CN111243063B - Secret propaganda education training system based on virtual reality and implementation method thereof - Google Patents
Secret propaganda education training system based on virtual reality and implementation method thereof Download PDFInfo
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Abstract
The invention discloses a secret propaganda education training system based on virtual reality and an implementation method thereof. The multi-scene switching relation module is used for controlling the operation of all scene switching in the whole system and ensuring the correct sequence of the single field Jing Jiazai and the operation; the single-scene operation mechanism module is used for realizing independent operation of a single virtual scene; the multi-scene switching relation module needs to ensure that the next single scene in sequence is in a locking state, and can trigger the unlocking of the next single scene only after the current single scene task is completed; and the user is ensured to finish immersion interaction experience on the current single scene through the man-machine interaction module in the process of accepting secret propaganda education based on virtual reality. According to the invention, the scene required by the content is displayed in the VR helmet through the virtual reality technology, so that a user interacts with the virtual scene through the handle, and the realism and immersion of the case site in the close case are realized.
Description
Technical Field
The invention belongs to the field of secret propaganda education, and particularly relates to a secret propaganda education training system realized based on a virtual reality technology and a realization method thereof.
Background
In our information society, information security is important, and for the country, information is a guarantee of security; for corporate enterprises, the information is survived chips; for an individual, the information is the name plate of the identity. However, the current methods and technologies for acquiring and even stealing information are more and more, various secret stealing means are continuously developed and evolved, so that the information is always lost carelessly, the information security is more urgent to be protected, the importance of world countries on secret propaganda education is higher and the demands of national units, military enterprises, even common companies and citizens on secret knowledge propaganda education are larger and larger. The traditional secret propaganda education mode has picture and text display, manual explanation, lecture, warning video broadcast etc., however these modes content is comparatively boring, and feedback interdynamic is relatively poor, leads to training effect poor, student's study atmosphere is not high. In addition, the secret education practical training platform with better effect at present also has the problems of high construction and maintenance cost and large manpower consumption.
Based on the situation, the virtual reality technology is fused into secret propaganda education, the secret propaganda education is changed from 'description' to 'presentation' by utilizing the immersing sense, interactivity and conception characteristics of the virtual reality technology, trained personnel is changed from 'bystanders' to 'participators', the problems of relatively boring content and poor feedback interaction can be well solved to a certain extent, the effect similar to a practical training platform is achieved, and the cost of manpower and material resources can be greatly reduced due to the repeatability and autonomous definition characteristics of the secret propaganda education, so that the high efficiency of secret education is realized.
Disclosure of Invention
The invention aims to overcome the defects of the traditional secret propaganda and education mode, and provides a secret propaganda and education training system based on virtual reality and an implementation method thereof.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the secret propaganda education training system based on virtual reality comprises a multi-scene switching relation module, a man-machine interaction module, a single-scene operation mechanism module and a special effect animation module;
the multi-scene switching relation module is used for controlling the operation of all scene switching in the whole system and ensuring the correct sequence of the single field Jing Jiazai and the operation; the single-scene operation mechanism module is used for realizing independent operation of a single virtual scene;
further, the multi-scene switching relation module needs to ensure that the next single scene in sequence is in a locking state, and the next single scene in correct sequence can be triggered to be unlocked only after the current single scene task is completed; the multi-scene switching relation module also needs to ensure that a user finishes immersion interaction experience on the current single scene through the man-machine interaction module in the process of accepting secret propaganda education based on virtual reality, namely, the case of the current single scene is in an unlocking state;
The further special effect animation module refers to the visual effect of each single scene case.
The implementation method of the secret propaganda education training system based on virtual reality comprises the following implementation steps:
(1) The single scene operation mechanism module and the special effect animation module are completed, namely the content form and the script design of the scenario;
(2) Building a three-dimensional model and multi-scene switching relation module, namely, manufacturing a three-dimensional model and building a scene;
(3) The design implementation and test optimization of the man-machine interaction module, namely the interactive design implementation and test optimization;
the implementation of the step (1) comprises a learning stage, a inspiration stage, a pen-down stage and a perfection stage;
the learning content of the learning stage comprises a publicized educational object, publicized teaching content and a required teaching effect;
the inspiration stage comprises arranging material content of a learning stage, finding related existing virtual reality movies or games, finding specific data of required confidential cases, finding relations among cases and conceiving scenario scripts of the cases in a virtual reality scene; the method comprises the steps of sorting material contents in a learning stage, namely sorting propaganda teaching contents according to different objects of propaganda education, extracting keywords of each block according to sorted block contents, searching films or games meeting screening conditions on a video and an application platform through the keywords, leaving works most matched with the keywords, and searching secret-related cases and forms which should be designed for the block contents by the works; then searching specific data according to the preliminarily designed secret-related cases; after the inspiration of the required block content is extracted, constructing a graph to find the relation of each block, so that the case scenario is constructed, namely, a scenario script of the case in the virtual reality scene is conceived;
