54 lines
1019 B
C++
54 lines
1019 B
C++
#include "..\e2daction.h"
|
|
#include "..\e2dnode.h"
|
|
|
|
e2d::JumpBy::JumpBy(double duration, const Vector & vec, double height, int jumps)
|
|
: FiniteTimeAction(duration)
|
|
, _deltaPos(vec)
|
|
, _height(height)
|
|
, _jumps(jumps)
|
|
{
|
|
}
|
|
|
|
e2d::JumpBy * e2d::JumpBy::clone() const
|
|
{
|
|
return GC::create<JumpBy>(_duration, _deltaPos, _height, _jumps);
|
|
}
|
|
|
|
e2d::JumpBy * e2d::JumpBy::reverse() const
|
|
{
|
|
return GC::create<JumpBy>(_duration, -_deltaPos, _height, _jumps);
|
|
}
|
|
|
|
void e2d::JumpBy::_init()
|
|
{
|
|
FiniteTimeAction::_init();
|
|
|
|
if (_target)
|
|
{
|
|
_prevPos = _startPos = _target->getPos();
|
|
}
|
|
}
|
|
|
|
void e2d::JumpBy::_update()
|
|
{
|
|
FiniteTimeAction::_update();
|
|
|
|
if (_target)
|
|
{
|
|
double frac = fmod(_delta * _jumps, 1.0);
|
|
double x = _deltaPos.x * _delta;
|
|
double y = _height * 4 * frac * (1 - frac);
|
|
y += _deltaPos.y * _delta;
|
|
|
|
Point currentPos = _target->getPos();
|
|
|
|
Vector diff = currentPos - _prevPos;
|
|
_startPos = diff + _startPos;
|
|
|
|
Point newPos = _startPos + Vector(x, y);
|
|
_target->setPos(newPos);
|
|
|
|
_prevPos = newPos;
|
|
}
|
|
}
|