;
Point3d sunPosition = SunCalculator.GetGeocentricPosition(currentTime);
Vector3 sunVector = new Vector3(
(float)-sunPosition.X,
(float)-sunPosition.Y,
(float)-sunPosition.Z);
m_effect.Technique = "VertexAndPixelShader";
m_effect.SetValue("angle", (float)m_angle);
m_effect.SetValue("attentuation", Attentuation);
m_effect.SetValue("World", drawArgs.device.Transform.World);
m_effect.SetValue("View", drawArgs.device.Transform.View);
m_effect.SetValue("Projection", drawArgs.device.Transform.Projection);
m_effect.SetValue("Tex0", m_texture);
m_effect.SetValue("lightDir", new Vector4(sunVector.X, sunVector.Y, sunVector.Z, 0));
drawArgs.device.Indices = m_indexBuffer;
drawArgs.device.SetStreamSource(0, m_vertexBuffer, 0);
int numPasses = m_effect.Begin(0);
for (int i = 0; i < numPasses; i++)
{
m_effect.BeginPass(i);
drawArgs.device.DrawIndexedPrimitives(
PrimitiveType.TriangleList,
0,
0,
m_vertices.Length,
0,
m_indices.Length / 3);
m_effect.EndPass();
}
m_effect.End();
drawArgs.device.Indices = null;
drawArgs.device.Transform.World = drawArgs.WorldCamera.WorldMatrix;
drawArgs.device.Transform.View = drawArgs.WorldCamera.ViewMatrix;
}
private void renderHighlight(DrawArgs drawArgs)
{
bool lighting = drawArgs.device.RenderState.Lighting;
drawArgs.device.RenderState.Lighting = false;
if (m_highlightVertices == null)
{
m_highlightVertices = new CustomVertex.PositionColoredTextured[4];
m_highlightVertices[0].X = -0.5f;
m_highlightVertices[0].Y = 0.5f;
m_highlightVertices[0].Z = 0.0f;
m_highlightVertices[0].Tu = 0.0f;
m_highlightVertices[0].Tv = 0.0f;
m_highlightVertices[1].X = -0.5f;
m_highlightVertices[1].Y = -0.5f;
m_highlightVertices[1].Z = 0.0f;
m_highlightVertices[1].Tu = 0.0f;
m_highlightVertices[1].Tv = 1.0f;
m_highlightVertices[2].X = 0.5f;
m_highlightVertices[2].Y = 0.5f;
m_highlightVertices[2].Z = 0.0f;
m_highlightVertices[2].Tu = 1.0f;
m_highlightVertices[2].Tv = 0.0f;
m_highlightVertices[3].X = 0.5f;
m_highlightVertices[3].Y = -0.5f;
m_highlightVertices[3].Z = 0.0f;
m_highlightVertices[3].Tu = 1.0f;
m_highlightVertices[3].Tv = 1.0f;
}
if (HighlightTexture == null)
{
HighlightTexture = ImageHelper.LoadTexture(highlightTexturePath);
}
drawArgs.device.Transform.World = Matrix.RotationY((float)MathEngine.DegreesToRadians(90));
drawArgs.device.Transform.World *= Matrix.Scaling(World.Settings.VerticalExaggeration * ScaleX, World.Settings.VerticalExaggeration * ScaleY, World.Settings.VerticalExaggeration * ScaleZ);
drawArgs.device.Transform.World *= Matrix.RotationY((float)-MathEngine.DegreesToRadians(m_latitude));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(m_longitude));
Vector3 surfacePos = MathEngine.SphericalToCartesian(m_latitude, m_longitude, World.EquatorialRadius);
Vector3 rc = new Vector3(
(float)drawArgs.WorldCamera.ReferenceCenter.X,
(float)drawArgs.WorldCamera.ReferenceCenter.Y,
(float)drawArgs.WorldCamera.ReferenceCenter.Z
);
drawArgs.device.Transform.World *= Matrix.Translation(surfacePos - rc);
drawArgs.device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
drawArgs.device.TextureState[0].ColorArgument1 = TextureArgument.TextureColor;
drawArgs.device.TextureState[0].AlphaArgument1 = TextureArgument.TextureColor;
drawArgs.device.TextureState[0].AlphaOperation = TextureOperation.SelectArg1;
drawArgs.device.RenderState.ZBufferEnable = false;
drawArgs.device.SetTexture(0, HighlightTexture);
drawArgs.device.VertexFormat = CustomVertex.PositionColoredTextured.Format;
drawArgs.device.DrawUserPrimitives(PrimitiveType.TriangleStrip, 2, m_highlightVertices);
drawArgs.device.RenderState.ZBufferEnable = true;
drawArgs.device.RenderState.Lighting = lighting;