The pen-down stage is to write the conception of the inspiration stage, namely, completing the single scenes of all cases and the initial manuscript of the general connection scenario script;
the perfecting stage is to modify and perfect the first draft according to user feedback and actual conditions;
the implementation of the step (2) specifically comprises a framing stage, a manufacturing stage, a synthesizing stage and a preview stage;
the view finding stage is to conduct field investigation and photographing on the similar sites in the real world according to content setting, or to find other relevant site map materials;
the manufacturing stage is to manufacture corresponding object models according to content requirements by using 3dmax or Maya three-dimensional model manufacturing software, then manufacture model mapping software by using Adobe photoshop or Substance Painter, and draw external mapping of each object model according to PBR (physical rendering) based rules to form a model library for later calling and content re-expansion;
the synthesis stage is to import a three-dimensional model required by each single scene into the Unity 3D, reasonably build the model according to a framing result, and then arrange the light and the camera of each virtual single scene, wherein the arrangement target is close to the real world;
the preview stage is to connect the VR helmet in, and immersing whether the proportion, layout, light and visual angle of the virtual scene are in accordance with reality;
The step (3) comprises a preparation stage, a programming stage, a testing stage, an optimizing stage and a release stage;
because the system is interactively developed by using Unity 3D, and man-machine interaction is realized by combining a virtual reality helmet and a handle, four modules of the system are realized by writing a C# Script control Script, and the four modules comprise a multi-scene switching relation module, a man-machine interaction module, a single-scene operation mechanism module and a special effect animation module;
the preparation stage is the connection of the virtual reality hardware equipment and the computer;
the programming stage comprises joint debugging of software and hardware, writing of single scene control script and series connection of switching relations of all scenes;
the testing stage is to perform user testing on the completed first version and collect testing results;
the optimizing stage is to perform optimizing modification on the user test result and the actual situation of the first version, and repeat the test and the optimizing until the published standard is reached, so that the final publishing stage can be performed.
The series connection of the scene switching relations in the programming stage is realized through a global variable; in order to realize experience according to the case development sequence of the secret related cases, setting a global int type variable for representing the numerical value of a single scene which is successfully unlocked and experienced; the initial value of the variable is 1, and each time a case scenario scene is successfully unlocked and experienced, the value of the variable in the case related to the case is increased by 1, and when the value of the variable is equal to the index value of the last part of the case scenario scene in the case related to the case, all the case scenario scenes in the case related to the case are unlocked. After the successful passing case bill scene has been challenged successfully again, before executing the variable plus 1 operation, the value of the current variable is compared with the index value of the current passing case bill scene, and if the variable value is greater than the index value of the current case bill scene, the variable does not execute the plus 1 operation.
The single scene control script in the programming stage has a unified mode: current scenario (a) +current trainee identity (B) +current case task (C) +rewarding mechanism (E) +punishing mechanism (F); wherein A, B, E, F is a variable; the method comprises the steps that A is used for loading a current scene, B automatically refers to the identity of a trainee in the scene to which the trainee belongs when the current scene is selected, and E and F automatically call rewarding and punishment mechanisms respectively corresponding to the scene when the current scene is selected; the C in each scene contains a plurality of pool type feature variables D, each feature variable D is used for controlling the progress of the current task, and the value of C (default false) can be changed into true only when the value of each feature variable D in the current C is true (i.e. the task to which the feature variable D belongs is successfully completed); only if the C of the current scene is true, the success of the propaganda education and training challenges related to the scene is indicated, and then E is called to give corresponding rewards to trainees; if C is false, it represents failure, then F is called to make trainee accept punishment.
Compared with the traditional secret propaganda education training, the secret propaganda education training system based on virtual reality and the implementation method thereof have the following beneficial effects:
(1) Effectiveness is as follows: for people who receive secret propaganda education, except learning basic knowledge related to secret, the system has the capability of preventing and judging secret leakage events, and can timely take corresponding effective measures, but traditional secret propaganda education modes such as graphic display, manual explanation, teaching lectures, warning video playing and the like are passive for trained personnel and learn from bystanders, and can not truly experience the process of secret case occurrence.
(2) Repeatability: the system is a software platform connected with virtual reality hardware equipment, a trainee can repeatedly enter a program to perform multiple experiences, each secret-related case in the training system even each case scenario scene can also perform repeated experiences, the immersion feeling of the secret-related case is deepened, the memory of the brain to the scene is stimulated by increasing the repeated times of learning, and the taught training content is consolidated.
(3) Expansibility: the system can be added with a plurality of secret-related cases, each secret-related case is required to be designed into a plurality of case development sub-scenes according to reality and case properties, the selection of the secret-related cases is determined according to requirements, such as the secret-related cases related to national confidential documents, related academic scientific research data, related company product design, related personal identity information and other different occasions, different properties, different objects and different secret technologies are different, and the system can autonomously define scenario scripts of the secret-related cases according to different classifications and requirements, namely the system has the expansibility of content design.
