ANIMATING THE ESCAPE RESPONSE OF STOMPHIA COCCINEA FROM DERMASTERIAS IMBRICATA MODELED USING IMPLICIT SURFACES

Many of themostinterestingbehaviors in thebiologicalworld have to do with interactionsbetweenspecies.The predator -prey interactionsamongaquaticorganismsis an interestingpart of the naturalworld which hasnot been seenmuchin computeranimation.This paperexplorestheinteractionbetweenvariousseaanemonesandthestarfish Dermasterias imbricata. Althougha simulationbetweena specificseaanemone, Stomphia coccinea to Dermasterias imbricata wascreated,an approachwas taken suchthat differentanemonescanwith minor parameterchangesbe usedto replaceS. coccinea. Theanimationwascreatedusinga parametrickeyframeapproachof proceduralmodels. The anemoneandstarfishweremodeledusingthe BlobTree . The implicit modelwithin the systemis definedasa hierarchicalcompositionof multiple objects.Usinga hierarchicalconstructionof themodel,we canrefinethemodel locally anddeformit globallywhile maintainingtheintegrity of surfacedetails.

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