CN107422848B - Method and system for testing acceleration value of virtual character - Google Patents
Method and system for testing acceleration value of virtual character Download PDFInfo
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- CN107422848B CN107422848B CN201710457575.XA CN201710457575A CN107422848B CN 107422848 B CN107422848 B CN 107422848B CN 201710457575 A CN201710457575 A CN 201710457575A CN 107422848 B CN107422848 B CN 107422848B
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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Abstract
The invention executes the preset simulation script; the simulation script can simulate the real user to continuously move towards the same direction; acquiring a frame rate corresponding to a first image displayed by display equipment to obtain an initial frame rate; monitoring the frame rate corresponding to each frame of image displayed by the display equipment in real time, and if the frame rate corresponding to the second image displayed by the display equipment is the same as the frame rate corresponding to the previous frame of image of the second image, then: acquiring a frame rate corresponding to the second image to obtain a maximum frame rate; counting the time interval from the display of the first image by the display equipment to the display of the previous frame of image of the second image to obtain the frame rate change duration; calculating the change rate of the frame rate according to the initial frame rate, the maximum frame rate and the change duration of the frame rate; and marking the change rate of the frame rate as the acceleration value of the virtual character moving in the virtual scene. The method realizes the accurate test of the maximum acceleration value of the virtual character moving in the virtual scene under the condition of no virtual reality software source code.
Description
Technical Field
The invention relates to the field of testing, in particular to a method and a system for testing an acceleration value of a virtual character.
Background
With the development of virtual reality technology, more and more virtual reality software appears in people's lives. As virtual reality software, immersion has been the core of the user experience. There are many factors that affect the user's immersion. Among them, accelerated movement of the virtual character caused by the user's motion is a main cause of inconsistency between the user's vision, vestibular sensation and proprioception, which causes the motion sickness phenomenon to occur to the user. Therefore, whether the maximum acceleration value of the virtual character caused by the action of the user in the virtual scene exceeds a specific threshold value or not is tested in the virtual reality software testing stage, so that the software quality is improved, and the user experience is improved.
However, only when the tester performs the white-box test, the tester can obtain the acceleration data of the virtual character moving in the virtual scene by calling the interface, and most enterprises cannot provide the source code of the tester software, so that the tester cannot accurately know the maximum acceleration value which can be reached by the virtual character moving in the virtual scene.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to improve the accuracy of the maximum acceleration value which can be reached by the movement of the test virtual character in the virtual scene under the condition of no virtual reality software source code.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention provides a method for testing an acceleration value of a virtual character, which comprises the following steps:
s1, executing a preset simulation script; the simulation script can simulate the real user to continuously move towards the same direction;
s2, obtaining a frame rate corresponding to the first image displayed by the display equipment to obtain an initial frame rate;
s3, monitoring the frame rate corresponding to each frame of image displayed by the display device in real time, and if the frame rate corresponding to the second image displayed by the display device is the same as the frame rate corresponding to the previous frame of image of the second image, then:
s4, acquiring a frame rate corresponding to the second image to obtain a maximum frame rate;
s5, counting the time interval from the display of the first image to the display of the previous frame of image of the second image by the display equipment to obtain the frame rate change duration;
s6, calculating the change rate of the frame rate according to the initial frame rate, the maximum frame rate and the frame rate change duration;
and S7, marking the change rate of the frame rate as the acceleration value of the virtual character moving in the virtual scene.
The invention also provides a system for testing the acceleration value of the virtual character, which comprises the following components:
the execution module is used for executing a preset simulation script; the simulation script can simulate the real user to continuously move towards the same direction;
the acquisition module is used for acquiring a frame rate corresponding to a first image displayed by the display equipment to obtain an initial frame rate;
the monitoring module is used for monitoring the frame rate corresponding to each frame of image displayed by the display equipment in real time, and if the frame rate corresponding to a second image displayed by the display equipment is the same as the frame rate corresponding to a previous frame of image of the second image, acquiring the frame rate corresponding to the second image to obtain the maximum frame rate; counting the time interval from the display of the first image by the display equipment to the display of the previous frame of image of the second image to obtain the frame rate change duration; calculating the change rate of the frame rate according to the initial frame rate, the maximum frame rate and the change duration of the frame rate;
and the marking module is used for marking the change rate of the frame rate as the moving acceleration value of the virtual character in the virtual scene.