}
///<summary>
/// 使照相机ZOOM到图层的位置。
/// </summary>
protected virtual void OnGotoClick(object sender, EventArgs e)
{
lock (this.ParentList.ChildObjects.SyncRoot)
{
for (int i = 0; i < this.ParentList.ChildObjects.Count; i++)
{
RenderableObject ro = (RenderableObject)this.ParentList.ChildObjects[i];
if (ro.Name.Equals(name))
{
if (ro is QuadTileSet)
{//瓦片集
QuadTileSet qts = (QuadTileSet)ro;
//设置摄像机位置
DrawArgs.Camera.SetPosition((qts.North + qts.South) / 2, (qts.East + qts.West) / 2);
//垂直视域范围
double perpendicularViewRange = (qts.North - qts.South > qts.East - qts.West ? qts.North - qts.South : qts.East - qts.West);
//高度，海拔
DrawArgs.Camera.Altitude = qts.LayerRadius * Math.Sin(MathEngine.DegreesToRadians(perpendicularViewRange * 0.5));
break;
}
else if (ro is Icon)
{//图标
Icon ico = (Icon)ro;
DrawArgs.Camera.SetPosition(ico.Latitude, ico.Longitude);
if (ico.Altitude != 0)
{
DrawArgs.Camera.Altitude = ico.Altitude;
}
else
{
DrawArgs.Camera.Altitude = ico.MaximumDisplayDistance - 100000;
}
break;
}
else if (ro is Icons)
{
double lat = 0, lon = 0;
Icons icons = ro as Icons;
foreach (Icon icon in icons.ChildObjects)
{
lat += icon.Latitude;
lon += icon.Longitude;
}
lat /= ((Icons)ro).ChildObjects.Count;
lon /= ((Icons)ro).ChildObjects.Count;
DrawArgs.Camera.SetPosition(lat, lon);
if (icons.MaximumDisplayDistance > 16521634)
{
icons.MaximumDisplayDistance = 16521634;
}
DrawArgs.Camera.Altitude = icons.MaximumDisplayDistance - 100000;
break;
}
else if (ro is GCP)
{
GCP gcp = (GCP)ro;
DrawArgs.Camera.SetPosition(gcp.Latitude, gcp.Longitude);
break;
}
else if (ro is GCPs)
{
double lat = 0, lon = 0;
foreach (GCP gcp in ((GCPs)ro).ChildObjects)
{
lat += gcp.Latitude;
lon += gcp.Longitude;
}
lat /= ((GCPs)ro).ChildObjects.Count;
lon /= ((GCPs)ro).ChildObjects.Count;
DrawArgs.Camera.SetPosition(lat, lon);
break;
}
else
{
DrawArgs.Camera.SetPosition((ro.Extension.North + ro.Extension.South) / 2, (ro.Extension.West + ro.Extension.East) / 2);
//垂直视域范围
double perpendicularViewRange = (ro.Extension.North - ro.Extension.South > ro.Extension.East - ro.Extension.West ? ro.Extension.North - ro.Extension.South : ro.Extension.East - ro.Extension.West);
//高度，海拔
double alt = (float)(ro.World.EquatorialRadius) * Math.Sin(MathEngine.DegreesToRadians(perpendicularViewRange * 1.1));
if (alt > ro.MaximumDisplayDistance - 100000)
{
alt = ro.MaximumDisplayDistance - 100000;
}
DrawArgs.Camera.Altitude = alt;
}
}
}
}
}
public override void Render(DrawArgs drawArgs)
{
if (errorMsg != null)
{
//System.Windows.Forms.MessageBox.Show( errorMsg, "Model failed to load.", MessageBoxButtons.OK, MessageBoxIcon.Error);
errorMsg = null;
IsOn = false;
isInitialized = false;
return;
}
if (!IsVisible(drawArgs.WorldCamera))
{
// Mesh is not in view, unload it to save memory
if (isInitialized)
{
Dispose();
}
return;
}
if (!isInitialized)
{
return;
}
//Donot render for other planets
if (!drawArgs.CurrentWorld.IsEarth)
{
return;
}
drawArgs.device.RenderState.CullMode = Cull.None;
drawArgs.device.RenderState.Lighting = true;
drawArgs.device.RenderState.AmbientColor = 0x808080;
drawArgs.device.RenderState.NormalizeNormals = true;
drawArgs.device.Lights[0].Diffuse = Color.FromArgb(255, 255, 255);
drawArgs.device.Lights[0].Type = LightType.Directional;
drawArgs.device.Lights[0].Direction = new Vector3(1f, 1f, 1f);
drawArgs.device.Lights[0].Enabled = true;
drawArgs.device.SamplerState[0].AddressU = TextureAddress.Wrap;
drawArgs.device.SamplerState[0].AddressV = TextureAddress.Wrap;
drawArgs.device.RenderState.AlphaBlendEnable = true;
drawArgs.device.TextureState[0].ColorArgument1 = TextureArgument.TextureColor;
