WO2018166470A1 - Procédé d'affichage d'animation sur la base d'un débit de trames et dispositif terminal - Google Patents

Procédé d'affichage d'animation sur la base d'un débit de trames et dispositif terminal Download PDF

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Publication number
WO2018166470A1
WO2018166470A1 PCT/CN2018/078976 CN2018078976W WO2018166470A1 WO 2018166470 A1 WO2018166470 A1 WO 2018166470A1 CN 2018078976 W CN2018078976 W CN 2018078976W WO 2018166470 A1 WO2018166470 A1 WO 2018166470A1
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Prior art keywords
offset
current
frame rate
normal
frame
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PCT/CN2018/078976
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English (en)
Chinese (zh)
Inventor
陈翔
唐斌
潘杰茂
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腾讯科技（深圳）有限公司
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Publication of WO2018166470A1 publication Critical patent/WO2018166470A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T13/00—Animation
    • G06T13/80—2D [Two Dimensional] animation, e.g. using sprites
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/50—Controlling the output signals based on the game progress
    • A63F13/52—Controlling the output signals based on the game progress involving aspects of the displayed game scene
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H04M1/72439—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging

Definitions

  • the present application relates to the field of information processing technologies, and in particular, to a frame rate-based animation display method and a terminal device.
  • H5 Hypertext Markup Language Version 5, HTML5
  • HTML5 Hypertext Markup Language Version 5
  • the frame rate is 60 frames per second
  • the loop operation rate following the frame rate is 60 times per second.
  • Each frame is a rendering of the result of a loop operation, which is a still image.
  • the frame is formed by displaying the frame in rapid succession, so that the animation effect is achieved by cyclically drawing the image of each frame. High frame rates for smoother, more realistic animations. And if the frame rate drops, the number of corresponding loop operations will also decrease.
  • the embodiment of the present application provides a frame rate-based animation display method and a terminal device, which dynamically determine a current offset of a loop operation in each frame of an animation page according to a current frame rate of the animation page.
  • An embodiment of the present application provides a frame rate-based animation display method, including:
  • a current offset of an operation relative to a previous frame in the current frame to be displayed such that the animation calculated according to the current offset
  • the total offset per second of the operation in the page is the product of the normal frame rate and the normal offset, or a fixed value; wherein the normal frame rate is the frame when the animation page is not lost. Rate, the normal offset is an offset of the operation of the current frame relative to a previous frame when the animation page is not lost, and a certain fixed value is the normal frame rate and the normal offset
  • the embodiment of the present application further provides a terminal device, including: a processor and a memory, where the computer stores computer readable instructions, where the computer readable instructions are executed by the processor to complete the following operations:
  • a current offset of an operation relative to a previous frame in the current frame to be displayed such that the animation calculated according to the current offset
  • the total offset per second of the operation in the page is the product of the normal frame rate and the normal offset, or a fixed value; wherein the normal frame rate is the frame when the animation page is not lost. Rate, the normal offset is an offset of the operation of the current frame relative to a previous frame when the animation page is not lost, and a certain fixed value is the normal frame rate and the normal offset
  • the embodiment of the present application provides a frame rate-based animation display method, which is applied to a terminal device, and the method includes:
  • a current offset of an operation relative to a previous frame in the current frame to be displayed such that the animation calculated according to the current offset
  • the total offset per second of the operation in the page is the product of the normal frame rate and the normal offset, or a fixed value; wherein the normal frame rate is the frame when the animation page is not lost. Rate, the normal offset is an offset of the operation of the current frame relative to a previous frame when the animation page is not lost, and a certain fixed value is the normal frame rate and the normal offset
  • a non-volatile storage medium having stored therein computer readable instructions executable by a processor to perform the following operations:
  • a current offset of an operation relative to a previous frame in the current frame to be displayed such that the animation calculated according to the current offset
  • the total offset per second of the operation in the page is the product of the normal frame rate and the normal offset, or a fixed value; wherein the normal frame rate is the frame when the animation page is not lost. Rate, the normal offset is an offset of the operation of the current frame relative to a previous frame when the animation page is not lost, and a certain fixed value is the normal frame rate and the normal offset
  • FIG. 1 is a schematic diagram of an implementation environment provided by an embodiment of the present application.
