public static void Move(Contexts contexts, PlayerEntity player, ICharacterControllerContext controller, Vector3 dist, float deltaTime)
{
ResolveOverlapWithVehicle(contexts.vehicle, player, controller, deltaTime);
// enlarge distance if movement too small
if (dist.sqrMagnitude < 1E-4)
{
dist = Vector3.Normalize(dist);
dist *= 0.01f;
}
controller.Move(dist, deltaTime);
}
private static void ResolveOverlapWithVehicle(VehicleContext context, PlayerEntity player, ICharacterControllerContext controller, float deltaTime)
{
var gamePlay = player.gamePlay;
if (gamePlay.IsLifeState(EPlayerLifeState.Alive) && !gamePlay.IsVehicleCollisionState(EVehicleCollisionState.None))
{
var vehicle = context.GetEntityWithEntityKey(gamePlay.CollidedVehicleKey);
if (vehicle != null && vehicle.hasGameObject)
{
var transform = vehicle.gameObject.UnityObjWrapper.Value.transform;
var forward = transform.forward;
var right = transform.right;
var rootTransform = player.characterContoller.Value.transform;
var playerPosition = rootTransform.position;
var vehiclePosition = vehicle.gameObject.UnityObjWrapper.Value.transform.position;
var deltaPosition = playerPosition - vehiclePosition;
deltaPosition.y = 0;
deltaPosition = deltaPosition.normalized;
if (deltaPosition.sqrMagnitude < 1E-4f)
{
if (Mathf.Abs(forward.y) > 0.8)
{
deltaPosition = right;
}
else
{
deltaPosition = forward;
}
}
var moveDirection = Mathf.Abs(forward.y) < 0.8 ? forward : right;
var baseDirection = moveDirection;
var maxDot = float.NegativeInfinity;
//select the best overlap-resolve direction
foreach (var angle in _resolveRotateAngle)
{
var direction = Quaternion.AngleAxis(angle, transform.up) * baseDirection;
var dot = Vector3.Dot(direction, deltaPosition);
if (dot > maxDot)
{
moveDirection = direction;
maxDot = dot;
}
}
//resolve overlap according to direction
const int maxIterator = 2;
var velcoity = vehicle.GetLinearVelocity().magnitude;
var expectedDistance = velcoity * 0.333f;
for (int i = 1; i <= maxIterator; ++i)
{
moveDirection.y = 0;
moveDirection = moveDirection.normalized;
//move forward to resolve overlap
float resolveDist = 5.5f * i /*+ 0.1f*/;
controller.Move(moveDirection * resolveDist, deltaTime);
var position = rootTransform.position;
if (VehicleEntityUtility.IsPlayerOverlapAtPosition(player, position, UnityLayers.VehicleLayerMask))
{
rootTransform.position = playerPosition;
continue;
}
//move backward to close vehicle
var backDist = (playerPosition - rootTransform.position);
// var backMag = backDist.magnitude;
// if (backMag > expectedDistance)
// {
// var backNorm = backDist.normalized;
// backMag = backMag - expectedDistance;
// backDist = backMag * backNorm;
// }
if (backDist.sqrMagnitude > 1E-4f)
{
controller.Move(backDist, deltaTime);
}
break;
}
}
gamePlay.CollidedVehicleKey = new EntityKey();
}
}