drawArgs.device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
// Put the light somewhere up in space
drawArgs.device.Lights[0].Position = new Vector3(
(float)worldXyz.X * 2f,
(float)worldXyz.Y * 1f,
(float)worldXyz.Z * 1.5f);
Matrix currentWorld = drawArgs.device.Transform.World;
drawArgs.device.Transform.World = Matrix.RotationX((float)MathEngine.DegreesToRadians(RotX));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(RotY));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(RotZ));
drawArgs.device.Transform.World *= Matrix.Scaling(Scale, Scale, Scale);
// Move the mesh to desired location on earth
if (IsVertExaggerable)
{
vertExaggeration = World.Settings.VerticalExaggeration;
}
else
{
vertExaggeration = 1;
}
drawArgs.device.Transform.World *= Matrix.Translation(0, 0, (float)drawArgs.WorldCamera.WorldRadius + Altitude * vertExaggeration);
drawArgs.device.Transform.World *= Matrix.RotationY((float)MathEngine.DegreesToRadians(90 - Latitude));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(Longitude));
drawArgs.device.Transform.World *= Matrix.Translation(
(float)-drawArgs.WorldCamera.ReferenceCenter.X,
(float)-drawArgs.WorldCamera.ReferenceCenter.Y,
(float)-drawArgs.WorldCamera.ReferenceCenter.Z
);
Device device = drawArgs.device;
// Draw the mesh with effect
if (isBumpmapped)
{
setupBumpEffect(drawArgs);
}
else
{
setupReflectionEffect(drawArgs);
}
//render the effect
bool alphastate = device.RenderState.AlphaBlendEnable;
device.RenderState.AlphaBlendEnable = true;
effect.Begin(0);
effect.BeginPass(0);
//drawArgs.device.SetTexture(0, texture);
m_meshElems[0].mesh.DrawSubset(0);
effect.EndPass();
effect.End();
device.RenderState.AlphaBlendEnable = alphastate;
drawArgs.device.Transform.World = currentWorld;
drawArgs.device.RenderState.Lighting = false;
}
/// <summary>
/// Gets called when user left clicks.
/// RenderableObject abstract member (needed)
/// Called from UI thread = UI code safe in this function
/// </summary>
public override bool PerformSelectionAction(DrawArgs drawArgs)
{
// Note: The following assignment to m is
// to match the assignment to
// drawArgs.device.Transform.World in Render().
// Changes to that matrix should be mirrored here
// until the assignment is centralized.
Matrix m = Matrix.RotationX((float)MathEngine.DegreesToRadians(RotX));
m *= Matrix.RotationY((float)MathEngine.DegreesToRadians(RotY));
m *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(RotZ));
m *= Matrix.Scaling(Scale, Scale, Scale);
if (IsVertExaggerable == true)
{
vertExaggeration = World.Settings.VerticalExaggeration;
}
else
{
vertExaggeration = 1;
}
m *= Matrix.Translation(0, 0, (float)(drawArgs.WorldCamera.WorldRadius + ((currentElevation + Altitude) * vertExaggeration)));
m *= Matrix.RotationY((float)MathEngine.DegreesToRadians(90 - Latitude));
m *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(Longitude));
m *= Matrix.Translation(
(float)-drawArgs.WorldCamera.ReferenceCenter.X,
(float)-drawArgs.WorldCamera.ReferenceCenter.Y,
(float)-drawArgs.WorldCamera.ReferenceCenter.Z
);
m = Matrix.Invert(m);
Vector3 v1 = new Vector3();
v1.X = DrawArgs.LastMousePosition.X;
v1.Y = DrawArgs.LastMousePosition.Y;
v1.Z = drawArgs.WorldCamera.Viewport.MinZ;
v1.Unproject(drawArgs.WorldCamera.Viewport,
drawArgs.WorldCamera.ProjectionMatrix,
drawArgs.WorldCamera.ViewMatrix,
drawArgs.WorldCamera.WorldMatrix);
Vector3 v2 = new Vector3();
v2.X = DrawArgs.LastMousePosition.X;
v2.Y = DrawArgs.LastMousePosition.Y;
v2.Z = drawArgs.WorldCamera.Viewport.MaxZ;
v2.Unproject(drawArgs.WorldCamera.Viewport,
drawArgs.WorldCamera.ProjectionMatrix,
drawArgs.WorldCamera.ViewMatrix,
