public void Visit(Triangle3D triangle)
{
var globalTriangle = new Triangle3D {
A = ToAbsolute(triangle.A),
B = ToAbsolute(triangle.B),
C = ToAbsolute(triangle.C),
Material = triangle.Material
};
_decoratedShape = new RETriangle(globalTriangle);
}
private Shape3D ConvertShapeNode(ShapeNode node, float[,] transformation)
{
AppearanceNode appearance = (AppearanceNode)node.appearance.Node;
MaterialNode material = appearance.material.Node as MaterialNode;
if (node.geometry.Node is SphereNode) {
SphereNode sphereNode = (SphereNode)node.geometry.Node;
Sphere3D sphere = new Sphere3D();
//sphere.Position = new Graph3D.Framework.Math.Vector3D(0, 0, 0);
sphere.Radius = sphereNode.radius.Value;
SetAppearance(sphere, appearance);
return sphere;
}
if (node.geometry.Node is BoxNode) {
return null;
}
if (node.geometry.Node is IndexedFaceSetNode) {
IndexedFaceSetNode faceSetNode = (IndexedFaceSetNode)node.geometry.Node;
Shape3DComposite composite = new Shape3DComposite();
int facesCount = 0;
for (int i = 0; i < faceSetNode.coordIndex.length; i++)
if (faceSetNode.coordIndex[i] == -1) facesCount++;
MFVec3f coords = ((CoordinateNode)faceSetNode.coord.Node).point;
for (int faceOffsetIndex = 0; faceOffsetIndex < faceSetNode.coordIndex.length; faceOffsetIndex++) {
Triangle3D triangle;
triangle = new Triangle3D();
SFVec3f a = coords[faceSetNode.coordIndex[faceOffsetIndex]];
SFVec3f b = coords[faceSetNode.coordIndex[faceOffsetIndex + 1]];
SFVec3f c = coords[faceSetNode.coordIndex[faceOffsetIndex + 2]];
triangle.A = ConvertVector3D(a, transformation);
triangle.B = ConvertVector3D(b, transformation);
triangle.C = ConvertVector3D(c, transformation);
SetAppearance(triangle, appearance);
composite.Add(triangle);
faceOffsetIndex += 3;
while (faceSetNode.coordIndex[faceOffsetIndex] != -1) {
faceOffsetIndex++;
}
}
triangles += facesCount;
return composite;
}
return null;
}
public RETriangle(Triangle3D triangle)
: base(triangle, triangle.A, triangle.B - triangle.A, triangle.C - triangle.A) {
}
