TriangleBoundingVolume added

Change-Id: I82ed00b73595330df9a6b7b870433e5c919a99a0
Reviewed-by: Andy Nichols <andy.nichols@theqtcompany.com>

1 files changed, 110 insertions, 0 deletions

diff --git a/src/render/backend/triangleboundingvolume_p.h b/src/render/backend/triangleboundingvolume_p.h
new file mode 100644
index 000000000..5cdbbd9f2
--- /dev/null
+++ b/src/render/backend/triangleboundingvolume_p.h
@@ -0,0 +1,110 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3DRENDER_RENDER_TRIANGLEBOUNDINGVOLUME_P_H
+#define QT3DRENDER_RENDER_TRIANGLEBOUNDINGVOLUME_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <Qt3DCore/qboundingvolume.h>
+#include <Qt3DCore/qnodeid.h>
+#include <QVector3D>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+namespace Render {
+
+Q_AUTOTEST_EXPORT bool intersectsSegmentTriangle(const Qt3DCore::QRay3D &ray,
+                                                 const QVector3D &a,
+                                                 const QVector3D &b,
+                                                 const QVector3D &c,
+                                                 QVector3D &uvw,
+                                                 float &t);
+
+class Q_AUTOTEST_EXPORT TriangleBoundingVolume : public Qt3DCore::QBoundingVolume
+{
+public:
+    TriangleBoundingVolume();
+    explicit TriangleBoundingVolume(const Qt3DCore::QNodeId &id,
+                                    const QVector3D &a,
+                                    const QVector3D &b,
+                                    const QVector3D &c);
+
+    Qt3DCore::QNodeId id() const Q_DECL_FINAL;
+    bool intersects(const Qt3DCore::QRay3D &ray, QVector3D *q) const Q_DECL_FINAL;
+    Type type() const  Q_DECL_FINAL;
+
+    QVector3D a() const;
+    QVector3D b() const;
+    QVector3D c() const;
+
+    void setA(const QVector3D &a);
+    void setB(const QVector3D &b);
+    void setC(const QVector3D &c);
+
+    TriangleBoundingVolume transformed(const QMatrix4x4 &mat) const;
+
+    inline TriangleBoundingVolume &transform(const QMatrix4x4 &mat)
+    {
+        *this = transformed(mat);
+        return *this;
+    }
+
+private:
+    Qt3DCore::QNodeId m_id;
+    QVector3D m_a, m_b, m_c;
+};
+
+} // namespace Render
+
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(Qt3DRender::Render::TriangleBoundingVolume*)
+
+#endif // QT3DRENDER_RENDER_TRIANGLEBOUNDINGVOLUME_P_H