drawArgs.WorldCamera.WorldMatrix);
v1.TransformCoordinate(m);
v2.TransformCoordinate(m);
bool sel = false;
foreach (MeshElem me in m_meshElems)
{
sel |= (me.mesh.Intersect(v1, v2 - v1));
}
if (sel)
{
}
return(sel);
}
public override void Render(DrawArgs drawArgs)
{
if (errorMsg != null)
{
//System.Windows.Forms.MessageBox.Show( errorMsg, "Model failed to load.", MessageBoxButtons.OK, MessageBoxIcon.Error);
errorMsg = null;
IsOn = false;
isInitialized = false;
return;
}
if (!IsVisible(drawArgs.WorldCamera))
{
// Mesh is not in view, unload it to save memory
//if (isInitialized)
//Dispose();
return;
}
if (!isInitialized)
{
this.Update(drawArgs);
}
// save current state
Matrix currentWorld = drawArgs.device.Transform.World;
Cull cullMode = drawArgs.device.RenderState.CullMode;
bool lighting = drawArgs.device.RenderState.Lighting;
int ambientColor = drawArgs.device.RenderState.AmbientColor;
bool normalizeNormals = drawArgs.device.RenderState.NormalizeNormals;
drawArgs.device.RenderState.CullMode = Cull.None;
drawArgs.device.RenderState.Lighting = true;
drawArgs.device.RenderState.AmbientColor = 0xCCCCCC; // 0x808080;
drawArgs.device.RenderState.NormalizeNormals = true;
drawArgs.device.Lights[0].Diffuse = Color.FromArgb(255, 255, 255);
drawArgs.device.Lights[0].Ambient = TintColor;
drawArgs.device.Lights[0].Type = LightType.Directional;
drawArgs.device.Lights[0].Direction = new Vector3(1f, 1f, 1f);
drawArgs.device.Lights[0].Enabled = true;
drawArgs.device.SamplerState[0].AddressU = TextureAddress.Wrap;
drawArgs.device.SamplerState[0].AddressV = TextureAddress.Wrap;
drawArgs.device.RenderState.AlphaBlendEnable = true;
drawArgs.device.TextureState[0].ColorArgument1 = TextureArgument.TextureColor;
drawArgs.device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
// Put the light somewhere up in space
drawArgs.device.Lights[0].Position = new Vector3(
(float)worldXyz.X * 2f,
(float)worldXyz.Y * 1f,
(float)worldXyz.Z * 1.5f);
drawArgs.device.Transform.World = Matrix.RotationX((float)MathEngine.DegreesToRadians(RotX));
drawArgs.device.Transform.World *= Matrix.RotationY((float)MathEngine.DegreesToRadians(RotY));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(RotZ));
drawArgs.device.Transform.World *= Matrix.Scaling(Scale, Scale, Scale);
// Move the mesh to desired location on earth
if (IsVertExaggerable == true)
{
vertExaggeration = World.Settings.VerticalExaggeration;
}
else
{
vertExaggeration = 1;
}
drawArgs.device.Transform.World *= Matrix.Translation(0, 0, (float)(drawArgs.WorldCamera.WorldRadius + ((currentElevation + Altitude) * vertExaggeration)));
drawArgs.device.Transform.World *= Matrix.RotationY((float)MathEngine.DegreesToRadians(90 - Latitude));
drawArgs.device.Transform.World *= Matrix.RotationZ((float)MathEngine.DegreesToRadians(Longitude));
drawArgs.device.Transform.World *= Matrix.Translation(
(float)-drawArgs.WorldCamera.ReferenceCenter.X,
(float)-drawArgs.WorldCamera.ReferenceCenter.Y,
(float)-drawArgs.WorldCamera.ReferenceCenter.Z
);
foreach (MeshElem me in m_meshElems)
{
try
{
for (int i = 0; i < me.meshMaterials.Length; i++)
{
// Set the material and texture for this subset
drawArgs.device.Material = me.meshMaterials[i];
drawArgs.device.SetTexture(0, me.meshTextures[i]);
// Draw the mesh subset
me.mesh.DrawSubset(i);
}
}
catch (Exception)
{
// Utility.Log.Write(name + caught);
}
}
drawArgs.device.Transform.World = currentWorld;
drawArgs.device.RenderState.Lighting = lighting;
drawArgs.device.RenderState.CullMode = cullMode;
drawArgs.device.RenderState.AmbientColor = ambientColor;
drawArgs.device.RenderState.NormalizeNormals = normalizeNormals;
}
