What is traditional animation? What is computer animation?

The production process of traditional animation is: designing stories, designing specific scenes and actors' actions, designing dubbing,

Design key animation frames, make intermediate pictures, copy to color film, color, check and edit. Traditional animation is mainly used for

Film and television production, as a communication tool of government management departments, as a means of scientific research and education, as a Ministry of industry.

Training tools such as doors.

Computer animation plays an auxiliary role in traditional animation production, which greatly improves the production efficiency and reduces the cost.

Ben. For example, key drawings can be generated by digital input or interactive editing, and complex graphics can also be generated by programming.

To assist image generation; Computer interpolation or control can be used to generate intermediate images, and computer coloring system can be used to generate colors.

Change the picture, simulate the camera function and throw animation frames to assist action generation; Auxiliary editing and addition in post-production

Enter the sound effect.

In addition, the computer can promote animation skills to a height that traditional animation can't reach. For example, even if it is

It is difficult for the cleverest animator to reproduce the real motion of three-dimensional objects, but it can be easily realized with the help of computers; along with

With the development of modern computer modeling technology and display technology, the movement of three-dimensional realistic model generated by computer is more dynamic than that of two-dimensional model.

Painting has incomparable advantages.

Computer animation system enables people to make more and better cartoons, but unfortunately, it also produces a lot of quality.

Bad cartoon. The problem is that computer animators lack understanding of the experience and skills accumulated by manual animation for decades.

. Therefore, it is very necessary to understand and master the principles of traditional animation for making cartoons. With the help of some traditional animations, we often

Using the advanced tool of computer, we can find the corresponding contrast between the two, and then develop into a more vivid technology.

As far as the current situation of computer animation is concerned, computer animation is only an auxiliary animation and a well-trained animation.

Teachers use computers as an auxiliary tool to make a series of two-dimensional or three-dimensional images change continuously and dynamically.

Fully computer-generated animation only exists in animation controlled by command files or algorithms. Although computer-generated animation

Technology is getting more and more advanced, but animators can't be replaced by programs, just as writers can't be replaced by word processors. quick

To produce excellent artistic animation, vivid animation skills are still essential, and the profound scientific theoretical basis is still

The basis of generating simulated animation. Only when the action control of animation is fully automatic and intelligent, and the human intervention disappears completely.

Computer animation is a real automatic animation.

The principles of traditional animation and some commonly used techniques can be found in computer animation, especially in three-dimensional object animation.

The corresponding simple implementation method can be further developed into more accurate and vivid technology. There are the following aspects.

Stretch and compress. The total volume of the flexible body remains the same during tension and compression. When the object moves fast, two frames

The gap between the pictures is getting bigger and bigger, which is easy to cause a sense of jumping. At this time, the outline of the object can be blurred, or the object can be stretched to make the movement of the object appear flat.

Slip and fall. In three-dimensional computer animation, stretching or compression can only be achieved by proportional transformation of the object's motion direction.

Time interval control. The time interval between two picture frames determines the motion speed of the object and reflects the motion characteristics of the object.

Sex, even the emotional color of the role. The correct time interval control is to allocate the preparatory action, the action itself and the action reasonably.

Time proportion of feedback. Computer programs can accurately control the appropriate time allocation among the three.

Action design. Action design includes preparation action, theme action, follow-up action and connection action. Preparation is the master.

The preparatory action of topic action, the subsequent action is the ending action of topic action, and the cohesive action is the connection of two topic actions.

Action. These actions as a whole are used to fully and completely express the theme actions.

Scene design. In order to create a certain environment and atmosphere with the theme action, it is necessary to carefully design the scene layout and background.

It works closely with time interval control and action design, which will better express the theme action.

Direct forward method and key frame method. The direct method is to use the imagination of animators to design animations while thinking.

The key frame method is to design key frames and time intervals first, and then complete the drawing of intermediate frames to form an overall animation. It

Corresponding to the key frame technology in computer animation, the computer broadcast value method can be used to generate the intermediate picture.

Slow in and slow out. In early cartoons, in order to better express the theme action, slow motion is usually adopted at the end of the action.

Go in and out slowly. In most 3D key-frame animation systems, spline curve interpolation is often used in the middle picture, which corresponds to this.

Mathematically, the second-order or third-order displacement function is continuous, and the position, direction, extension and connection of spline curves are locally adjusted.

Continuity, sometimes graphic editing of spline curves.

Motion arc. Motion arc is to specify the motion path from the starting point to the end point. In the three-dimensional keyframe animation system, motion

The arc is fitted by a spline curve that controls the time interval of the intermediate frame. In order to achieve better results, we should also use the control rate.

Another spline curve.

In addition, there are exaggeration, frolicking, rendering and other techniques to achieve vivid, interesting and attractive purposes. In short, nothing.

Whether it is manual animation or computer animation, it is to express your ideas accurately, clearly and interestingly.

Animation skills are tools and means. Obviously, computer animation system is a powerful tool.