private float mThetaRange; // range from 0 to this value (mPeroid * 2PI)
#endregion Fields
#region Constructors
/// <summary>
/// Constrcuts from the commandfile.
/// DO NOT change the pasing loop unless you know what you are doing.
/// </summary>
/// <param name="parser"></param>
public RTTextureType_Sine(CommandFileParser parser)
{
mPeriod = 1f;
mDirection = Vector2.UnitX;
while (!parser.IsEndElement("texture"))
{
if (parser.IsElement() && (!parser.IsElement("texture")))
{
if (parser.IsElement("period"))
mPeriod = parser.ReadFloat();
else if (parser.IsElement("direction"))
mDirection = parser.ReadVector2();
else if (parser.IsElement("color1"))
mColor1 = parser.ReadVector3();
else if (parser.IsElement("color2"))
mColor2 = parser.ReadVector3();
else
parser.ParserError("TextureType_Sine");
}
else
parser.ParserRead();
}
mThetaRange = mPeriod * (float) Math.PI * 2f;
mDirection = Vector2.Normalize(mDirection);
}
private int mXResolution, mYResolution; // parse result from resolution
#endregion Fields
#region Constructors
/// <summary>
/// Constructor from parser.
/// Please DO NOT change the parser, unless you really know what you are doing!!
/// </summary>
/// <param name="parser"></param>
public ImageSpec(CommandFileParser parser)
{
mXResolution = 64;
mYResolution = 64;
mSamplesPerPixel = 1;
parser.ParserRead();
while (!parser.IsEndElement("imagespec"))
{
if (parser.IsElement() && (!parser.IsElement("imagespec")))
{
if (parser.IsElement("samples"))
mSamplesPerPixel = parser.ReadInt();
else if (parser.IsElement("resolution"))
{
Vector2 n = parser.ReadVector2();
mXResolution = (int)n.X;
mYResolution = (int)n.Y;
}
else
parser.ParserError("ImageSpec");
}
else
parser.ParserRead();
}
}
private int mXResolution, mYResolution; // parse result from resolution
/// <summary>
/// Constructor from parser.
/// Please DO NOT change the parser, unless you really know what you are doing!!
/// </summary>
/// <param name="parser"></param>
public ImageSpec(CommandFileParser parser)
{
mXResolution = 64;
mYResolution = 64;
mSamplesPerPixel = 1;
parser.ParserRead();
while (!parser.IsEndElement("imagespec"))
{
if (parser.IsElement() && (!parser.IsElement("imagespec")))
{
if (parser.IsElement("samples"))
{
mSamplesPerPixel = parser.ReadInt();
}
else if (parser.IsElement("resolution"))
{
Vector2 n = parser.ReadVector2();
mXResolution = (int)n.X;
mYResolution = (int)n.Y;
}
else
{
parser.ParserError("ImageSpec");
}
}
else
{
parser.ParserRead();
}
}
}
private Vector3[] mVertices; // always 3 vertices
#endregion Fields
#region Constructors
/// <summary>
/// Constructs from parsing file and then intialize for intersection computation.
/// </summary>
/// <param name="parser"></param>
public RTTriangle(CommandFileParser parser)
{
mType = RTGeometryType.Triangle;
// do we have a transform?
bool hasTransform = false;
Matrix xform = Matrix.Identity;
mVertices = new Vector3[3];
mVertexUV = new Vector2[3];
mMaterialIndex = 0;
int count = 0;
parser.ParserRead();
while (!parser.IsEndElement("triangle"))
{
if (parser.IsElement() && (!parser.IsElement("triangle")))
{
if (parser.IsElement("vertices"))
{
mVertices[count] = parser.ReadVector3();
} else
if (parser.IsElement("uv"))
{
mVertexUV[count] = parser.ReadVector2();
count++;
}
else if (parser.IsElement("xform"))
{
hasTransform = true;
xform = ParseTransform(parser);
}
else if (parser.IsElement("material"))
mMaterialIndex = parser.ReadInt();
else
parser.ParserError("Triangle");
}
else
parser.ParserRead();
}
if (count != 3)
{
parser.ParserError("Triangle: vertex indexPtr = " + count);
}
else
{
if (hasTransform)
{
mVertices[0] = Vector3.Transform(mVertices[0], xform);
mVertices[1] = Vector3.Transform(mVertices[1], xform);
mVertices[2] = Vector3.Transform(mVertices[2], xform);
}
InitializeTriangle();
}
}
/// <summary>
/// Constrcuts from the commandfile.
/// DO NOT change the pasing loop unless you know what you are doing.
/// </summary>
/// <param name="parser"></param>
public RTTextureType_Sine(CommandFileParser parser)
{
mPeriod = 1f;
mDirection = Vector2.UnitX;
while (!parser.IsEndElement("texture"))
{
if (parser.IsElement() && (!parser.IsElement("texture")))
{
if (parser.IsElement("period"))
{
mPeriod = parser.ReadFloat();
}
else if (parser.IsElement("direction"))
{
mDirection = parser.ReadVector2();
}
else if (parser.IsElement("color1"))
{
mColor1 = parser.ReadVector3();
}
else if (parser.IsElement("color2"))
{
mColor2 = parser.ReadVector3();
}
else
{
parser.ParserError("TextureType_Sine");
}
}
else
{
parser.ParserRead();
}
}
mThetaRange = mPeriod * (float)Math.PI * 2f;
mDirection = Vector2.Normalize(mDirection);
}
private Vector2 mD02, mD12; // delta UV between vertex-0 and 2; and vertex-1 and 2
/// <summary>
/// Constructs from parsing file and then intialize for intersection computation.
/// </summary>
/// <param name="parser"></param>
public RTTriangle(CommandFileParser parser)
{
mType = RTGeometryType.Triangle;
// do we have a transform?
bool hasTransform = false;
Matrix xform = Matrix.Identity;
mVertices = new Vector3[3];
mVertexUV = new Vector2[3];
mMaterialIndex = 0;
int count = 0;
parser.ParserRead();
while (!parser.IsEndElement("triangle"))
{
if (parser.IsElement() && (!parser.IsElement("triangle")))
{
if (parser.IsElement("vertices"))
{
mVertices[count] = parser.ReadVector3();
}
else
if (parser.IsElement("uv"))
{
mVertexUV[count] = parser.ReadVector2();
count++;
}
else if (parser.IsElement("xform"))
{
hasTransform = true;
xform = ParseTransform(parser);
}
else if (parser.IsElement("material"))
{
mMaterialIndex = parser.ReadInt();
}
else
{
parser.ParserError("Triangle");
}
}
else
{
parser.ParserRead();
}
}
if (count != 3)
{
parser.ParserError("Triangle: vertex indexPtr = " + count);
}
else
{
if (hasTransform)
{
mVertices[0] = Vector3.Transform(mVertices[0], xform);
mVertices[1] = Vector3.Transform(mVertices[1], xform);
mVertices[2] = Vector3.Transform(mVertices[2], xform);
}
InitializeTriangle();
}
}
