/* This file is part of the source code for 3D-XplorMath-J, Version 1.0 (January 2008). * Copyright (c) 2008 The 3D-XplorMath Consortium (http://3d-xplormath.org). * This source code is released under a BSD License, which allows redistribution * in source and binary form, with or without modification, provided copyright * and license information are included, and with no warranty or guarantee of * any kind. For details, see http://3d-xplormath.org/j/source/BSDLicense.txt */ package vmm.ode.secondorder3D; import vmm.core.VariableParamAnimateable; import vmm.core3D.UserExhibit3D; import vmm.core3D.Vector3D; public class UserODE2ndOrder3DNonAutonomous extends ODE2ndOrder3DNonAutonomous implements UserExhibit3D { private UserExhibit3D.Support userExhibitSupport; private UserExhibit3D.FunctionInfo f1, f2, f3; public UserODE2ndOrder3DNonAutonomous() { userExhibitSupport = new UserExhibit3D.Support(this); userExhibitSupport.addFunctionParameter(new VariableParamAnimateable("a",1)); userExhibitSupport.addFunctionParameter(new VariableParamAnimateable("b",0.5,0,1)); userExhibitSupport.addFunctionParameter(new VariableParamAnimateable("c",1)); f1 = userExhibitSupport.addRealFunction("x''", "-(a^2 + b*sin(t)) * x", "x", "y", "z", "x'", "y'", "z'", "t"); f2 = userExhibitSupport.addRealFunction("y''", "-(a^2 + b*sin(t + c)) * y", "x", "y", "z", "x'", "y'", "z'", "t"); f3 = userExhibitSupport.addRealFunction("z''", "-(a^2 + b*sin(t + c*2)) * z", "x", "y", "z", "x'", "y'", "z'", "t"); initialDataDefault = new double[] { 0, 1, 1, 1, 0, 0, 0 }; setDefaultWindow(-5,5,-5,5); setDefaultViewpoint(new Vector3D(10,-10,10)); } public UserExhibit3D.Support getUserExhibitSupport() { return userExhibitSupport; } protected double xdotdot(double x, double y, double z, double xdot, double ydot, double zdot, double t) { return f1.realFunctionValue(x,y,z,xdot,ydot,zdot,t); } protected double ydotdot(double x, double y, double z, double xdot, double ydot, double zdot, double t) { return f2.realFunctionValue(x,y,z,xdot,ydot,zdot,t); } protected double zdotdot(double x, double y, double z, double xdot, double ydot, double zdot, double t) { return f3.realFunctionValue(x,y,z,xdot,ydot,zdot,t); } }