CN105243680A - Animation generation method and mobile terminal - Google Patents
Animation generation method and mobile terminal Download PDFInfo
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- CN105243680A CN105243680A CN201510685177.4A CN201510685177A CN105243680A CN 105243680 A CN105243680 A CN 105243680A CN 201510685177 A CN201510685177 A CN 201510685177A CN 105243680 A CN105243680 A CN 105243680A
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Abstract
The invention belongs to the communication technical field and discloses an animation generation method. The animation generation method includes the following steps that: a first motion trajectory of a visible object is obtained; effective trajectory points on the first motion trajectory are extracted, wherein the effective trajectory points comprises the starting point and terminal point of the first motion trajectory; adjacent effective trajectory points are connected with each other sequentially through curves, so that a second motion trajectory can be formed, and the trajectory length of the second motion trajectory is calculated; motion velocity is determined according to the trajectory length and preset motion time; and the visible object can be controlled to move along the second motion trajectory according to the motion velocity. The invention also discloses a mobile terminal using the above method. With the animation generation method and the mobile terminal of the invention adopted, the realization of animation trajectories can be simplified, and interactive experience can be enhanced.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of animation producing method and mobile terminal.
Background technology
In existing Android platform, Android development kit (AndroidSDK, softwaredevelopmentkit) provide only very simple animation in, as translation, rotation, convergent-divergent etc., these animations all follow specific rule, all need to describe with mathematical formulae to develop other its cartoon tracks, and before realizing animation, developer is needed to spend the plenty of time make great efforts study and design various mathematical formulae, operation is inconvenience comparatively, especially for irregular cartoon track.
Summary of the invention
When realizing cartoon track on mobile terminals for overcoming in prior art, developer needs time-consuming problem, and the embodiment of the present invention provides a kind of animation producing method on the one hand, comprising:
Obtain the first movement locus of visual object;
Extract the effective tracing point on described first movement locus, described effective tracing point comprises starting point and the terminal of described first movement locus;
Use curve connects adjacent effective tracing point successively, forms the second movement locus, calculates the course length of described second movement locus;
According to described course length and predetermined movement time, determine movement velocity;
According to described movement velocity, control described visual object and move along described second movement locus.
On the other hand, the embodiment of the present invention additionally provides a kind of mobile terminal, comprising:
Acquisition module, for obtaining the first movement locus of visual object;
First extraction module, for extracting the effective tracing point on described first movement locus, described effective tracing point comprises starting point and the terminal of described first movement locus;
First processing module, connects adjacent effective tracing point successively for use curve, forms the second movement locus, calculates the course length of described second movement locus;
Determination module, for according to described course length and predetermined movement time, determines movement velocity;
Memory module, for according to described movement velocity, controls described visual object and moves along described second movement locus.
The embodiment of the present invention is by after acquisition first movement locus, draw the second movement locus, and calculate the movement velocity of visual object along the second movement locus, achieve visual object to move along the second movement locus by the movement velocity of setting, in the embodiment of the present invention, the implementation method of animation is more simple and convenient, does not need developer to learn and designs complicated formula, improving tempo of development; Meanwhile, the second movement locus takes from effective tracing point of the first movement locus, makes cartoon track more press close to the first movement locus on the one hand, can reduce the size of track description document on the other hand, and resource occupation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the first embodiment of animation producing method of the present invention;
Fig. 2 is the schematic flow sheet of the second embodiment of animation producing method of the present invention;
Fig. 3 is the schematic flow sheet of step S203 in the second embodiment of animation producing method of the present invention;
Fig. 4 is the structural representation of the first embodiment of mobile terminal of the present invention;
Fig. 5 is the structural representation of the second embodiment of mobile terminal of the present invention.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
When the embodiment of the present invention mentions the ordinal number such as " first ", " second ", unless the meaning of based on context its certain order of representation, should be understood to has been only the use of differentiation.
Fig. 1, be the schematic flow sheet of the first embodiment of animation producing method of the present invention, this animation producing method comprises:
Step S11, obtains the first movement locus of visual object.
