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git-svn-id: https://reactphysics3d.googlecode.com/svn/trunk@202 92aac97c-a6ce-11dd-a772-7fcde58d38e6

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chappuis.daniel 2009-10-08 21:43:14 +00:00
parent 8a465f3868
commit b036b0e9ab
1 changed files with 7 additions and 7 deletions
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14
sources/reactphysics3d/integration/RungeKutta4.cpp
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@ -18,29 +18,29 @@
***************************************************************************/
// Libraries
#include "RK4.h"
#include "RungeKutta4.h"
#include <cassert>
// We want to use the ReactPhysics3D namespace
using namespace reactphysics3d;
// Constructor
RK4::RK4() {
RungeKutta4::RungeKutta4() {
}
// Copy-constructor
RK4::RK4(const RK4& rk4) {
RungeKutta4::RungeKutta4(const RungeKutta4& rk4) {
}
// Destructor
RK4::~RK4() {
RungeKutta4::~RungeKutta4() {
}
// Compute a derivative body state at time t
DerivativeBodyState RK4::evaluate(const BodyState& bodyState, const Time& time) {
DerivativeBodyState RungeKutta4::evaluate(const BodyState& bodyState, const Time& time) {
// Compute the derivaties values at time t
Vector3D linearVelocity = bodyState.getLinearVelocity();
@ -53,7 +53,7 @@ DerivativeBodyState RK4::evaluate(const BodyState& bodyState, const Time& time)
}
// Compute a derivative body state at time t + dt according to the last derivative body state
DerivativeBodyState RK4::evaluate(BodyState bodyState, const Time& time, const Time& timeStep,
DerivativeBodyState RungeKutta4::evaluate(BodyState bodyState, const Time& time, const Time& timeStep,
const DerivativeBodyState& lastDerivativeBodyState) {
// Compute the bodyState at time t + dt
bodyState.computeAtTime(timeStep, lastDerivativeBodyState);
@ -69,7 +69,7 @@ DerivativeBodyState RK4::evaluate(BodyState bodyState, const Time& time, const T
}
// Integrate a body state over time. This method use the RK4 integration algorithm
void RK4::integrate(BodyState& bodyState, const Time& time, const Time& timeStep) {
void RungeKutta4::integrate(BodyState& bodyState, const Time& time, const Time& timeStep) {
// Compute the 4 derivatives body states at different time values.
DerivativeBodyState a = evaluate(bodyState, time);