character rigging cs 490.006/582.001 modeling and animating human figures page 82 foot pivot points
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CHARACTER RIGGING
CS 490.006/582.001MODELING AND
ANIMATING HUMAN FIGURESPAGE 1
FOOT PIVOT POINTS
SKINNING
CS 490.006/582.001MODELING AND
ANIMATING HUMAN FIGURESPAGE 2
THE WALKING CYCLE
CS 490.006/582.001MODELING AND
ANIMATING HUMAN FIGURESPAGE 3
EXTENDED POSITION: THE CHARACTER’S
WEIGHT SHIFTING TO
THE FORWARD FOOT
RECOIL POSITION: TRANSFER BODY WEIGHT TO THE FORWARD FOOT,
BENDING THE FORWARD KNEE TO
ABSORB SHOCK
PASSING POSITION:
FORWARD KNEE STRAIGHTENS AND THE FREE
FOOT PASSES THE SUPPORTING
FOOT
WEIGHT-BEARING FOOT LIFTS OFF THE GROUND AT THE HEEL, BODY STARTS TO FALL FORWARD LIKE A
PENDULUM
FREE LEG CONTACTS GROUND,
COMPLETING HALF CYCLE,
FOLLOWED BY MIRRORED
SECOND HALF
THE RUNNING CYCLE
CS 490.006/582.001MODELING AND
ANIMATING HUMAN FIGURESPAGE 4
CONTACT POSITION:
BODY LEANS FORWARD AND
LEGS ARE FARTHER
APART THAN IN WALK
RECOIL POSITION: BODY MOVES
FASTER THAN IN WALK, SO
MOMENTUM INCREASES AND
BENT LEG IS MORE EXAGGERATED
PASSING POSITION: HALFWAY
THROUGH STEP, THE GROUNDED FOOT PUSHES
THE BODY UPWARD
BODY IS NOW
AIRBORNE AND IS AT
THE HIGHEST POINT IN
THE CYCLE
BODY LANDS AND THE NEXT STEP STARTS, WITH SECOND HALF OF CYCLE
MIRRORING FIRST HALF
THE SKIP CYCLE
CS 490.006/582.001MODELING AND
ANIMATING HUMAN FIGURESPAGE 5
THE SKIP STARTS LIKE THE WALK,
WITH THE FEET APART, BUT THE
EMPHASIS IS ON THE TOES
THE WEIGHT IS TRANSFERRED TO
THE FORWARD FOOT, OR, MORE
SPECIFICALLY, THE FORWARD
TOE
THE FOOT PUSHES OFF, SENDING THE CHARACTER INTO A
SMALL HOP; THE OTHER FOOT
MOVES FORWARD AS THE HIPS
ROTATE
IN MID-LEAP, THE BACK LEG
MOVES FORWARD
SLIGHTLY; THE FORWARD LEG
REMAINS HIGH AND
TUCKS UNDER THE BODY
THE CHARACTER LANDS ON THE REAR
FOOT, WITH THE
FORWARD FOOT
STAYING HIGH
THE FORWARD FOOT TOUCHES DOWN AND THE
CYCLE REPEATS IN A MIRRORED
FASHION
THE SNEAKING CYCLE
CS 490.006/582.001MODELING AND
ANIMATING HUMAN FIGURESPAGE 6
STARTING ON HIS TOES, THE
CHARACTER IS SLIGHTLY OFF-
CENTER, SO THE ARMS ARE
EXTENDED TO MAINTAIN BALANCE
RECOIL POSITION: THE FEET
STAY CLOSE TO THE
GROUND TO MAINTAIN BALANCE
PASSING POSITION: THE PLANTED LEG
DOESN’T EXTEND
NEARLY AS MUCH AS IN THE WALK
BEFORE THE PASSING LEG
TOUCHES DOWN, THE CHARACTER
LEANS OVER AT THE WAIST TO HELP
MAINTAIN BALANCE
THE CYCLE IS
FINISHED AND
READY FOR THE NEXT
LEG
LEAPING
CS 490.006/582.001MODELING AND
ANIMATING HUMAN FIGURESPAGE 7
ANTICIPATION
OVERSHOOT
FOLLOW-THROUGH