public void ProcessKnockOut(HitCatapult knockoutInfo)
{
// hide the ball and strap
this.strapVisible = StrapVisible.Hidden;
this.BallVisible = BallVisible.Hidden;
this.Disabled = true;
// Remove everything except catpault base/prong
this.Delegate?.DidBreak(this, knockoutInfo.JustKnockedout, knockoutInfo.Vortex);
}
public void OnGrab(CameraInfo cameraInfo)
{
// this is now always at the center, so it shouldn't be affected by yaw
this.baseWorldPosition = this.Base.PresentationNode.WorldPosition;
this.firstGrabTime = GameTime.Time;
this.playerWorldPosition = cameraInfo.Ray.Position;
var ballPosition = this.ComputeBallPosition(cameraInfo);
this.rope.GrabBall(ballPosition);
this.strapVisible = StrapVisible.Visible;
this.BallVisible = BallVisible.Visible;
this.AlignCatapult(cameraInfo); // rotate the slingshot before we move it
this.AnimateGrab(ballPosition);
this.IsPulledTooFar = false;
}
public void SetProjectileType(ProjectileType projectileType, SCNNode projectile)
{
this.Projectile?.RemoveFromParentNode();
this.Projectile = projectile;
this.ProjectileType = projectileType;
this.projectileScale = projectile.Scale;
// the rope adjusts to the radius of the ball
var projectilePaddingScale = 1f;
nfloat radius = 0f;
var temp = SCNVector3.Zero;
projectile.GetBoundingSphere(ref temp, ref radius);
this.rope.SetBallRadius((float)radius * projectilePaddingScale);
// need ball to set a teamID, and then can color with same mechanism
//projectile.setPaintColor()
// will be made visible and drop when cooldown is exceeded,
// this way ball doesn't change suddenly while visible
this.BallVisible = BallVisible.Hidden;
this.UpdateFakeProjectileVisibility();
}
public void OnLaunch(GameVelocity velocity)
{
if (this.isGrabbed)
{
// can't grab again until the cooldown animations play
ballCanBeGrabbed = false;
// update local information for current player if that is what is pulling the catapult
// start the launch animation
this.rope.LaunchBall();
// must reset the move to distance 0 before the launch, otherwise it will start a new
// stretch sound.
this.Delegate?.DidMove(this, 0f, 0f);
this.Delegate?.DidLaunch(this, velocity);
// set the ball to invisible
this.BallVisible = BallVisible.Hidden;
// record the last launch time, and enforce a cooldown before ball reappears (need an update call then?)
this.lastLaunchTime = GameTime.Time;
}
}
public void Update()
{
if (this.Disabled)
{
this.BallVisible = BallVisible.Hidden;
}
else
{
this.rope.UpdateRopeModel();
// ball on the sling will remain invisible until cooldown time exceeded
// base this on animation of sling coming back to rest
if (this.ballVisible == BallVisible.Hidden)
{
// make sure cooldown doesn't occur starting the ball animation
// until a few seconds after loading the level
if (this.lastLaunchTime == 0d)
{
this.lastLaunchTime = GameTime.Time;
}
// only allow grabbing the ball after the cooldown animations play (grow + drop)
var timeElapsed = GameTime.Time - this.lastLaunchTime;
var timeForCooldown = this.properties.CooldownTime - this.properties.GrowAnimationTime - this.properties.DropAnimationTime;
if (timeForCooldown < 0.01)
{
timeForCooldown = 0d;
}
var startCooldownAnimation = timeElapsed > timeForCooldown;
if (startCooldownAnimation)
{
// show the ball at the ballOrigin, that's in the sling
this.BallVisible = BallVisible.Partial;
}
}
this.UpdateCatapultStable();
// Make sure that the ball stays in its place even if the catapult move
if (this.ballCanBeGrabbed)
{
if (this.isGrabbed)
{
if (this.Projectile == null)
{
throw new Exception("isGrabbed but has no projectile");
}
this.rope.MoveBall(this.Projectile.WorldPosition);
}
else
{
if (this.Projectile != null)
{
this.Projectile.WorldPosition = this.ballOriginInactiveBelow.PresentationNode.WorldPosition;
}
}
}
}
}