CN116681813B - 3D scene rendering method and system in browser of blockchain original authentication - Google Patents
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Abstract
The invention provides a 3D scene rendering method and system in a browser of blockchain original authentication, and belongs to the technical field of data processing. The method comprises the following steps: dividing a material library of the 3D scene according to the category of the browser resource to obtain a plurality of sub-classified materials; respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library; carrying out hash function operation on the binary data stream, generating unique command marks of materials, generating acknowledgement information, uploading the acknowledgement information as blockchain information to a blockchain node, so that a blockchain platform carries out identification of the unique command marks according to the acknowledgement information, loading a 3D scene frame, and loading sequentially according to loading priorities in sub-classification material identifications. The invention realizes the non-homogeneous identification and the right confirmation of the materials while realizing the efficient rendering of the larger 3D scene in the browser.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a 3D scene rendering method and system in a browser for block chain original authentication.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Rendering is the last step of a computer animation, which is also the stage that eventually fits the image into a 3D scene, and the rendering of interactive media (e.g. games and simulations) is computed and displayed in real time at a rate of about 20 to 120 frames per second, in real time rendering the aim being to display as much information as the eyes can handle in fractions of a second (in the case of an animation of 30 frames per second, one frame contains 30 fraction of a second), the main aim being to achieve as high a photo-level realism as possible at the lowest acceptable rendering rate (typically 24 frames per second, as this is the lowest rate required for the human eye to successfully create a illusion of motion).
The inventor finds that the materials such as the map, the model and the like in the same 3D large scene cannot be efficiently rendered in real time at the Web end at present, and the problem of low rendering efficiency exists; in a scene shared by multiple people, non-homogeneous identification and confirmation of materials such as a map and a model added by different users cannot be realized, originality of the materials cannot be distinguished, original materials and non-original materials are rendered at the same time, and rendering efficiency is further reduced.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the 3D scene rendering method and the system in the browser for the block chain original authentication, which realize the non-homogeneous identification and the confirmation of the user-defined materials while realizing the efficient rendering of the larger 3D scene in the browser, ensure the priority of the original materials and improve the rendering efficiency.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the first aspect of the invention provides a 3D scene rendering method in a browser of blockchain original authentication.
A3D scene rendering method in a browser of block chain original authentication comprises the following steps:
separating the 3D scene to obtain a 3D scene frame and a material library, and dividing the material library according to the category of the browser resource to obtain a plurality of sub-classification materials;
respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
As a further limitation of the first aspect of the present invention, the blockchain platform generates a data block corresponding to the right to be verified information based on the received right to be verified information by using a hash encryption algorithm and a merck tree, and performs verification on the data block to obtain a final verification result.
As a further definition of the first aspect of the present invention, the material library includes: mapping, material and model; the category of the browser resource comprises: picture, audio, video, and 3D components.
As a further definition of the first aspect of the invention, the identification comprises: type, loading priority; the right determining information comprises: time stamp, material type, and material information.
The second aspect of the invention provides a 3D scene rendering system in a browser for blockchain original authentication.
A 3D scene rendering system in a browser for blockchain originality authentication, comprising:
the material classification module is configured to: separating the 3D scene to obtain a 3D scene frame and a material library, and dividing the material library according to the category of the browser resource to obtain a plurality of sub-classification materials;
a data stream generation module configured to: respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
a uplink authentication module configured to: carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
an information identification module configured to: if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
a render load module configured to: and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
As a further limitation of the second aspect of the present invention, the blockchain platform generates a data block corresponding to the right information to be verified based on the received right information by using a hash encryption algorithm and a merck tree, and performs verification on the data block to obtain a final verification result.
As a further definition of the second aspect of the present invention, the material library includes: mapping, material and model; the category of the browser resource comprises: picture, audio, video, and 3D components.
As a further definition of the second aspect of the invention, the identification comprises: type, loading priority; the right determining information comprises: time stamp, material type, and material information.
The third aspect of the invention provides a 3D scene rendering method in a browser of blockchain original authentication.
A3D scene rendering method in a browser of block chain original authentication comprises the following steps:
the method comprises the steps of obtaining a user-defined material library, and dividing the user-defined material library according to the category of browser resources to obtain a plurality of sub-classified materials;
respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
As a further definition of the third aspect of the present invention, the material library includes: mapping, material and model; the category of the browser resource comprises: picture, audio, video, and 3D components;
the identification comprises: type, loading priority; the right determining information comprises: time stamp, material type, and material information.
