internal RTModelViewer()
{
m_DrawHelper.initializeModelTransform();
m_RootNode = new UWB_SceneNode("Scene");
NewSceneDatabase();
mCamera = new UWB_SceneNode();
UWB_SceneNode pAxisNode = new UWB_SceneNode("axis frame");
UWB_XFormInfo xf = pAxisNode.getXFormInfo();
xf.SetScale(new Vector3(3.0f, 3.0f, 3.0f));
pAxisNode.setXFormInfo(xf);
UWB_XNAPrimitiveMeshAxis pMeshAxis = new UWB_XNAPrimitiveMeshAxis();
//pMeshAxis.EnableBlending(true);
pAxisNode.setPrimitive(pMeshAxis);
m_RootNode.insertChildNode(pAxisNode);
m_WorldBounds.setCorners( new Vector3(-100,-100,-100), new Vector3(100,100,100) );
}
internal void AddRTScene(RayTracer_552.RTCamera c, RayTracer_552.SceneDatabase rtScene)
{
UWB_Primitive prim;
NewSceneDatabase();
SceneResource<RTGeometry> allGeom = rtScene.GetAllGeom();
for (int i = 0; i < allGeom.Count; i++)
{
RTGeometry g = (RTGeometry)allGeom.ResourceLookup(i);
switch (g.GeomType()) {
case RTGeometry.RTGeometryType.Sphere:
RTSphere s = (RTSphere)g;
prim = CreateSphereMesh();
SetMeshMaterial(prim, rtScene.GetMaterial(s.GetMaterialIndex()));
float scale =s.Radius/2f;
CreateNode(s.Center, scale, scale, scale, prim);
break;
case RTGeometry.RTGeometryType.Rectangle:
RTRectangle r = (RTRectangle) g;
prim = CreateRectangle(r);
SetMeshMaterial(prim, rtScene.GetMaterial(r.GetMaterialIndex()));
UWB_SceneNode node = CreateNode(r.GetCenter(), r.GetUSize()/2f, 1f, r.GetVSize()/2f, prim);
// now rotate the y-vector of node to point towards r.Normal;
float dot = (float)Math.Abs(Vector3.Dot(Vector3.UnitY, r.GetNormal()));
if (dot < 0.9999f)
{
float angle = (float)Math.Acos(dot);
Vector3 axis = Vector3.Cross(Vector3.UnitY, r.GetNormal());
axis.Normalize();
Quaternion q = Quaternion.CreateFromAxisAngle(axis, angle);
UWB_XFormInfo xf = node.getXFormInfo();
xf.SetRotationQuat(q);
node.setXFormInfo(xf);
}
break;
case RTGeometry.RTGeometryType.Triangle:
RTTriangle t = (RTTriangle)g;
Vector3[] v = t.GetVertices();
prim = new UWB_PrimitiveTriangle(v[0], v[1], v[2]);
prim.EnableLighting(true);
prim.EnableTexturing(false);
SetMeshMaterial(prim, rtScene.GetMaterial(t.GetMaterialIndex()));
CreateNode(Vector3.Zero, 1f, 1f, 1f, prim);
break;
}
}
AddCamera(c);
AddLights(rtScene);
// to show ray list
mShownRayX = mShownRayY = 0;
mRaysToShow = new UWB_PrimitiveList();
mDebugInfo = new UWB_SceneNode();
mDebugInfo.setPrimitive(mRaysToShow);
mDebugInfo.insertChildNode(mPixelsToShow.GetAllPixels());
mDebugInfo.insertChildNode(mPixelInWorld.GetAllPixels());
}