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Figure 11.7. Two stick constraints and an inequality constraint (dotted) modeling, e.g., an
Actually, in Hitman , corpses aren't composed of rigid bodies modeled by
tetrahedrons. They are simpler yet, as they consist of particles connected by stick
constraints, in effect forming stick figures (see Figure 11.8 ). The position and
orientation of each limb (a vector and a matrix) are then derived for rendering
purposes from the particle positions using various cross-products and vector nor-
malizations (making certain that knees and elbows bend naturally).
Figure 11.8. Ragdoll model using particles and sticks (used in Hitman: Codename 47 ).
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