CN111104752A - Calculation method for VR police training simulated injury value - Google Patents
Calculation method for VR police training simulated injury value Download PDFInfo
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- CN111104752A CN111104752A CN201911360417.8A CN201911360417A CN111104752A CN 111104752 A CN111104752 A CN 111104752A CN 201911360417 A CN201911360417 A CN 201911360417A CN 111104752 A CN111104752 A CN 111104752A
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- 230000006378 damage Effects 0.000 title claims abstract description 123
- 208000027418 Wounds and injury Diseases 0.000 title claims abstract description 87
- 208000014674 injury Diseases 0.000 title claims abstract description 87
- 238000004364 calculation method Methods 0.000 title claims abstract description 30
- 238000013499 data model Methods 0.000 claims abstract description 19
- 230000007613 environmental effect Effects 0.000 claims abstract description 15
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims abstract description 4
- 230000007123 defense Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 231100000518 lethal Toxicity 0.000 claims description 10
- 230000001665 lethal effect Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000004422 calculation algorithm Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a calculation method of VR police training simulated injury values, which relates to the technical field of virtualization and comprises the following steps: establishing a simulated injury calculation medical human body model cloud database for storing a human bone data model and establishing a local database in a three-dimensional scene drawing construction virtual reality scene; comparing the collected model data of the hit target with the model data of a local database, and judging whether the type of the virtual simulation hit target is a humanoid target, a non-humanoid target or an environmental object is respectively brought into a damage value calculation formula to obtain a simulation damage value; the hit target is intelligently judged by constructing a medical human body database and a local database, different calculation conditions can be added into the hit target in a humanized mode to distinguish different body trunk positions of a human body in different medical human body models in the injury value calculation, various factors of a real environment are added, different weapons correspond to different injury values, and the accuracy of simulated injury value calculation is improved.
Description
Technical Field
The invention relates to the technical field of virtualization, in particular to a calculation method for VR police training simulated injury values.
Background
In the existing VR police service training system, the method for calculating the simulated injury value by the police service training is too hard to calculate the injury according to the stroke distance of a target object hit by the training, the injured value is not really intelligent, the object cannot be distinguished, the real mathematical model corresponding to the real medical human body model cannot output the really true value, the police service calculation simulation algorithm is used for judging and distinguishing human figures and non-human figures aiming at the hit target, judging whether the object is alive or not, marking and appointing a specific medical human body model part and a specific object, and adjusting the required value.
Disclosure of Invention
In order to solve the problems in the prior art, a large database is introduced to construct a medical human body database and a local database, hit targets are intelligently judged, in the process of calculating damage values, different scene environments are faced, the purpose-made hit targets can be distinguished from different body trunk positions of a human body in different medical human body models by humanizing different calculation conditions, various factors of real environments are added, the types of weapons used by personnel in the local database are calculated, the flexibility of using weapons in various aspects is improved, the algorithm is flexibly suitable for hitting other object types, and the accuracy of calculating simulated damage values is improved.
The invention specifically adopts the following technical scheme:
a calculation method for VR police training simulated injury values comprises the following steps:
s1: establishing a simulated injury calculation medical human body model cloud database for storing a human bone data model and establishing a local database in a three-dimensional scene drawing construction virtual reality scene;
s2: comparing the collected model data of the hit target with the model data of a local database to judge whether the type of the virtual simulation hit target is a humanoid target;
s3: when the hit target is judged to be humanoid, the human-shaped injury value calculation formula is adopted: calculating the humanoid injury value, namely the actual injury value of the weapon multiplied by the injury coefficient-injury offset value;
when the hit target is judged to be a non-humanoid, judging whether the hit target is a non-humanoid organism or an environmental object, if the hit target is a non-humanoid organism, calculating the damage value of the non-humanoid organism according to a formula: calculating the injury value of the non-human creature, wherein the injury value of the non-human creature is the actual injury value of the weapon multiplied by the injury coefficient-injury offset value;
when the hit target is judged to be an environmental object, the damage calculation formula of the environmental object is as follows: the damage value of the environmental object is the actual damage value multiplied by the damage coefficient;
and the actual damage value is the weapon basic damage value-distance attenuation damage value.
The method comprises the following steps that further, attack values and attenuation coefficients of various weapons are stored in a local database, and the attack values of the weapons are multiplied by the times of hitting targets by the weapons to obtain basic damage values of the weapons; and multiplying the attenuation coefficient of the weapon by the distance of the target hit by the weapon to obtain a distance attenuation injury value.