The invention has the beneficial effects that: according to the invention, the simulation script simulates that a real user wears virtual reality equipment to continuously move towards the same direction, so that the mode of the virtual character triggered by the simulation script moving in a virtual scene can only be a continuous acceleration mode; in order to enable a user to perceive the change of the movement speed of the virtual character in the virtual scene in the presence of the user, the display equipment updates the image frame corresponding to the virtual scene at an increasing frame rate; therefore, the frame rate of each frame of image displayed by the display equipment is monitored in real time in the virtual character moving process, so that the moment when the frame rate reaches the maximum value can be accurately obtained, and the maximum change rate of the frame rate of the image displayed by the display equipment, which can be caused by the movement of the virtual character in the virtual scene, can be accurately calculated, namely the maximum acceleration value of the movement of the virtual character in the virtual scene; under the condition of passive codes, the maximum acceleration value which can be reached by the movement of the virtual character triggered by the action of the user in the virtual scene is obtained through accurate testing.
Drawings
FIG. 1 is a block flow diagram of an embodiment of a method for testing acceleration values of a virtual character according to the present invention;
FIG. 2 is a block diagram of a system for testing acceleration values of virtual characters according to an embodiment of the present invention;
FIG. 3 is a block diagram of a further embodiment of a system for testing acceleration values of a virtual character in accordance with the present invention;
description of reference numerals:
1. an execution module; 2. an acquisition module; 3. a monitoring module; 31. a first acquisition unit; 32. a second acquisition unit; 33. a counting unit; 34. a calculation unit; 35. a division operation unit; 4. a marking module;
5. a comparison module; 6. a first generation module; 7. an acquisition module; 8. and a second generation module.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3 of the drawings,
as shown in fig. 1, the present invention provides a method for testing an acceleration value of a virtual character, comprising the following steps:
s1, executing a preset simulation script; the simulation script can simulate the real user to continuously move towards the same direction;
s2, obtaining a frame rate corresponding to the first image displayed by the display equipment to obtain an initial frame rate;
s3, monitoring the frame rate corresponding to each frame of image displayed by the display device in real time, and if the frame rate corresponding to the second image displayed by the display device is the same as the frame rate corresponding to the previous frame of image of the second image, then:
s4, acquiring a frame rate corresponding to the second image to obtain a maximum frame rate;
s5, counting the time interval from the display of the first image to the display of the previous frame of image of the second image by the display equipment to obtain the frame rate change duration;
s6, calculating the change rate of the frame rate according to the initial frame rate, the maximum frame rate and the frame rate change duration;
and S7, marking the change rate of the frame rate as the acceleration value of the virtual character moving in the virtual scene.
Further, still include:
comparing the acceleration value with a preset acceleration threshold value to obtain a comparison result;
and generating a test report according to the comparison result.
As can be seen from the above description, the test report may reflect whether the user may have motion sickness when using the virtual reality software under test.
Further, still include:
acquiring data generated by a space locator in virtual reality equipment in real time in the process that a real user continuously moves towards the same direction to obtain a position information set;
and generating the preset simulation script according to the position information set.
According to the description, the simulation script is made according to the collected data generated by the action behavior of the real user, and the accuracy of the test result is improved.
Further, the S5 specifically includes:
acquiring the time interval from the beginning of displaying to the disappearance of each frame of image on the display equipment to obtain an image display duration set;
acquiring a time interval from the disappearance of each frame of image on the display equipment to the display start of the next frame of image on the display equipment to obtain an image data calling duration set;
and counting the time interval from the display of the first image to the display of the previous frame of image of the second image by the display equipment according to the image display duration set and the image data calling duration set to obtain the frame rate change duration.
According to the description, the image real time length set and the image data calling time length set can be obtained without the source code of the tested virtual reality software, so that the maximum acceleration value which can be reached by the movement of the virtual character in the virtual scene can be accurately tested under the condition of a passive code.
Further, the S6 specifically includes:
calculating a difference value between the maximum frame rate and the initial frame rate to obtain a frame rate variation;
and dividing the frame rate variation by the frame rate variation duration to obtain the frame rate variation rate.
