/// <summary>
/// Returns True if the whole object is visible, false if any of it is obscured (as defined by the offsets)
/// </summary>
/// <param name="objectBounds"></param>
/// <param name="_start"></param>
/// <param name="_target"></param>
/// <returns></returns>
public static bool ViewNotObstructed(Vector4 objectBounds, Transform _start, Transform _target)
{
//Stores the visibility checks
Vector4 clearFlags;
//Adds the offsets provided in the Inspector to reach each side.
Vector3 leftSide = BaneMath.SplitAddedVector3(_start.position, +objectBounds.x, 0, 0);
Vector3 rightSide = BaneMath.SplitAddedVector3(_start.position, +objectBounds.y, 0, 0);
Vector3 topSide = BaneMath.SplitAddedVector3(_start.position, 0, +objectBounds.z, 0);
Vector3 bottomSide = BaneMath.SplitAddedVector3(_start.position, 0, +objectBounds.w, 0);
//Getting the direction from the correct side to the target
Vector3 leftDir = _target.position - leftSide;
Vector3 rightDir = _target.position - rightSide;
Vector3 topDir = _target.position - topSide;
Vector3 bottomDir = _target.position - bottomSide;
//Defines the raycast hit variables
RaycastHit leftHit;
RaycastHit rightHit;
RaycastHit topHit;
RaycastHit botHit;
//Set flag to false if the raycast hits something, else set it to true
clearFlags.x = Physics.Raycast(leftSide, leftDir.normalized, out leftHit, leftDir.magnitude) ? 0 : 1;
clearFlags.y = Physics.Raycast(rightSide, rightDir.normalized, out rightHit, rightDir.magnitude) ? 0 : 1;
clearFlags.z = Physics.Raycast(topSide, topDir.normalized, out topHit, topDir.magnitude) ? 0 : 1;
clearFlags.w = Physics.Raycast(bottomSide, bottomDir.normalized, out botHit, bottomDir.magnitude) ? 0 : 1;
//If all four flags are true, return true
return(clearFlags == new Vector4(1, 1, 1, 1) ? true : false);
}
public static bool VewNotObstructed(Vector4 objectBounds, Transform _start, Transform _target, bool _debug)
{
//Stores the visibility checks
Vector4 clearFlags = new Vector4(0, 0, 0, 0);
//Adds the offsets provided in the Inspector to reach each side.
Vector3 leftSide = BaneMath.SplitAddedVector3(_start.position, +objectBounds.x, 0, 0);
Vector3 rightSide = BaneMath.SplitAddedVector3(_start.position, +objectBounds.y, 0, 0);
Vector3 topSide = BaneMath.SplitAddedVector3(_start.position, 0, +objectBounds.z, 0);
Vector3 bottomSide = BaneMath.SplitAddedVector3(_start.position, 0, +objectBounds.w, 0);
//Getting the direction from the correct side to the target
Vector3 leftDir = _target.position - leftSide;
Vector3 rightDir = _target.position - rightSide;
Vector3 topDir = _target.position - topSide;
Vector3 bottomDir = _target.position - bottomSide;
//Defines the raycast hit variables
RaycastHit leftHit;
RaycastHit rightHit;
RaycastHit topHit;
RaycastHit botHit;
if (_debug)
{
//Draw Rays so they can be seen in Scene View
Debug.DrawRay(leftSide, leftDir, BaneTools.Color255(255, 255, 0), 1, false);
Debug.DrawRay(rightSide, rightDir, BaneTools.Color255(0, 255, 255), 1, false);
Debug.DrawRay(topSide, topDir, BaneTools.Color255(255, 0, 255), 1, false);
Debug.DrawRay(bottomSide, bottomDir, BaneTools.Color255(0, 0, 255), 1, false);
//if (Physics.Raycast(leftSide, leftDir.normalized, out leftHit, leftDir.magnitude))
//{
// Debug.Log("Left hit " + leftHit.collider.name);
//}
}
//Set flag to false if the raycast hits something, else set it to true
clearFlags.x = Physics.Raycast(leftSide, leftDir.normalized, out leftHit, leftDir.magnitude) ? 0 : 1;
clearFlags.y = Physics.Raycast(rightSide, rightDir.normalized, out rightHit, rightDir.magnitude) ? 0 : 1;
clearFlags.z = Physics.Raycast(topSide, topDir.normalized, out topHit, topDir.magnitude) ? 0 : 1;
clearFlags.w = Physics.Raycast(bottomSide, bottomDir.normalized, out botHit, bottomDir.magnitude) ? 0 : 1;
Debug.Log(clearFlags);
//If all four flags are true, return true
return(clearFlags == new Vector4(1, 1, 1, 1) ? true : false);
}