GraphicRaycaster UpdateGraphicRaycaster(ZGraphicRaycaster zGraphicRaycaster, GameObject gameObject)
{
GraphicRaycaster graphicRaycaster = GetOrAddComponent <GraphicRaycaster>(gameObject);
if (zGraphicRaycaster.IgnoreReversedGraphics.HasValue)
{
graphicRaycaster.ignoreReversedGraphics = zGraphicRaycaster.IgnoreReversedGraphics.Value;
}
switch (zGraphicRaycaster.BlockingObjects)
{
case ZGraphicRaycaster.Types.BlockingObjects.None:
graphicRaycaster.blockingObjects = GraphicRaycaster.BlockingObjects.None;
break;
case ZGraphicRaycaster.Types.BlockingObjects.TwoD:
graphicRaycaster.blockingObjects = GraphicRaycaster.BlockingObjects.TwoD;
break;
case ZGraphicRaycaster.Types.BlockingObjects.ThreeD:
graphicRaycaster.blockingObjects = GraphicRaycaster.BlockingObjects.ThreeD;
break;
case ZGraphicRaycaster.Types.BlockingObjects.All:
graphicRaycaster.blockingObjects = GraphicRaycaster.BlockingObjects.All;
break;
}
return(graphicRaycaster);
}
private RaycastResult Raycast(Ray ray, int layerMask)
{
// Initialize the raycast result.
RaycastResult result = default(RaycastResult);
result.distance = this.DefaultHitDistance;
result.worldNormal = -ray.direction;
result.worldPosition = ray.GetPoint(result.distance);
result.screenPosition = this.EventCamera.Camera.WorldToScreenPoint(
result.worldPosition);
// Perform a physics raycast to determine if any physics objects
// are hit.
RaycastHit physicsResult;
if (Physics.Raycast(
ray, out physicsResult, result.distance, layerMask))
{
result.distance = physicsResult.distance;
result.worldPosition = physicsResult.point;
result.worldNormal = physicsResult.normal;
result.gameObject = physicsResult.collider.gameObject;
result.screenPosition =
this.EventCamera.Camera.WorldToScreenPoint(
physicsResult.point);
}
// Perform a graphics raycast to determine if any UI objects
// are hit.
RaycastResult graphicResult;
if (ZGraphicRaycaster.Raycast(
ray, out graphicResult, result.distance, layerMask))
{
result = graphicResult;
}
// Perform a physics spherecast if the hit radius is greater
// than zero to determine if any physics objects are within the
// hit radius.
float radius = this.DefaultHitRadius;
if (radius > 0)
{
// Increase the hit radius by 10% when an object is intersected
// to eliminate instability issues in collision detection results
// when the pointer is straddling intersection boundaries.
if (this.HitInfo.gameObject != null)
{
radius *= 1.1f;
}
if (this.SphereCast(
ray, radius, out physicsResult, result.distance, layerMask))
{
if (result.gameObject == null ||
result.gameObject == physicsResult.collider.gameObject)
{
result.distance = physicsResult.distance;
result.worldPosition = physicsResult.point;
result.worldNormal = physicsResult.normal;
result.gameObject = physicsResult.collider.gameObject;
result.screenPosition =
this.EventCamera.Camera.WorldToScreenPoint(
physicsResult.point);
}
}
}
// If neither the physics nor graphics raycast succeeded,
// perform a raycast against the default collision plane.
if (result.gameObject == null &&
this.DefaultCollisionPlane == CollisionPlane.Screen)
{
result = this.Raycast(
ray, this.EventCamera.ZeroParallaxPlane, false);
}
return(result);
}
