Friday, August 3, 2007

Assignment 4 : Walk Cycle

In this next assignment, we will be animating a simple character walk cycle.
Don't get too crazy, just animate the walk for now. Frame Count 24. The
notes below will guide you.

  • 12 frames per step. We will have 12
  • frames per
  • step. Each of the
  • poses below will be using three frames. 1
  • keyframe and 2
  • keyframes
  • generated by the computer.

Below are the three main poses to help you animate a walk cycle.

  • Contact pose - The point at which the feet touch the ground. Front toe up, back heel up.
  • Weight Pose - The point at which the leg is holding the entire body's weight after the step.
  • Pass Pose - Point at which the leg passes the other leg.
  • Take Off - Point after Weight Pose, where the leg takes off from contact pose.


Contact Pose

  • Heel to toe. 1 or two frames.
  • Leg is straight


Take Off

  • Back leg is straight.
  • Highest Point of the pose.


Weight Pose

  • Lowest point of the pose.
Additional Notes:
  • Use 3 frames for each pose to create the 12 frame step.
  • Watch Arcs for smoothness.
  • Hand makes a figure 8 from top view.
  • Head stays in place, but bobs.
  • Foot makes and arc (reverse nike).


FORMAT:
Render out a front, side and perspective
views.


PROCESS:

Start with contact pose
Establish center of weight.
Move body
forward
Rotate Hip
Move weight (shift weight of figure) over support leg.
Rotate Shoulder
Position arms and hands.
Keyframe this pose
Set your frames to step. (RC timeline, tangent > step
Set your frame count to every third frame.

Repeat for the three remaining poses each is three frames apart.



For smoothness in Z. In Graph Editor, Select the middle points in Z
and delete for smoothness in the Z.

Locking Down legs.

Breaking
Joints to exaggerate. Check out Richard Williams Book on
breaking joints.

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