/// <summary>
/// Checks for any collisions between the camera and the target, calculating a new Z axis point that will not be obstructed by the cause of the collision.
/// </summary>
private void CameraCollision(float targetZ, ref float actualZ)
{
StateManager states = FindObjectOfType <StateManager>(); // Player reference
float step = Mathf.Abs(targetZ);
int stepCount = 1;
float stepIncrement = step / stepCount;
RaycastHit hit;
Vector3 origin = pivotPoint.position;
Vector3 direction = -pivotPoint.forward;
//Debug.DrawRay(origin, direction * step, Color.blue);
if (Physics.Raycast(origin, direction, out hit, step, cameraCollisionLayers)) // Raycast, ignoring the same layers as the player
{
if (!hit.transform.GetComponent <Enemy>()) // If the raycast returns an object which is not a player or enemy
{
//Debug.Log(hit.transform.root.name);
float distance = Vector3.Distance(hit.point, origin); // Calculate distance from the point hit and the origin
actualZ = -(distance / 2); // Halve the distance and convert to negative value
}
//Debug.Log(hit.transform.name + " was hit!");
}
else // If nothing is hit by the raycast...
{
//print("Nothing hit");
for (int s = 0; s < stepCount + 1; s++)
{
for (int i = 0; i < 4; i++) // Loop 4 times to raycast out in 4 different directions to check for additional obstacles to the camera
{
Vector3 dir = Vector3.zero;
Vector3 secondOrigin = origin + (direction * s) * stepIncrement;
switch (i)
{
case 0:
dir = cameraTransform.right;
break;
case 1:
dir = -cameraTransform.right;
break;
case 2:
dir = cameraTransform.up;
break;
case 3:
dir = -cameraTransform.up;
break;
}
//Debug.DrawRay(secondOrigin, dir * 0.5f, Color.red);
if (Physics.Raycast(secondOrigin, dir, out hit, 0.5f, cameraCollisionLayers)) // Raycast, ignoring the same layers as the player
{
if (!hit.transform.GetComponent <Enemy>()) // If the raycast returns an object which is not a player or enemy
{
//Debug.Log(hit.transform.root.name);
float distance = Vector3.Distance(secondOrigin, origin); // Calculate distance from both origins
actualZ = -(distance / 2); // Halve the distance and convert to negative value
if (actualZ < 0.2f)
{
actualZ = 0;
}
return;
}
}
}
}
}
}
