CN103606180A - Rendering method and device of 3D skeletal animation - Google Patents
Rendering method and device of 3D skeletal animation Download PDFInfo
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- CN103606180A CN103606180A CN201310634747.8A CN201310634747A CN103606180A CN 103606180 A CN103606180 A CN 103606180A CN 201310634747 A CN201310634747 A CN 201310634747A CN 103606180 A CN103606180 A CN 103606180A
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Abstract
The invention provides a rendering method and device of a 3D skeletal animation. The rendering method comprises the following steps that an skeletal animation object is established and global skeletal matrix data which are generated in advance are loaded; the animation object is loaded, animation playing is conducted, skeletal matrix data needed by a current frame of the animation are obtained from the global skeletal matrix data and the skeletal matrix data are transmitted into a GPU; skeletal animation shader codes, an image object and model vertex data are obtained from the GPU, calculation is conducted according to the obtained skeletal matrix data, the obtained skeletal animation shader codes, the obtained image object and the obtained model vertex data, and a skeletal animation picture is rendered. The rendering method and device avoid the problem that in practical environment, CPU resource consumption is too high due to the fact the global matrix data are calculated through a CPU, effectively reduce the CPU occupancy rate and especially have obvious performance advantages for skeletal animation models which are complex and large in calculation amount.
Description
Technical field
The present invention relates to computer graphics techniques field, particularly relate to a kind of rendering intent of 3D skeleton cartoon and a kind of rendering device of 3D skeleton cartoon.
Background technology
The current mode that has two kinds of model animations: summit animation and skeleton cartoon.In skeleton cartoon, the skeleton structure that model has interconnected " bone " forms, by change bone towards coming for model generation animation with position.
Skeleton cartoon requires higher processor performance than summit animation, but it also has more advantage simultaneously, and skeleton cartoon can be more easily, create more quickly.Different skeleton cartoons can be incorporated into together, such as model can rotation head, shooting and simultaneously also walking.Some engines can be handled single bone in real time, so just can carry out more exactly alternately with environment---model can be bent and be observed or shooting to certain direction, or from the ground pick up somewhere a thing etc.
At present, general 3D(is three-dimensional) in engine, when realizing skeleton cartoon, all that every frame animation is used CPU(Central Processing Unit, central processing unit) instant computing overall situation bone matrix data, and then submit to GPU(Graphics Processing Unit, Graphics Processing Unit), render 3D skeleton cartoon model.Yet, adopt said method to realize 3D skeleton cartoon, because every frame animation all needs to consume CPU computational resource, 3D skeleton cartoon model quantity can cause CPU usage too high when large; Especially for some special consumption CPU, calculate the skeleton model of bone gesture data, even more serious to the consumption of cpu resource, the appearance that even can cause quoting Caton phenomenon.
Summary of the invention
Based on this, the invention provides a kind of rendering intent and device of 3D skeleton cartoon, can reduce the occupancy of CPU, reduce the consumption of cpu resource.
For achieving the above object, the present invention adopts following technical scheme:
A rendering intent for 3D skeleton cartoon, comprises the following steps:
Create skeleton cartoon object, and load the overall bone matrix data generating in advance;
Be written into the animate object action picture of going forward side by side and play, from described overall bone matrix data, obtain the needed bone matrix data of present frame of animation, and this bone matrix data is imported in GPU;
In GPU, obtain skeleton cartoon tinter code, image object and model vertices data, and carry out computing according to obtained bone matrix data, skeleton cartoon tinter code, image object and model vertices data, render skeleton cartoon picture.
A rendering device for 3D skeleton cartoon, comprising:
Object Creation and data load-on module, for creating skeleton cartoon object, and load the overall bone matrix data generating in advance;
Data acquisition module, plays for being written into the animate object action picture of going forward side by side, and obtains the needed bone matrix data of present frame of animation, and this bone matrix data is imported in GPU from described overall bone matrix data;
Rendering module, for obtaining skeleton cartoon tinter code, image object and model vertices data at GPU, and carry out computing according to obtained bone matrix data, skeleton cartoon tinter code, image object and model vertices data, render skeleton cartoon picture.