In the present embodiment, visual object comprises picture or animation.The acquisition methods of the first movement locus can be that the mapping software that use system carries is drawn, and also can use the professional drawing Software on Drawings such as Photoshop, Illustrator, can also be loaded into existing trail file obtain by user.
Step S12, extracts the effective tracing point on the first movement locus, and effective tracing point comprises starting point and the terminal of the first movement locus.
In the present embodiment, effective tracing point freely can be chosen by user, also automatically can be chosen by preset algorithm, when effective tracing point quantity is more, the second movement locus and the first movement locus more close, but the track description document of follow-up generation is larger.
Step S13, use curve connects adjacent effective tracing point successively, forms the second movement locus, calculates the course length of the second movement locus.
In the present embodiment, this curve can be smooth curve, and the course length of the second movement locus can be considered as between starting point and terminal, the length of this smooth curve.
Step S14, according to course length and predetermined movement time, determines movement velocity.
In the present embodiment, run duration can be defined by the user, and movement velocity can be at the uniform velocity, also can be speed change.
Step S15, according to described movement velocity, controls described visual object and moves along described second movement locus.
In the present embodiment, second movement locus and movement velocity can be stored as XML (eXtensibleMarkupLanguage, extend markup language) file, can effectively reduce APK (AndroidPackage, Android installation kit) volume, and compress-encrypt can be carried out to XML file, reduce APK volume further and also improve security.
When importing the XML file in the present embodiment to visual object, visual object along the second movement locus, can move by movement velocity.
The embodiment of the present invention is by after acquisition first movement locus, draw the second movement locus, and calculate the movement velocity of visual object along the second movement locus, achieve visual object to move along the second movement locus by the movement velocity of setting, in the embodiment of the present invention, the implementation method of animation is more simple and convenient, does not need developer to learn and designs complicated formula, improving tempo of development; Meanwhile, the second movement locus takes from effective tracing point of the first movement locus, makes cartoon track more press close to the first movement locus on the one hand, can reduce the size of track description document on the other hand, and resource occupation.
Fig. 2, be the schematic flow sheet of the second embodiment of animation producing method of the present invention, this animation producing method comprises:
Step S201, obtains the first movement locus of visual object.
This step is identical with the corresponding step of the first embodiment, repeats no more here.
Step S202, extracts starting point and the terminal of the first movement locus.
When the first movement locus is closed curve, the starting point of the first movement locus is identical with terminal.
Step S203, according to predeterminable range threshold value, extracts the intermediate trace points on the first movement locus.
This predeterminable range threshold value can be fixing, and also can be that the mass parameter selected by user is corresponding, when mass parameter is higher, this predeterminable range threshold value be less, and the quantity of intermediate trace points is more.
As shown in Figure 3, as a kind of preferred version, step S203 comprises further:
Step S2031, obtains the plot order of all pixels on the first movement locus.
In the present embodiment, this plot order can with drawing time representation.
Step S2032, according to plot order, and predeterminable range threshold value, extract the intermediate trace points on the first movement locus successively.
In order to avoid when the first movement locus intersects or be close to, that cannot determine intermediate trace points chooses order problem, by judging the plot order of pixel on the first track, determine the next intermediate trace points with this infall or adjacent place, to improve the accuracy rate of the reduction degree of cartoon track.
Step S204, according to starting point, intermediate trace points and terminal, determines effective tracing point.
In the present embodiment, effective tracing point comprises starting point, intermediate trace points and terminal.
Step S205, use curve connects adjacent effective tracing point successively, forms the second movement locus, calculates the course length of the second movement locus.
This step is identical with the corresponding step of the first embodiment, repeats no more here.
Step S206, according to course length and predetermined movement time, determines movement velocity.
This step is identical with the corresponding step of the first embodiment, repeats no more here.
Step S207, extracts the second movement locus in the tangent line value at each effective tracing point place.
In the present embodiment, the tangent line value at each effective tracing point place all can be recorded.
Step S208, generates visual object in the placed angle at each effective tracing point place according to tangent line value.
In the present embodiment, the tangential direction that the placed angle of visual object can be corresponding with tangent line value is identical, also can be vertical with tangential direction.
