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
});
}
}
}