As shown in fig. 2, the present invention further provides a system for testing acceleration values of a virtual character, comprising:
the execution module 1 is used for executing a preset simulation script; the simulation script can simulate the real user to continuously move towards the same direction;
the acquisition module 2 is configured to acquire a frame rate corresponding to a first image displayed by a display device, and obtain an initial frame rate;
the monitoring module 3 is configured to monitor, in real time, a frame rate corresponding to each frame of image displayed by the display device, and if a frame rate corresponding to a second image displayed by the display device is the same as a frame rate corresponding to a previous frame of image of the second image, obtain a frame rate corresponding to the second image, and obtain a maximum frame rate; counting the time interval from the display of the first image by the display equipment to the display of the previous frame of image of the second image to obtain the frame rate change duration; calculating the change rate of the frame rate according to the initial frame rate, the maximum frame rate and the change duration of the frame rate;
and the marking module 4 is used for marking the change rate of the frame rate as the moving acceleration value of the virtual character in the virtual scene.
Further, still include:
the comparison module 5 is used for comparing the acceleration value with a preset acceleration threshold value to obtain a comparison result;
and the first generating module 6 is used for generating a test report according to the comparison result.
Further, still include:
the acquisition module 7 is used for acquiring data generated by a space locator in virtual reality equipment in real time in the process that a real user continuously moves towards the same direction to obtain a position information set;
and a second generating module 8, configured to generate the preset simulation script according to the position information set.
Further, the monitoring module 3 includes:
the first obtaining unit 31 is configured to obtain a time interval from display start to disappearance of each frame of image on the display device, so as to obtain an image display duration set;
the second obtaining unit 32 is configured to obtain a time interval from disappearance of each frame of image on the display device to display of a subsequent frame of image on the display device, so as to obtain an image data calling duration set;
and a counting unit 33, configured to count, according to the image display duration set and the image data call duration set, a time interval from displaying the first image to displaying a previous frame image of the second image by a display device, so as to obtain a frame rate change duration.
Further, the monitoring module 3 further includes:
a calculating unit 34, configured to calculate a difference between the maximum frame rate and the initial frame rate to obtain a frame rate variation;
and a division operation unit 35, configured to divide the frame rate variation by the frame rate variation duration to obtain a frame rate variation rate.
The first embodiment of the invention is as follows:
the embodiment provides a method for testing an acceleration value of a virtual character, which comprises the following steps:
s1, acquiring data generated by a space locator in virtual reality equipment in real time in the process that a real user continuously moves towards the same direction to obtain a position information set; generating the preset simulation script according to the position information set;
the data generated by the space locator comprises input data of a Horizontal axis and input data of a Vertical axis, and the data defines the displacement of the virtual character in the three-dimensional space of the virtual scene;
s2, executing a preset simulation script; the simulation script can simulate the real user to continuously move towards the same direction;
the mechanism for controlling the virtual character to move in the virtual scene by the user is that when the user continuously moves towards the same direction, the virtual character is in an acceleration state, and the movement speed of the virtual character is gradually reduced until the user stops moving, so that the mode of the virtual character moving in the virtual scene triggered by executing the simulation script can only be a continuous acceleration mode, and under the continuous acceleration mode, the maximum acceleration value which can be reached by the virtual character moving in the virtual scene can be favorably measured;
s3, obtaining a frame rate corresponding to the first image displayed by the display equipment to obtain an initial frame rate;
s4, monitoring the frame rate corresponding to each frame of image displayed by the display device in real time, and if the frame rate corresponding to the second image displayed by the display device is the same as the frame rate corresponding to the previous frame of image of the second image, then:
s5, acquiring a frame rate corresponding to the second image to obtain a maximum frame rate;
s6, counting the time interval from the display of the first image to the display of the previous frame of image of the second image by the display equipment to obtain the frame rate change duration; the method specifically comprises the following steps:
s61, acquiring the time interval from the beginning of display to the disappearance of each frame of image on the display equipment to obtain an image display duration set;
s62, acquiring the time interval from the disappearance of each frame of image on the display equipment to the display start of the next frame of image on the display equipment to obtain an image data calling duration set;
s63, counting the time interval from the display of the first image to the display of the previous frame of image of the second image by the display device according to the image display duration set and the image data calling duration set to obtain the frame rate change duration;
s7, calculating the change rate of the frame rate according to the initial frame rate, the maximum frame rate and the frame rate change duration; the method specifically comprises the following steps:
s71, calculating the difference value between the maximum frame rate and the initial frame rate to obtain the frame rate variation;
s72, dividing the frame rate variation by the frame rate variation duration to obtain the frame rate variation rate;
the time reaching the maximum frame rate can be accurately positioned by monitoring the frame rate corresponding to each frame image displayed by the display equipment in real time, so that the accuracy of calculating the change rate of the frame rate is improved;
s8, marking the change rate of the frame rate as the moving acceleration value of the virtual character in the virtual scene;
s9, comparing the acceleration value with a preset acceleration threshold value to obtain a comparison result; generating a test report according to the comparison result;
wherein, as known from the paper "jerk (time change rate of acceleration) -impact, riding comfort, and relaxation curve" in 3 rd year 2001 of physics and engineering, when the acceleration value of the virtual character moving in the virtual scene exceeds 1.8m × s-2In time, the user is prone to motion sickness, and therefore, if the maximum acceleration value which can be reached by the tested virtual character in the virtual scene is greater than 1.8m s-2And in time, the test result of the tested virtual reality software is unqualified.
