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Intersection and Collision Algorithms.

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/*
 * Simplex3dAlgorithm - Intersection Module
 * Copyright (C) 2011, Aleksey Nikiforov
 *
 * This file is part of Simplex3dAlgorithm.
 *
 * Simplex3dAlgorithm is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Simplex3dAlgorithm is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 */

package simplex3d.algorithm.intersection


// An empty class to make -Xno-forwarders work
private[intersection] class Util


private[intersection] object Util {
  
  def axisAlignedComponentTest(dmin: Double, dmax: Double, smin: Double, smax: Double) :Double = {
    if (dmin < smin) {
      if (dmax > smin) {
        val left = dmax - smin
        val right = smax - dmin
        if (left < right) -left else right
      }
      else 0
    }
    else {
      if (dmin < smax) {
        val left = dmax - smin
        val right = smax - dmin
        if (left < right) -left else right
      }
      else 0
    }
  }
  
}