added limited rotation,

2 directions do not work

QtMeshViewer/Header/OglViewerWidget.h

@@ -31,6 +31,12 @@ private:
 		QVector2D position;
 	} m_mouse;
 
+	struct {
+		bool x = true;
+		bool y = true;
+		bool z = true;
+	} m_rotDirections;
+
 	QOpenGLShaderProgram m_program;
 	GeometryEngine *m_dataEngine;
 

QtMeshViewer/Source/GeometryEngine.cpp

@@ -126,13 +126,9 @@ void GeometryEngine::loadTexture(const char* filePath, const char* fileName)
 	else
 		img = loadTga((std::string(filePath) + std::string(fileName)).c_str(), loadSuccess);
 
-	//TODO: emit if not successfull
 	if (!loadSuccess)
-	{
-		QString msg = "WARNING: texture not found or corrupted: ";
-		msg += QString(fileName);
-		emit sendMessage(msg, 1);
-	}
+		emit sendMessage("WARNING: texture not found or corrupted: " + QString(fileName), 1);
+	
 	// Load image to OglTexture
 	QOpenGLTexture* new_texture = new QOpenGLTexture(img.mirrored());
 
@@ -206,7 +202,6 @@ void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program)
 
 	for (auto& it : m_drawList)
 	{
-		Q_ASSERT(!m_textures.isEmpty());
 		// bind the correct texture
 		if (it.textureIndex < m_textures.size())
 			m_textures.at(it.textureIndex)->bind();

QtMeshViewer/Source/OglViewerWidget.cpp

@@ -66,8 +66,39 @@ void OglViewerWidget::mouseMoveEvent(QMouseEvent *e)
 		m_mouse.position = QVector2D(e->localPos());
 
 		// calculate the rotation axis and rotate
-		m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(diff.y(), diff.x(), 0.0).normalized(), diff.length() * 0.5) * m_rotation;
-
+		if (m_rotDirections.x && m_rotDirections.y && m_rotDirections.z)
+		{
+			m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(diff.y(), diff.x(), 0.0).normalized(), diff.length() * 0.5) * m_rotation;
+		}
+		else if (m_rotDirections.x && m_rotDirections.y && !m_rotDirections.z)
+		{
+			//float pitch, yaw, roll;
+			//m_rotation.getEulerAngles(&pitch, &yaw, &roll);
+			//pitch += diff.y() * 0.5;
+			//yaw += diff.x() * 0.5;
+
+			//std::cout << pitch << " - " << yaw << std::endl;
+
+			//m_rotation = QQuaternion::fromEulerAngles(pitch, yaw, roll);
+
+			m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(0.0, 1.0, 0.0).normalized(), diff.x() * 0.5) + m_rotation;
+			m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(1.0, 0.0, 0.0).normalized(), diff.y() * 0.5) + m_rotation;
+
+		}
+		else if (m_rotDirections.x && !m_rotDirections.y && !m_rotDirections.z)
+		{
+			m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(0.0, 1.0, 0.0).normalized(), diff.x() * 0.5) * m_rotation;
+		}
+		else if (!m_rotDirections.x && m_rotDirections.y && !m_rotDirections.z)
+		{
+			m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(1.0, 0.0, 0.0).normalized(), diff.y() * 0.5) * m_rotation;
+		}
+		else if (!m_rotDirections.x && !m_rotDirections.y && m_rotDirections.z)
+		{
+			m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(0.0, 0.0, 1.0).normalized(), diff.x() * 0.5) * m_rotation;
+		}
+
+		
 		// request an update
 		update();
 	}
@@ -218,5 +249,16 @@ void OglViewerWidget::resetView()
 
 void OglViewerWidget::changeDirection(int direction)
 {
-
+	switch (direction)
+	{
+	case 1:
+		m_rotDirections.x = !m_rotDirections.x;
+		break;
+	case 2:
+		m_rotDirections.y = !m_rotDirections.y;
+		break;
+	case 3:
+		m_rotDirections.z = !m_rotDirections.z;
+		break;
+	}
 }