PositionBasedDynamics/Simulation/Simulation.cpp at python_bindings · InteractiveComputerGraphics/PositionBasedDynamics · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
#include "Simulation.h"
#include "TimeManager.h"
#include "Utils/Timing.h"
#include "TimeStep.h"
#include "TimeStepController.h"

using namespace PBD;
using namespace std;
using namespace GenParam;

Simulation* Simulation::current = nullptr;
int Simulation::GRAVITATION = -1;

Simulation::Simulation ()
{
	m_gravitation = Vector3r(0.0, -9.81, 0.0);

	m_timeStep = nullptr;
}

Simulation::~Simulation ()
{
	delete m_timeStep;
	delete TimeManager::getCurrent();

	current = nullptr;
}

Simulation* Simulation::getCurrent ()
{
	if (current == nullptr)
	{
		current = new Simulation ();
		current->init();
	}
	return current;
}

void Simulation::setCurrent (Simulation* tm)
{
	current = tm;
}

bool Simulation::hasCurrent()
{
	return (current != nullptr);
}

void Simulation::init()
{
	initParameters();

	m_timeStep = new TimeStepController();
	m_timeStep->init();
	TimeManager::getCurrent()->setTimeStepSize(static_cast<Real>(0.005));
}

void Simulation::initParameters()
{
	ParameterObject::initParameters();

 	GRAVITATION = createVectorParameter("gravitation", "Gravitation", 3u, m_gravitation.data());
 	setGroup(GRAVITATION, "Simulation");
 	setDescription(GRAVITATION, "Vector to define the gravitational acceleration.");
}

void Simulation::reset()
{
	m_model->reset();
	if (m_timeStep)
		m_timeStep->reset();

	TimeManager::getCurrent()->setTime(static_cast<Real>(0.0));
}