public void SetFilter(cpShapeFilter filter)
{
SetGroup(filter.group);
SetCategoryBitmask(filter.categories);
SetCollisionBitmask(filter.mask);
}
protected override void OnAwake()
{
base.OnAwake();
Vector2 pos = this.transform.position;//static body(0,0) should add postion , Dynamic use Rigidbody position as parent
XRigidbody2D xRigidbody2D = this.GetComponent <XRigidbody2D>();
if (xRigidbody2D != null)
{
if (xRigidbody2D.mBodyType != cpBodyType.STATIC)
{
xRigidbody2D.Init();
mRigidbody2D = xRigidbody2D.Rigidbody2D;
pos = Vector2.zero;
}
else
{
mRigidbody2D = XSpaceManager.Instance.Space.GetStaticBody();
}
}
else
{
//静态的，不能移动
mRigidbody2D = XSpaceManager.Instance.Space.GetStaticBody();
}
//local
Vector2 left, bottom, right, top;
Quaternion rotation;
switch (mShapeType)
{
case ColliderType.Segment:
float angle = Vector2.Angle(this.mEnd - this.mStart, Vector2.right);
rotation = Quaternion.AngleAxis(angle + this.transform.eulerAngles.z, Vector3.forward);
left = rotation * new Vector2(this.mStart.x, this.mStart.y - this.mRadius);
bottom = rotation * new Vector2(this.mEnd.x, this.mEnd.y - this.mRadius);
right = rotation * new Vector2(this.mEnd.x, this.mEnd.y + this.mRadius);
top = rotation * new Vector2(this.mStart.x, this.mStart.y + this.mRadius);
Vector2 start = (Vector2)pos + (left + top) / 2;
Vector2 end = (Vector2)pos + (bottom + right) / 2;
mCollider2D = new cpSegmentShape(mRigidbody2D, new cpVect(start.x, start.y) * XSpaceManager.PixelsPerUnit, new cpVect(end.x, end.y) * XSpaceManager.PixelsPerUnit, mRadius * XSpaceManager.PixelsPerUnit);
break;
case ColliderType.Circle:
mCollider2D = new cpCircleShape(mRigidbody2D, mRadius * XSpaceManager.PixelsPerUnit, new cpVect(pos.x + mCenter.x, pos.y + mCenter.y) * XSpaceManager.PixelsPerUnit);
break;
case ColliderType.Box:
mCollider2D = cpPolyShape.BoxShape2(mRigidbody2D, new cpBB((pos.x + mCenter.x - mSize.x * this.transform.localScale.x / 2) * XSpaceManager.PixelsPerUnit, (pos.y + mCenter.y - mSize.y * this.transform.localScale.y / 2) * XSpaceManager.PixelsPerUnit, (pos.x + mCenter.x + mSize.x * this.transform.localScale.x / 2) * XSpaceManager.PixelsPerUnit, (pos.y + mCenter.y + mSize.y * this.transform.localScale.y / 2) * XSpaceManager.PixelsPerUnit), mRadius * XSpaceManager.PixelsPerUnit);
break;
case ColliderType.Polygon:
int count = mVects.Length;
cpVect [] vts = new cpVect [mVects.Length];
for (int i = 0; i < count; i++)
{
vts[i] = cpVect.Zero;
vts[i].x = (pos.x + mVects[i].x) * XSpaceManager.PixelsPerUnit;
vts[i].y = (pos.y + mVects[i].y) * XSpaceManager.PixelsPerUnit;
}
mCollider2D = new cpPolyShape(mRigidbody2D, mVects.Length, vts, mRadius * XSpaceManager.PixelsPerUnit);
break;
//case cpShapeType.NumShapes:
// break;
}
mCollider2D.SetSensor(mTrigger);
mCollider2D.SetElasticity(mElasticity);
mCollider2D.SetFriction(mFriction);
cpShapeFilter filter = new cpShapeFilter(mGroup, (int)mCategory, (int)mMask);
mCollider2D.SetFilter(filter);
}
