public void ApplyGravity()
{
if (Topography.IsNotInsideMapYBoundaries(Mobile.Position - new Vector2(0, Mobile.MobileFlipbook.SpriteHeight)))
{
if (Mobile.IsAlive)
{
Mobile.RequestDeath(CausaMortis.Bungee);
}
return;
}
int[] relPos = Topography.GetRelativePosition(Mobile.Position);
//Compute the where is the next collidable block bellow the pawn
int yPosition = 0;
for (; yPosition < Math.Max(Parameter.TankMovementMinYStepping, GravitySpeed); yPosition++)
{
if (relPos[1] + yPosition >= Topography.CollidableForegroundMatrix.Length)
{
continue;
}
if (relPos[0] > 0 && relPos[0] < Topography.MapHeight && Topography.CollidableForegroundMatrix[relPos[1] + yPosition][relPos[0]])
{
break;
}
}
//If the unit isn't on the ground
if (yPosition > 0)
{
//Update gravity values on the pawn
if (IsFalling)
{
gravityDelayTimer += Parameter.ProjectileMovementFixedElapedTime;
if (gravityDelayTimer > Parameter.TankMovementGravityDelay)
{
//Wind-changing accumulated offset
Vector2 wForce = (LevelScene.MatchMetadata != null) ? LevelScene.MatchMetadata.WindForceComponents().ToVector2() : Vector2.Zero;
windForceAccumulator = MathHelper.Clamp(windForceAccumulator + wForce.X / 45, -1, 1);
//Add interpolated movement
Vector2 newPosition = Mobile.Position + new Vector2((int)windForceAccumulator, Math.Min((int)GravitySpeed, yPosition));
//In case the mobile collides in walls the X axis stop updating in order to prevent wall clipping
if (Topography.IsInsideMapBoundaries(newPosition) && !Topography.CheckCollision(newPosition))
{
windForceAccumulator = 0;
}
Mobile.Position += new Vector2((int)windForceAccumulator, Math.Min((int)GravitySpeed, yPosition));
GravitySpeed += Parameter.TankMovementGravityFactor;
//Reseting the accumulator
if (Math.Abs(windForceAccumulator) >= 1)
{
windForceAccumulator = 0;
}
}
}
else
{
gravityDelayTimer = 0;
GravitySpeed = Parameter.TankMovementInitialGravity;
}
//Reset the rotation
BufferRotationInDegrees = 0;
//Set the state to falling
if (!IsFalling)
{
Mobile.ForceSynchronize = true;
IsFalling = true;
}
IsMoving = false;
//desiredPosition.Y = Mobile.Position.Y;
Mobile.ChangeFlipbookState(ActorFlipbookState.Falling, true);
}
else
{
//Set the the falling state to false
if (IsFalling == true)
{
IsFalling = false;
windForceAccumulator = 0;
Mobile.ChangeFlipbookState(ActorFlipbookState.Stand, true);
}
}
}