public void Update()
{
// if mouse button 0 was clicked
if (Input.touchCount > 0 && isSetupPhase)
{
// figure out where we touched
Touch touch = Input.GetTouch(0);
if (touch.phase == TouchPhase.Ended)
{
Vector2 screenPoint = Camera.main.ScreenToViewportPoint(touch.position);
ARPoint point = new ARPoint()
{
x = screenPoint.x, y = screenPoint.y
};
// notify the WAREngine that a touch start event occured
TriggerPointEvent("TouchStart", touch.position);
// find all hitResults of type ExistingPlane
List <ARHitTestResult> hitResults = UnityARSessionNativeInterface.GetARSessionNativeInterface().HitTest(
point, ARHitTestResultType.ARHitTestResultTypeExistingPlaneUsingExtent
);
// if we hit something
if (hitResults.Count > 0)
{
Ray ray = Camera.main.ScreenPointToRay(touch.position);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, 10.0f))
{
// find the object we hit
GameObject go = hit.collider.gameObject;
// pack the values pertaining to a plane into a container and trigger InitBoard
UIInput.InitBoard(new UIPlane {
center = go.transform.position,
extent = go.transform.localScale * 10,
rotation = go.transform.rotation
});
// and stop trying to place a table
isSetupPhase = false;
// we are done looking for anchors so we will not attach a collideable game obect to our anchors
UnityARUtility.InitializePlanePrefab(new GameObject());
// clear the current set of planes and their anchor data
unityARAnchorManager.Destroy();
}
}
}
}
}
void TriggerInitializeBoard(UIPlane plane)
{
// don't do anything on a single click
if (plane.extent.magnitude < 0.1f)
{
return;
}
// get the rotation of our plane
Quaternion rotation = new Quaternion(0f, Camera.main.transform.rotation.y, 0f, 1f);
// trigger an initializeBoard event with our center and extent
// pack the values pertaining to a plane into a container to publish with our InitializeBoard msg
UpdatePlane(plane.start, plane.end, 300f);
UIInput.InitBoard(new UIPlane(start: plane.start, end: plane.end, rotation: rotation));
}
void TriggerInitializeBoard(Vector2 mouseClickEnd)
{
Ray startRay = Camera.main.ScreenPointToRay(mouseClickStart);
Plane groundPlane = new Plane(Vector3.up, Vector3.zero);
float toPlane;
if (groundPlane.Raycast(startRay, out toPlane))
{
Ray stopRay = Camera.main.ScreenPointToRay(mouseClickEnd);
float toPlaneEnd;
if (groundPlane.Raycast(stopRay, out toPlaneEnd))
{
// find the bounds of the plane
Vector3 planeStart = startRay.direction * toPlane + startRay.origin;
Vector3 planeEnd = stopRay.direction * toPlaneEnd + stopRay.origin;
// find center point between planeStart and planeEnd
Vector3 center = (planeStart + planeEnd) / 2;
// extent of our plane is distance from center point to planeStart/End
Vector3 extent = 2 * (planeEnd - center);
// if we didn't drag a plane
if (extent.magnitude < 0.01f)
{
// don't do anything
return;
}
Vector3 extentAbs = new Vector3(Mathf.Abs(extent.z), Mathf.Abs(extent.y), Mathf.Abs(extent.x));
// get the rotation of our plane
Quaternion rotation = new Quaternion(Vector3.up.x, Vector3.up.y, Vector3.up.z, -1.0f);
// trigger an initializeBoard event with our center and extent
// pack the values pertaining to a plane into a container to publish with our InitializeBoard msg
UIInput.InitBoard(new UIPlane {
center = center, extent = extentAbs, rotation = rotation
});
}
}
}
