1 files changed, 50 insertions, 0 deletions
diff --git a/libs/preview_nif/src/Camera.cpp b/libs/preview_nif/src/Camera.cpp
new file mode 100644
index 0000000..0a9ce73
--- /dev/null
+++ b/libs/preview_nif/src/Camera.cpp
@@ -0,0 +1,50 @@
+#include "Camera.h"
+
+#include <cmath>
+
+void Camera::setDistance(float distance)
+{
+    m_Distance = qBound(MinDistance, distance, MaxDistance);
+    cameraMoved();
+}
+
+void Camera::setLookAt(QVector3D lookAt)
+{
+    m_LookAt = lookAt;
+    cameraMoved();
+}
+
+void Camera::pan(QVector3D distance)
+{
+    m_LookAt += distance;
+    cameraMoved();
+}
+
+void Camera::rotate(float yaw, float pitch)
+{
+    m_Yaw = repeat(m_Yaw + yaw, 0.0f, 360.0f);
+    m_Pitch = repeat(m_Pitch + pitch, 0.0f, 360.0f);
+
+    cameraMoved();
+}
+
+void Camera::zoomDistance(float distance)
+{
+    m_Distance += distance;
+    m_Distance = qBound(MinDistance, m_Distance, MaxDistance);
+
+    cameraMoved();
+}
+
+void Camera::zoomFactor(float factor)
+{
+    m_Distance *= factor;
+    m_Distance = qBound(MinDistance, m_Distance, MaxDistance);
+
+    cameraMoved();
+}
+
+float Camera::repeat(float value, float min, float max)
+{
+    return fmod(fmod(value, max - min) + (max - min), max - min) + min;
+}