protected new void Start()
{
if (screenCamera == null)
{
screenCamera = GetComponent <Camera>();
}
this.DisableAndThrowOnUnassignedReference(screenCamera, "The CameraWorld component requires a reference to a Camera component.");
if (nearPlaneDistance == 0f && farPlaneDistance == 0f)
{
nearPlaneDistance = screenCamera.nearClipPlane;
farPlaneDistance = screenCamera.farClipPlane;
}
if (wrappingPlaneDistance == 0f)
{
wrappingPlaneDistance = (nearPlaneDistance + farPlaneDistance) * 0.5f;
}
var frustumPlanes = GeometryUtility.CalculateFrustumPlanes(screenCamera);
var leftPlaneIndex = Geometry.FindMatchingPlane(screenCamera.transform.right, frustumPlanes);
var rightPlaneIndex = Geometry.FindMatchingPlane(-screenCamera.transform.right, frustumPlanes);
var lowerPlaneIndex = Geometry.FindMatchingPlane(screenCamera.transform.up, frustumPlanes);
var upperPlaneIndex = Geometry.FindMatchingPlane(-screenCamera.transform.up, frustumPlanes);
var wrappingPlane = new Plane(screenCamera.transform.forward, screenCamera.transform.position + screenCamera.transform.forward * nearPlaneDistance);
var origin = Geometry.Intersect(frustumPlanes[leftPlaneIndex], frustumPlanes[lowerPlaneIndex], wrappingPlane);
var rightPosition = Geometry.Intersect(frustumPlanes[rightPlaneIndex], frustumPlanes[lowerPlaneIndex], wrappingPlane);
var upperPosition = Geometry.Intersect(frustumPlanes[leftPlaneIndex], frustumPlanes[upperPlaneIndex], wrappingPlane);
_untransformedOrigin = transform.InverseTransformPoint(origin);
_untransformedAxis0Vector = transform.InverseTransformVector(rightPosition - origin);
_untransformedAxis1Vector = transform.InverseTransformVector(upperPosition - origin);
_untransformedAxis2Vector = transform.InverseTransformVector(screenCamera.transform.forward * (farPlaneDistance - nearPlaneDistance));
base.Start();
}
