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Lecture 13

SAG 105L Lecture Notes - Lecture 13: Heavy Object, Bowling Ball, Beach Ball


Department
Simulation, Animation and Gaming
Course Code
SAG 105L
Professor
Kinczkowski
Lecture
13

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SAG 105L4 LECTURE 13 TIMING AND WEIGHT
Timing and weight
Animators need to have a good understanding of the key animation principles in order to
make an animation dynamic and fluid.
Timing
This is something that will only improve with practice.
This is an area where all novice animators struggle.
It is as important to an animator as it is to a musician.
o A simple arm movement will look wrong if it is too fast or too slow.
To get better at timing, use a stopwatch.
o Start by observing movement and timing how long things take.
It is important to understand how long a character can hold a pose before moving on to
the next one.
o Animating from pose to pose too quickly, the animation will look frantic and the
audience will miss the performance because of it.
o If there are too many pauses between poses, then the animation will look
wooden and robotic.
It is the animator’s job to find that happy medium.
Weight
Different objects will move differently according to their weight.
o A beach ball, though relatively the same size as a bowling ball, will not have the
same properties.
A skillful animator will give the objects in the animation the properties they
need to be realistic.
Weight will affect every single thing you ever animate.
Weight defines gravity, volume, and character.
o Without these attributes, your animation will look unconvincing.
The laws of physics
All objects have weight, and the laws of physics state that everything has a momentum.
This means that nothing stops suddenly without easing to a halt.
Weight in 3D
Conveying weight in 3D uses the exact same principles as in 2D.
o However, you may find that your model breaks in certain stretched positions.
Making sure you fully check your model before animating is the best way
to ensure that it will bend into some of the more extreme positions
required for suggesting weight.
find more resources at oneclass.com
find more resources at oneclass.com
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