As shown in fig. 3, the second embodiment of the present invention is:
the embodiment provides a system for testing acceleration values of virtual characters, which comprises:
the acquisition module 7 acquires data generated by a space locator in virtual reality equipment in real time in the process that a real user continuously moves towards the same direction to obtain a position information set; the second generation module 8 generates a simulation script according to the position information set; the execution module 1 executes the simulation script; the simulation script can simulate the real user to continuously move towards the same direction;
the obtaining module 2 obtains a frame rate corresponding to a first image displayed by the display device to obtain an initial frame rate; the monitoring module 3 monitors the frame rate corresponding to each frame of image displayed by the display device in real time, and if the frame rate corresponding to the second image displayed by the display device is the same as the frame rate corresponding to the previous frame of image of the second image, the frame rate corresponding to the second image is obtained to obtain the maximum frame rate; counting the time interval from the display of the first image by the display equipment to the display of the previous frame of image of the second image to obtain the frame rate change duration; calculating the change rate of the frame rate according to the initial frame rate, the maximum frame rate and the change duration of the frame rate;
the marking module 4 marks the change rate of the frame rate as an acceleration value of the virtual character moving in the virtual scene; the comparison module 5 compares the acceleration value with a preset acceleration threshold value to obtain a comparison result; the first generation module 6 generates a test report according to the comparison result;
wherein the monitoring module 3 comprises:
the first obtaining unit 31 obtains a time interval from the beginning of displaying to the disappearance of each frame of image on the display device, and obtains an image display duration set; the second obtaining unit 32 obtains a time interval from disappearance of each frame of image on the display device to display of a subsequent frame of image on the display device, and obtains an image data calling duration set; the counting unit 33 counts a time interval from the display of the first image by the display device to the display of the previous image of the second image according to the image display duration set and the image data calling duration set, so as to obtain a frame rate change duration;
the calculating unit 34 calculates a difference between the maximum frame rate and the initial frame rate to obtain a frame rate variation; the division unit 35 divides the frame rate variation by the frame rate variation duration to obtain the frame rate variation rate.
In summary, according to the method and system for testing the acceleration value of the virtual character provided by the invention, the simulation script simulates that a real user wears virtual reality equipment to move continuously in the same direction, so that the mode of the virtual character triggered by the simulation script moving in a virtual scene can only be a continuous acceleration mode; in order to enable a user to perceive the change of the movement speed of the virtual character in the virtual scene in the presence of the user, the display equipment updates the image frame corresponding to the virtual scene at an increasing frame rate; therefore, the frame rate of each frame of image displayed by the display equipment is monitored in real time in the virtual character moving process, so that the moment when the frame rate reaches the maximum value can be accurately obtained, and the maximum change rate of the frame rate of the image displayed by the display equipment, which can be caused by the movement of the virtual character in the virtual scene, can be accurately calculated, namely the maximum acceleration value of the movement of the virtual character in the virtual scene; under the condition of passive codes, the maximum acceleration value which can be reached by the movement of the virtual character triggered by the action of the user in the virtual scene is obtained through accurate testing.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method of testing acceleration values of a virtual character, comprising the steps of:
s1, executing a preset simulation script; the simulation script can simulate the real user to continuously move towards the same direction;
s2, obtaining a frame rate corresponding to the first image displayed by the display equipment to obtain an initial frame rate;
s3, monitoring the frame rate corresponding to each frame of image displayed by the display device in real time, and if the frame rate corresponding to the second image displayed by the display device is the same as the frame rate corresponding to the previous frame of image of the second image, then:
s4, acquiring a frame rate corresponding to the second image to obtain a maximum frame rate;
s5, counting the time interval from the display of the first image to the display of the previous frame of image of the second image by the display equipment to obtain the frame rate change duration;
s6, calculating the change rate of the frame rate according to the initial frame rate, the maximum frame rate and the frame rate change duration;
and S7, marking the change rate of the frame rate as the acceleration value of the virtual character moving in the virtual scene.