The fourth aspect of the invention provides a 3D scene rendering system in a browser for blockchain original authentication.
A 3D scene rendering system in a browser for blockchain originality authentication, comprising:
the material classification module is configured to: the method comprises the steps of obtaining a user-defined material library, and dividing the user-defined material library according to the category of browser resources to obtain a plurality of sub-classified materials;
a data stream generation module configured to: respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
a uplink authentication module configured to: carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
an information identification module configured to: if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
a render load module configured to: and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
As a further limitation of the fourth aspect of the present invention, the material library includes: mapping, material and model; the category of the browser resource comprises: picture, audio, video, and 3D components;
the identification comprises: type, loading priority; the right determining information comprises: time stamp, material type, and material information.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention creatively provides a 3D scene rendering strategy in the browser with the blockchain original authentication in the first aspect and the second aspect, realizes the non-homogeneous authentication and the right confirmation of the decomposed materials while realizing the efficient rendering of the larger 3D scene in the browser, ensures the priority of the original materials and improves the rendering efficiency.
2. The invention creatively provides a 3D scene rendering strategy in the browser with the blockchain original authentication in the third aspect and the fourth aspect, realizes the non-homogeneous authentication and the confirmation of the user-defined materials while realizing the efficient rendering of the larger 3D scene in the browser, ensures the priority of the original materials and improves the rendering efficiency.
Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a flow chart of a 3D scene rendering method in a browser for blockchain originality authentication provided in embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a 3D scene rendering system in a browser with blockchain original authentication provided in embodiment 2 of the present invention;
fig. 3 is a flow chart of a 3D scene rendering method in a browser for blockchain originality authentication provided in embodiment 3 of the present invention;
fig. 4 is a schematic diagram of a 3D scene rendering system in a browser with blockchain original authentication according to embodiment 4 of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Embodiments of the invention and features of the embodiments may be combined with each other without conflict.
Example 1:
in this embodiment, based on a blockchain non-homogeneous verification technology and a material asynchronous loading mechanism in a 3D scene, web3D scene rendering is realized, and specifically, a blockchain original authentication method for rendering a 3D scene in a browser is provided, as shown in fig. 1, including the following processes:
s101: and separating materials.
And separating the whole scene in the 3D scene and additional materials such as the map, the materials, the models and the like into a 3D scene frame and a material library by using a 3D editing tool.
S102: and (5) dividing resources.
And dividing the material library into materials such as pictures, audios, videos, 3d components and the like according to Web browser resources.
S103: and generating a loading resource library.
The material library extracted in S102 is identified according to the classification, mainly identified as type, loading priority, etc., and forms a loading resource library.
S104: and converting the secondary system data stream.
A binary data stream is acquired for the material in the loading repository generated in S103.
S105: and generating the right confirmation information.
And (3) carrying out hash function operation on the binary data stream of the material in the S104 by using an ERC721 hash mechanism, generating a unique token of the material, generating the right-determining information such as a time stamp, a material type, material information and the like, and uploading the right-determining information as a block chain information to the block chain node.
S106: and (5) identifying the right information.
And the blockchain platform performs token identification according to the material confirmation information uploaded in the step S105, and stores all the material related information.
In this embodiment, preferably, the blockchain platform includes 6 levels of an application layer, a contract layer, a consensus layer, a network layer, a data layer and a storage layer, and the main functions of each layer are as follows:
application layer: and the operation and corresponding functions of automatic driving full-chain test data right confirmation and transaction are realized.
Contract layer: the data right main body needs to register the identity, and after passing the identity verification rule, the data right main body performs right verification request access; for data transactions, mainly comprising: the transaction income distribution rule is used for distributing interests among various subjects after the data transaction of a plurality of ownership subjects, the transaction equity change rule is used for recording related equity after the data transaction is tested, and the realization of various rules of a contract layer depends on the blockchain intelligent contract technology, namely the digitalized version of the traditional contract deployed on a blockchain network, and when the execution condition of agreement clauses is met, the digitalized contract is automatically executed.
Consensus layer: the consensus layer mainly encapsulates network nodes and various consensus algorithms, and in this embodiment, a hash encryption algorithm and a merck tree are utilized to generate a data block corresponding to the right information to be determined, and a check is performed on the data block to obtain a final check result.
Network layer: the network layer is a corresponding block chain P2P network and is formed by connecting network nodes back and forth, and after a new block is generated, other nodes can receive notification and verify whether the new block is legal.
