void PopulateCollisionData(AABB colliderA, AABB colliderB)
{
// initialise collision data variables
currentCollisionPair = new List <CollisionPair>();
colPair = new CollisionPair();
colPair.m_ObjectA = colliderA;
colPair.m_ObjectB = colliderB;
// calculate the penetration depth between the 2 colliders
CalcPenetration(colliderA, colliderB);
// check which axis has the least amount of penetration
if (Mathf.Abs(xDirection) < Mathf.Abs(yDirection))
{
//point the collision normal either left or right depending on the sign
colPair.m_CollisionNormal = new Vector2(Mathf.Sign(xDistance), 0);
colPair.m_CollisionPoint = new Vector2(colliderA.transform.position.x
+ (colliderA.m_Width * Mathf.Sign(xDistance)),
colliderB.transform.position.y);
}
else
{
// point the collision normal up or down depending on the sign
colPair.m_CollisionNormal = new Vector2(0, Mathf.Sign(yDistance));
colPair.m_CollisionPoint = new Vector2(colliderA.transform.position.x
+ (colliderA.m_Width * Mathf.Sign(xDistance)),
colliderB.transform.position.y);
}
// add the final depth to collision data
colPair.m_PenetrationDepth = new Vector2(xDirection, yDirection);
currentCollisionPair.Add(colPair);
// resolve the current collision based on the data we found
ResolveCollisionPair(currentCollisionPair);
//TODO: change to private
depthX = 0f;
depthY = 0f;
xDistance = 0f;
yDistance = 0f;
xDirection = 0f;
yDirection = 0f;
}
public void InitPhysicsManager()
{
//find all colliders in the scene A$AP
boxList = GameObject.FindGameObjectsWithTag("Ground");
for (int i = 0; i < boxList.Length; i++)
{
floorBoundingBoxes.Add(boxList[i].GetComponent <AABB>());
}
boxList = null;
boxList = GameObject.FindGameObjectsWithTag("Entity");
for (int i = 0; i < boxList.Length; i++)
{
entityBoundingBoxes.Add(boxList[i].GetComponent <AABB>());
}
// add player collider
entityBoundingBoxes.Add(GameObject.FindGameObjectWithTag("Player").GetComponent <AABB>());
boxList = null;
boxList = GameObject.FindGameObjectsWithTag("Boundary");
for (int i = 0; i < boxList.Length; i++)
{
boundaryBoundingBoxes.Add(boxList[i].GetComponent <AABB>());
}
// initialise collision data
colPair = new CollisionPair();
// initialise all rigidbodies in scene
InitRigidbodiesInScene();
// initialise nav graph
grid = GetComponent <NavGraph>();
grid.InitGraph();
chargeRate = 0;
chargeDmg = 0;
dPath = new List <Vector2>();
}
/// <summary>
/// Handle specific actions relative to collisions
/// </summary>
/// <param name="col"></param>
public virtual void OnCollision(CollisionPair col)
{
//Do Nothing
}
