public static bool GetAimTarget(out RaycastHit hit, Vector2 minMax, Vector3 source, Transform aim, LayerMask layerMask, string m_IgnoreTag)
{
var aimPos = aim.position;
var aimForward = aim.forward;
//var pos = source.position;
var posDist = Vector3.Distance(aimPos, source);
aimPos += aimForward * posDist;
Debug.DrawLine(aim.position, aimPos, Color.red);
//hit.point = aimPos + (aimForward * minMax.y);
Ray ray = new Ray(aimPos, aimForward);
if (RuntimeUtility.RaycastIgnoreTag(ray, out hit, minMax.y, layerMask, m_IgnoreTag))
{
//target = hit.point;
Debug.DrawLine(aimPos, hit.point, Color.green);
}
else if (Physics.Raycast(aimPos + (aimForward * minMax.y), Vector3.down, out hit, minMax.y, layerMask, QueryTriggerInteraction.Ignore))
{
Debug.DrawLine(aimPos, hit.point, Color.yellow);
//target = hit.point;
}
else
{
hit.point = aimPos + (aimForward * minMax.y);
return(false);
}
var dist = Vector3.Distance(source, hit.point);
return(dist > minMax.x);
}
public bool GetTarget(out Vector3 target, float min, float max, Transform source, Transform aim, out Transform lockon)
{
lockon = null;
var aimPos = aim.transform.position;
var aimForward = aim.transform.forward;
var pos = source.position;
var posDist = Vector3.Distance(aimPos, pos);
aimPos += aimForward * posDist;
RaycastHit hit;
target = aimPos + (aimForward * max);
if (RuntimeUtility.SphereCastIgnoreTag(aimPos, targetRadius, cam.forward, out hit, max, targetLayerMask, m_IgnoreTag))
{
var heading = hit.point - aimPos;
Ray headinRay = new Ray(aimPos, heading.normalized);
if (RuntimeUtility.RaycastIgnoreTag(headinRay, out hit, max, layerMask, m_IgnoreTag))
{
target = hit.point;
if ((targetLayerMask & 1 << hit.collider.gameObject.layer) == 1 << hit.collider.gameObject.layer)
{
if (hit.collider.TryGetComponent(out Animator animator) && animator.isHuman)
{
lockon = animator.GetBoneTransform(HumanBodyBones.Head);
target = lockon.position;
}
}
}
}
if (!lockon)
{
Ray ray = new Ray(aimPos, cam.forward);
if (RuntimeUtility.RaycastIgnoreTag(ray, out hit, max, layerMask, m_IgnoreTag))
{
target = hit.point;
if ((targetLayerMask & 1 << hit.collider.gameObject.layer) == 1 << hit.collider.gameObject.layer)
{
if (hit.collider.TryGetComponent(out Animator animator) && animator.isHuman)
{
lockon = animator.GetBoneTransform(HumanBodyBones.Head);
target = lockon.position;
}
}
}
else if (Physics.Raycast(aimPos + (cam.forward * max), Vector3.down, out hit, max, layerMask, QueryTriggerInteraction.Ignore))
{
target = hit.point;
}
}
var dist = Vector3.Distance(aimPos, target);
return(dist > min);
}
private Vector3 PullCameraInFrontOfNearestObstacle(
Vector3 cameraPos, Vector3 lookAtPos, int layerMask, ref RaycastHit hitInfo)
{
Vector3 displacement = Vector3.zero;
Vector3 dir = cameraPos - lookAtPos;
float targetDistance = dir.magnitude;
if (_cinemachineCameraOffset)
{
targetDistance -= _cinemachineCameraOffset.m_Offset.z;
}
if (targetDistance > Epsilon)
{
dir /= targetDistance;
float minDistanceFromTarget = Mathf.Max(m_MinimumDistanceFromTarget, Epsilon);
if (targetDistance < minDistanceFromTarget + Epsilon)
{
displacement = dir * (minDistanceFromTarget - targetDistance);
}
else
{
float rayLength = targetDistance - minDistanceFromTarget;
if (m_DistanceLimit > Epsilon)
{
rayLength = Mathf.Min(m_DistanceLimit, rayLength);
