src/net/habraun/sd/Integrator.scala

   1 /*
   2         Copyright (c) 2009 Hanno Braun <hanno@habraun.net>
   3
   4         Licensed under the Apache License, Version 2.0 (the "License");
   5         you may not use this file except in compliance with the License.
   6         You may obtain a copy of the License at
   7
   8                 http://www.apache.org/licenses/LICENSE-2.0
   9
  10         Unless required by applicable law or agreed to in writing, software
  11         distributed under the License is distributed on an "AS IS" BASIS,
  12         WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13         See the License for the specific language governing permissions and
  14         limitations under the License.
  15 */
  16
  17
  18
  19 package net.habraun.sd
  20
  21
  22
  23 /**
  24  * Integrates a body's position and velocity.
  25  */
  26
  27 trait Integrator extends Function2[Double, Body, Body] {
  28
  29         /**
  30          * Integrates a body. This function takes the following parameters:
  31          * t: The time step.
  32          * body: The body to integrate.
  33          *
  34          * The function returns the body it integrated.
  35          */
  36
  37         def apply(t: Double, body: Body): Body
  38 }