Data layer: the data layer mainly records data information in the block, and specifically includes:
a block header comprising five parts of version number, block height, parent block hash value, timestamp, merck root of the block, wherein version (Ver-version) records the version number of the tracking protocol update; the block height represents the position of the target block in the blockchain; the parent block hash (Previous BlockHash) records the hash value of the leading (parent) block in the chain; the time stamp (TimeStamp) records the creation time of the block, typically in Unix TimeStamp format; the merck Root (Merkle Root) records the total hash value of all information merck trees in the block.
The block body is used for dividing the data set to be determined into a plurality of sub-data sets with 1bit information quantity, so that a data platform in a data transaction link can conveniently extract data with specified information quantity according to the need, and the design can improve the downloading efficiency of the data; if a certain sub-data set is damaged in the transmission process, only the sub-data set is required to be downloaded again, and the complete data set is not required to be downloaded; finally, transaction information is recorded, historical transaction conditions of the test data are recorded, a merck tree is built by using information of all zone blocks, hash values are generated by using each piece of bottommost information based on a hash encryption algorithm in the form of a binary tree, each two hash values are continuously encrypted, a hash value with a higher level is generated, and finally a total hash value is generated, namely the merck root of the zone block.
And the storage layer is used for storing complete data content in the cloud end below the chain and storing information such as metadata and the like in the block on the chain so as to improve the efficiency of block chain induction verification.
In this embodiment, the blockchain platform generates a data block corresponding to the to-be-determined right information based on the received right-determining information by using a hash encryption algorithm and a merck tree, and performs verification on the data block to verify consistency of the hash value of the right-determining information and the data hash value in the block, so as to ensure a corresponding relationship between the right-determining information and the block record on the chain.
S107: and (5) identifying original materials.
According to the information returned in S106, if token (i.e. unique token) does not exist in the whole blockchain, marking as original material and defining as the highest loading priority; according to the information returned at S106, if a token exists throughout the blockchain, it is identified as non-original material and defined as the lowest loading priority.
S108:3D scene frame loading.
The WebGpu loading engine BabylonJs is introduced and the loading of the 3D scene frame is completed.
S109: and 3D scene material loading.
And S103, loading the materials in the loading resource library, and rendering the high-priority materials such as the map and the materials according to the loading priority of the material identification, and rendering the video and the large-scale materials, so that the real-time overall scene presentation is realized.
Through the steps, asynchronous loading of the 3D large scene and the materials in the scene is realized, and meanwhile, heterogeneous identification and right-confirming uplink are completed for the original materials in the scene.
Example 2:
as shown in fig. 2, embodiment 2 of the present invention provides a 3D scene rendering system in a browser for blockchain original authentication, including:
the material classification module is configured to: separating the 3D scene to obtain a 3D scene frame and a material library, and dividing the material library according to the category of the browser resource to obtain a plurality of sub-classification materials;
a data stream generation module configured to: respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
a uplink authentication module configured to: carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
an information identification module configured to: if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
a render load module configured to: and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
The working method of the system is the same as the 3D scene rendering method in the browser of the blockchain original authentication provided in embodiment 1, and will not be described here again.
Example 3:
in order to realize heterogeneous authentication and validation uplink processing of a user independently adding materials in a scene, as shown in fig. 3, the embodiment provides a 3D scene rendering method in a browser for block chain original authentication, which comprises the following steps:
w101: and generating a custom material library.
Identifying the materials added by the user through the Babylon Js engine, classifying according to the types of the materials, and generating a user-defined material library.
W102: and extracting binary data streams.
And extracting binary data streams from the custom material library generated by the W101 according to the material types.
W103: and generating the right confirmation information.
And carrying out hash function operation on the self-defined material binary data stream in the W102 by using an ERC721 hash mechanism, generating a material unique token, generating time stamp, material type, material information and other right-determining information, and uploading the right-determining information as a blockchain information to a blockchain node.
W104: and (5) identifying the right information.
The blockchain platform performs token identification according to the material confirmation information uploaded by the W104, and stores all the information related to the material, and the specific structure of the blockchain platform is described in embodiment 1, which is not described herein.
W105: and (5) identifying original materials.
According to the information returned by the W104, if the token does not exist in the whole blockchain, identifying the token as original material and defining the token as the highest loading priority; if token exists throughout the blockchain, then non-authored material is identified and defined as the lowest loading priority.
W106: and 3D scene rendering.
And adding and rendering in real time in the 3D scene by using a Babylon Js engine according to the loading priority to the custom material library generated by the W101.