2. The method for testing acceleration values of a virtual character of claim 1, further comprising:
comparing the acceleration value with a preset acceleration threshold value to obtain a comparison result;
and generating a test report according to the comparison result.
3. The method for testing acceleration values of a virtual character of claim 1, further comprising:
acquiring data generated by a space locator in virtual reality equipment in real time in the process that a real user continuously moves towards the same direction to obtain a position information set;
and generating the preset simulation script according to the position information set.
4. The method for testing the acceleration value of the virtual character according to claim 1, wherein the step S5 is specifically as follows:
acquiring the time interval from the beginning of displaying to the disappearance of each frame of image on the display equipment to obtain an image display duration set;
acquiring a time interval from the disappearance of each frame of image on the display equipment to the display start of the next frame of image on the display equipment to obtain an image data calling duration set;
and counting the time interval from the display of the first image to the display of the previous frame of image of the second image by the display equipment according to the image display duration set and the image data calling duration set to obtain the frame rate change duration.
5. The method for testing the acceleration value of the virtual character according to claim 1, wherein the step S6 is specifically as follows:
calculating a difference value between the maximum frame rate and the initial frame rate to obtain a frame rate variation;
and dividing the frame rate variation by the frame rate variation duration to obtain the frame rate variation rate.
6. A system for testing acceleration values of a virtual character, comprising:
the execution module is used for executing a preset simulation script; the simulation script can simulate the real user to continuously move towards the same direction;
the acquisition module is used for acquiring a frame rate corresponding to a first image displayed by the display equipment to obtain an initial frame rate;
the monitoring module is used for monitoring the frame rate corresponding to each frame of image displayed by the display equipment in real time, and if the frame rate corresponding to a second image displayed by the display equipment is the same as the frame rate corresponding to a previous frame of image of the second image, acquiring the frame rate corresponding to the second image to obtain the maximum frame rate; counting the time interval from the display of the first image by the display equipment to the display of the previous frame of image of the second image to obtain the frame rate change duration; calculating the change rate of the frame rate according to the initial frame rate, the maximum frame rate and the change duration of the frame rate;
and the marking module is used for marking the change rate of the frame rate as the moving acceleration value of the virtual character in the virtual scene.
7. The system for testing virtual character acceleration values according to claim 6, characterized by further comprising:
the comparison module is used for comparing the acceleration value with a preset acceleration threshold value to obtain a comparison result;
and the first generation module is used for generating a test report according to the comparison result.
8. The system for testing virtual character acceleration values according to claim 6, characterized by further comprising:
the acquisition module is used for acquiring data generated by a space locator in virtual reality equipment in real time in the process that a real user continuously moves towards the same direction to obtain a position information set;
and the second generation module is used for generating the preset simulation script according to the position information set.
9. The system for testing virtual character acceleration values according to claim 6, wherein said monitoring module comprises:
the first acquisition unit is used for acquiring the time interval from the beginning of display to the disappearance of each frame of image on the display equipment to obtain an image display duration set;
the second acquisition unit is used for acquiring the time interval from the disappearance of each frame of image on the display equipment to the display start of the next frame of image on the display equipment to obtain an image data calling duration set;
and the counting unit is used for counting the time interval from the display of the first image to the display of the previous frame image of the second image by the display equipment according to the image display duration set and the image data calling duration set to obtain the frame rate change duration.
10. The system for testing virtual character acceleration values according to claim 6, wherein said monitoring module further comprises:
the calculating unit is used for calculating the difference value between the maximum frame rate and the initial frame rate to obtain the frame rate variation;
and the division operation unit is used for dividing the frame rate variation by the frame rate variation duration to obtain the frame rate variation rate.
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