public static BaseComponent LoadFromDefinition(ContentManager content, string definitionPath, BaseEntity parent)
{
CameraComponentDefinition compDef = content.Load <CameraComponentDefinition>(definitionPath);
CameraComponent newComponent = new CameraComponent(parent, compDef);
return(newComponent);
}
public CameraComponent(BaseEntity parent, CameraComponentDefinition compDef)
: base(parent)
{
ActivateComponent();
// If the definition file specifies something greater than zero for the aspect ratio then we
// ignore it and let the default take over.
if (compDef.AspectRatio > 0.0f)
{
this.lockAspectRatioToViewport = false;
this.aspectRatio = compDef.AspectRatio;
}
else
{
this.lockAspectRatioToViewport = true;
this.aspectRatio = this.parentEntity.Game.GraphicsDevice.Viewport.AspectRatio;
}
if (this.aspectRatio < float.Epsilon)
{
throw new ArgumentOutOfRangeException("aspectRatio cannot be zero or a negative value");
}
if (compDef.DefaultFOV > 0.0f)
{
this.defaultFOV = compDef.DefaultFOV;
}
if (compDef.StartingFOV > 0.0f)
{
this.FOV = compDef.StartingFOV;
}
this.zoomLevel = compDef.StartingZoomLevel;
if (compDef.NearPlane > 0.0f)
{
this.NearPlane = compDef.NearPlane;
}
if (compDef.FarPlane > 0.0f)
{
this.FarPlane = compDef.FarPlane;
}
this.forceFrustumAboveTerrain = compDef.ForceFrustumAboveTerrain;
SetFrustum(FOV, aspectRatio, nearPlane, farPlane);
UpdateProjectionMatrix();
// @todo: Set hasChanged flag to true (if we use a bool)
}