mirror of
https://github.com/minetest/irrlicht.git
synced 2024-11-16 23:40:25 +01:00
8310a3fbad
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
|
|
// This file is part of the "Irrlicht Engine".
|
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
|
|
|
#include "CSceneNodeAnimatorFlyCircle.h"
|
|
|
|
namespace irr
|
|
{
|
|
namespace scene
|
|
{
|
|
|
|
|
|
//! constructor
|
|
CSceneNodeAnimatorFlyCircle::CSceneNodeAnimatorFlyCircle(u32 time,
|
|
const core::vector3df& center, f32 radius, f32 speed,
|
|
const core::vector3df& direction, f32 radiusEllipsoid)
|
|
: Center(center), Direction(direction), Radius(radius),
|
|
RadiusEllipsoid(radiusEllipsoid), Speed(speed)
|
|
{
|
|
#ifdef _DEBUG
|
|
setDebugName("CSceneNodeAnimatorFlyCircle");
|
|
#endif
|
|
|
|
StartTime = time;
|
|
|
|
init();
|
|
}
|
|
|
|
|
|
void CSceneNodeAnimatorFlyCircle::init()
|
|
{
|
|
Direction.normalize();
|
|
|
|
if (Direction.Y != 0)
|
|
VecV = core::vector3df(50,0,0).crossProduct(Direction).normalize();
|
|
else
|
|
VecV = core::vector3df(0,50,0).crossProduct(Direction).normalize();
|
|
VecU = VecV.crossProduct(Direction).normalize();
|
|
}
|
|
|
|
|
|
//! animates a scene node
|
|
void CSceneNodeAnimatorFlyCircle::animateNode(ISceneNode* node, u32 timeMs)
|
|
{
|
|
if ( 0 == node )
|
|
return;
|
|
|
|
f32 time;
|
|
|
|
// Check for the condition where the StartTime is in the future.
|
|
if(StartTime+PauseTimeSum > timeMs)
|
|
time = ((s32)timeMs - (s32)(StartTime+PauseTimeSum)) * Speed;
|
|
else
|
|
time = (timeMs-(StartTime+PauseTimeSum)) * Speed;
|
|
|
|
// node->setPosition(Center + Radius * ((VecU*cosf(time)) + (VecV*sinf(time))));
|
|
f32 r2 = RadiusEllipsoid == 0.f ? Radius : RadiusEllipsoid;
|
|
node->setPosition(Center + (Radius*cosf(time)*VecU) + (r2*sinf(time)*VecV ) );
|
|
}
|
|
|
|
|
|
//! Writes attributes of the scene node animator.
|
|
void CSceneNodeAnimatorFlyCircle::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
|
|
{
|
|
ISceneNodeAnimator::serializeAttributes(out, options);
|
|
|
|
out->addVector3d("Center", Center);
|
|
out->addFloat("Radius", Radius);
|
|
out->addFloat("Speed", Speed);
|
|
out->addVector3d("Direction", Direction);
|
|
out->addFloat("RadiusEllipsoid", RadiusEllipsoid);
|
|
}
|
|
|
|
|
|
//! Reads attributes of the scene node animator.
|
|
void CSceneNodeAnimatorFlyCircle::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
|
|
{
|
|
ISceneNodeAnimator::deserializeAttributes(in, options);
|
|
|
|
Center = in->getAttributeAsVector3d("Center");
|
|
Radius = in->getAttributeAsFloat("Radius");
|
|
Speed = in->getAttributeAsFloat("Speed");
|
|
Direction = in->getAttributeAsVector3d("Direction");
|
|
|
|
if (Direction.equals(core::vector3df(0,0,0)))
|
|
Direction.set(0,1,0); // irrlicht 1.1 backwards compatibility
|
|
else
|
|
Direction.normalize();
|
|
|
|
RadiusEllipsoid = in->getAttributeAsFloat("RadiusEllipsoid");
|
|
init();
|
|
}
|
|
|
|
|
|
ISceneNodeAnimator* CSceneNodeAnimatorFlyCircle::createClone(ISceneNode* node, ISceneManager* newManager)
|
|
{
|
|
CSceneNodeAnimatorFlyCircle * newAnimator =
|
|
new CSceneNodeAnimatorFlyCircle(StartTime, Center, Radius, Speed, Direction, RadiusEllipsoid);
|
|
newAnimator->cloneMembers(this);
|
|
|
|
return newAnimator;
|
|
}
|
|
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|
|
|