  • FIG. 2A is a flowchart of a frame rate-based animation display method provided by an embodiment of the present application
  • 2B is a flowchart of another frame rate-based animation display method provided by an embodiment of the present application.
  • FIG. 3 is a flowchart of a frame rate-based animation display method provided in an application embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another terminal device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of still another terminal device according to an embodiment of the present application.
  • the refresh rate of the display of the terminal device is 60 times per second, which matches the frame rate of the game animation.
  • the terminal device moves the position of the animated image by a certain distance in a certain direction, for example, 1 pixel (px).
  • px 1 pixel
  • the position of the image that is refreshed each time the display is different from the previous image position by 1px, people will see the image moving. Due to the visual pause effect of the human eye, the impression of the image at the current position staying in the brain has not disappeared, and then the image is moved to the next position, so that the image is seen to move smoothly.
  • Frame loss generally refers to the phenomenon that the frame is slowed down (or short time or long time) due to insufficient hardware to load the dynamic display refresh rate of the display screen. Loss of frame in the game is the process of playing the game, the card appears this situation, the image is not refreshed in time, the picture is sticky.
  • the method of periodically calling the function to perform the loop operation is generally adopted, so that the number of loop operations for calling the related function is fixed at about 30 times per second.
  • the function called is, for example, a function that moves the background of the game, a function that adjusts the amount of blood in the game, and the like.
  • the number of loop operations is small, the number of page refreshes is small, and the problem of slow game execution may occur.
  • the embodiment of the present application provides a frame rate based animation display method and apparatus.
  • the terminal device calculates the current frame rate of the animated page in real time, and determines the cyclic operation of the current frame to be displayed according to the product of the preset normal frame rate and the normal offset and the current frame rate.
  • a current offset wherein a total offset per second of the loop operation in the animation page calculated according to the current offset is a product of the normal frame rate and a normal offset, or a fixed value, and Presents the current frame based on the current offset.
  • the current offset of the loop operation that depends on the frame rate can be dynamically determined, so that the rate of the loop operation in the animation page remains unchanged, and It decreases due to the decrease of the frame rate, thus ensuring the execution speed of the game, smoothly presenting the game screen, and avoiding the phenomenon of the animation being stuck.
  • the present application automatically calculates the offset that should be cyclically operated according to the frame rate in real time, the hardware performance of the terminal device can be better utilized to adapt to various terminal devices.
  • FIG. 1 is a schematic diagram of an implementation environment provided by an embodiment of the present application.
  • the implementation environment includes a terminal device 10 and a server 20 that provides services to the terminal device.
  • the terminal device 10 is connected to the server 20 via a wireless or wired network.
  • the terminal device 10 can be an electronic device capable of accessing the server 20, and can be, for example, a computer, a smart phone, a tablet, or other electronic device.
  • Server 20 can be one or more web servers, application servers, or a cloud storage center. The user can click on the corresponding game module in the application client on the terminal device 10 to request the server to run the corresponding game, such as the H5 page game program.
  • the server After receiving the request from the application client, the server issues all data for running the game to the application client, and the game is run by the application client.
  • the application client is, for example, an instant messaging client or a game client.
  • a frame rate based animation display device 11 and a memory 12 for storing various data required to run the game are included in the terminal device 10.
  • FIG. 2A is a flowchart of a frame rate based animation display method provided by an embodiment of the present application.
  • the frame rate-based animation display method therein can be performed by a terminal device (such as a game terminal or the like) that supports frame rate-based animation. As shown in FIG. 2A, the method includes:
  • Step 101 Calculate a current frame rate of the animated page, that is, a number of frames of the animated page per second.