In a further aspect, the injury factor is determined based on the location at which the weapon hits a humanoid target or a non-human creature.
Further, the hit part can be a trunk part of a human or non-human organism or a lethal position, the hit trunk part and the hit lethal position have different injury coefficients, and the injury coefficient of the hit lethal position is much larger than that of the hit trunk part.
The human-shaped organisms and the non-human-shaped organisms correspond to defense value data and defense coefficient data, the defense value data and the defense coefficient data are stored in a local database, and the injury offset value is defense value x defense coefficient.
The human skeleton data model comprises an adult skeleton data model and a child adult skeleton data model, the injury coefficients of all parts of the adult trunk and the injury coefficients of all parts of the child trunk are obtained through the adult skeleton data model and the child adult skeleton data model, and the injury coefficients of the same parts of the adult and the child are different.
In a further aspect, the injury offset value may be added to a protection value and included in the injury value calculation, the protection value being determined by a protection class of a protective implement worn or worn on the human-shaped object.
Further, the environment objects comprise a destructible object and an indestructible object, the destructible object is provided with a corresponding destruction coefficient, and the destruction coefficient data is stored in the local database; the destructiveness factor of the indestructible object is zero.
The invention has the beneficial effects that:
by importing a big database, constructing a medical human body database and a local database, intelligently judging hit targets, facing different scene environments in the damage value calculation, a purpose-made hit target can be humanized with different calculation conditions to distinguish different body trunk positions of a human body in different medical human body models, adding multifaceted factors of a real environment, calculating the types of weapons used by personnel in the local database, increasing the flexibility of using multifaceted weapons, and the algorithm is flexibly suitable for hitting other object types, thereby increasing the more accuracy of calculating simulated damage values;
the invention enables the simulation calculation of the damage value to be more accurate by considering the weapon distance attenuation damage and bringing the calculation of the damage value into consideration.
Drawings
Fig. 1 is a flowchart of a method for calculating a VR police training simulated injury value according to an embodiment of the present invention;
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, an embodiment of the present invention discloses a method for calculating a VR police training simulated injury value, which includes the following steps:
s1: establishing a simulated injury calculation medical human body model cloud database for storing a human bone data model and establishing a local database in a three-dimensional scene drawing construction virtual reality scene;
s2: comparing the collected model data of the hit target with the model data of a local database to judge whether the type of the virtual simulation hit target is a humanoid target;
s3: when the hit target is judged to be humanoid, the human-shaped injury value calculation formula is adopted: calculating the humanoid injury value, namely the actual injury value of the weapon multiplied by the injury coefficient-injury offset value;
when the hit target is judged to be a non-humanoid, judging whether the hit target is a non-humanoid organism or an environmental object, if the hit target is a non-humanoid organism, calculating the damage value of the non-humanoid organism according to a formula: calculating the injury value of the non-human creature, wherein the injury value of the non-human creature is the actual injury value of the weapon multiplied by the injury coefficient-injury offset value; when the hit target is judged to be an environmental object, the damage calculation formula of the environmental object is as follows: the damage value of the environmental object is the actual damage value multiplied by the damage coefficient; actual damage value is weapon basis damage value-distance attenuation damage value.
Firstly, establishing a virtual scene, drawing a three-dimensional scene based on the real scene of the virtual scene, and constructing a local virtual model scene big database; then, establishing a physical model of the object in the scene; then, processing the three-dimensional model on the basis of drawing to obtain a high-definition image; finally, the establishment of the virtual scene is completed, the virtual scene can be operated on a computer, and a series of calculations for judging and triggering the operation triggering in the scene are carried out;
in the embodiment, the attack values and attenuation coefficients of various weapons are stored in the local database, and the attack values of the weapons are multiplied by the times of hitting the targets by the weapons to obtain the basic damage values of the weapons; the attenuation coefficient of the weapon is multiplied by the distance the weapon hits the target to obtain a distance attenuation injury value. Causing different weapons to produce different kill values.
In this embodiment, the injury factor is determined based on the weapon hitting a human-shaped target or a portion of a non-human living being.
In this embodiment, the hit part may be a trunk part of a human or non-human living being or a lethal position, the injury coefficient generated by hitting the trunk part is different from that generated by hitting the lethal position, and the injury coefficient of hitting the lethal position is much larger than that of hitting the trunk part. So that the injury caused by the trunk part and the lethal part hitting the humanoid target is different.