}
// Make a ray that looks towards the camera, to get the obstacle closest to target
Ray ray = new Ray(cameraPos - rayLength * dir, dir);
rayLength += PrecisionSlush;
if (rayLength > Epsilon)
{
if (RuntimeUtility.RaycastIgnoreTag(
ray, out hitInfo, rayLength, layerMask, m_IgnoreTag))
{
// Pull camera forward in front of obstacle
float adjustment = Mathf.Max(0, hitInfo.distance - PrecisionSlush);
displacement = ray.GetPoint(adjustment) - cameraPos;
}
}
}
}
return(displacement);
}
private bool CheckForTargetObstructions(CameraState state)
{
if (state.HasLookAt)
{
Vector3 lookAtPos = state.ReferenceLookAt;
Vector3 pos = state.CorrectedPosition;
Vector3 dir = lookAtPos - pos;
float distance = dir.magnitude;
if (distance < Mathf.Max(m_MinimumDistanceFromTarget, Epsilon))
{
return(true);
}
Ray ray = new Ray(pos, dir.normalized);
RaycastHit hitInfo;
if (RuntimeUtility.RaycastIgnoreTag(ray, out hitInfo,
distance - m_MinimumDistanceFromTarget,
m_CollideAgainst & ~m_TransparentLayers, m_IgnoreTag))
{
return(true);
}
}
return(false);
}
private Vector3 RespectCameraRadius(Vector3 cameraPos, ref CameraState state)
{
Vector3 result = Vector3.zero;
if (m_CameraRadius < Epsilon || m_CollideAgainst == 0)
{
return(result);
}
Vector3 dir = state.HasLookAt ? (cameraPos - state.ReferenceLookAt) : Vector3.zero;
Ray ray = new Ray();
float distance = dir.magnitude;
if (distance > Epsilon)
{
dir /= distance;
ray = new Ray(state.ReferenceLookAt, dir);
}
// Pull it out of any intersecting obstacles
RaycastHit hitInfo;
int numObstacles = Physics.OverlapSphereNonAlloc(
cameraPos, m_CameraRadius, mColliderBuffer,
m_CollideAgainst, QueryTriggerInteraction.Ignore);
if (numObstacles == 0 && m_TransparentLayers != 0 &&
distance > m_MinimumDistanceFromTarget + Epsilon)
{
// Make sure the camera position isn't completely inside an obstacle.
// OverlapSphereNonAlloc won't catch those.
float d = distance - m_MinimumDistanceFromTarget;
Vector3 targetPos = state.ReferenceLookAt + dir * m_MinimumDistanceFromTarget;
if (RuntimeUtility.RaycastIgnoreTag(new Ray(targetPos, dir),
out hitInfo, d, m_CollideAgainst, m_IgnoreTag))
{
// Only count it if there's an incoming collision but not an outgoing one
Collider c = hitInfo.collider;
if (!c.Raycast(new Ray(cameraPos, -dir), out hitInfo, d))
{
mColliderBuffer[numObstacles++] = c;
}
}
}
if (numObstacles > 0 && distance == 0 || distance > m_MinimumDistanceFromTarget)
{
if (mCameraColliderGameObject == null)
{
mCameraColliderGameObject = new GameObject("CinemachineCollider Collider");
mCameraColliderGameObject.hideFlags = HideFlags.HideAndDontSave;
mCameraColliderGameObject.transform.position = Vector3.zero;
mCameraColliderGameObject.SetActive(true);
mCameraCollider = mCameraColliderGameObject.AddComponent <SphereCollider>();
mCameraCollider.isTrigger = true;
var rb = mCameraColliderGameObject.AddComponent <Rigidbody>();
rb.detectCollisions = false;
rb.isKinematic = true;
}
mCameraCollider.radius = m_CameraRadius;
Vector3 offsetDir;
float offsetDistance;
Vector3 newCamPos = cameraPos;
for (int i = 0; i < numObstacles; ++i)
{
Collider c = mColliderBuffer[i];
if (m_IgnoreTag.Length > 0 && c.CompareTag(m_IgnoreTag))
{
continue;
}
// If we have a lookAt target, move the camera to the nearest edge of obstacle
