private void TickLadder()
{
//!!!!!â òèï?
const float ladderClimbingSpeedWalk = 1.5f;
const float ladderClimbingSpeedRun = 3;
SphereDir lookDirection = SphereDir.Zero;
{
PlayerIntellect playerIntellect = Intellect as PlayerIntellect;
if (playerIntellect != null)
{
lookDirection = playerIntellect.LookDirection;
}
}
bool wantMove =
Intellect.IsControlKeyPressed(GameControlKeys.Forward) ||
Intellect.IsControlKeyPressed(GameControlKeys.Backward) ||
Intellect.IsControlKeyPressed(GameControlKeys.Left) ||
Intellect.IsControlKeyPressed(GameControlKeys.Right);
Ladder ladder = FindLadder(currentLadder != null, wantMove, lookDirection);
if (ladder != currentLadder)
{
SetCurrentLadder(ladder);
}
if (currentLadder != null)
{
Line line = currentLadder.GetClimbingLine();
Vec3 projected = MathUtils.ProjectPointToLine(line.Start, line.End, Position);
Vec3 newPosition = projected;
float climbingSpeed = IsNeedRun() ? ladderClimbingSpeedRun : ladderClimbingSpeedWalk;
Vec3 moveVector = Vec3.Zero;
float lookingSide = new Radian(lookDirection.Vertical).InDegrees() > -20 ? 1 : -1;
moveVector.Z += Intellect.GetControlKeyStrength(GameControlKeys.Forward) * lookingSide;
moveVector.Z -= Intellect.GetControlKeyStrength(GameControlKeys.Backward) * lookingSide;
newPosition += moveVector * (TickDelta * climbingSpeed);
Position = newPosition;
if (mainBody != null)
{
mainBody.LinearVelocity = Vec3.Zero;
mainBody.AngularVelocity = Vec3.Zero;
}
}
}
private Ladder FindLadder(bool alreadyAttachedToSomeLadder, bool wantMove, SphereDir lookDirection)
{
float fromPositionToFloorDistance = (Type.Height - Type.WalkUpHeight) * .5f + Type.WalkUpHeight;
Ladder result = null;
Bounds bounds = MapBounds;
bounds.Expand(1);
Map.Instance.GetObjects(bounds, delegate(MapObject mapObject)
{
if (result != null)
{
return;
}
Ladder ladder = mapObject as Ladder;
if (ladder == null)
{
return;
}
//if (ladder.IsInvalidOrientation())
// return;
Line line = ladder.GetClimbingLine();
Vec3 projected = MathUtils.ProjectPointToLine(line.Start, line.End, Position);
//check by distance
float distanceToLine = (projected - Position).Length();
if (distanceToLine > .5f)
{
return;
}
//check by up and down limits
if (alreadyAttachedToSomeLadder)
{
if (projected.Z > line.End.Z + fromPositionToFloorDistance)
{
return;
}
}
else
{
if (projected.Z > line.End.Z + fromPositionToFloorDistance * .5f)
{
return;
}
}
if (projected.Z < line.Start.Z)
{
return;
}
//check by direction
bool isHorizontallyOrientedToLadder;
{
Vec2 ladderDirection2 = ladder.Rotation.GetForward().ToVec2();
Vec2 direction2 = Rotation.GetForward().ToVec2();
Radian angle = MathUtils.GetVectorsAngle(ladderDirection2, direction2);
isHorizontallyOrientedToLadder = angle.InDegrees() < 70;
}
if (Math.Abs(new Radian(lookDirection.Vertical).InDegrees()) < 45 &&
!isHorizontallyOrientedToLadder)
{
if (alreadyAttachedToSomeLadder)
{
if (wantMove)
{
return;
}
}
else
{
return;
}
}
//got ladder
result = ladder;
});
return(result);
}
