void Start()
{
if (npcBase == null)
{
npcBase = gameObject.GetComponent <NPC_Enemy> ();
}
StartSensor();
}
public void CheckForIntercepts()
{
//Description: If arm is available, this method checks for (and identifies) any intercepts with enemies
//Validations & Initializations:
if (!equipped)
{
return; //Do not check for intercepts if arm is not currently equipped
}
List <Collider2D> overlaps = new List <Collider2D>(); //Initialize list to store overlapping colliders
ContactFilter2D filter = new ContactFilter2D(); //Initialize contact filter for intercept collider
//Set Collider Filter:
filter.useDepth = false; //Set filter to ignore depth
filter.useTriggers = true; //Set filter to use trigger colliders
filter.SetLayerMask(LayerMask.GetMask("InterceptionFields")); //Set filter to mask out all colliders other than interception fields
//Check Current Overlaps:
reachField.OverlapCollider(filter, overlaps); //Populate list of current interception field overlaps
//Compare With Known Intercepts:
for (int x = 0; x < intercepts.Count; x++) //Iterate through list of known intercepts...
{
//Initializations & Validations:
Intercept thisIntercept = intercepts[x]; //Get shorthand for this intercept
Collider2D interceptCollider = thisIntercept.collider; //Get known collider from intercept
bool foundCollider = false; //Initialize marker to track whether or not intercept could find its collider
//Check for Continuity:
for (int y = 0; y < overlaps.Count; y++) //Iterate through list of found colliders...
{
if (overlaps[y] == interceptCollider) //If collider matches that of this intercept...
{
foundCollider = true; //Indicate that this intercept continues to be valid
overlaps.RemoveAt(y); //Remove collider from list of potential new intercepts
break; //Break loop and continue to next task
}
}
//Update or Remove Intercept:
if (foundCollider) //UPDATE intercept, as collider was found successfully:
{
UpdateIntercept(thisIntercept); //Update intercept data
}
else //REMOVE intercept, as collider can no longer be found:
{
thisIntercept.enemy.intercepted = false; //Indicate that enemy is no longer intercepted
player.intercepts.Remove(thisIntercept); //Remove this intercept from player list
intercepts.RemoveAt(x); //Remove this intercept from this arm's list
}
}
//Create New Intercepts:
for (int x = 0; x < overlaps.Count; x++) //For each unclaimed overlap...
{
//Initializations & Validations:
NPC_Enemy interceptedEnemy = overlaps[x].GetComponentInParent <NPC_Enemy>(); //Get enemy controller from overlap collider
if (interceptedEnemy == null)
{
return; //Skip function if target does not have enemy controller
}
if (interceptedEnemy.intercepted)
{
return; //Skip function if target has already been intercepted by other arm
}
//Generate Intercept Core:
Intercept newIntercept = new Intercept(); //Initialize new intercept
newIntercept.enemy = interceptedEnemy; //Set intercept enemy
newIntercept.collider = overlaps[x]; //Set intercept collider
newIntercept.arm = this; //Set intercept arm
//Get Intercept Data:
UpdateIntercept(newIntercept); //Now that intercept has necessary core data, run an initial update
//Intercept Generation Cleanup:
intercepts.Add(newIntercept); //Add new intercept to this arm's list of interceptions
player.intercepts.Add(newIntercept); //Add new intercept to player's list of interceptions
interceptedEnemy.intercepted = true; //Indicate to enemycontroller that it has been intercepted
}
//..Xx Sub-Methods xX...............................................................................
void UpdateIntercept(Intercept intercept)
{
//Description: Updates intercept data based on relationship between player and intercepted enemy
//Initializations & Validations:
Vector2 enemyVel = intercept.enemy.velocity; //Get enemy velocity vector
Vector2 armVel = localVelocity; //Get arm velocity vector
//Find Intercept Vector:
intercept.vector = -(enemyVel + armVel); //Add velocity vectors to get vector of interception
Vector2 correctedVector = intercept.vector.Rotate(player.transform.rotation.z); //Get interception vector relative to absolute rotation of player
//Cleanup:
intercept.duration += Time.fixedDeltaTime; //Update duration (CheckIntercepts should be run during FixedUpdate)
//..Xx Debuggers xX.................................................................................
//Debug.DrawLine(grabPoint.position, grabPoint.position + interceptVector.V3());
}
}
