public Camera(Scene scene, string name, string src)
: base(scene, name, src)
{
pos = new Vector3();
target = new Vector3();
up = new Vector3(0.0f, 1.0f, 0.0f);
proj = new Matrix4();
view = Matrix4.Identity;
try
{
XmlDocument cameraXML = new XmlDocument();
cameraXML.Load(src);
foreach( XmlAttribute attrib in cameraXML.DocumentElement.Attributes )
{
if( attrib.Name == "ortho")
ortho = (attrib.Value == "true");
else if( attrib.Name == "fov")
fov = Convert.ToSingle(attrib.Value);
else if( attrib.Name == "near")
near = Convert.ToSingle(attrib.Value);
else if( attrib.Name == "far")
far = Convert.ToSingle(attrib.Value);
else if( attrib.Name == "left")
left = Convert.ToSingle(attrib.Value);
else if( attrib.Name == "right")
right = Convert.ToSingle(attrib.Value);
else if( attrib.Name == "top")
top = Convert.ToSingle(attrib.Value);
else if( attrib.Name == "bottom")
bottom = Convert.ToSingle(attrib.Value);
else if( attrib.Name == "static")
isStatic = (attrib.Value == "true");
else if( attrib.Name == "shadowDistance")
shadowDistance = Convert.ToSingle(attrib.Value);
else if( attrib.Name == "identityView")
identityView = (attrib.Value == "true");
}
foreach( XmlNode child in cameraXML.DocumentElement.ChildNodes )
{
if (child.NodeType == XmlNodeType.Element)
{
if (child.Name == "position")
{
var posX = Convert.ToSingle(child.Attributes.GetNamedItem("x").Value);
var posY = Convert.ToSingle(child.Attributes.GetNamedItem("y").Value);
var posZ = Convert.ToSingle(child.Attributes.GetNamedItem("z").Value);
pos = new Vector3(posX, posY, posZ);
}
else if (child.Name == "lookAt")
{
var lookAtX = Convert.ToSingle(child.Attributes.GetNamedItem("x").Value);
var lookAtY = Convert.ToSingle(child.Attributes.GetNamedItem("y").Value);
var lookAtZ = Convert.ToSingle(child.Attributes.GetNamedItem("z").Value);
target = new Vector3(lookAtX, lookAtY, lookAtZ);
}
else if (child.Name == "up")
{
var upX = Convert.ToSingle(child.Attributes.GetNamedItem("x").Value);
var upY = Convert.ToSingle(child.Attributes.GetNamedItem("y").Value);
var upZ = Convert.ToSingle(child.Attributes.GetNamedItem("z").Value);
up = new Vector3(upX, upY, upZ);
}
else if (child.Name == "shadowLight")
{
shadowLight = scene.GetLight(child.Attributes.GetNamedItem("name").Value, child.Attributes.GetNamedItem("src").Value);
}
}
}
}
catch(Exception )
{
System.Windows.Forms.MessageBox.Show("Failed to load camera: " + src);
}
if( shadowLight != null )
{
shadowCamera = true;
switch( shadowLight.type )
{
case "dir":
Vector3 tempVec = Vector3.Multiply(shadowLight.dir, -shadowDistance);
pos = target;
pos = Vector3.Add(target, tempVec);
break;
default:
break;
}
}
if( isStatic )
BuildProj(1);
}
public Light GetLight(string name, string src)
{
for (var i = 0; i < lights.Count; i++)
{
if (lights[i].name == name)
return lights[i];
}
Light light = new Light(this, name, src);
lights.Add(light);
return light;
}
public void AddLight(Light light)
{
if( lightCount < maxLights )
{
GL.Uniform3(lightDirs[lightCount], light.dir);
GL.Uniform3(lightCols[lightCount], light.color);
lightCount++;
}
}