blob: 2ab1d3a9bd25c7e35247bfb67f3cc48bce76595c (
plain)
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
|
#include "segment_interpolation.hpp"
namespace anim
{
SegmentInterpolation::SegmentInterpolation(m2::PointD const & startPt,
m2::PointD const & endPt,
double interval,
m2::PointD & outPt)
: m_startPt(startPt),
m_endPt(endPt),
m_outPt(outPt),
m_interval(interval)
{}
void SegmentInterpolation::OnStart(double ts)
{
m_startTime = ts;
m_outPt = m_startPt;
Task::OnStart(ts);
}
void SegmentInterpolation::OnStep(double ts)
{
if (ts - m_startTime >= m_interval)
{
End();
return;
}
if (!IsRunning())
return;
double elapsedSec = ts - m_startTime;
m2::PointD deltaPt = m_endPt - m_startPt;
m_outPt = m_startPt + deltaPt * (elapsedSec / m_interval);
Task::OnStep(ts);
}
void SegmentInterpolation::OnEnd(double ts)
{
// ensuring that the final value was reached
m_outPt = m_endPt;
Task::OnEnd(ts);
}
}
|