private float CheckCameraPoints(Vector3 from, Vector3 to)
{
float nearestDistance = -1f;
RaycastHit hitInfo;
ThirdPerson_Helper.ClipPlanePoints clipPlanePoints =
ThirdPerson_Helper.ClipPlaneAtNear(to);
// Draw the raycasts going through the near clip plane vertexes.
Debug.DrawLine(from, to + transform.forward * -GetComponent <Camera> ().nearClipPlane, Color.red);
Debug.DrawLine(from, clipPlanePoints.upperLeft, Color.red);
Debug.DrawLine(from, clipPlanePoints.upperRight, Color.red);
Debug.DrawLine(from, clipPlanePoints.lowerLeft, Color.red);
Debug.DrawLine(from, clipPlanePoints.lowerRight, Color.red);
Debug.DrawLine(clipPlanePoints.upperLeft, clipPlanePoints.upperRight, Color.red);
Debug.DrawLine(clipPlanePoints.upperRight, clipPlanePoints.lowerRight, Color.red);
Debug.DrawLine(clipPlanePoints.lowerRight, clipPlanePoints.lowerLeft, Color.red);
Debug.DrawLine(clipPlanePoints.lowerLeft, clipPlanePoints.upperLeft, Color.red);
if (Physics.Linecast(from, clipPlanePoints.upperLeft, out hitInfo) && hitInfo.collider.tag != "Player")
{
nearestDistance = hitInfo.distance;
}
if (Physics.Linecast(from, clipPlanePoints.lowerLeft, out hitInfo) && hitInfo.collider.tag != "Player")
{
if (hitInfo.distance < nearestDistance || nearestDistance == -1)
{
nearestDistance = hitInfo.distance;
}
}
if (Physics.Linecast(from, clipPlanePoints.upperRight, out hitInfo) && hitInfo.collider.tag != "Player")
{
if (hitInfo.distance < nearestDistance || nearestDistance == -1)
{
nearestDistance = hitInfo.distance;
}
}
if (Physics.Linecast(from, to + transform.forward * -GetComponent <Camera> ().nearClipPlane, out hitInfo) && hitInfo.collider.tag != "Player")
{
if (hitInfo.distance < nearestDistance || nearestDistance == -1)
{
nearestDistance = hitInfo.distance;
}
}
return(nearestDistance);
}
private bool CheckBehindCam(Vector3 to) // Checks the area behind the camera to make sure the camera can back up to its desired spot
{
RaycastHit hitInfo;
Vector3 pos = CalculatePosition(mouseY, mouseX, preOccludedDistance);
ThirdPerson_Helper.ClipPlanePoints clipPlanePoints =
ThirdPerson_Helper.ClipPlaneAtNear(to);
/* Debug.DrawLine(this.transform.position, pos, Color.blue);
* Debug.DrawLine(clipPlanePoints.upperLeft, pos, Color.blue);
* Debug.DrawLine(clipPlanePoints.upperRight, pos, Color.blue);
* Debug.DrawLine(clipPlanePoints.lowerLeft, pos, Color.blue);
* Debug.DrawLine(clipPlanePoints.lowerRight, pos, Color.blue);
*/
if (Physics.Linecast(clipPlanePoints.upperLeft, pos, out hitInfo))
{
return(false);
}
if (Physics.Linecast(clipPlanePoints.upperLeft, pos, out hitInfo))
{
return(false);
}
if (Physics.Linecast(clipPlanePoints.upperRight, pos, out hitInfo))
{
return(false);
}
if (Physics.Linecast(clipPlanePoints.lowerLeft, pos, out hitInfo))
{
return(false);
}
if (Physics.Linecast(clipPlanePoints.lowerRight, pos, out hitInfo))
{
return(false);
}
return(true);
}
