private void ShowOneDebugPixelAt(Vector3 p, System.Drawing.Color c)
{
if (mNumPixelNodesUsed >= mPixelsToShow.numChildren())
{
// need to create new ones
UWB_Primitive prim = CreateSphereMesh();
prim.EnableLighting(false);
UWB_SceneNode pNode = new UWB_SceneNode();
pNode.setPrimitive(prim);
UWB_XFormInfo xf = pNode.getXFormInfo();
xf.SetTranslation(p);
xf.SetScale(new Vector3(kPixelSize));
pNode.setXFormInfo(xf);
prim.Material.Diffuse = Vector4.Zero;
prim.Material.Specular = Vector4.Zero;
prim.Material.Ambient = Vector4.Zero;
prim.Material.Emissive = new Vector4(c.R / 255.0f, c.G / 255.0f, c.B / 255.0f, 1f);
mPixelsToShow.insertChildNode(pNode);
}
else
{
// there are more to be reused ...
UWB_SceneNode n = mPixelsToShow.getChildNode(mNumPixelNodesUsed);
UWB_XFormInfo xf = n.getXFormInfo();
xf.SetTranslation(new Vector3(p.X, p.Y, p.Z));
UWB_Primitive prim = n.getPrimitive();
prim.setVisible(true);
prim.Material.Diffuse = Vector4.Zero;
prim.Material.Specular = Vector4.Zero;
prim.Material.Ambient = Vector4.Zero;
prim.Material.Emissive = new Vector4(c.R / 255.0f, c.G / 255.0f, c.B / 255.0f, 1f);
}
}
private void SetMeshMaterial(UWB_Primitive prim, RayTracer_552.RTMaterial mat)
{
prim.EnableLighting(true);
prim.setShadeMode(eShadeMode.smGouraud);
prim.Material.Emissive = new Vector4(Vector3.Zero, 1f);
prim.Material.Ambient = new Vector4(mat.GetAmbientColor, 1f);
prim.Material.Diffuse = new Vector4(mat.GetDiffuseColor, 1f);
prim.Material.Specular = new Vector4(mat.GetSpecularColor, 1f);
prim.Material.Power = mat.GetN;
}
private UWB_SceneNode CreateNode(Vector3 at, float sx, float sy, float sz, UWB_Primitive prim)
{
UWB_SceneNode pNode = new UWB_SceneNode();
pNode.setPrimitive(prim);
UWB_XFormInfo xf = pNode.getXFormInfo();
xf.SetTranslation(at);
xf.SetScale(new Vector3(sx, sy, sz));
pNode.setXFormInfo(xf);
m_SceneDatabase.insertChildNode(pNode);
return(pNode);
}
private void AddLights(RayTracer_552.SceneDatabase rtScene)
{
UWB_XNAGraphicsDevice.m_TheAPI.LightManager.ResetAllLights();
for (int l = 0; l < rtScene.GetNumLights(); l++)
{
RTLight lgt = rtScene.GetLight(l);
Vector4 useColor = new Vector4(lgt.GetColor(new Vector3(0, 0, 0)), 1f);
UWB_XNALight theLight = null;
if (lgt.GetLightSourceType() == RTLightType.RTLightSourceType.RTLightSourceTypeDirection)
{
theLight = UWB_XNAGraphicsDevice.m_TheAPI.LightManager.CreateDirectionalLight();
}
else if (lgt.GetLightSourceType() == RTLightType.RTLightSourceType.RTLightSourceTypeSpot)
{
theLight = UWB_XNAGraphicsDevice.m_TheAPI.LightManager.CreateSpotLight();
}
else
{
theLight = UWB_XNAGraphicsDevice.m_TheAPI.LightManager.CreatePointLight();
}
theLight.Ambient = Vector4.Zero;
theLight.Diffuse = useColor;
theLight.Specular = useColor;
theLight.Position = lgt.GetLightPosition();
theLight.Direction = -lgt.GetNormalizedDirection(Vector3.Zero);
theLight.Color = useColor;
theLight.Attenuation = new Vector3(1f, 0.0f, 0.0f);
theLight.Range = 10000f;
theLight.SwitchOnLight();
UWB_Primitive prim = CreateSphereMesh();
SetMeshMaterial(prim, rtScene.GetMaterial(0));
float scale = 0.25f;
CreateNode(lgt.GetLightPosition(), scale, scale, scale, prim);
}
}