  • the terminal device When displaying a frame rate-based animated page, the terminal device needs to make each frame of the animated page and then display the generated animated page.
  • the frame rate of an animated page is fixed, that is, the number of frames of an animated page displayed by the terminal device per second is the same, for example, 60 frames per second.
  • the frame rate is dynamically changed.
  • the current frame rate of the animated page needs to be calculated in real time.
  • the number of frames is the amount of pictures transferred in one second. It can also be understood that the processor can be refreshed several times per second, usually expressed in fps (Frames Per Second).
  • the method in this embodiment may be a process in which the terminal device is triggered by a fixed period, and the fixed period is, for example, 16 milliseconds; or the process triggered by the terminal device when the lost frame of the animation page is detected.
  • the terminal device detects that the number of frames of the animated page displayed per second is relatively large, it may be determined that the animation page of the terminal device is out of frame.
  • the terminal device can record the current time point when it starts generating each frame of the animation page.
  • a preset threshold for example, 16 milliseconds
  • Step 102 Determine, according to a product of a normal frame rate and a normal offset, and a current frame rate calculated in the foregoing step 101, a current offset of an operation in the current frame to be displayed relative to a previous frame, so that the current offset is determined according to the current offset.
  • the total offset per second of the operation in the animation page obtained by the shift calculation is the product of the above normal frame rate and the normal offset, or a fixed value.
  • the normal frame rate is the frame rate when the animation page is not lost.
  • the normal offset is the offset of the operation of the current frame relative to the previous frame when the animation page is not lost.
  • a fixed value is The difference between the above-mentioned product of the normal frame rate and the normal offset is a value within a preset range.
  • the normal frame rate and the normal offset may be preset by the user in the terminal device, or may be calculated by the terminal device and stored in the terminal device when the animation page has not lost frames.
  • the operation here can be called a loop operation, which refers to the same operation in each frame of the animation page, such as the operation of the background moving forward in the game screen. For example, when the terminal device draws each frame of the animated page, it executes a requestAnimationFrame function (or method).
  • this requestAnimationFrame function a function that performs specific business processing in each frame of the animation page. Execute these functions for the appropriate business processing. For example, it includes updating the map function to update the map in the game; updating the menu function to update the menu display in the game; collision detection function to detect whether there is a collision; the stage update function, updating the stage in the game, and the like.
  • the loop execution of these functions in each frame of the animation page is a loop operation.
  • each frame will have an offset from the previous frame.
  • the Stage Update function might update the position of the Stage, moving the Stage backwards by a certain amount of offset, which will make the characters in the animation appear dynamic relative to the Stage.
  • the offset of the loop operation in each frame of the animation page is also fixed, so that the number of loop operations in the animation page displayed by the terminal device per second is also fixed, for example, 60 times per second.
  • the animation page is out of frame, in order to make the rate of the loop operation unchanged, in this embodiment, it is required to determine the corresponding current offset according to the current frame rate in real time, so that the generated animation page is calculated according to the current offset.
  • the total offset per second of the loop operation is unchanged, such as the total offset per second of the loop operation in the animation page under normal conditions (that is, the product of the normal offset and the normal frame rate), or it can be fixed to A certain value is not limited here.
  • the normal offset of the loop operation in each frame of the animation page is 1 pixel, and 60 frames per second, the total offset per second of the loop operation in the animation page is 60 pixels.
  • the corresponding current offset may be determined such that the product of the current frame rate and the current offset is 60.
  • the ratio of the product of the normal frame rate to the normal offset and the current frame rate may be directly determined as the current offset.
  • the terminal device needs to determine that the difference between the product of the normal frame rate and the normal offset is a certain fixed value, and then a fixed value. The ratio to the current frame rate is determined as the current offset.
  • Step 103 Display the current frame according to the current offset determined in step 102. Specifically, on the basis of the displayed one-frame animation page, the object of the loop operation is offset according to the current offset determined according to the frame animation page, and the next frame animation page is obtained, and the next frame animation page is displayed. , and so on, showing each frame of the animation page.