(4) Economy: the cost of the place, manpower and maintenance resources required by the traditional secret propaganda practical training is very high, the system only needs a VR helmet, two handles, two positioners and a square place of 15 to 20 square feet, the place limit is small, after the secret cases and the sub-scenes required by the system are developed, the secret cases and the sub-scenes can be packed into a stable executable file, only one person is generally required to conduct the operation at the side, in addition, the system can be used repeatedly by trainees for many times, the high manpower and later maintenance pressure brought by the traditional practical training mode are relieved to a certain extent, the daily running cost is greatly reduced, and the cost of secret propaganda education and training can be further reduced.
Drawings
Fig. 1 is a functional block diagram of the secret propaganda education training system based on virtual reality of the present invention.
FIG. 2 is a flow chart of the operation of the virtual reality based security propaganda educational training system platform of the present invention.
Fig. 3 is a flow chart of a method for implementing the security propaganda education and training system based on virtual reality of the invention.
Detailed Description
The foregoing description is merely an overview of the present invention and is provided to illustrate the present invention and other objects, features and advantages of the present invention.
The technical scheme of the invention will be clearly and completely described below by referring to the accompanying drawings and combining embodiments, and specific functional modules, operation modes and implementation methods of the invention are further described in detail. It is emphasized that the following examples are preferred embodiments of the present invention, not all of which are intended to be illustrative of the present invention and are not intended to limit the scope of the invention.
The secret propaganda education training system based on virtual reality comprises a multi-scene switching relation module, a man-machine interaction module, a single-scene operation mechanism module and a special effect animation module.
The multi-scene switching relation module is used for grasping the operation logic of all scene switching in the whole system; the man-machine interaction module is used for realizing all interaction operations of the software system and the hardware equipment; the single scene operation mechanism module is used for enabling a plurality of virtual scenes contained in the system to have independent operation mechanisms; the special effect animation module is used for realizing special effect animations which can increase comfort, ornamental value and entertainment.
The multi-scene switching relation module is used for switching and loading all single scenes in the system and ensuring the correct sequence of the single scenes Jing Jiazai and operation. The multi-scene switching relation module runs through the whole system and does not run independently. Because the scenario content related to different secret related cases is different, the number of single scenes related to each secret related case and the running sequence of each single scene are also different, so the multi-scene switching relation module also needs to ensure the correct sequence of the single scene Jing Jiazai and the running, namely, if the current case experienced by the user does not develop to the next step, the multi-scene switching relation module needs to ensure that the single scene related to the next step is in a locking state, and only after the current single scene task is completed, the single scene of the next step can be unlocked. Further, in order to meet the requirement that the user wants to review the case, the multi-scene switching relationship module needs to ensure that the case menu scene of which the user has completed the immersion interaction experience is in an unlocked state.
The man-machine interaction module provides immersive visual experience and reasonable interaction of events in the system, and comprises a virtual reality hardware part and an interaction control module. The virtual reality hardware portion includes a virtual reality head mounted display (i.e., VR headset), two single hand-held operating handles, two 360 degree positioning overlays and can track the display and the controller's locator simultaneously, including all scripts implementing the required interactive methods. The module realizes visual interaction of the VR helmet and operation interaction of a handle through a VRTK script, wherein the handle operation interaction comprises UI clicking operation, operation of a user to control the user to move in a virtual scene, operation of touching and grabbing objects in the virtual scene, operation of calling a case prompt, operation of clicking confirmation and the like, and specific interaction operation is determined according to a secret-related case and a case list scene and is required to be arranged according to the real condition and logic of a real case in combination with the characteristics of virtual reality.
The single scene operation mechanism module has the advantages that the number of single scenes is not limited, the case single scene contained in each secret-related case is determined by the case, each scene can be independently edited, namely, the content design and the logic implementation method have certain changes, and the logic design is determined by the content of the current scene. If the novice experience scene is the only single scene independent of other secret related cases, the setting purpose is to guide the user to become familiar with the use of the system, the basic interactive operation which is necessarily used in all other scenes is included, and the logic implementation is realized by sequentially calling the ID number of each novice operation task.
The special effect animation module is determined by the current scene and the content requirement, and is used for achieving the visual effect which accords with the actual situation and can add reasonable appreciation and entertainment, so as to enhance the comfort, the appreciation and the entertainment of the system. The basic special effect animation to be realized comprises transition change of color, basic attribute change of an object model, basic attribute change of UI and proper particle system animation, and the special effect animation related to a specific single scene is determined by the content of the case.
