void OnTriggerExit(Collider col)
{
if (ignoreFields)
{
return;
}
GravityFieldBase gravField = col.GetComponent <GravityFieldBase>();
if (gravField)
{
int ind = System.Array.IndexOf(mGravityFields, gravField, 0, mGravityFieldCurCount);
if (ind != -1)
{
gravField.ItemRemoved(this);
if (mGravityFieldCurCount > 1)
{
mGravityFields[ind] = mGravityFields[mGravityFieldCurCount - 1];
}
else //restore
{
up = startUp;
gravity = mStartGravity;
}
mGravityFieldCurCount--;
}
}
}
protected virtual void OnEnable()
{
if (isGlobal)
{
mGlobal = this;
}
}
protected virtual void OnDisable()
{
if (mGlobal == this)
{
mGlobal = null;
}
}
void OnTriggerEnter(Collider col)
{
if (ignoreFields)
{
return;
}
if (mGravityFieldCurCount < mMaxGravityFields)
{
GravityFieldBase gravField = col.GetComponent <GravityFieldBase>();
if (gravField)
{
int ind = System.Array.IndexOf(mGravityFields, gravField, 0, mGravityFieldCurCount);
if (ind == -1)
{
mGravityFields[mGravityFieldCurCount] = gravField;
mGravityFieldCurCount++;
}
}
}
}
// Update is called once per frame
protected virtual void FixedUpdate()
{
if (mGravityFieldCurCount > 0)
{
bool fallLimit = false;
float fallSpeedLimit = Mathf.Infinity;
Vector3 newUp = Vector3.zero;
float newGravity = 0.0f;
int numGravityOverride = 0;
for (int i = 0; i < mGravityFieldCurCount; i++)
{
GravityFieldBase gf = mGravityFields[i];
if (gf && gf.gameObject.activeSelf && gf.enabled)
{
newUp += gf.GetUpVector(this);
if (gf.gravityOverride)
{
newGravity += gf.gravity;
numGravityOverride++;
}
if (gf.fallLimit)
{
fallLimit = true;
if (gf.fallSpeedLimit < fallSpeedLimit)
{
fallSpeedLimit = gf.fallSpeedLimit;
}
}
}
else //not active, remove it
{
if (mGravityFieldCurCount > 1)
{
mGravityFields[i] = mGravityFields[mGravityFieldCurCount - 1];
}
mGravityFieldCurCount--;
i--;
}
}
if (mGravityFieldCurCount > 0) //in case all were inactive
{
newUp /= ((float)mGravityFieldCurCount); newUp.Normalize();
up = newUp;
gravity = numGravityOverride > 0 ? newGravity / (float)numGravityOverride : mStartGravity;
if (fallLimit)
{
//assume y-axis, positive up
if (mBody && !mBody.isKinematic)
{
Vector3 localVel = transform.worldToLocalMatrix.MultiplyVector(mBody.velocity);
if (localVel.y < -fallSpeedLimit)
{
localVel.y = -fallSpeedLimit;
mBody.velocity = transform.localToWorldMatrix.MultiplyVector(localVel);
}
}
}
}
else //restore
{
up = startUp;
gravity = mStartGravity;
}
}
if (!mGravityLocked)
{
mBody.AddForce(mUp * gravity * mBody.mass * mMoveScale, ForceMode.Force);
}
}