  • the terminal device calculates the current frame rate of the animated page in real time, and then determines each frame according to the product of the normal frame rate and the normal offset amount when the animation page is not lost, and the current frame rate.
  • the current offset of the loop operation in the animation page such that the total offset per second of the loop operation in the animation page is the product of the normal frame rate and the normal offset, or a fixed value, and based on the current offset
  • the volume shows the animated page.
  • the terminal device may record the corresponding start generation time when starting to generate each frame of the animation page, and then determine the animation of each frame according to the start time of each frame of the animation page.
  • the average time of the page the current frame rate is determined based on the average time. For example, when the average time of each frame of animation is 16.7 milliseconds, the frame rate is 60 frames per second.
  • the difference between the start generation time of the adjacent frame animation page may be obtained first, and then the difference values are averaged to obtain the average time of each frame of the animation page, and the current frame rate is obtained. It is the ratio of 1 second to the average time consuming.
  • the terminal device is generated by calling the drawing function of the animation page when generating the animation page of each frame
  • a certain frame animation page may be generated. Record the call time as the start generation time of the corresponding frame animation page.
  • the drawing function of the animated page may be a request animation frame (requestAnimationFrame) function, and the terminal device executes the requestAnimationFrame function every time an animation page is drawn.
  • the drawing function of the animated page can also be a set spacing function (setInterval) or a set timeout (setTimeout) function.
  • setInterval means that a piece of code is looped according to the specified event interval.
  • setTimeout represents a piece of code that executes after a certain time interval.
  • the requestAnimationFrame function corresponds to the frame rate, that is, the drawing of each frame of the animation page is called, in this embodiment, the calling time can be recorded directly when the function is called.
  • the setInterval function or the setTimeout function does not correspond to the frame rate. That is, when the terminal device displays each frame of the animation page, it is not necessary to call this type function. In this case, the user needs to pass the terminal device. In advance, you need to call this type function (setInterval function or setTimeout function) when displaying each frame of animation page, so that this type of function corresponds to the frame rate, so that the terminal device can call the call time according to the call of this type function. Get the average time spent on each frame of animated pages.
  • the current offset of the loop operation dependent on the frame rate can be dynamically determined, and the animation is made.
  • the rate of the loop operation in the page remains unchanged, and does not decrease due to the decrease of the frame rate, thereby ensuring the execution speed of the game, smoothly presenting the game screen, and avoiding the phenomenon of the animation being stuck.
  • the present application automatically calculates the offset that should be cyclically operated according to the frame rate in real time, the hardware performance of the terminal device can be better utilized to adapt to various terminal devices.
  • the terminal device may perform the following step 104:
  • step 104 it is determined whether the current frame rate calculated in the above step 101 is consistent with the normal frame rate. If they are consistent, step 105 is performed. If not, the above steps 102 and 103 are performed.
  • Step 105 Display the current frame according to a normal offset.
  • the terminal device considers that if the frame rate of the animation page does not change, the current offset may not be re-determined, but the animation page of each frame is directly displayed according to the normal offset.
  • the method of the embodiment of the present application is described in a specific embodiment.
  • the terminal device in this embodiment is a game terminal, and the animation page displayed by the terminal device is a game page.
  • the method in this embodiment includes:
  • Step 201 the game terminal sets the game page when the frame is not lost, the frame rate of the game page is 60, that is, 60 frames per second, and the loop operation in the game page (for example, the background element in the game continuously moves forward)
  • the normal offset is X(px)
  • the normal state is 60 frames in the next second.
  • the total amount of motion for the loop operation in the animation page is 60X (px).
  • Step 202 When the game terminal is started, when the game page of each frame is generated, the requestAnimationFrame function is called to generate a game page, and the game terminal records the time of calling the requested animation frame function, so that according to the recorded time, according to the one-frame game The difference between the generation time of the page and the generation time of the next frame game page is calculated, and the time T of the game page of the frame is calculated, so that the current frame rate Y of the game page is 1 second/T.
