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| |
| #ifndef QSSG_RENDER_RAY_H |
| #define QSSG_RENDER_RAY_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtQuick3DUtils/private/qssgoption_p.h> |
| #include <QtQuick3DUtils/private/qssgbounds3_p.h> |
| #include <QtQuick3DUtils/private/qssgplane_p.h> |
| |
| #include <QtGui/QVector2D> |
| #include <QtGui/QVector3D> |
| #include <QtGui/QMatrix4x4> |
| |
| QT_BEGIN_NAMESPACE |
| enum class QSSGRenderBasisPlanes |
| { |
| XY, |
| YZ, |
| XZ, |
| }; |
| |
| struct QSSGRenderRay |
| { |
| QVector3D origin; |
| QVector3D direction; |
| QSSGRenderRay() = default; |
| QSSGRenderRay(const QVector3D &inOrigin, const QVector3D &inDirection) |
| : origin(inOrigin), direction(inDirection) |
| { |
| } |
| // If we are parallel, then no intersection of course. |
| QSSGOption<QVector3D> intersect(const QSSGPlane &inPlane) const; |
| |
| struct IntersectionResult |
| { |
| bool intersects = false; |
| float rayLengthSquared = 0.; // Length of the ray in world coordinates for the hit. |
| QVector2D relXY; // UV coords for further mouse picking against a offscreen-rendered object. |
| QVector3D scenePosition; |
| IntersectionResult() = default; |
| IntersectionResult(float rl, QVector2D relxy, QVector3D scenePosition) |
| : intersects(true) |
| , rayLengthSquared(rl) |
| , relXY(relxy) |
| , scenePosition(scenePosition) |
| {} |
| }; |
| |
| IntersectionResult intersectWithAABB(const QMatrix4x4 &inGlobalTransform, const QSSGBounds3 &inBounds, |
| bool inForceIntersect = false) const; |
| |
| QSSGOption<QVector2D> relative(const QMatrix4x4 &inGlobalTransform, |
| const QSSGBounds3 &inBounds, |
| QSSGRenderBasisPlanes inPlane) const; |
| |
| QSSGOption<QVector2D> relativeXY(const QMatrix4x4 &inGlobalTransform, const QSSGBounds3 &inBounds) const |
| { |
| return relative(inGlobalTransform, inBounds, QSSGRenderBasisPlanes::XY); |
| } |
| }; |
| QT_END_NAMESPACE |
| #endif |