The implementation method of the secret propaganda education training system based on virtual reality comprises the following implementation steps:
(1) The single scene operation mechanism module and the special effect animation module are completed, namely the content form and the script design of the scenario;
(2) Building a three-dimensional model and multi-scene switching relation module, namely, manufacturing a three-dimensional model and building a scene;
(3) The design implementation and test optimization of the man-machine interaction module, namely the interactive design implementation and test optimization;
the specific implementation of the step (1) comprises a learning stage, a inspiration stage, a pen-down stage and a perfecting stage, and the interestingness and the effectiveness of the system are related;
the learning stage is to accurately position the basic requirements of the secret propaganda education system, including propaganda educational objects, propaganda teaching contents and required teaching effects through learning secret work documents related to secret law, secret work current development report and the like; the publicized educational objects in the learning stage comprise confidential personnel of confidential vital departments, confidential trunks of special faculty, public staff, military industry, citizens interested in confidential knowledge in society, and the like, and the differences and commonalities of the confidential personnel, such as the common points are that the objects are groups which are urgently required for deep education and training for confidential work content, the most obvious point in the differences is that the age stage and social status of the objects are different, and the contents of different groups are designed and customized by comparing and testing the differences and the commonalities of the objects; the propaganda education content in the learning stage comprises four modules, namely, a graphic display module, a manual explanation module, a lecture module, a privacy consciousness module, a privacy legal module, a privacy technology module and a privacy management module, wherein the graphic display module, the manual explanation module, the lecture module and the privacy consciousness module are used for teaching and expressing in a warning video in the traditional privacy propaganda education, namely, the content design is to use a real case as a foothold point. The required teaching effect of the learning stage is to take the current requirement as a guide, so that secret knowledge is embodied, secret skills are visualized, secret technology is visualized, the authenticity, the teaching performance and the irreplaceability of the content are ensured, the quality of secret propaganda education is improved, and the secret propaganda education achieves the required pertinence and the actual effectiveness;
The most important step in the learning stage is that the virtual reality technology is fused with the basic requirement of the secret propaganda education system, the effect of a real scene practical training platform for immersing cases in the existing secret propaganda education mode is relatively best, but the cost for building the real scene is very high, so that the secret cases in the real world are experienced in a very good mode in a mode of virtual case scene interaction, secret propaganda education and virtual reality are skillfully fused together, and the effectiveness and economy required by secret propaganda education are achieved; the implementation is that secret propaganda teaching contents with large magnitude are integrated and classified with different objects (such as objects of propaganda education of public service personnel, enterprise high-rise leadership and the like) by different attributes (such as rule class, technical class, flow class and the like), the contents are distributed in the form of cases or stories, scenes generated by the cases or stories are constructed in the form of three-dimensional models through unique immersion and interactivity characteristics of virtual reality, and then the secret propaganda education and virtual reality fusion is realized by combining virtual reality hardware equipment with interactive software development;
The inspiration stage comprises arranging material content of a learning stage, finding out the existing virtual reality movies or games, finding out specific data of the required confidential cases, finding out relations among the cases, and conceiving scenario scripts of the cases in the virtual reality scene; the method comprises the steps of sorting material contents in a learning stage, namely sorting propaganda teaching contents according to different objects of propaganda education, extracting keywords of each block according to sorted block contents, searching films or games meeting screening conditions on a video and an application platform through the keywords, leaving works most matched with the keywords, and searching secret-related cases and forms which should be designed for the block contents by the works; then searching specific data according to the preliminarily designed secret-related cases; after the inspiration of the required block content is extracted, constructing a graph to find the relation of each block, so that the case scenario is constructed, namely, a scenario script of the case in the virtual reality scene is conceived;
writing a script initial draft of each case single scene of the secret-related case to be realized in the pen-down stage;
the perfecting stage modifies and perfects the first draft according to user feedback and actual conditions, and simultaneously prepares other materials required by the content, such as interface design, sound effect and the like;
The three-dimensional model making and scene construction in the step (2) comprises a framing stage, a making stage, a synthesizing stage and a previewing stage, and the attractiveness and the sense of reality of the system are related;
the view finding stage is to perform field investigation, photo taking or other related field map film materials searching on the similar field in the real world according to the content setting;
the manufacturing stage comprises the steps of manufacturing corresponding object models according to content requirements by using three-dimensional model manufacturing software such as 3dmax or Maya, manufacturing model mapping software by using Adobe photoshop or Substance Painter, drawing external mapping of each object model according to a physical rendering rule of PBR, and further forming a model library for later calling and content re-expansion;
the synthesis stage is to import a three-dimensional model required by each single scene into the Unity 3D, reasonably build the model according to a framing result, and then arrange the light and the camera of each virtual single scene, wherein the arrangement target is close to the real world; the preview stage is to connect the VR helmet in, and immersing whether the proportion, layout, light and visual angle of the virtual scene are in accordance with reality;
the step (3) of interactive design implementation and test optimization comprises a preparation stage, a programming stage, a test stage, an optimization stage and a release stage, wherein the part relates to whether the system can normally, reasonably and orderly operate; the secret propaganda education training system based on virtual reality is interactively developed by using Unity 3D, realizes man-machine interaction by combining a virtual reality helmet and a handle, and realizes the four modules of the system by writing a C# Script control Script, wherein the four modules comprise a multi-scene switching relation module, a man-machine interaction module, a single scene operation mechanism module and a special effect animation module; the preparation stage is the connection of the virtual reality hardware equipment and the computer; the programming stage comprises joint debugging of software and hardware, writing of single scene control script and series connection of switching relations of all scenes; the testing stage is to perform user testing on the completed first version and collect testing results; the optimizing stage is to perform optimizing modification on the user test result and the actual situation of the first version, and repeat the test and the optimizing until the published standard is reached, so that the final publishing stage can be performed. Wherein the writing of the single scene control script of the programming stage is described by way of example in the detailed description;
Further, wherein each scene switching relationship concatenation of the programming phase is implemented by a global variable; in order to realize the experience according to the case development sequence of the secret related cases, a global int-type variable is set, the global int-type variable represents the numerical value of the successful body inspection scene, the current value of the variable is several, the number of case sheet scenes corresponding to the secret related cases unlocked in sequence is several, the initial value of the variable is 1, then each time the case sheet scenes pass successfully, the numerical value of the variable in the secret related cases is increased by one, and when the value of the variable is equal to the index value of the last part of the case sheet scenes in the secret related cases, all the case sheet scenes in the secret related cases are unlocked. It should be noted that, since the previous case scenario that successfully passed may be challenged again, before performing the variable plus one operation, the value of the variable needs to be compared with the index value of the current case scenario that successfully passed, for example, the second case scenario that successfully passed the secret case now, where the variable should be equal to 2, and the index value of the second case scenario is 2, then the value of the variable is increased by one; if the second case scenario scene of the secret related case is successfully passed, the second case scenario scene is challenged again and is successfully passed, at this time, the variable value is already added to be 3 because the second case scenario scene is successfully passed last time, but the index value of the second case scenario scene is unchanged and still is 2, at this time, the variable cannot execute the operation of adding one, so that the correct running of the program is ensured.