By above scheme, can be found out, the rendering intent of 3D skeleton cartoon of the present invention and device, before playing, animation generated in advance overall bone matrix data, so in the process of playing animation, can directly load overall bone matrix data, no longer need CPU to remove to calculate the overall bone matrix data of the every frame of skeleton cartoon, thereby avoided in actual environment calculating by CPU the cpu resource that overall bone matrix data brings and consumed excessive problem, effectively reduce the occupancy of CPU, particularly for complicated and the huge skeleton cartoon model of calculated amount, there is significant performance advantage.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the rendering intent of a kind of 3D skeleton cartoon of the present invention;
Fig. 2 is the structural representation of the rendering device of a kind of 3D skeleton cartoon of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, 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, is not intended to limit the present invention.
Shown in Figure 1, a kind of rendering intent of 3D skeleton cartoon, comprises the following steps:
Step S101, creates skeleton cartoon object, and loads the overall bone matrix data generating in advance.
It should be noted that, overall bone matrix data in the present invention is not in practical service environment, to utilize CPU instant computing out, but just generation in advance outside practical service environment.Take practical service environment as described as example in game, the present invention has just generated in advance overall bone matrix data before game, during game, directly using overall bone matrix to be submitted in GPU plays up, without going to calculate overall bone posture matrix with CPU again, therefore can consider the consumption problem of resource.As a good embodiment, the process that generates described overall bone matrix data in the present invention specifically comprises as follows:
Create skeleton cartoon object, load the needed resource of skeleton cartoon, and described resource is resolved, obtain bone, action data;
According to described bone, action data, carry out animation broadcasting, and calculate overall bone posture matrix data when each frame of playing animation, by overall bone posture matrix deposit data to the action action frame list calculating;
After the whole frames of current action calculate, stored all overall bone matrix datas in described action action frame list are preserved into action disk file.Concrete, this disk file can be binary format, the action overall situation bone matrix data that is about to calculate is preserved into action disk file with binary form.
In addition, as a good embodiment, the process of the overall bone matrix data that described loading generates in advance specifically can comprise as follows: load described action disk file, and (this time can elasticity be controlled to this action disk file time segment, make the resolving can be because of the phenomenon that takies excess CPU and cause game card to pause) resolve, obtain described overall bone matrix data.
Step S102, is written into the animate object action picture of going forward side by side and plays, and obtains the needed bone matrix data of present frame of animation, and this bone matrix data is imported in GPU from described overall bone matrix data.
Concrete, carry out animation can call frame function while playing, and obtain the needed bone matrix data of present frame according to frame function, then by GPU object, described bone matrix data is imported in GPU internal memory.
Step S103 obtains skeleton cartoon tinter code (being Shader), image object and model vertices data in GPU, specifically can skeleton cartoon tinter code, image object and model vertices data be imported in GPU internal memory by GPU object; And carry out computing according to the skeleton cartoon tinter code, image object, the model vertices data that get in the bone matrix data obtaining in step S102 and this step, render the skeleton cartoon picture of present frame.
Corresponding with the rendering intent of above-mentioned a kind of 3D skeleton cartoon, the present invention also provides a kind of rendering device of 3D skeleton cartoon, as shown in Figure 2, comprising:
Object Creation and data load-on module 101, for creating skeleton cartoon object, and load the overall bone matrix data generating in advance;
Rendering module 103, for obtaining skeleton cartoon tinter code, image object and model vertices data at GPU, and carry out computing according to obtained bone matrix data, skeleton cartoon tinter code, image object and model vertices data, render skeleton cartoon picture.
As a good embodiment, the rendering device of described 3D skeleton cartoon can also comprise:
Pretreatment module, for before loading the overall bone matrix data generating in advance, generates described overall bone matrix data.
As a good embodiment, described pretreatment module can comprise:
Parsing module, for creating skeleton cartoon object, loads the needed resource of skeleton cartoon, and described resource is resolved, and obtains bone, action data;
Computing module for carrying out animation broadcasting according to described bone, action data, and calculates overall bone posture matrix data when each frame of playing animation, by the overall bone posture matrix deposit data calculating in action action frame list;
Memory module, after calculating at the whole frames of current action, preserves into action disk file by the overall bone matrix data in described action action frame list.
As a good embodiment, described Object Creation and data load-on module can comprise:
Action disk file parsing module, for loading described action disk file, and resolves this action disk file time segment, obtains described overall bone matrix data.
As a good embodiment, described disk file can be binary format.
Other technical characterictic of the rendering device of above-mentioned a kind of 3D skeleton cartoon is identical with the rendering intent of a kind of 3D skeleton cartoon of the present invention, and it will not go into details herein.
