private int Reset( VIEWPLANE p_ViewPlane )
{
m_Scale = 1.0f;
m_WorldScale = 1.0f;
m_XDelta = 0.0f;
m_YDelta = 0.0f;
m_ZDelta = 0.0f;
m_ViewPlane = p_ViewPlane;
m_CameraPosition = Vector3.Zero;
m_LookPoint = Vector3.Zero;
m_ClearColour = new Color( 8, 8, 8 );
switch( m_ViewPlane )
{
case VIEWPLANE.VIEWPLANE_XY:
{
this.Name = "Orthographic View [Front]";
m_CameraPosition.Z = -1000.0f;
break;
}
case VIEWPLANE.VIEWPLANE_XZ:
{
this.Name = "Orthographic View [Top]";
m_CameraPosition.Y = 1000.0f;
break;
}
case VIEWPLANE.VIEWPLANE_YZ:
{
this.Name = "Orthographic View [Side]";
m_CameraPosition.X = 1000.0f;
break;
}
}
m_MiddleButtonDown = false;
if( m_Grid != null )
{
m_Grid.ViewPlane = m_ViewPlane;
}
return 0;
}
public OrthographicViewControl( VIEWPLANE p_ViewPlane )
: base()
{
this.Reset( p_ViewPlane );
}
public int Create( VIEWPLANE p_Type, int p_Width, int p_Height,
float p_Stride, float p_Offset, Color p_NormalColour,
int p_HeavyDivision, Color p_HeavyColour)
{
m_Effect.Alpha = 1.0f;
m_Effect.LightingEnabled = false;
m_Effect.VertexColorEnabled = true;
Vector3 [ ] Vertices = new Vector3[ ( ( p_Width + p_Height ) * 2 ) + 4 ];
float HalfColumns = p_Width / 2;
float HalfRows = p_Height / 2;
float RowStart = -HalfRows * p_Stride;
float ColumnStart = -HalfColumns * p_Stride;
float RowIndex = RowStart;
float ColumnIndex = ColumnStart;
int Row = 0;
int Column = 0;
m_ViewPlane = p_Type;
m_ViewPlane = VIEWPLANE.VIEWPLANE_XZ;
for( Row = 0; Row < p_Height * 2; ++Row )
{
Vertices[ Row ] = new Vector3( ColumnStart, 0.0f, RowIndex );
++Row;
Vertices[ Row ] = new Vector3( -ColumnStart, 0.0f, RowIndex );
RowIndex += p_Stride;
}
// Add the last edge to the row
Vertices[ Row ] = new Vector3( ColumnStart, 0.0f, RowIndex );
++Row;
Vertices[ Row ] = new Vector3( -ColumnStart, 0.0f, RowIndex );
++Row;
for( Column = 0; Column < p_Width * 2; ++Column )
{
Vertices[ Row + Column ] = new Vector3( ColumnIndex,
0.0f, RowStart );
++Column;
Vertices[ Row + Column ] = new Vector3( ColumnIndex,
0.0f, -RowStart );
ColumnIndex += p_Stride;
}
// Add the last edge to the column
Vertices[ Row + Column ] = new Vector3( ColumnIndex,
0.0f, RowStart );
++Column;
Vertices[ Row + Column ] = new Vector3( ColumnIndex,
0.0f, -RowStart );
m_Vertices = new VertexPositionColor[ ( ( p_Width + p_Height ) * 2 ) + 4];
int LineCount = 0;
for( int i = 0; i < ( p_Height * 2 ) + 2; ++i )
{
m_Vertices[ i ].Position = Vertices[ i ];
if( ( i % ( p_HeavyDivision * 2 ) ) == 0 )
{
m_Vertices[ i ].Color = p_HeavyColour;
m_Vertices[ i + 1 ].Color = p_HeavyColour;
++i;
++LineCount;
m_Vertices[ i ].Position = Vertices[ i ];
}
else
{
m_Vertices[ i ].Color = p_NormalColour;
}
++LineCount;
}
for( int i = 0; i < ( p_Width * 2 ) + 2; ++i )
{
m_Vertices[ i + LineCount ].Position = Vertices[ i + LineCount ];
if( ( i % ( p_HeavyDivision *2 ) ) == 0 )
{
m_Vertices[ i + LineCount ].Color = p_HeavyColour;
m_Vertices[ i + LineCount + 1 ].Color = p_HeavyColour;
++i;
m_Vertices[ i + LineCount ].Position = Vertices[ i + LineCount ];
}
else
{
m_Vertices[ i + LineCount ].Color = p_NormalColour;
}
}
m_VertexBuffer = new VertexBuffer( m_GraphicsDevice,
typeof( VertexPositionColor ), ( ( p_Width + p_Height ) * 2 ) + 4,
BufferUsage.None );
m_VertexBuffer.SetData< VertexPositionColor >( m_Vertices );
m_ViewPlane = p_Type;
m_TotalWidth = p_Width * p_Stride;
m_TotalHeight = p_Height * p_Stride;
return 0;
}