One preferred embodiment of the present invention, namely one of the confidential cases, specifically operates as follows:
(1) The trainee enters a training system, the trainee using the system for the first time needs to go through a novice task scene, and enters a secret-related case selection space selection case 'guard country latest scientific research secret' after being familiar with basic operation practice in the novice task.
(2) After entering a case, only a case situation division scene I, namely a 'special task', is in an unlocking open state; after the 'special task' is entered, the 'limit rescue' of the case scenario two 'limit rescue' can be unlocked and the winning white screen rewarding 1 can be obtained after the three subtasks of inserting the USB flash disk into the correct computer, selecting the correct printer and selecting the proper escort mode are successfully completed, otherwise, the 'special task' is accepted and challenged until the 'special task' is successful.
(3) After the second extreme rescue of the case scenario is unlocked, the user can enter and experience, three pinhole cameras with miniature bombs hidden in offices can be found within the specified three-minute time, the third extreme rescue of the case scenario can be unlocked, the victory white screen rewards 2 are obtained, otherwise, the user receives the black screen punishment 2 of the explosion and falling of the room and continuously challenges the extreme rescue until the success.
(4) After the case scenario is unlocked, the situation can be entered and experienced, a trainee can successfully find four dangerous objects to put into a basket on a conference table, the experience of the case of the latest scientific research secret of the guard country can be completed, the case training qualified electronic certificate is obtained, otherwise, the black screen punishment 3 is accepted, and the situation is challenged continuously until successful.
(5) After all cases in the case of the latest scientific research secret of the guard country are unlocked and successfully experienced, the trainee can choose to continue to challenge or end the training to exit the training system.
Fig. 3 is a schematic diagram of a method for implementing the secret propaganda education training system based on virtual reality according to the present invention, and the development steps are described as follows, in combination with the above-mentioned preferred embodiment "the latest scientific research secret of the guard country":
(1) The design of the content form and scenario script, including a learning stage, a inspiration stage, a pen-down stage and a perfecting stage, is the key of the whole development process, and directly relates to the interestingness and effectiveness of the system presentation. According to a preferred embodiment, the advertised educational object under study is primarily a confidential key agency confidential personnel; the content to be publicized and taught is security and safety consciousness and prevention of photoelectric secret stealing technology; the teaching effect hoped to be realized is that a trainee can have the capability of preventing and judging the possible occurrence of a secret leakage event and can take corresponding effective measures in time; the inspiration sources are a pinhole camera secret stealing comprehensive case, a propaganda video prepared by secret stealing prevention in a conference room, a few detective parlance and a secret room escape game.
The materials for realizing the preparation are the word introduction and interface layout of three case and scenario scenes, the background sound effect suitable for each scene and the recording materials required by voice prompt when the case and scenario are carried out.
(2) The three-dimensional model making and scene construction comprise a view finding stage, a making stage, a synthesizing stage and a preview stage, and the attractiveness and the sense of reality of the system are related. According to the preferred embodiment, the obtained facts are a conference room of a main anti-theft technical equipment company, an office of a manager of a market part of the main anti-theft technical equipment company, an experimental machine room of a school and a coffee shop respectively; building a required three-dimensional model of the object such as a pinhole camera, three-in-one equipment, a storage U disk and the like by using modeling software 3dmax, and drawing an external map of each object model by Adobe Photoshop and according to a physical rendering rule of PBR; and finally, respectively importing all the models related to the three case scenes and the novice task scene into Unity 3D, reasonably building the models according to the view finding result, and then arranging the light and the camera of each virtual single scene, wherein the arrangement target is close to the real world. The preview stage is to connect the VR helmet in, and immersing the ratio, layout, light and visual angle of the virtual scene to be experienced to be in accordance with reality.
