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Viewing changes to source/Irrlicht/CSceneNodeAnimatorFlyCircle.cpp

  • Committer: Mantas Kriaučiūnas
  • Date: 2011-07-18 13:06:25 UTC
  • Revision ID: mantas@akl.lt-20110718130625-c5pvifp61e7kj1ol
Included whole irrlicht SVN libraries to work around launchpad recipe issue with quilt, see https://answers.launchpad.net/launchpad/+question/165193

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source/Irrlicht/CSceneNodeAnimatorFlyCircle.cpp
 
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// Copyright (C) 2002-2011 Nikolaus Gebhardt
 
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// This file is part of the "Irrlicht Engine".
 
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// For conditions of distribution and use, see copyright notice in irrlicht.h
 
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#include "CSceneNodeAnimatorFlyCircle.h"
 
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namespace irr
 
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{
 
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namespace scene
 
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{
 
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//! constructor
 
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CSceneNodeAnimatorFlyCircle::CSceneNodeAnimatorFlyCircle(u32 time,
 
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                const core::vector3df& center, f32 radius, f32 speed,
 
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                const core::vector3df& direction, f32 radiusEllipsoid)
 
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        : Center(center), Direction(direction), Radius(radius),
 
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        RadiusEllipsoid(radiusEllipsoid), Speed(speed), StartTime(time)
 
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{
 
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        #ifdef _DEBUG
 
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        setDebugName("CSceneNodeAnimatorFlyCircle");
 
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        #endif
 
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        init();
 
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}
 
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void CSceneNodeAnimatorFlyCircle::init()
 
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{
 
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        Direction.normalize();
 
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        if (Direction.Y != 0)
 
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                VecV = core::vector3df(50,0,0).crossProduct(Direction).normalize();
 
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        else
 
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                VecV = core::vector3df(0,50,0).crossProduct(Direction).normalize();
 
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        VecU = VecV.crossProduct(Direction).normalize();
 
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}
 
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//! animates a scene node
 
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void CSceneNodeAnimatorFlyCircle::animateNode(ISceneNode* node, u32 timeMs)
 
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{
 
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        if ( 0 == node )
 
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                return;
 
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        f32 time;
 
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        // Check for the condition where the StartTime is in the future.
 
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        if(StartTime > timeMs)
 
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                time = ((s32)timeMs - (s32)StartTime) * Speed;
 
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        else
 
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                time = (timeMs-StartTime) * Speed;
 
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//      node->setPosition(Center + Radius * ((VecU*cosf(time)) + (VecV*sinf(time))));
 
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        f32 r2 = RadiusEllipsoid == 0.f ? Radius : RadiusEllipsoid;
 
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        node->setPosition(Center + (Radius*cosf(time)*VecU) + (r2*sinf(time)*VecV ) );
 
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}
 
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//! Writes attributes of the scene node animator.
 
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void CSceneNodeAnimatorFlyCircle::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
 
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{
 
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        out->addVector3d("Center", Center);
 
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        out->addFloat("Radius", Radius);
 
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        out->addFloat("Speed", Speed);
 
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        out->addVector3d("Direction", Direction);
 
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        out->addFloat("RadiusEllipsoid", Radius);
 
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}
 
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//! Reads attributes of the scene node animator.
 
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void CSceneNodeAnimatorFlyCircle::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
 
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{
 
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        Center = in->getAttributeAsVector3d("Center");
 
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        Radius = in->getAttributeAsFloat("Radius");
 
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        Speed = in->getAttributeAsFloat("Speed");
 
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        Direction = in->getAttributeAsVector3d("Direction");
 
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        StartTime = 0;
 
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        if (Direction.equals(core::vector3df(0,0,0)))
 
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                Direction.set(0,1,0); // irrlicht 1.1 backwards compatibility
 
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        else
 
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                Direction.normalize();
 
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        RadiusEllipsoid = in->getAttributeAsFloat("RadiusEllipsoid");
 
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        init();
 
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}
 
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ISceneNodeAnimator* CSceneNodeAnimatorFlyCircle::createClone(ISceneNode* node, ISceneManager* newManager)
 
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{
 
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        CSceneNodeAnimatorFlyCircle * newAnimator = 
 
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                new CSceneNodeAnimatorFlyCircle(StartTime, Center, Radius, Speed, Direction, RadiusEllipsoid);
 
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        return newAnimator;
 
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}
 
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} // end namespace scene
 
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} // end namespace irr
 
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