Step S209, according to the differential seat angle of the placed angle at adjacent effective tracing point place, calculates between adjacent effective tracing point, the rotational speed of visual object.
In the present embodiment, when after the placed angle determining two adjacent effective tracing points, calculate differential seat angle, and according to the run duration of visual object between this two adjacent effective tracing point, determine the rotational speed of visual object.
In the present embodiment, above-mentioned rotational speed can be at the uniform velocity.
Step S210, according to described movement velocity and rotational speed, controls described visual object and moves along described second movement locus.
This step is similar to the corresponding step of the first embodiment, and difference part is the record achieving rotational speed, and in the present embodiment, this visual object, between each adjacent effective tracing point, rotates by corresponding rotational speed.
The present embodiment can simplify the acquisition to the second movement locus by the setting of predeterminable range threshold value, and the precision of the second movement locus is selected mass parameter to determine by user; Secondly, due to when choosing intermediate trace points, by the next intermediate trace points of plot order auxiliary judgment, improve the reduction degree of the second movement locus to the first movement locus; Again, by obtaining tangent line value, visual object can be realized when along the second orbiting motion, carrying out corresponding rotation process, making the effect of animation better true to nature, improve interactive experience.
Detailed introduction is done to the embodiment of animation producing method of the present invention above.Below the mobile terminal corresponding to said method is further elaborated.Wherein, mobile terminal can be mobile phone, panel computer, MP3, MP4 or notebook computer etc.
Fig. 4 is the structural representation of the first embodiment of mobile terminal of the present invention, and the mobile terminal 100 in the embodiment of the present invention can animation producing method in the first embodiment to implement the above described method.
The mobile terminal 100 of the embodiment of the present invention comprises: acquisition module 110, first extraction module 120, first processing module 130, determination module 140 and memory module 150.
Wherein, acquisition module 110, is connected with the first extraction module 120, for obtaining the first movement locus of visual object.
In the present embodiment, visual object comprises picture or animation.The acquisition methods of the first movement locus can be that the mapping software that use system carries is drawn, and also can use the professional drawing Software on Drawings such as Photoshop, Illustrator, can also be loaded into existing trail file obtain by user.
First extraction module 120, is connected with the first processing module 130, and for extracting the effective tracing point on the first movement locus, effective tracing point comprises starting point and the terminal of the first movement locus.
In the present embodiment, effective tracing point freely can be chosen by user, also automatically can be chosen by preset algorithm, when effective tracing point quantity is more, the second movement locus and the first movement locus more close, but the track description document of follow-up generation is larger.
First processing module 130, is connected with determination module 140, connects adjacent effective tracing point successively, forms the second movement locus, calculate the course length of the second movement locus for use curve.
In the present embodiment, this curve can be smooth curve, and the course length of the second movement locus can be considered as between starting point and terminal, the length of this smooth curve.
Determination module 140, is connected with memory module 150, for according to course length and predetermined movement time, determines movement velocity.
In the present embodiment, run duration can be defined by the user, and movement velocity can be at the uniform velocity, also can be speed change.
Memory module 150, for according to described movement velocity, controls described visual object and moves along described second movement locus.
In the present embodiment, second movement locus and movement velocity can be stored as XML (eXtensibleMarkupLanguage, extend markup language) file, can effectively reduce APK (AndroidPackage, Android installation kit) volume, and compress-encrypt can be carried out to XML file, reduce APK volume further and also improve security.
When importing the XML file in the present embodiment to visual object, visual object along the second movement locus, can move by movement velocity.
The embodiment of the present invention is by after acquisition first movement locus, draw the second movement locus, and calculate the movement velocity of visual object along the second movement locus, achieve visual object to move along the second movement locus by the movement velocity of setting, in the embodiment of the present invention, the implementation method of animation is more simple and convenient, does not need developer to learn and designs complicated formula, improving tempo of development; Meanwhile, the second movement locus takes from effective tracing point of the first movement locus, makes cartoon track more press close to the first movement locus on the one hand, can reduce the size of track description document on the other hand, and resource occupation.