(3) The interactive design implementation and test optimization comprises a preparation stage, a programming stage, a testing stage, an optimizing stage and a release stage, and is related to whether the system can normally, reasonably and orderly operate. The system is developed by using Unity 3D in an interactive way, and then realizes man-machine interaction by combining a virtual reality helmet and a handle, and four modules of the system are realized by writing a C# Script control Script and comprise a multi-scene switching relation module, a man-machine interaction module, a single-scene operation mechanism module and a special effect animation module. The preparation phase is the connection of the virtual reality hardware device to the computer. The programming stage comprises joint debugging of software and hardware, writing of single scene control script and series connection of switching relations of each scene. And the testing stage is to perform user testing on the completed first version and collect testing results. The optimizing stage is to perform optimizing modification on the user test result and the actual situation of the first version, and repeat the test and the optimizing until the published standard is reached, and the final publishing stage can be performed.
Further, wherein each scene switching relationship concatenation of the programming phase is implemented by a global variable; in order to realize the experience according to the case development sequence of the secret related cases, a global int-type variable is set, the global int-type variable represents the numerical value of the successful body inspection scene, the current value of the variable is several, the number of case sheet scenes corresponding to the secret related cases unlocked in sequence is several, the initial value of the variable is 1, then each time the case sheet scenes pass successfully, the numerical value of the variable in the secret related cases is increased by one, and when the value of the variable is equal to the index value of the last part of the case sheet scenes in the secret related cases, all the case sheet scenes in the secret related cases are unlocked. It should be noted that, since the previous case scenario that successfully passed may be challenged again, before performing the variable plus one operation, the value of the variable needs to be compared with the index value of the current case scenario that successfully passed, for example, the second case scenario that successfully passed the secret case now, where the variable should be equal to 2, and the index value of the second case scenario is 2, then the value of the variable is increased by one; if the second case scenario scene of the secret related case is successfully passed, the second case scenario scene is challenged again and is successfully passed, at this time, the variable value is already added to be 3 because the second case scenario scene is successfully passed last time, but the index value of the second case scenario scene is unchanged and still is 2, at this time, the variable cannot execute the operation of adding one, so that the correct running of the program is ensured.
Wherein, according to the preferred embodiment, the programming of the single scene control script of the programming stage is described as follows:
first, a "staff task" case scenario. The special task is set according to scenario, three subtasks are all distributed in sequence, an int type variable (currentStep) is required to be set to represent the current task stage, each subtask has two choices, one is correct, one is wrong, three Boolean type variables (isComputerSafe, isPrinterSafe, isSendTypeSafe) are required to be set to be used for judging whether each subtask is successful or not, initial values are all set to false, and two methods are required to be set to respectively control interaction states of the objects related to the other two subtasks when the current subtask is carried out, namely ChangePrinterInteractableState (bool state) and ChangeSendTypeState (bool state), and the method function is only required to be called and the Boolean value of the input parameter is changed when the special task is used. In general, the scene mainly controls the game progress by changing an input parameter, namely a current task stage currentStep, through a switch statement, if the current task stage is one, namely 'case 1:', if a player selects correctly, the current task stage currentStep is added with one, and the object state to be interacted with by the next subtask is set as true; if the player chooses an error, a penalty is performed and a failure is declared.
Secondly, a 'limit rescue' case scenario. The decision requirement for success of the "rescue limited" checkpoint is to find three pinhole cameras with miniature bombs within three minutes of a specified time. Here, two int-type variables need to be set to represent the total number of tasks in the scene (miss len, with a value of 3) and the number of tasks completed (complexemissance count, with an initial value of zero), one float-type variable to represent the remaining time (total time, with an initial value of 180 seconds), and one boolean-type variable to represent whether the checkpoint is finished (isOver, with an initial value of false), respectively. Introducing a function method MissionComplete () for updating the number of completed tasks into On Touch modules On VRTK_ Interactable Object _Unity Events scripts of three pinhole cameras, triggering the On Touch modules of the pinhole cameras when one pinhole camera is successfully found, adding one to the number of completed tasks through the MissionComplete () method in GameManger by On Touch, continuously decreasing the remaining time, and judging that the number of completed tasks is more than or equal to the total number of tasks before the remaining time is less than zero, otherwise, judging that the task is successful.
