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/*
* Simple Mechanics Simulator (SiMS)
* copyright (c) 2009 Jakob Odersky
* made available under the MIT License
*/
package sims.collision
import sims.dynamics._
/**Pair of shapes.*/
case class Pair(s1: Shape, s2: Shape){
override def equals(other: Any) = { //overriden to prevent removal during "GridDetector.getPairs"
other match {
case Pair(a, b) => ((a eq this.s1) && (b eq this.s2)) || ((b eq this.s1) && (a eq this.s2))
case _ => false
}
}
}
object Pair {
implicit def pair2Tuple(x: Pair) = (x.s1, x.s2)
}
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