private List <T> readVecArray <T>(string id)
{
var data = xMesh
.Elements($"{ns}source").FirstOrDefault(x => x.Attribute("id").Value == id)
.Element($"{ns}float_array");
var count = int.Parse(data.Attribute("count").Value);
var array = ArrayParsers.ParseFloats(data.Value);
var result = new List <T>();
if (typeof(T) == typeof(Vector3))
{
for (var i = 0; i < count / 3; i++)
{
result.Add((T)(object)new Vector3(
array[i * 3],
array[i * 3 + 2],
array[i * 3 + 1]
));
}
}
else if (typeof(T) == typeof(Vector2))
{
for (var i = 0; i < count / 2; i++)
{
result.Add((T)(object)new Vector2(
array[i * 2],
array[i * 2 + 1]
));
}
}
return(result);
}
private void assembleVertices()
{
var poly = xMesh.Element($"{ns}polylist");
var typeCount = poly.Elements($"{ns}input").Count();
var id = ArrayParsers.ParseInts(poly.Element($"{ns}p").Value);
for (int i = 0; i < id.Count / typeCount; i++)
{
var textureIndex = -1;
var colorIndex = -1;
var index = 0;
var posIndex = id[i * typeCount + index]; index++;
var normalIndex = id[i * typeCount + index]; index++;
if (Textures != null)
{
textureIndex = id[i * typeCount + index]; index++;
}
if (Colors != null)
{
colorIndex = id[i * typeCount + index]; index++;
}
processVertex(posIndex, normalIndex, textureIndex, colorIndex);
}
}
private void setPhong(XElement effect)
{
var ambient = effect.Descendants($"{ns}phong")
.Descendants($"{ns}color")
.FirstOrDefault(x => x.Attribute("sid").Value == "ambient");
var diffuse = effect.Descendants($"{ns}phong")
.Descendants($"{ns}color")
.FirstOrDefault(x => x.Attribute("sid").Value == "diffuse");
var specular = effect.Descendants($"{ns}phong")
.Descendants($"{ns}color")
.FirstOrDefault(x => x.Attribute("sid").Value == "specular");
var shininess = effect.Descendants($"{ns}phong")
.Descendants($"{ns}float")
.FirstOrDefault(x => x.Attribute("sid").Value == "shininess");
if (ambient != null)
{
var aAmbient = ArrayParsers.ParseFloats(ambient.Value);
material.Ambient = new Vector4(aAmbient[0], aAmbient[1], aAmbient[2], aAmbient[3]);
}
else
{
material.Ambient = new Vector4(0.0f, 0.0f, 0.0f, 1.0f);
}
if (diffuse != null)
{
var aDiffuse = ArrayParsers.ParseFloats(diffuse.Value);
material.Diffuse = new Vector4(aDiffuse[0], aDiffuse[1], aDiffuse[2], aDiffuse[3]);
}
else
{
material.Diffuse = new Vector4(0.0f, 0.0f, 0.0f, 1.0f);
}
if (specular != null)
{
var aSpecular = ArrayParsers.ParseFloats(specular.Value);
material.Specular = new Vector4(aSpecular[0], aSpecular[1], aSpecular[2], aSpecular[3]);
}
else
{
material.Specular = new Vector4(0.0f, 0.0f, 0.0f, 1.0f);
}
if (shininess != null)
{
material.Shininess = float.Parse(shininess.Value);
}
else
{
material.Shininess = 0;
}
}