Finally, the situation scene is 'soaring' in case. "prevent it" is in fact to let the trainee find a fixed number of correct articles. Each graspable item has two conditions of judgment, namely whether it enters the basket or not, and whether it is a correct item or not, two boolean variables isinbosset and isRight are set for representing the two conditions, and the initial values are set to false, which means that all graspable items are out of the basket and are in an incorrect state when no operation is performed. The basket is used for updating the two Boolean values on the article, namely changing the state of entering the basket and judging whether the basket is a correct article or not, the whole basket is a Trigger (Trigger), each article capable of being placed in the basket is provided with a collision device (Box Collider), and the conditions of using the two methods OnTriggerEnter (Collider other) and OnTriggerExit (Colliderother) as the basket of the Trigger are met, wherein the two methods can access the article and the variable and the component on the article through the collision device other which is placed in or taken out of the article. The labels are required to be set for all the grippable articles, and are respectively named as 'TheRight' and 'TheWrong' according to the classification of the articles, namely, the labels of four correct articles which need to be taken away and have threat are 'TheRight', the labels of the rest safety articles which need not to be taken away are 'TheWrong', and the purpose of the two labels is to enable the basket to know who is the value of isRight to be changed into true. For updating the isinbosset value is relatively simple, the value is changed to true by the on trigger and changed back to false by the on trigger exit when the basket is put in, and it should be noted here that the two handles are also provided with the collider to be identified by the basket, so before the updating operation is performed, whether the object attached by the incoming collider is provided with the "thesright" or "theswrng" tag needs to be detected, and if the object is not provided with the direct return, the updating operation is not performed. Finally, setting three int type variables in the scene master console GameManger, respectively representing the total number of tasks, the number of articles entering the basket and the number of correct articles entering the basket, when the number of articles entering the basket reaches four, starting to traverse the articles in the current basket, only when the isBasset and isRight values of the articles are true, adding one to the number of the correct articles in the basket, and after all traversing is finished, comparing the number of the correct articles in the basket with the total number of tasks, if the number is greater than or equal to the number representing successful challenges, otherwise, judging that the process is failed.
The embodiment of the invention overcomes the defects of boring content and poor feedback interaction of the traditional training mode by a virtual reality technology. Through the content design, a set of complete and strict secret-related case scripts are written, the latest aviation material scientific research result is used as a core main line, secret-related personnel playing different identities are used as main forms, the secret-related scenario guidance is used as an operation flow, and a vivid virtual secret-related scene is used for interaction experience of trainees, so that the trainees can learn secret knowledge in the sense of immersion in the scene of personally visiting the secret-related cases, the secret consciousness is improved, and the efficiency of secret propaganda, education and training is greatly improved.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit of the invention or exceeding the scope of the invention as defined by the following claims.
Claims (1)
1. The secret propaganda education training system based on virtual reality is characterized by comprising a multi-scene switching relation module, a man-machine interaction module, a single-scene operation mechanism module and a special effect animation module;
The multi-scene switching relation module is used for controlling the operation of all scene switching in the whole system and ensuring the correct sequence of the single field Jing Jiazai and the operation; the single-scene operation mechanism module is used for realizing independent operation of a single virtual scene;
further, the multi-scene switching relation module needs to ensure that the next single scene in sequence is in a locking state, and can trigger the unlocking of the next single scene only after the current single scene task is completed; the multi-scene switching relation module also needs to ensure that a user finishes immersion interaction experience on the current single scene through the man-machine interaction module in the process of accepting secret propaganda education based on virtual reality, namely, the case of the current single scene is in an unlocking state;
the further special effect animation module refers to the visual effect of each single scene case;
the multi-scene switching relation module is used for switching and loading all single scenes in the system and ensuring the correct sequence of the single scene Jing Jiazai and operation; the multi-scene switching relation module penetrates through the whole system and does not independently run; because the scenario content related to different secret related cases is different, the number of single scenes related to each secret related case and the running sequence of each single scene are also different, so that the multi-scene switching relation module also needs to ensure the correct sequence of the single scene Jing Jiazai and the running, namely, if the current case experienced by a user does not develop to the next step, the multi-scene switching relation module needs to ensure that the single scene related to the next step is in a locking state, and only after the current single scene task is completed, the single scene of the next step can be unlocked; further, in order to meet the requirement that the user wants to review the case, the multi-scene switching relation module also needs to ensure that the case menu scene of which the user has completed the immersion interaction experience is in an unlocking state;
The man-machine interaction module provides immersive visual experience and reasonable interaction of events in the system, and comprises a virtual reality hardware part and an interaction control module; the virtual reality hardware part comprises a virtual reality head-mounted display, two single-hand-held control handles and two 360-degree positioning coverage locators capable of simultaneously tracking the display and the controller, and comprises all scripts for realizing a required interactive operation method; the module realizes visual interaction of a VR helmet and operation interaction of a handle through a VRTK script, wherein the handle operation interaction comprises UI clicking operation, operation of a user to control the user to move in a virtual scene, operation of touching and grabbing objects in the virtual scene, operation of calling a case prompt and operation of clicking confirmation, and the specific interaction operation is determined according to a secret-related case and a case list scene and is arranged according to the real condition and logic of a real case in combination with the characteristics of virtual reality;
the single scene operation mechanism module is not limited in number, each case scenario included in each secret-related case is determined by the case itself, each scene can be independently edited, namely, the content design and the logic implementation method have certain changes, and the logic design is determined by the content of the current scene; if the novice experience scene is the only single scene independent of other secret related cases, the setting purpose is to guide the user to become familiar with the use of the system, the basic interactive operation which is necessarily used in all other scenes is included, and the logic implementation is realized by sequentially calling the ID number of each novice operation task;
