public Cloth()
{
const int gridSize = 10; // size in points per side of the cloth
Vertices = new List <Vertex>();
Normals = new List <Vector>();
Triangles = new List <Triangle>();
var material = new SalmonViewer.Material {
Diffuse = new[] { 1f, 0.5f, 1f }
};
Normals.Add(new Vector(0, 1, 0));
var normalIndex = 0;
for (int row = 0; row < gridSize; row++)
{
for (int col = 0; col < gridSize; col++)
{
Vertices.Add(new Vertex((double)row / gridSize, 0, (double)col / gridSize));
if (row < gridSize - 1 && col < gridSize - 1)
{
var vertIndex = row * gridSize + col;
Triangles.Add(new Triangle(vertIndex, vertIndex + 1, vertIndex + gridSize, normalIndex, normalIndex, normalIndex, material));
Triangles.Add(new Triangle(vertIndex + 1, vertIndex + gridSize + 1, vertIndex + gridSize, normalIndex, normalIndex, normalIndex, material));
}
}
}
CalcExtent();
PostProcessGeometry();
LoadingComplete = true;
LoadingError = false;
Logger.Log("Cloth has {0} vertices, {1} normals and {2} triangles", Vertices.Count, Normals.Count, Triangles.Count);
}
/// <summary>
/// Construct with valid normal indices.
/// </summary>
/// <param name="index1"></param>
/// <param name="index2"></param>
/// <param name="index3"></param>
/// <param name="normalIndex1"></param>
/// <param name="normalIndex2"></param>
/// <param name="normalIndex3"></param>
/// <param name="material"></param>
public Triangle(int index1, int index2, int index3, int normalIndex1, int normalIndex2, int normalIndex3, SalmonViewer.Material material)
{
Contract.Requires(material != null);
Contract.Requires(material.Ambient.Length == 3);
Contract.Requires(material.Diffuse.Length == 3);
Contract.Requires(material.Specular.Length == 3);
vertexIndex1 = index1;
vertexIndex2 = index2;
vertexIndex3 = index3;
vertexNormalIndex1 = normalIndex1;
vertexNormalIndex2 = normalIndex2;
vertexNormalIndex3 = normalIndex3;
centre = new Vector();
// Copy colors from SalmonViewer.Material object.
ambientMaterial = new Color(material.Ambient[0], material.Ambient[1], material.Ambient[2]);
diffuseMaterial = new Color(material.Diffuse[0], material.Diffuse[1], material.Diffuse[2]);
specularMaterial = new Color(material.Specular[0], material.Specular[1], material.Specular[2]);
specularMaterialExponent = material.Shininess;
//this.material = material;
}
//public uint color;
//public SalmonViewer.Material material;
/// <summary>
/// Construct with sentinel normal indices.
/// </summary>
/// <param name="index1"></param>
/// <param name="index2"></param>
/// <param name="index3"></param>
/// <param name="material"></param>
public Triangle(int index1, int index2, int index3, SalmonViewer.Material material)
: this(index1, index2, index3, -1, -1, -1, material)
{
Contract.Requires(material != null);
}