Fig. 5 is the structural representation of the second embodiment of mobile terminal of the present invention, and the mobile terminal 200 in the embodiment of the present invention can animation producing method in the second embodiment to implement the above described method.
The mobile terminal 200 of the embodiment of the present invention comprises: acquisition module 210, first extraction module 220, first processing module 230, determination module 240, second extraction module 250, generation module 260, second processing module 270 and memory module 280.
Wherein, acquisition module 210, is connected with the first extraction module 220, for obtaining the first movement locus of visual object.
This module is identical with the respective modules of the first embodiment, repeats no more here.
First extraction module 220, is connected with the first processing module 230, comprises: the first extraction unit 221, second extraction unit 222 and determining unit 223.
Wherein, the first extraction unit 221, is connected with determining unit 223, for extracting starting point and the terminal of the first movement locus.
When the first movement locus is closed curve, the starting point of the first movement locus is identical with terminal.
Second extraction unit 222, is connected with determining unit 223, for according to predeterminable range threshold value, extracts the intermediate trace points on the first movement locus.
This predeterminable range threshold value can be fixing, and also can be that the mass parameter selected by user is corresponding, when mass parameter is higher, this predeterminable range threshold value be less, and the quantity of intermediate trace points is more.
As a kind of preferred version, the second extraction unit 222 comprises acquisition subelement 222a further and extracts subelement 222b.
Wherein, obtaining subelement 222a, being connected, for obtaining the plot order of all pixels on the first movement locus with extraction subelement 222b.
In the present embodiment, this plot order can with drawing time representation.
Extract subelement 222b, for according to plot order, and predeterminable range threshold value, extract the intermediate trace points on the first movement locus successively.
In order to avoid when the first movement locus intersects or be close to, that cannot determine intermediate trace points chooses order problem, by judging the plot order of pixel on the first track, determine the next intermediate trace points with this infall or adjacent place, to improve the accuracy rate of the reduction degree of cartoon track.
Determining unit 223, for according to starting point, intermediate trace points and terminal, determines effective tracing point.
In the present embodiment, effective tracing point comprises starting point, intermediate trace points and terminal.
First processing module 230, is connected with determination module 240, connects adjacent effective tracing point successively, forms the second movement locus, calculate the course length of the second movement locus for use curve.
This module is identical with the respective modules of the first embodiment, repeats no more here.
Determination module 240, is connected with the second extraction module 250, for according to course length and predetermined movement time, determines movement velocity.
This module is identical with the respective modules of the first embodiment, repeats no more here.
Second extraction module 250, is connected with generation module 260, for extracting the second movement locus in the tangent line value at each effective tracing point place.
In the present embodiment, the tangent line value at each effective tracing point place all can be recorded.
Generation module 260, is connected with the second processing module 270, for generating visual object in the placed angle at each effective tracing point place according to tangent line value.
In the present embodiment, the tangential direction that the placed angle of visual object can be corresponding with tangent line value is identical, also can be vertical with tangential direction.
Second processing module 270, is connected with memory module 280, for the differential seat angle of the placed angle according to adjacent effective tracing point place, calculates between adjacent effective tracing point, the rotational speed of visual object.
In the present embodiment, when after the placed angle determining two adjacent effective tracing points, calculate differential seat angle, and according to the run duration of visual object between this two adjacent effective tracing point, determine the rotational speed of visual object.
In the present embodiment, above-mentioned rotational speed can be at the uniform velocity.
Memory module 280, for according to described movement velocity and rotational speed, controls described visual object and moves along described second movement locus.
This module is similar to the respective modules of the first embodiment, and difference part is the record achieving rotational speed, and in the present embodiment, this visual object, between each adjacent effective tracing point, rotates by corresponding rotational speed.
The present embodiment can simplify the acquisition to the second movement locus by the setting of predeterminable range threshold value, and the precision of the second movement locus is selected mass parameter to determine by user; Secondly, due to when choosing intermediate trace points, by the next intermediate trace points of plot order auxiliary judgment, improve the reduction degree of the second movement locus to the first movement locus; Again, by obtaining tangent line value, visual object can be realized when along the second orbiting motion, carrying out corresponding rotation process, making the effect of animation better true to nature, improve interactive experience.
