private Direction detectDirection()
{
Direction direction = Direction.x;
Bounds bounds = Utilities.getBounds(transform);
// shoot rays in all directions to learn about surroundings
RaycastHit hitForward;
RaycastHit hitBack;
RaycastHit hitLeft;
RaycastHit hitRight;
RaycastHit hitUp;
RaycastHit hitDown;
Physics.Raycast(bounds.center, Vector3.forward, out hitForward, bounds.extents.z * MAX_AUTODETECT_KNOB_WIDTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.back, out hitBack, bounds.extents.z * MAX_AUTODETECT_KNOB_WIDTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.left, out hitLeft, bounds.extents.x * MAX_AUTODETECT_KNOB_WIDTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.right, out hitRight, bounds.extents.x * MAX_AUTODETECT_KNOB_WIDTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.up, out hitUp, bounds.extents.y * MAX_AUTODETECT_KNOB_WIDTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.down, out hitDown, bounds.extents.y * MAX_AUTODETECT_KNOB_WIDTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
// shortest valid ray wins
float lengthX = (hitRight.collider != null) ? hitRight.distance : float.MaxValue;
float lengthY = (hitDown.collider != null) ? hitDown.distance : float.MaxValue;
float lengthZ = (hitBack.collider != null) ? hitBack.distance : float.MaxValue;
float lengthNegX = (hitLeft.collider != null) ? hitLeft.distance : float.MaxValue;
float lengthNegY = (hitUp.collider != null) ? hitUp.distance : float.MaxValue;
float lengthNegZ = (hitForward.collider != null) ? hitForward.distance : float.MaxValue;
// TODO: not yet the right decision strategy, works only partially
Vector3 hitPoint = Vector3.zero;
if (Utilities.isLowest(lengthX, new float[] { lengthY, lengthZ, lengthNegX, lengthNegY, lengthNegZ }))
{
direction = Direction.z;
}
else if (Utilities.isLowest(lengthY, new float[] { lengthX, lengthZ, lengthNegX, lengthNegY, lengthNegZ }))
{
direction = Direction.y;
}
else if (Utilities.isLowest(lengthZ, new float[] { lengthX, lengthY, lengthNegX, lengthNegY, lengthNegZ }))
{
direction = Direction.x;
}
else if (Utilities.isLowest(lengthNegX, new float[] { lengthX, lengthY, lengthZ, lengthNegY, lengthNegZ }))
{
direction = Direction.z;
}
else if (Utilities.isLowest(lengthNegY, new float[] { lengthX, lengthY, lengthZ, lengthNegX, lengthNegZ }))
{
direction = Direction.y;
}
else if (Utilities.isLowest(lengthNegZ, new float[] { lengthX, lengthY, lengthZ, lengthNegX, lengthNegY }))
{
direction = Direction.x;
}
return(direction);
}
private Direction detectDirection()
{
Direction direction = Direction.autodetect;
Bounds bounds = Utilities.getBounds(transform);
// shoot rays from the center of the button to learn about surroundings
RaycastHit hitForward;
RaycastHit hitBack;
RaycastHit hitLeft;
RaycastHit hitRight;
RaycastHit hitUp;
RaycastHit hitDown;
Physics.Raycast(bounds.center, Vector3.forward, out hitForward, bounds.extents.z * MAX_AUTODETECT_ACTIVATION_LENGTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.back, out hitBack, bounds.extents.z * MAX_AUTODETECT_ACTIVATION_LENGTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.left, out hitLeft, bounds.extents.x * MAX_AUTODETECT_ACTIVATION_LENGTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.right, out hitRight, bounds.extents.x * MAX_AUTODETECT_ACTIVATION_LENGTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.up, out hitUp, bounds.extents.y * MAX_AUTODETECT_ACTIVATION_LENGTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
Physics.Raycast(bounds.center, Vector3.down, out hitDown, bounds.extents.y * MAX_AUTODETECT_ACTIVATION_LENGTH, Physics.DefaultRaycastLayers, QueryTriggerInteraction.UseGlobal);
// shortest valid ray wins
float lengthX = (hitRight.collider != null) ? hitRight.distance : float.MaxValue;
float lengthY = (hitDown.collider != null) ? hitDown.distance : float.MaxValue;
float lengthZ = (hitBack.collider != null) ? hitBack.distance : float.MaxValue;
float lengthNegX = (hitLeft.collider != null) ? hitLeft.distance : float.MaxValue;
float lengthNegY = (hitUp.collider != null) ? hitUp.distance : float.MaxValue;
float lengthNegZ = (hitForward.collider != null) ? hitForward.distance : float.MaxValue;
float extents = 0;
Vector3 hitPoint = Vector3.zero;
if (Utilities.isLowest(lengthX, new float[] { lengthY, lengthZ, lengthNegX, lengthNegY, lengthNegZ }))
{
direction = Direction.negX;
hitPoint = hitRight.point;
extents = bounds.extents.x;
}
else if (Utilities.isLowest(lengthY, new float[] { lengthX, lengthZ, lengthNegX, lengthNegY, lengthNegZ }))
{
direction = Direction.y;
hitPoint = hitDown.point;
extents = bounds.extents.y;
}
else if (Utilities.isLowest(lengthZ, new float[] { lengthX, lengthY, lengthNegX, lengthNegY, lengthNegZ }))
{
direction = Direction.z;
hitPoint = hitBack.point;
extents = bounds.extents.z;
}
else if (Utilities.isLowest(lengthNegX, new float[] { lengthX, lengthY, lengthZ, lengthNegY, lengthNegZ }))
{
direction = Direction.x;
hitPoint = hitLeft.point;
extents = bounds.extents.x;
}
else if (Utilities.isLowest(lengthNegY, new float[] { lengthX, lengthY, lengthZ, lengthNegX, lengthNegZ }))
{
direction = Direction.negY;
hitPoint = hitUp.point;
extents = bounds.extents.y;
}
else if (Utilities.isLowest(lengthNegZ, new float[] { lengthX, lengthY, lengthZ, lengthNegX, lengthNegY }))
{
direction = Direction.negZ;
hitPoint = hitForward.point;
extents = bounds.extents.z;
}
// determin activation distance
activationDistance = (Vector3.Distance(hitPoint, bounds.center) - extents) * 0.95f;
if (direction == Direction.autodetect || activationDistance < 0)
{
// auto-detection was not possible or colliding with object already
direction = Direction.autodetect;
activationDistance = 0;
}
return(direction);
}