  • Step 204 the product of the normal offset X and the ratio Z of the normal frame rate to the current frame rate is used as the current offset of the loop operation in the game page.
  • Step 205 The game terminal displays the next frame of the game page according to the current offset.
  • the gaming terminal loops through the above steps 202 and 203 to ensure that the total offset per second of the looping operation in the game page (the background moving forward in the game page) is close to 60X (px).
  • the loop operation in each frame of the animation page is Mario's automatic forward running.
  • Mario automatically moves forward by 1 pixel (px) per frame of the game page.
  • the frame rate of the game page may only be 20 frames per second.
  • the embodiment of the present application further provides a terminal device, and a schematic structural diagram thereof is shown in FIG. 4, and specifically includes:
  • a frame rate calculation unit 10 configured to calculate a current frame rate of the animation page
  • the offset determining unit 11 is configured to determine, according to a product of a normal frame rate and a normal offset and a current frame rate calculated by the frame rate calculating unit 10, an operation of the current frame to be displayed relative to a previous frame thereof.
  • the current offset such that the total offset per second of the operation in the animated page calculated according to the current offset is the product of the normal frame rate and the normal offset, or a fixed value;
  • the normal frame rate is a frame rate when the animation page has not lost frames, and the normal offset is an offset of an operation of the current frame relative to a previous frame when the animation page is not lost.
  • a fixed value is a value within a preset range of the product of the normal frame rate and the normal offset; specifically, the offset determining unit 11 is configured to compare the normal frame rate with The ratio of the product of the normal offset to the current frame rate is determined as the current offset; or the difference between the product of the normal frame rate and the normal offset is determined to be within a preset range a value of the fixed value, the fixed value and the current frame rate Value is determined as the current offset.
  • the first display unit 12 is configured to display the current frame according to the current offset determined by the offset determining unit 11.
  • the frame rate calculation unit 10 calculates the current frame rate of the animation page in real time, and then the offset amount determining unit 11 compares the normal frame rate with the normal offset amount and the current time when the animation page has not lost the frame.
  • a frame rate the current offset of the operation in the current frame relative to the previous frame to be displayed, such that the total offset per second of the operation in the animated page calculated according to the current offset is the normal frame rate
  • the product of the normal offset is either a fixed value, and the first display unit 12 presents the current frame based on the current offset.
  • the terminal device may include a second display unit 13 and a setting unit 14 in addition to the structure of FIG. 4, and the frame rate calculation unit 10 may pass
  • the time recording unit 110 and the time consuming computing unit 120 are implemented, specifically:
  • the time recording unit 110 is configured to record a corresponding start generation time when starting to generate each frame of the animation page; wherein, if the generating each frame of the animation page is generated by calling a drawing function of the animation page, the time recording The unit 110 is specifically configured to record a call time as a start generation time of the corresponding frame animation page when the drawing function of the animation page is generated to generate a certain frame animation page.
  • the drawing function of the animation page may be a function of requesting an animation frame function, setting a spacing function or setting a timeout function, and if the drawing function of the animation page is setting a spacing function or setting a timeout function, the terminal device also needs to set
  • the unit 14 is configured to call the set pitch function or set the timeout function when displaying each frame of the animation page, so that the time recording unit 110 records the calling time of the function according to the setting of the setting unit 14.
  • the time consuming calculation unit 120 is configured to determine an average time consumption of each frame of the animation page according to the start generation time of each frame of the animation page recorded by the time recording unit 110, and determine the current frame rate according to the average time consuming.
  • the second display unit 13 is configured to display each frame of the animation page according to the normal offset amount if the current frame rate calculated by the time consuming calculation unit 120 in the frame rate calculation unit 10 is consistent with the normal frame rate.
  • the current frame animation page is displayed by the second display unit 13. If the current frame rate does not coincide with the normal frame rate, the current frame animation page is displayed by the first display unit 12 after the offset amount determining unit 11 determines the current offset.
