//Listens for camera control input from the player.
void GetInput()
{
var deadZone = 0.01f;
/*Must hold mouse button down to rotate camera around
* if(Input.GetMouseButtonDown (1))
* ToggleCursor(false, true);
* if(Input.GetMouseButtonUp (1))
* ToggleCursor(true, false);
* if(Input.GetMouseButton (1)){
* if((Input.GetAxis("Mouse X") > deadZone) || (Input.GetAxis ("Mouse X") < -deadZone))
* mouseX += Input.GetAxis ("Mouse X") * x_camSpeed;
* if((Input.GetAxis("Mouse Y") > deadZone) || (Input.GetAxis ("Mouse Y") < -deadZone))
* mouseY -= Input.GetAxis ("Mouse Y") * y_camSpeed;
* //Clamp Y-Mouse movement so cam doesn't go over players head
* mouseY = SYS_Help.ClampAngle(mouseY, y_minLimit, y_maxLimit);
* }
*/
//No mouse-holding required for cam steering
if ((Input.GetAxis("Mouse X") > deadZone) || (Input.GetAxis("Mouse X") < -deadZone))
{
mouseX += Input.GetAxis("Mouse X") * x_camSpeed;
}
if ((Input.GetAxis("Mouse Y") > deadZone) || (Input.GetAxis("Mouse Y") < -deadZone))
{
mouseY -= Input.GetAxis("Mouse Y") * y_camSpeed;
}
//Clamp Y-Mouse movement so cam doesn't go over players head
mouseY = SYS_Help.ClampAngle(mouseY, y_minLimit, y_maxLimit);
//Cam Zoom with mouse wheel
if ((Input.GetAxis("Mouse ScrollWheel") < -deadZone) || (Input.GetAxis("Mouse ScrollWheel") > deadZone))
{
desiredDistance = Mathf.Clamp(
distance - Input.GetAxis("Mouse ScrollWheel") * zoomSpeed,
distanceMin,
distanceMax);
preOccludedDist = desiredDistance;
occlusionSmooth = distanceSmooth;
}
}
//Checks for the nearest point from Camera to something occluding it
float CheckCameraPoints(Vector3 from, Vector3 to)
{
var nearestDistance = -1f; //Hasn't collided with anything
//Compare if any camera rays are hitting something
RaycastHit hitInfo;
SYS_Help.ClipPlanePoints clipPlanePoints = SYS_Help.ClipPlaneAtNear(to);
//Draw lines in the editor to visualize camera occlusion area
Debug.DrawLine(from, to + transform.forward * -camera.nearClipPlane, Color.red);
Debug.DrawLine(from, clipPlanePoints.UpperLeft);
Debug.DrawLine(from, clipPlanePoints.UpperRight);
Debug.DrawLine(from, clipPlanePoints.LowerLeft);
Debug.DrawLine(from, clipPlanePoints.LowerRight);
Debug.DrawLine(clipPlanePoints.UpperLeft, clipPlanePoints.UpperRight);
Debug.DrawLine(clipPlanePoints.UpperRight, clipPlanePoints.LowerRight);
Debug.DrawLine(clipPlanePoints.LowerRight, clipPlanePoints.LowerLeft);
Debug.DrawLine(clipPlanePoints.LowerLeft, clipPlanePoints.UpperLeft);
//Do line casts to check if the camera area is colliding with anything (ignores Player and System tags)
if (Physics.Linecast(from, clipPlanePoints.UpperLeft, out hitInfo) && (hitInfo.collider.tag != "Player" && hitInfo.collider.tag != "System"))
{
nearestDistance = hitInfo.distance;
}
if (Physics.Linecast(from, clipPlanePoints.LowerLeft, out hitInfo) && (hitInfo.collider.tag != "Player" && hitInfo.collider.tag != "System"))
{
if (hitInfo.distance < nearestDistance || nearestDistance == -1)
{
nearestDistance = hitInfo.distance;
}
}
if (Physics.Linecast(from, clipPlanePoints.UpperRight, out hitInfo) && (hitInfo.collider.tag != "Player" && hitInfo.collider.tag != "System"))
{
if (hitInfo.distance < nearestDistance || nearestDistance == -1)
{
nearestDistance = hitInfo.distance;
}
}
if (Physics.Linecast(from, clipPlanePoints.LowerRight, out hitInfo) && (hitInfo.collider.tag != "Player" && hitInfo.collider.tag != "System"))
{
if (hitInfo.distance < nearestDistance || nearestDistance == -1)
{
nearestDistance = hitInfo.distance;
}
}
if (Physics.Linecast(from, to + transform.forward * -camera.nearClipPlane, out hitInfo) && (hitInfo.collider.tag != "Player" && hitInfo.collider.tag != "System"))
{
if (hitInfo.distance < nearestDistance || nearestDistance == -1)
{
nearestDistance = hitInfo.distance;
}
}
return(nearestDistance);
}