In this embodiment, the humanoid and the non-humanoid correspond to the defense value data and the defense coefficient data, both of which are stored in the local database, and the injury cancellation value is defense value × defense coefficient.
In this embodiment, the human skeleton data model includes an adult skeleton data model and a child adult skeleton data model, the injury coefficients of each part of the adult trunk and the injury coefficients of each part of the child trunk are obtained through the adult skeleton data model and the child adult skeleton data model, and the injury coefficients of the same part of the adult and the child are different.
In this embodiment, the injury offset value may be added to the protection value and included in the injury value calculation, and the protection value may be determined by the protection level of the protective equipment worn or worn on the human-shaped object. The injury offset can be increased by wearing or wearing protective gear.
In the embodiment, the environment objects comprise a destructible object and an indestructible object, the destructible object is provided with a corresponding destruction coefficient, and the destruction coefficient data is stored in the local database; the damage factor of a non-destructible object is zero. A distinction can be made between destructible environmental objects and non-destructible environmental objects.
Finally, only specific embodiments of the present invention have been described in detail above. The invention is not limited to the specific embodiments described above. Equivalent modifications and substitutions by those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.
Claims (8)
1. A calculation method of VR police training simulated injury values is characterized by comprising the following steps: the method comprises the following steps:
s1: establishing a simulated injury calculation medical human body model cloud database for storing a human bone data model and establishing a local database in a three-dimensional scene drawing construction virtual reality scene;
s2: comparing the collected model data of the hit target with the model data of a local database to judge whether the type of the virtual simulation hit target is a humanoid target;
s3: when the hit target is judged to be humanoid, the human-shaped injury value calculation formula is adopted: calculating the humanoid injury value, namely the actual injury value of the weapon multiplied by the injury coefficient-injury offset value;
when the hit target is judged to be non-humanoid, judging whether the hit target is a non-humanoid organism or an environmental object;
if the hit target is a non-humanoid creature, calculating the formula by the injury value of the non-humanoid creature: calculating the injury value of the non-human creature, wherein the injury value of the non-human creature is the actual injury value of the weapon multiplied by the injury coefficient-injury offset value;
when the hit target is judged to be an environmental object, the damage calculation formula of the environmental object is as follows: the damage value of the environmental object is the actual damage value multiplied by the damage coefficient;
and the actual damage value is the weapon basic damage value-distance attenuation damage value.
2. The method of claim 1, wherein the VR police training simulated injury value is calculated by:
the local database stores attack values and attenuation coefficients of various weapons, and the attack values of the weapons are multiplied by the times of hitting the targets by the weapons to obtain basic damage values of the weapons; and multiplying the attenuation coefficient of the weapon by the distance of the target hit by the weapon to obtain a distance attenuation injury value.
3. The method of claim 1, wherein the VR police training simulated injury value is calculated by:
the injury factor is determined based on the location at which the weapon hits a humanoid target or non-human creature.
4. The method of claim 3, wherein the VR police training simulated injury value is calculated by:
the hit part can be a human-shaped or non-human biological trunk part or a lethal position, the hit trunk part and the hit lethal position have different injury coefficients, and the injury coefficient of the hit lethal position is far greater than that of the hit trunk part.
5. The method of claim 1, wherein the VR police training simulated injury value is calculated by:
the humanoid and non-humanoid organisms correspond to defense value data and defense coefficient data, the defense value data and the defense coefficient data are stored in a local database, and the injury offset value is defense value multiplied by defense coefficient.
6. The method of claim 1, wherein the VR police training simulated injury value is calculated by:
the human skeleton data model comprises an adult skeleton data model and a child adult skeleton data model, the injury coefficients of all parts of the adult trunk and the injury coefficients of all parts of the child trunk are obtained through the adult skeleton data model and the child adult skeleton data model, and the injury coefficients of the same part of the adult and the child are different.
7. The method of calculating the VR police training simulated injury value of any of claims 1-6, wherein:
the injury offset value may be added to a protection value and included in the injury value calculation, the protection value being determined by a protection rating of a protective implement worn or worn on the human-shaped object.
8. The method of claim 1, wherein the VR police training simulated injury value is calculated by:
the environment objects comprise destructible objects and non-destructible objects, the destructible objects are provided with corresponding destruction coefficients, and the destruction coefficient data are stored in the local database; the destructiveness factor of the indestructible object is zero.
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Cited By (1)
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| CN114272597A (en) * | 2021-12-24 | 2022-04-05 | 河北奇胜创新智能技术有限公司 | Virtual reality training method, device, equipment, system and computer storage medium |
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