[#69] Fixed crash because of local scope reference

Signed-off-by: Tobias Frisch <tfrisch@uni-koblenz.de>

modules/camera/include/vkcv/camera/Camera.hpp

@@ -77,7 +77,7 @@ namespace vkcv::camera {
          * @brief Gets the current projection of the camera
          * @return The current projection matrix
          */
-        const glm::mat4& getProjection() const;
+        glm::mat4 getProjection() const;
 
         /**
          * @brief Gets the model-view-projection matrix of the camera with y-axis-correction applied

modules/camera/src/vkcv/camera/Camera.cpp

@@ -45,12 +45,12 @@ namespace vkcv::camera {
         0.0f, 0.0f, 0.0f, 1.0f
     );
 
-    const glm::mat4& Camera::getProjection() const {
+    glm::mat4 Camera::getProjection() const {
         return y_correction * m_projection;
     }
 
     void Camera::setProjection(const glm::mat4& projection) {
-        m_projection =  projection;
+        m_projection = glm::inverse(y_correction) * projection;
     }
 
     glm::mat4 Camera::getMVP() const {

projects/particle_simulation/src/main.cpp

@@ -201,6 +201,8 @@ int main(int argc, const char **argv) {
     glm::vec4 colorData = glm::vec4(1.0f, 1.0f, 0.0f, 1.0f);
     uint32_t camIndex0 = cameraManager.addCamera(vkcv::camera::ControllerType::PILOT);
     uint32_t camIndex1 = cameraManager.addCamera(vkcv::camera::ControllerType::TRACKBALL);
+    
+    cameraManager.setActiveCamera(1);
 
     cameraManager.getCamera(camIndex0).setPosition(glm::vec3(0, 0, -2));
     cameraManager.getCamera(camIndex1).setPosition(glm::vec3(0.0f, 0.0f, -2.0f));