Abstract
Hair animation is one of the elements that contribute to realistic character animation which is widely used in animation, games and movies. Simulating realistic hair with physical properties always becomes a challenge where the hair strands are being manipulated with the forces. This paper proposed physical forces of gravity and wind to be applied into hair animation in real time based on wisp model and verlet integration technique. Initially, the hair strand will be extended from hair scalp then each joint of hair scalp will be updated through verlet integration. Afterward, the physical forces will be applied into each hair strand. The result of experiment show promising behavior where straight type hair style able to produce a realistic motion with acceptable frame per second. However, the rise of hair strand with physical forces will affect the computational cost significantly. The 2250 generated particles will require 0.017s of time step value, while 36750 needs around 0.070s, this mean 24% of extra time step value required when hair strand particles rendered. The current technique still can be improved by apply tessellation technique to reduce excessive use of resources and not only straight-type hair model such as curly or frizzy.