Physics: skip inertia calculation for statics#3268
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PR Details
ICollider.TryAttachcomputes the shape's inertia unconditionally, but only bodies read it -StaticComponent.AttachInnerdiscards theshapeInertiaparameter unread. The waste is real for the non-trivial colliders:MeshCollider's inertia iterates over every triangle of the mesh, andCompoundCollideradditionally combines and inverts its children's inertia tensors inBuildDynamicCompound.This PR adds a
ShouldCalculateInertiaflag through the attach path so statics skip that workRelated Issue
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