private bool TryFixTo(D2dDestructible destructible)
{
var isDifferent = cachedDestructible != destructible;
// Temporarily change parent
transform.SetParent(destructible.transform, false);
// Find world position of fixture if it were attached to tempDestructible
var worldPosition = transform.TransformPoint(Offset);
// Can fix to new point?
if (destructible.SampleAlpha(worldPosition).a >= 128)
{
if (isDifferent == true)
{
Unhook();
cachedDestructible = destructible;
Hook();
}
return(true);
}
// Change back to old parent
transform.SetParent(cachedDestructible.transform, false);
return(false);
}
private void UpdateFixture()
{
if (cachedDestructible == null)
{
cachedDestructible = GetComponentInParent <D2dDestructible>();
}
if (cachedDestructible == null)
{
DestroyFixture();
}
else
{
var worldPosition = transform.TransformPoint(Offset);
if (cachedDestructible.SampleAlpha(worldPosition).a < 128)
{
DestroyFixture();
}
}
}
