// create a child GameObject and add a trigger to it to do the intersection detection
private void ConstructTrigger()
{
var go = new GameObject();
go.name = "IntersectionTrigger";
// attach it to this block and make it exactly the same, except slightly smaller
go.transform.parent = transform;
go.transform.localPosition = Vector3.zero; //exactly at the centre of the actual object
go.transform.localScale = 0.9f * Vector3.one; //slightly smaller than the actual object
go.transform.localRotation = Quaternion.identity; // same rotation as the actual object
// add the same type of collider as the block has and make it a trigger
var col = (Collider)go.AddComponent(GetComponent <Collider>().GetType());
col.isTrigger = true;
// attach the script to the collider and connect it to this script
IntersectionTrigger script = go.AddComponent <IntersectionTrigger>();
script.SetSnappingScript(this);
}
private void ConstructTrigger()
{
GameObject go = new GameObject("IntersectionTrigger");
go.transform.parent = transform;
go.transform.localPosition = Vector3.zero;
go.transform.localScale = Vector3.one;
go.transform.localRotation = Quaternion.identity;
BoxCollider blockCol = GetComponent <BoxCollider>();
BoxCollider IntersectionCol = go.AddComponent <BoxCollider>();
IntersectionCol.size = blockCol.size;
IntersectionCol.center = blockCol.center;
IntersectionCol.isTrigger = true;
IntersectionTrigger script = go.AddComponent <IntersectionTrigger>();
script.SetSnappingScript(this);
}