void Start()
{
// calculate AABB and add to context
bounds = GetMaxBounds();
isInHeadSlice = IsWithinPlayerHeadSlice(bounds);
if (isInHeadSlice)
{
AABB properties = CalculateAABB(bounds);
id = PlaneverbContext.AddGeometry(properties);
}
}
void Update()
{
// only add if object is at player head slice
bounds = GetMaxBounds();
isInHeadSlice = IsWithinPlayerHeadSlice(bounds);
if (isInHeadSlice)
{
// calculate the AABB
AABB properties = CalculateAABB(bounds);
// update geometry in the context
if (id == INVALID_ID)
{
id = PlaneverbContext.AddGeometry(properties);
}
else
{
PlaneverbContext.UpdateGeometry(id, properties);
}
}
else if (id != INVALID_ID)
{
PlaneverbContext.RemoveGeometry(id);
id = INVALID_ID;
}
if (PlaneverbContext.GetInstance().debugDraw)
{
Color drawColor;
if (isInHeadSlice)
{
drawColor = new Color(0f, 1f, 0f);
}
else
{
drawColor = new Color(1f, 0f, 0f);
}
// debug draw the bounds
Vector3 c = bounds.center;
Vector3 e = bounds.extents; // half extents
Vector3 bbl = c - e; // bottom back left
Vector3 bbr = new Vector3(c.x + e.x, c.y - e.y, c.z - e.z); // bottom back right
Vector3 tbl = new Vector3(c.x - e.x, c.y + e.y, c.z - e.z); // top back left
Vector3 tbr = new Vector3(c.x + e.x, c.y + e.y, c.z - e.z); // top back right
Vector3 bfl = new Vector3(c.x - e.x, c.y - e.y, c.z + e.z); // bottom front left
Vector3 bfr = new Vector3(c.x + e.x, c.y - e.y, c.z + e.z); // bottom front right
Vector3 tfl = new Vector3(c.x - e.x, c.y + e.y, c.z + e.z); // top front left
Vector3 tfr = c + e; // top front right
// connect all the points
Debug.DrawLine(bbl, bbr, drawColor);
Debug.DrawLine(bbl, bfl, drawColor);
Debug.DrawLine(bbl, tbl, drawColor);
Debug.DrawLine(bbr, tbr, drawColor);
Debug.DrawLine(bbr, bfr, drawColor);
Debug.DrawLine(bfl, bfr, drawColor);
Debug.DrawLine(bfl, tfl, drawColor);
Debug.DrawLine(bfr, tfr, drawColor);
Debug.DrawLine(tbl, tbr, drawColor);
Debug.DrawLine(tbl, tfl, drawColor);
Debug.DrawLine(tbr, tfr, drawColor);
Debug.DrawLine(tfl, tfr, drawColor);
}
}