ホイールにあたっている Collider
var wheel: WheelCollider; function Start() { wheel = GetComponent.<WheelCollider>(); }
// When attached to the WheelCollider, modifies tire friction based on // static friction of the ground material. function FixedUpdate() { var hit : WheelHit; if(wheel.GetGroundHit(hit)) { wheel.forwardFriction.stiffness = hit.collider.material.staticFriction; wheel.sidewaysFriction.stiffness = hit.collider.material.staticFriction; } }