  • the frame rate-based animation display device of the embodiment of the present application when the frame rate of the animation page is dynamically changed when the animation page is lost, the current offset of the loop operation dependent on the frame rate can be dynamically determined, and the animation is made.
  • the rate of the loop operation in the page remains unchanged, and does not decrease due to the decrease of the frame rate, thereby ensuring the execution speed of the game, smoothly presenting the game screen, and avoiding the phenomenon of the animation being stuck.
  • the present application automatically calculates the offset that should be cyclically operated according to the frame rate in real time, the hardware performance of the terminal device can be better utilized to adapt to various terminal devices.
  • the embodiment of the present application further provides a terminal device, which is shown in FIG. 6.
  • the terminal device may have a large difference due to different configurations or performances, and may include one or more central processing units (central processing units, CPU) 20 (eg, one or more processors) and memory 21, one or more storage media 22 that store application 221 or data 222 (eg, one or one storage device in Shanghai).
  • the memory 21 and the storage medium 22 may be short-term storage or persistent storage.
  • the program stored on the storage medium 22 may include one or more modules (not shown), each of which may include a series of instruction operations in the terminal device.
  • central processor 20 may be arranged to communicate with storage medium 22 to perform a series of instruction operations in storage medium 22 on the terminal device.
  • the application 221 stored in the storage medium 22 includes an application program based on a frame rate-based animation
  • the program may include the frame rate calculation unit 10 in the above-described terminal device, the offset determination unit 11, the first display The unit 12, the second display unit 13 and the setting unit 14 are not described herein.
  • the central processor 20 can be arranged to communicate with the storage medium 22 to perform a series of operations corresponding to the application of the frame rate based animation stored in the storage medium 22 on the terminal device.
  • the application of the frame rate based animation display may also include the operations described in Figures 2A, 2B, and 3.
  • the terminal device may also include one or more power sources 23, one or more wired or wireless network interfaces 24, one or more input and output interfaces 25, and/or one or more operating systems 223, such as Windows ServerTM, Mac OS. XTM, UnixTM, LinuxTM, FreeBSDTM and more.
  • the steps performed by the terminal device described in the foregoing method embodiments may be based on the structure of the terminal device shown in FIG. 6.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: Read only memory (ROM), random access memory (RAM), magnetic or optical disk, and the like.

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Abstract

La présente invention a trait à un procédé d'affichage d'animation sur la base d'un débit de trames, et à un dispositif terminal. Un dispositif terminal calcule en temps réel un débit de trames actuel d'une page d'animation, et ensuite, selon un produit d'un débit de trames normal et d'un décalage normal lorsqu'aucune trame de la page d'animation n'est perdue, et selon le débit de trames actuel, détermine un décalage actuel relativement à une opération de la trame précédente dans une trame actuelle à afficher de sorte que le décalage total de chaque seconde d'une opération dans la page d'animation calculée selon le décalage actuel est le produit du débit de trames normal et du décalage normal ou est une certaine valeur fixe, et la trame actuelle est affichée selon le décalage actuel.
PCT/CN2018/078976 2017-03-17 2018-03-14 Procédé d'affichage d'animation sur la base d'un débit de trames et dispositif terminal WO2018166470A1 (fr)

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CN201710159973.3A CN107038736B (zh) 2017-03-17 2017-03-17 一种基于帧率的动画展示方法及终端设备
CN201710159973.3 2017-03-17

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CN108710688B (zh) * 2018-05-21 2021-12-21 创新先进技术有限公司 一种页面中动画的生成方法、装置及电子设备
CN111494942B (zh) * 2020-04-16 2022-02-22 腾讯科技（深圳）有限公司 动画播放方法、装置、终端和存储介质
CN117036561A (zh) * 2023-03-22 2023-11-10 北京凡米物联科技有限公司 一种基于数据驱动的gis/cad/三维三合一煤矿生产可视化场景混合渲染技术

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