In the article 'Creative Approaches to Emotional Expression Animation', Robin Sloan comes out with statement those animation principles which imply the application of caricature such as exaggeration or anticipation can make the characters seems more lifelike. Effective expression in animation is not only about creating the emotion that be recognized as 'happiness' to the audience but it is all about the shattering audiences suspension of disbelief.
According to Steve Roberts in his book titled Character Animation in 3D (2005, p.185-189), under chapter 10 Animating of acting-facial expression, he stated that there are eight basic emotions which are happiness, sadness, surprise, fear, anger, disgust, interest and pain. And according to him also, the eyes plays most important role. Because eyes are the window of the soul. It the eyes help making the character seem more alive and if the eyes on the character is not focusing on something then the result may become the character to look like a groggy doll. Eyes always lead all movement of the face and body. thus it is important to focus on facial expressions because we use the face to broadcast and communicate our emotions. When we look at someone, we study the face. We look at the eye, eyebrows lips and also forehead. The combination of these elements help giving the information toward us what the opinion and the face being thinking.
2.3 A long period of time and high cost for making animation films.
Inside the article written by Dean Takashi for Venturebeat.com , ‘The Making of Pixar, Its latest technological Marvel in Monster University (2013), the producer of Monster University, Kori Rae himself claimed a statement that it is hard to have animated movie because they took a long time to make but it always been a gold mine to those filmmakers. Even the production may up to years and more but within that period, there are possibilities that the team production may come out as a forerunner in technological progress. Since animation production used to take a long period of time to complete everything, it means that the team production are going to have ample time to experimenting with presence technologies in many aspects to speed up the time for production. All the sound engineers, software engineers and those teams are always stimulating all and look up for the new invention in order to make their works becoming more easier and works within the dateline. The production of Monster University is completely done in year 2013 is taking over 12 years of production after their first debuted of Monster Inc in year 2001. In addition to this, according to supervising technical director of Monster University, Sanjay Bakshi, They were using over 2,000 computers which have more than 24,000 core for this animation film yet it still took them 29 hours to render a single frame of Monster University and that the reason why animation film is taking a long period of time to produce.