It should be noted that, unless context separately has the description of specific distinct, the element in the present invention and assembly, the form that quantity both can be single exists, and form that also can be a plurality of exists, and the present invention does not limit this.Although the step in the present invention is arranged with label, and be not used in the precedence that limits step, unless expressly stated the order of step or the execution of certain step need other steps as basis, otherwise the relative order of step is adjustable.
By above scheme, can find out, the rendering intent of 3D skeleton cartoon of the present invention and device, before playing, animation generated in advance overall bone matrix data, so in the process of playing animation, can directly load overall bone matrix data, no longer need CPU to remove to calculate the overall bone matrix data of the every frame of skeleton cartoon, thereby avoided in actual environment calculating by CPU the cpu resource that overall bone matrix data brings and consumed excessive problem, effectively reduce the occupancy of CPU, particularly for complicated and the huge skeleton cartoon model of calculated amount, there is significant performance advantage.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a rendering intent for 3D skeleton cartoon, is characterized in that, comprises the following steps:
Create skeleton cartoon object, and load the overall bone matrix data generating in advance;
Be written into the animate object action picture of going forward side by side and play, from described overall bone matrix data, obtain the needed bone matrix data of present frame of animation, and this bone matrix data is imported in GPU;
In GPU, obtain skeleton cartoon tinter code, image object and model vertices data, and carry out computing according to obtained bone matrix data, skeleton cartoon tinter code, image object and model vertices data, render skeleton cartoon picture.
2. the rendering intent of 3D skeleton cartoon according to claim 1, is characterized in that, the process that generates described overall bone matrix data comprises:
Create skeleton cartoon object, load the needed resource of skeleton cartoon, and described resource is resolved, obtain bone, action data;
According to described bone, action data, carry out animation broadcasting, and calculate overall bone posture matrix data when each frame of playing animation, by the overall bone posture matrix deposit data calculating in action action frame list;
After the whole frames of current action calculate, the overall bone matrix data in described action action frame list is preserved into action disk file.
3. the rendering intent of 3D skeleton cartoon according to claim 2, is characterized in that, the process of the overall bone matrix data that described loading generates in advance comprises:
Load described action disk file, and this action disk file time segment is resolved, obtain described overall bone matrix data.
4. the rendering intent of 3D skeleton cartoon according to claim 2, is characterized in that, described disk file is binary format.
5. a rendering device for 3D skeleton cartoon, is characterized in that, comprising:
Object Creation and data load-on module, for creating skeleton cartoon object, and load the overall bone matrix data generating in advance;
Data acquisition module, plays for being written into the animate object action picture of going forward side by side, and obtains the needed bone matrix data of present frame of animation, and this bone matrix data is imported in GPU from described overall bone matrix data;
Rendering module, for obtaining skeleton cartoon tinter code, image object and model vertices data at GPU, and carry out computing according to obtained bone matrix data, skeleton cartoon tinter code, image object and model vertices data, render skeleton cartoon picture.
6. the rendering device of 3D skeleton cartoon according to claim 5, is characterized in that, also comprises:
Pretreatment module, for before loading the overall bone matrix data generating in advance, generates described overall bone matrix data.
7. the rendering device of 3D skeleton cartoon according to claim 6, is characterized in that, described pretreatment module comprises:
Parsing module, for creating skeleton cartoon object, loads the needed resource of skeleton cartoon, and described resource is resolved, and obtains bone, action data;
Computing module for carrying out animation broadcasting according to described bone, action data, and calculates overall bone posture matrix data when each frame of playing animation, by the overall bone posture matrix deposit data calculating in action action frame list;
Memory module, after calculating at the whole frames of current action, preserves into action disk file by the overall bone matrix data in described action action frame list.
8. the rendering device of 3D skeleton cartoon according to claim 7, is characterized in that, described Object Creation and data load-on module comprise:
Action disk file parsing module, for loading described action disk file, and resolves this action disk file time segment, obtains described overall bone matrix data.
9. the rendering device of 3D skeleton cartoon according to claim 7, is characterized in that, described disk file is binary format.
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| CN103927184A (en) * | 2014-04-29 | 2014-07-16 | 深圳第七大道网络技术有限公司 | Optimization method and device for rendering on same screen |
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| CN106709041A (en) * | 2016-12-29 | 2017-05-24 | 深圳岂凡网络有限公司 | Rendering system and method for webpage graphic images |
| CN107967705A (en) * | 2017-12-06 | 2018-04-27 | 央视动画有限公司 | The store method of animated actions, the call method of animated actions and device |
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