public static bool SetupWorkPlane(Camera camera, Vector3 worldCenterPoint, Vector3 worldDirection, ref CSGPlane workPlane)
{
if (camera == null || !camera)
{
return(false);
}
if (camera.orthographic)
{
CSGGrid.ForceGrid = false;
workPlane = CSGGrid.CurrentWorkGridPlane;
return(true);
}
var normal = worldDirection;
/*
* if (YMoveModeActive)
* {
* var forward = camera.transform.forward;
* Vector3 tangent, binormal;
* GeometryUtility.CalculateTangents(normal, out tangent, out binormal);
* if (Mathf.Abs(Vector3.Dot(forward, tangent)) > Mathf.Abs(Vector3.Dot(forward, binormal)))
* normal = tangent;
* else
* normal = binormal;
* }*/
workPlane = new CSGPlane(GridUtility.CleanNormal(normal), worldCenterPoint);
return(CSGGrid.SetForcedGrid(camera, workPlane));
}
public static bool SetupRayWorkPlane(Vector3 worldOrigin, Vector3 worldDirection, ref CSGPlane outWorkPlane)
{
var camera = Camera.current;
if (camera == null || !camera)
{
return(false);
}
Vector3 tangent, normal;
var cameraBackwards = -camera.transform.forward;
var closestAxisForward = GeometryUtility.SnapToClosestAxis(cameraBackwards);
var closestAxisDirection = GeometryUtility.SnapToClosestAxis(worldDirection);
if (Vector3.Dot(closestAxisForward, closestAxisDirection) != 0)
{
float dot1 = Mathf.Abs(Vector3.Dot(cameraBackwards, MathConstants.rightVector3));
float dot2 = Mathf.Abs(Vector3.Dot(cameraBackwards, MathConstants.upVector3));
float dot3 = Mathf.Abs(Vector3.Dot(cameraBackwards, MathConstants.forwardVector3));
if (dot1 < dot2)
{
if (dot1 < dot3)
{
tangent = MathConstants.rightVector3;
}
else
{
tangent = MathConstants.forwardVector3;
}
}
else
{
if (dot2 < dot3)
{
tangent = MathConstants.upVector3;
}
else
{
tangent = MathConstants.forwardVector3;
}
}
}
else
{
tangent = Vector3.Cross(worldDirection, closestAxisForward);
}
if (!camera.orthographic)
{
normal = Vector3.Cross(worldDirection, tangent);
}
else
{
normal = cameraBackwards;
}
outWorkPlane = new CSGPlane(GridUtility.CleanNormal(normal), worldOrigin);
return(CSGGrid.SetForcedGrid(outWorkPlane));
}