The special effect animation module is determined by the current scene and the content requirement, and is used for achieving the visual effect which accords with the actual situation and can add reasonable appreciation and entertainment, so as to enhance the comfort, the appreciation and the entertainment of the system; the basic special effect animation to be realized comprises transition change of color, basic attribute change of an object model, basic attribute change of a UI and proper particle system animation, and the special effect animation related to a specific single scene is determined by the content of a case;
the implementation method of the secret propaganda education training system based on virtual reality comprises the following steps:
(1) The single scene operation mechanism module and the special effect animation module are completed, namely the content form and the script design of the scenario;
(2) Building a three-dimensional model and multi-scene switching relation module, namely, manufacturing a three-dimensional model and building a scene;
(3) The design implementation and test optimization of the man-machine interaction module, namely the interactive design implementation and test optimization;
the implementation of the step (1) comprises a learning stage, a inspiration stage, a pen-down stage and a perfection stage;
the learning content of the learning stage comprises the objects to be publicized, the content of publicized teaching and the required teaching effect;
The inspiration stage comprises arranging the material content of the learning stage, finding the existing virtual reality movies or games, finding the specific information of the required confidential cases, finding the relation among the cases and conceiving the scenario scripts of the cases in the virtual reality scene; the method comprises the steps of sorting material contents in a learning stage, namely sorting propaganda teaching contents according to different objects of propaganda education, extracting keywords of each block according to sorted block contents, searching films or games meeting screening conditions on a video and an application platform through the keywords, leaving works most matched with the keywords, and searching secret-related cases and forms which should be designed for the block contents by the works; then searching specific data according to the preliminarily designed secret-related cases;
after the inspiration of the required block content is extracted, constructing a graph to find the relation of each block, so that the case scenario is constructed, namely, a scenario script of the case in the virtual reality scene is conceived;
the pen-down stage is to write the conception of the inspiration stage, namely, completing the single scenes of all cases and the initial manuscript of the general connection scenario script;
the perfecting stage is to modify and perfect the first draft according to user feedback and actual conditions;
The implementation of the step (2) specifically comprises a framing stage, a manufacturing stage, a synthesizing stage and a preview stage;
the view finding stage is to conduct field investigation and photographing on the similar sites in the real world according to content setting, or to find other relevant site map materials;
the manufacturing stage is to manufacture corresponding object models according to content requirements by using 3dmax or Maya three-dimensional model manufacturing software, then manufacture model mapping software by using Adobe photoshop or Substance Painter, and draw external mapping of each object model according to PBR (physical rendering) based rules to form a model library for later calling and content re-expansion;
the synthesis stage is to import a three-dimensional model required by each single scene into the Unity 3D, reasonably build the model according to a framing result, and then arrange the light and the camera of each virtual single scene, wherein the arrangement target is close to the real world;
the preview stage is to connect the VR helmet in, and immersing whether the proportion, layout, light and visual angle of the virtual scene are in accordance with reality;
the step (3) comprises a preparation stage, a programming stage, a testing stage, an optimizing stage and a release stage;
because the system is interactively developed by using Unity 3D, and man-machine interaction is realized by combining a virtual reality helmet and a handle, four modules of the system are realized by writing a C# Script control Script, and the four modules comprise a multi-scene switching relation module, a man-machine interaction module, a single-scene operation mechanism module and a special effect animation module;
The preparation stage is the connection of the virtual reality hardware equipment and the computer;
the programming stage comprises joint debugging of software and hardware, writing of single scene control script and series connection of switching relations of all scenes;
the testing stage is to perform user testing on the completed first version and collect testing results;
the optimizing stage is to perform optimizing modification on the user testing result and the actual situation of the first version, and repeat testing and optimizing until the published standard is reached, so that the final publishing stage can be performed;
the scene switching relation series connection of the programming stage is realized through a global variable; in order to realize experience according to the case development sequence of the secret related cases, setting a global int type variable for representing the numerical value of the successfully unlocked and body inspection scene; the initial value of the variable is 1, and each time a case scenario scene is successfully unlocked and experienced, the value of the variable in the case related to the case is added with 1, and when the value of the variable is equal to the index value of the last part of the case scenario scene in the case related to the case, all the case scenario scenes in the case related to the case are unlocked;
after the successful passing case bill scene is challenged successfully again, before the variable 1 adding operation is executed, the value of the current variable is compared with the index value of the current passing case bill scene, and if the variable value is greater than the index value of the current case bill scene, the variable does not execute the 1 adding operation;
The single scene control script in the programming stage has a unified mode: the current scene A+the current trainee identity B+the current case task C+the rewarding mechanism E+the punishment mechanism F; wherein A, B, E, F is a variable; the method comprises the steps that A is used for loading a current scene, B automatically refers to the identity of a trainee in the scene to which the trainee belongs when the current scene is selected, and E and F automatically call rewarding and punishment mechanisms respectively corresponding to the scene when the current scene is selected; the C in each scene comprises a plurality of characteristic variables D of a pool type, each characteristic variable D is used for controlling the progress of the current task, and the value of C can be changed into true only when the value of each characteristic variable D in the current C is true; only if the C of the current scene is true, the success of the propaganda education and training challenges related to the scene is indicated, and then E is called to give corresponding rewards to trainees; if C is false, it represents failure, then F is called to make trainee accept punishment.
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