if (distance > m_MinimumDistanceFromTarget)
{
dir = newCamPos - state.ReferenceLookAt;
float d = dir.magnitude;
if (d > Epsilon)
{
dir /= d;
ray = new Ray(state.ReferenceLookAt, dir);
if (c.Raycast(ray, out hitInfo, d + m_CameraRadius))
{
newCamPos = ray.GetPoint(hitInfo.distance) - (dir * PrecisionSlush);
}
}
}
if (Physics.ComputePenetration(
mCameraCollider, newCamPos, Quaternion.identity,
c, c.transform.position, c.transform.rotation,
out offsetDir, out offsetDistance))
{
newCamPos += offsetDir * offsetDistance;
}
}
result = newCamPos - cameraPos;
}
// Respect the minimum distance from target - push camera back if we have to
if (distance > Epsilon)
{
float minDistance = Mathf.Max(m_MinimumDistanceFromTarget, m_CameraRadius) + PrecisionSlush;
Vector3 newOffset = cameraPos + result - state.ReferenceLookAt;
if (newOffset.magnitude < minDistance)
{
result = state.ReferenceLookAt - cameraPos + dir * minDistance;
}
}
return(result);
}
private Vector3 PushCameraBack(
Vector3 currentPos, Vector3 pushDir, RaycastHit obstacle,
Vector3 lookAtPos, Plane startPlane, float targetDistance, int iterations,
ref VcamExtraState extra)
{
// Take a step along the wall.
Vector3 pos = currentPos;
Vector3 dir = Vector3.zero;
if (!GetWalkingDirection(pos, pushDir, obstacle, ref dir))
{
return(pos);
}
Ray ray = new Ray(pos, dir);
float distance = GetPushBackDistance(ray, startPlane, targetDistance, lookAtPos);
if (distance <= Epsilon)
{
return(pos);
}
// Check only as far as the obstacle bounds
float clampedDistance = ClampRayToBounds(ray, distance, obstacle.collider.bounds);
distance = Mathf.Min(distance, clampedDistance + PrecisionSlush);
RaycastHit hitInfo;
if (RuntimeUtility.RaycastIgnoreTag(ray, out hitInfo, distance,
m_CollideAgainst & ~m_TransparentLayers, m_IgnoreTag))
{
// We hit something. Stop there and take a step along that wall.
float adjustment = hitInfo.distance - PrecisionSlush;
pos = ray.GetPoint(adjustment);
extra.AddPointToDebugPath(pos);
if (iterations > 1)
{
pos = PushCameraBack(
pos, dir, hitInfo,
lookAtPos, startPlane,
targetDistance, iterations - 1, ref extra);
}
return(pos);
}
// Didn't hit anything. Can we push back all the way now?
pos = ray.GetPoint(distance);
// First check if we can still see the target. If not, abort
dir = pos - lookAtPos;
float d = dir.magnitude;
RaycastHit hitInfo2;
if (d < Epsilon || RuntimeUtility.RaycastIgnoreTag(
new Ray(lookAtPos, dir), out hitInfo2, d - PrecisionSlush,
m_CollideAgainst & ~m_TransparentLayers, m_IgnoreTag))
{
return(currentPos);
}
// All clear
ray = new Ray(pos, dir);
extra.AddPointToDebugPath(pos);
distance = GetPushBackDistance(ray, startPlane, targetDistance, lookAtPos);
if (distance > Epsilon)
{
if (!RuntimeUtility.RaycastIgnoreTag(ray, out hitInfo, distance,
m_CollideAgainst & ~m_TransparentLayers, m_IgnoreTag))
{
pos = ray.GetPoint(distance); // no obstacles - all good
extra.AddPointToDebugPath(pos);
}
else
{
// We hit something. Stop there and maybe take a step along that wall
float adjustment = hitInfo.distance - PrecisionSlush;
pos = ray.GetPoint(adjustment);
extra.AddPointToDebugPath(pos);
if (iterations > 1)
{
pos = PushCameraBack(
pos, dir, hitInfo, lookAtPos, startPlane,
targetDistance, iterations - 1, ref extra);
}
}
}
return(pos);
}