public static PointSet CreateFromVertexSet(List <Vertex> verticies)
{
PointSet ps;
Coordinate coord;
Color colors;
Vector3[] points;
ps = new PointSet();
coord = new Coordinate();
colors = new Color();
points = verticies.Select(v => v.Position).ToArray();
colors.color = X3DTypeConverters.ToString(verticies.Select(v => v.Color.Xyz).ToArray());
coord.point = X3DTypeConverters.ToString(points);
coord.Parent = ps;
colors.Parent = ps;
ps.Children.Add(colors);
ps.Children.Add(coord);
ps.PrimativeType = PrimitiveType.Points;
return(ps);
}
public static IndexedLineSet CreateFromVertexSet(List <Vertex> verticies)
{
IndexedLineSet ils;
Coordinate coord;
Vector3[] points;
int[] indicies;
int i;
ils = new IndexedLineSet();
coord = new Coordinate();
points = verticies.Select(v => v.Position).ToArray();
i = -1;
indicies = verticies.Select(v => ++ i).ToArray();
coord.point = X3DTypeConverters.ToString(points);
ils.coordIndex = X3DTypeConverters.ToString(indicies);
ils.Children.Add(coord);
ils.PrimativeType = PrimitiveType.Lines;
return(ils);
}
public ElevationGrid BuildVaryingHeightMap(int xDimension, int zDimension,
float xSpacing, float zSpacing,
bool colorPerVertex,
ElevationColorSequencerDelegate colorSequencer,
HeightComputationDelegate geometrySequencer)
{
ElevationGrid g = new ElevationGrid();
Color colorNode = new Color();
int numHeights = xDimension * zDimension;
int faceIndex = 0;
Vector3 color;
int coordIndex = 0;
g.colorPerVertex = colorPerVertex;
g.xDimension = xDimension.ToString();
g.zDimension = zDimension.ToString();
g.xSpacing = xSpacing;
g.zSpacing = zSpacing;
g.height = string.Empty;
colorNode.color = string.Empty;
Console.WriteLine("Building varying height map (this could take a while)");
for (int x = 0; x < xDimension; x++)
{
for (int z = 0; z < zDimension; z++)
{
if (coordIndex % 4 == 0 && coordIndex > 0)
{
faceIndex++;
}
g.height += string.Format(" {0}", geometrySequencer(x, z));
if (colorSequencer != null)
{
color = colorSequencer(faceIndex, coordIndex, x, z);
colorNode.color += X3DTypeConverters.ToString(color) + ", ";
}
updateProgress(coordIndex, numHeights);
coordIndex++;
}
}
colorNode.color = colorNode.color.TrimStart();
colorNode.color = colorNode.color.Substring(0, colorNode.color.Length - 2);
g.height = g.height.TrimStart();
g.Children.Add(colorNode);
return(g);
}
public string ToFriendlyString()
{
return(string.Format(
"Material <ambientIntensity=\"{0}\", diffuse=\"{1}\", emissive=\"{2}\", shininess=\"{3}\", specular=\"{4}\", transparency=\"{5}\">",
ambientIntensity,
X3DTypeConverters.ToString(this._diffuseColor),
X3DTypeConverters.ToString(this._emissiveColor),
this._shininess,
X3DTypeConverters.ToString(this._specularColor),
this._transparency
));
}
/// <summary>
/// Updates the field with a new value just in the SceneGraph.
/// (Changes in the field are picked up by a currrently running X3DProgrammableShaderObject)
/// </summary>
public void setFieldValue(string name, object value)
{
field field = (field)this.Children
.FirstOrDefault(n => n.GetType() == typeof(field) &&
n.getAttribute("name").ToString() == name);
Type type;
object convValue;
Type conv;
try
{
type = X3DTypeConverters.X3DSimpleTypeToManagedType(field.type);
convValue = Convert.ChangeType(value, type);
conv = convValue.GetType();
if (conv == typeof(int))
{
UpdateField(name, X3DTypeConverters.ToString((int)convValue));
}
if (conv == typeof(float))
{
UpdateField(name, X3DTypeConverters.ToString((float)convValue));
}
if (conv == typeof(Vector3))
{
UpdateField(name, X3DTypeConverters.ToString((Vector3)convValue));
}
if (conv == typeof(Vector4))
{
UpdateField(name, X3DTypeConverters.ToString((Vector4)convValue));
}
if (conv == typeof(Matrix3))
{
UpdateField(name, X3DTypeConverters.ToString((Matrix3)convValue));
}
if (conv == typeof(Matrix4))
{
UpdateField(name, X3DTypeConverters.ToString((Matrix4)convValue));
}
}
catch
{
Console.WriteLine("error");
}
}
public static LineSet CreateFromVertexSet(List<Vertex> verticies, int vertexStride)
{
LineSet ils;
Coordinate coord;
Vector3[] points;
int[] indicies;
int i;
ils = new LineSet();
coord = new Coordinate();
points = verticies.Select(v => v.Position).ToArray();
i = -1;
indicies = verticies.Select(v => ++i).ToArray();
coord.point = X3DTypeConverters.ToString(points);
ils.vertexCount = vertexStride;
ils.Children.Add(coord);
ils.PrimativeType = PrimitiveType.LineLoop;
return ils;
}
public ElevationGrid BuildHeightmapFromTexture(
float xSpacing, float zSpacing,
Bitmap texture,
float maxHeight = 1.0f)
{
ElevationGrid g = new ElevationGrid();
Color colorNode = new Color();
int xDimension, zDimension;
int numHeights;
int faceIndex = 0;
int coordIndex = 0;
float height;
System.Drawing.Color color;
Vector3 vColor;
Vector3 vNTSCConversionWeight;
float grayscale;
g.colorPerVertex = true;
g.xSpacing = xSpacing;
g.zSpacing = zSpacing;
g.height = string.Empty;
colorNode.color = string.Empty;
xDimension = texture.Width;
zDimension = texture.Height;
numHeights = xDimension * zDimension;
g.xDimension = xDimension.ToString();
g.zDimension = zDimension.ToString();
Console.WriteLine("Building height map from texture (this could take a while)");
for (int x = 0; x < xDimension; x++)
{
for (int z = 0; z < zDimension; z++)
{
if (coordIndex % 4 == 0 && coordIndex > 0)
{
faceIndex++;
}
color = texture.GetPixel(x, z);
// Convert to grayscale using NTSC conversion weights
vColor = new Vector3(color.R / 255f, color.G / 255f, color.B / 255f);
vNTSCConversionWeight = new Vector3(0.299f, 0.587f, 0.114f);
grayscale = Vector3.Dot(vColor, vNTSCConversionWeight);
// Convert color to height value
height = (float)(grayscale) * maxHeight;
g.height += string.Format(" {0}", height);
colorNode.color += X3DTypeConverters.ToString(vColor) + ", ";
updateProgress(coordIndex, numHeights);
coordIndex++;
}
}
colorNode.color = colorNode.color.Trim();
colorNode.color = colorNode.color.Substring(0, colorNode.color.Length - 2);
g.height = g.height.TrimStart();
g.Children.Add(colorNode);
return(g);
}