Those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, inner structure by device is divided into different functional modules, to complete all or part of function described above.The system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed mobile terminal and animation producing method can realize by another way.Such as, mobile terminal embodiment described above is only schematic, the division of module or unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of embodiment of the present invention scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a chip unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising instruction in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform all or part of step of each embodiment method of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an animation producing method, is characterized in that, comprising:
Obtain the first movement locus of visual object;
Extract the effective tracing point on described first movement locus, described effective tracing point comprises starting point and the terminal of described first movement locus;
Use curve connects adjacent effective tracing point successively, forms the second movement locus, calculates the course length of described second movement locus;
According to described course length and predetermined movement time, determine movement velocity;
According to described movement velocity, control described visual object and move along described second movement locus.
2. the method for claim 1, is characterized in that, the effective tracing point on described first movement locus of described extraction, and described effective tracing point comprises the described starting point of the first movement locus and the step of terminal, specifically comprises:
Extract starting point and the terminal of the first movement locus;
According to predeterminable range threshold value, extract the intermediate trace points on the first movement locus;
According to described starting point, intermediate trace points and terminal, determine described effective tracing point.
3. method as claimed in claim 2, is characterized in that, described according to predeterminable range threshold value, extracts the step of the intermediate trace points on the first movement locus, comprising:
Obtain the plot order of all pixels on described first movement locus;
According to described plot order, and described predeterminable range threshold value, extract the intermediate trace points on described first movement locus successively.
4. method as claimed in claim 3, is characterized in that, described according to described course length and predetermined movement time, after determining the step of movement velocity, also comprise:
Extract the second movement locus in the tangent line value at described each effective tracing point place;
Described visual object is generated in the placed angle at each effective tracing point place according to described tangent line value;
According to the differential seat angle of the placed angle at adjacent effective tracing point place, calculate between described adjacent effective tracing point, the rotational speed of described visual object;
Described according to described movement velocity, control the step that described visual object moves along described second movement locus, be specially:
According to described movement velocity and rotational speed, control described visual object and move along described second movement locus.
5. the method for claim 1, is characterized in that, described visual object comprises picture or animation.
6. a mobile terminal, is characterized in that, comprising:
Acquisition module, for obtaining the first movement locus of visual object;
First extraction module, for extracting the effective tracing point on described first movement locus, described effective tracing point comprises starting point and the terminal of described first movement locus;
First processing module, connects adjacent effective tracing point successively for use curve, forms the second movement locus, calculates the course length of described second movement locus;
Determination module, for according to described course length and predetermined movement time, determines movement velocity;
Memory module, for according to described movement velocity, controls described visual object and moves along described second movement locus.
7. mobile terminal as claimed in claim 6, it is characterized in that, described first extraction module comprises:
First extraction unit, for extracting starting point and the terminal of the first movement locus;
Second extraction unit, for according to predeterminable range threshold value, extracts the intermediate trace points on the first movement locus;
Determining unit, for according to described starting point, intermediate trace points and terminal, determines described effective tracing point.
8. mobile terminal as claimed in claim 7, it is characterized in that, described second extraction unit comprises:
Obtain subelement, for obtaining the plot order of all pixels on described first movement locus;
Extract subelement, for according to described plot order, and described predeterminable range threshold value, extract the intermediate trace points on described first movement locus successively.
9. mobile terminal as claimed in claim 8, is characterized in that, also comprise:
Second extraction module, for extracting the second movement locus in the tangent line value at described each effective tracing point place;
Generation module, for generating described visual object in the placed angle at each effective tracing point place according to described tangent line value;
Second processing module, for the differential seat angle of the placed angle according to adjacent effective tracing point place, calculates between described adjacent effective tracing point, the rotational speed of described visual object;
Described memory module, specifically for:
According to described movement velocity and rotational speed, control described visual object and move along described second movement locus.
10. mobile terminal as claimed in claim 6, it is characterized in that, described visual object comprises picture or animation.
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