| 639 | } |
| 640 | |
| 641 | OVR_PUBLIC_FUNCTION(ovrResult) ovr_TestBoundaryPoint(ovrSession session, const ovrVector3f* point, |
| 642 | ovrBoundaryType singleBoundaryType, ovrBoundaryTestResult* outTestResult) |
| 643 | { |
| 644 | REV_TRACE(ovr_TestBoundaryPoint); |
| 645 | |
| 646 | ovrBoundaryTestResult result = { 0 }; |
| 647 | |
| 648 | if (vr::VRChaperone()->GetCalibrationState() != vr::ChaperoneCalibrationState_OK) |
| 649 | return ovrSuccess_BoundaryInvalid; |
| 650 | |
| 651 | result.IsTriggering = vr::VRChaperone()->AreBoundsVisible(); |
| 652 | |
| 653 | OVR::Vector2f playArea; |
| 654 | if (!vr::VRChaperone()->GetPlayAreaSize(&playArea.x, &playArea.y)) |
| 655 | return ovrSuccess_BoundaryInvalid; |
| 656 | |
| 657 | // Clamp the point to the AABB |
| 658 | OVR::Vector2f p(point->x, point->z); |
| 659 | OVR::Vector2f halfExtents(playArea.x / 2.0f, playArea.y / 2.0f); |
| 660 | OVR::Vector2f clamped = OVR::Vector2f::Min(OVR::Vector2f::Max(p, -halfExtents), halfExtents); |
| 661 | |
| 662 | // If the point is inside the AABB, we need to do some extra work |
| 663 | if (clamped.Compare(p)) |
| 664 | { |
| 665 | if (std::abs(p.x) > std::abs(p.y)) |
| 666 | clamped.x = halfExtents.x * (p.x / std::abs(p.x)); |
| 667 | else |
| 668 | clamped.y = halfExtents.y * (p.y / std::abs(p.y)); |
| 669 | } |
| 670 | |
| 671 | // We don't have a ceiling, use the height from the original point |
| 672 | result.ClosestPoint.x = clamped.x; |
| 673 | result.ClosestPoint.y = point->y; |
| 674 | result.ClosestPoint.z = clamped.y; |
| 675 | |
| 676 | // Get the normal, closest distance is the length of this normal |
| 677 | OVR::Vector2f normal = p - clamped; |
| 678 | result.ClosestDistance = normal.Length(); |
| 679 | |
| 680 | // Normalize the normal |
| 681 | normal.Normalize(); |
| 682 | result.ClosestPointNormal.x = normal.x; |
| 683 | result.ClosestPointNormal.y = 0.0f; |
| 684 | result.ClosestPointNormal.z = normal.y; |
| 685 | |
| 686 | *outTestResult = result; |
| 687 | return ovrSuccess; |
| 688 | } |
| 689 | |
| 690 | OVR_PUBLIC_FUNCTION(ovrResult) ovr_SetBoundaryLookAndFeel(ovrSession session, const ovrBoundaryLookAndFeel* lookAndFeel) |
| 691 | { |