The steps are completed to render the larger scene, identify the non-homogeneity of the materials in the scene and link the confirmation, and meanwhile, an asynchronous rendering mechanism is utilized to realize the efficient rendering of the scene and the materials in the scene.
Example 4:
as shown in fig. 4, embodiment 4 of the present invention provides a 3D scene rendering system in a browser for blockchain original authentication, including:
the material classification module is configured to: the method comprises the steps of obtaining a user-defined material library, and dividing the user-defined material library according to the category of browser resources to obtain a plurality of sub-classified materials;
a data stream generation module configured to: respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
a uplink authentication module configured to: carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
an information identification module configured to: if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
a render load module configured to: and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
The working method of the system is the same as the 3D scene rendering method in the browser of the blockchain original authentication provided in embodiment 3, and will not be described here again.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The 3D scene rendering method in the browser for the blockchain original authentication is characterized by comprising the following steps of:
separating the 3D scene to obtain a 3D scene frame and a material library, and dividing the material library according to the category of the browser resource to obtain a plurality of sub-classification materials;
respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
2. The method for rendering 3D scenes in a browser with blockchain originality authentication as in claim 1,
based on the received right information, the block chain platform generates a data block corresponding to the right information to be confirmed by utilizing a hash encryption algorithm and a merck tree, and performs verification on the data block to obtain a final verification result.
3. The method for rendering 3D scenes in a browser with blockchain originality authentication as in claim 1,
the material library comprises: mapping, material and model; the category of the browser resource comprises: picture, audio, video, and 3D components;
the identification comprises: type, loading priority; the right determining information comprises: time stamp, material type, and material information.
4. A 3D scene rendering system in a browser for blockchain originality authentication, comprising:
the material classification module is configured to: separating the 3D scene to obtain a 3D scene frame and a material library, and dividing the material library according to the category of the browser resource to obtain a plurality of sub-classification materials;
a data stream generation module configured to: respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
a uplink authentication module configured to: carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
an information identification module configured to: if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
a render load module configured to: and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
5. The blockchain in-browser 3D scene rendering system of claim 4, wherein,
based on the received right information, the block chain platform generates a data block corresponding to the right information to be confirmed by utilizing a hash encryption algorithm and a merck tree, and performs verification on the data block to obtain a final verification result.
6. The blockchain in-browser 3D scene rendering system of claim 4, wherein,
the material library comprises: mapping, material and model; the category of the browser resource comprises: picture, audio, video, and 3D components;
the identification comprises: type, loading priority; the right determining information comprises: time stamp, material type, and material information.
7. The 3D scene rendering method in the browser for the blockchain original authentication is characterized by comprising the following steps of:
the method comprises the steps of obtaining a user-defined material library, and dividing the user-defined material library according to the category of browser resources to obtain a plurality of sub-classified materials;
respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
8. The method for rendering 3D scenes in a browser with blockchain originality authentication as in claim 7,
the material library comprises: mapping, material and model; the category of the browser resource comprises: picture, audio, video, and 3D components;
the identification comprises: type, loading priority; the right determining information comprises: time stamp, material type, and material information.
9. A 3D scene rendering system in a browser for blockchain originality authentication, comprising:
the material classification module is configured to: the method comprises the steps of obtaining a user-defined material library, and dividing the user-defined material library according to the category of browser resources to obtain a plurality of sub-classified materials;
a data stream generation module configured to: respectively giving identifiers to the obtained sub-classified materials, generating a loading resource library, and obtaining binary data streams of the sub-classified materials in the loading resource library;
a uplink authentication module configured to: carrying out hash function operation on the binary data stream, generating a unique license plate number of the material, generating right-determining information, and uploading the right-determining information as block chain information to a block chain node so that the block chain platform can carry out identification of the unique license plate number according to the right-determining information;
an information identification module configured to: if the unique token number does not exist in the whole blockchain, the material corresponding to the unique token number is original material, and the unique token number is marked as original material and defined as the highest loading priority; otherwise, marking as non-original material and defining as the lowest loading priority;
a render load module configured to: and loading the 3D scene frame, and loading sequentially according to loading priorities in the sub-classification material identifications so that the 3D scene is rendered and presented in the browser.
10. The blockchain in-browser 3D scene rendering system of claim 9, wherein,
the material library comprises: mapping, material and model; the category of the browser resource comprises: picture, audio, video, and 3D components;
the identification comprises: type, loading priority; the right determining information comprises: time stamp, material type, and material information.
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