/// <summary>
/// Custom Raycast using NearClipPlanesPoints
/// </summary>
/// <param name="_to"></param>
/// <param name="from"></param>
/// <param name="hitInfo"></param>
/// <param name="distance"></param>
/// <param name="cullingLayer"></param>
/// <returns></returns>
bool CullingRayCast(Vector3 from, ExtensionMethods.ClipPlanePoints _to, out RaycastHit hitInfo, float distance, LayerMask cullingLayer, Color color)
{
bool value = false;
if (Physics.Raycast(from, _to.LowerLeft - from, out hitInfo, distance, cullingLayer))
{
value = true;
cullingDistance = hitInfo.distance;
}
if (Physics.Raycast(from, _to.LowerRight - from, out hitInfo, distance, cullingLayer))
{
value = true;
if (cullingDistance > hitInfo.distance)
{
cullingDistance = hitInfo.distance;
}
}
if (Physics.Raycast(from, _to.UpperLeft - from, out hitInfo, distance, cullingLayer))
{
value = true;
if (cullingDistance > hitInfo.distance)
{
cullingDistance = hitInfo.distance;
}
}
if (Physics.Raycast(from, _to.UpperRight - from, out hitInfo, distance, cullingLayer))
{
value = true;
if (cullingDistance > hitInfo.distance)
{
cullingDistance = hitInfo.distance;
}
}
return(value);
}
/// <summary>
/// Camera behaviour
/// </summary>
void CameraMovement()
{
if (currentTarget == null)
{
return;
}
distance = Mathf.Lerp(distance, defaultDistance, smoothFollow * Time.deltaTime);
//_camera.fieldOfView = fov;
cullingDistance = Mathf.Lerp(cullingDistance, distance, Time.deltaTime);
var camDir = (forward * targetLookAt.forward) + (rightOffset * targetLookAt.right);
camDir = camDir.normalized;
var targetPos = new Vector3(currentTarget.position.x, currentTarget.position.y + offSetPlayerPivot, currentTarget.position.z);
currentTargetPos = targetPos;
desired_cPos = targetPos + new Vector3(0, height, 0);
current_cPos = currentTargetPos + new Vector3(0, currentHeight, 0);
RaycastHit hitInfo;
ExtensionMethods.ClipPlanePoints planePoints = _camera.NearClipPlanePoints(current_cPos + (camDir * (distance)), clipPlaneMargin);
ExtensionMethods.ClipPlanePoints oldPoints = _camera.NearClipPlanePoints(desired_cPos + (camDir * distance), clipPlaneMargin);
//Check if Height is not blocked
if (Physics.SphereCast(targetPos, checkHeightRadius, Vector3.up, out hitInfo, cullingHeight + 0.2f, cullingLayer))
{
var t = hitInfo.distance - 0.2f;
t -= height;
t /= (cullingHeight - height);
cullingHeight = Mathf.Lerp(height, cullingHeight, Mathf.Clamp(t, 0.0f, 1.0f));
}
//Check if desired target position is not blocked
if (CullingRayCast(desired_cPos, oldPoints, out hitInfo, distance + 0.2f, cullingLayer, Color.blue))
{
distance = hitInfo.distance - 0.2f;
if (distance < defaultDistance)
{
var t = hitInfo.distance;
t -= cullingMinDist;
t /= cullingMinDist;
currentHeight = Mathf.Lerp(cullingHeight, height, Mathf.Clamp(t, 0.0f, 1.0f));
current_cPos = currentTargetPos + new Vector3(0, currentHeight, 0);
}
}
else
{
currentHeight = height;
}
//Check if target position with culling height applied is not blocked
if (CullingRayCast(current_cPos, planePoints, out hitInfo, distance, cullingLayer, Color.cyan))
{
distance = Mathf.Clamp(cullingDistance, 0.0f, defaultDistance);
}
var lookPoint = current_cPos + targetLookAt.forward * 2f;
lookPoint += (targetLookAt.right * Vector3.Dot(camDir * (distance), targetLookAt.right));
targetLookAt.position = current_cPos;
Quaternion newRot = Quaternion.Euler(mouseY, mouseX, 0);
targetLookAt.rotation = Quaternion.Slerp(targetLookAt.rotation, newRot, smoothCameraRotation * Time.deltaTime);
transform.position = current_cPos + (camDir * (distance));
var rotation = Quaternion.LookRotation((lookPoint) - transform.position);
//lookTargetOffSet = Vector3.Lerp(lookTargetOffSet, Vector3.zero, 1 * Time.fixedDeltaTime);
//rotation.eulerAngles += rotationOffSet + lookTargetOffSet;
transform.rotation = rotation;
movementSpeed = Vector2.zero;
}
