1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/animpoint.cpp Thu Mar 05 09:33:30 2009 +0000
1.3 @@ -0,0 +1,131 @@
1.4 +#include "animpoint.h"
1.5 +
1.6 +#include <math.h>
1.7 +
1.8 +AnimPoint::AnimPoint()
1.9 +{
1.10 + init();
1.11 +}
1.12 +
1.13 +void AnimPoint::operator= ( const AnimPoint & other )
1.14 +{
1.15 + copy (other);
1.16 +}
1.17 +
1.18 +void AnimPoint::operator= ( const QPointF & other )
1.19 +{
1.20 + init();
1.21 + setX (other.x() );
1.22 + setY (other.x() );
1.23 +}
1.24 +
1.25 +bool AnimPoint::operator== ( const QPointF& other )
1.26 +{
1.27 + QPointF p( x(),y());
1.28 + return p == other;
1.29 +}
1.30 +
1.31 +bool AnimPoint::operator== ( AnimPoint other )
1.32 +{
1.33 + if (rx() != other.rx() ) return false;
1.34 + if (ry() != other.ry() ) return false;
1.35 + if (startPos != other.startPos) return false;
1.36 + if (destPos != other.destPos) return false;
1.37 + if (animated != other.animated ) return false;
1.38 +
1.39 + return true;
1.40 +}
1.41 +
1.42 +void AnimPoint::init ()
1.43 +{
1.44 + animated=false;
1.45 + n=0;
1.46 + startPos=QPointF(0,0);
1.47 + destPos=QPointF(0,0);
1.48 + vector=QPointF(0,0);
1.49 + animTicks=10;
1.50 +}
1.51 +
1.52 +void AnimPoint::copy (AnimPoint other)
1.53 +{
1.54 + setX (other.x() );
1.55 + setY (other.x() );
1.56 + startPos=other.startPos;
1.57 + destPos=other.destPos;
1.58 + vector=other.vector;
1.59 + animated=other.animated;
1.60 + n=other.n;
1.61 + animTicks=other.animTicks;
1.62 +}
1.63 +
1.64 +void AnimPoint::setStart(const QPointF &p)
1.65 +{
1.66 + startPos=p;
1.67 + initVector();
1.68 +}
1.69 +
1.70 +QPointF AnimPoint::getStart()
1.71 +{
1.72 + return startPos;
1.73 +}
1.74 +
1.75 +
1.76 +void AnimPoint::setDest(const QPointF &p)
1.77 +{
1.78 + destPos=p;
1.79 + initVector();
1.80 +}
1.81 +
1.82 +QPointF AnimPoint::getDest()
1.83 +{
1.84 + return destPos;
1.85 +}
1.86 +
1.87 +void AnimPoint::setTicks (const uint &t)
1.88 +{
1.89 + animTicks=t;
1.90 +}
1.91 +
1.92 +uint AnimPoint::getTicks()
1.93 +{
1.94 + return animTicks;
1.95 +}
1.96 +
1.97 +void AnimPoint::setAnimated(bool b)
1.98 +{
1.99 + animated=b;
1.100 + if (b) n=0;
1.101 +}
1.102 +
1.103 +bool AnimPoint::isAnimated()
1.104 +{
1.105 + return animated;
1.106 +}
1.107 +
1.108 +bool AnimPoint::animate()
1.109 +{
1.110 + if (!animated) return animated;
1.111 + n++;
1.112 + if (n>animTicks)
1.113 + {
1.114 + vector=QPointF(0,0);
1.115 + animated=false;
1.116 + return animated;
1.117 + }
1.118 +
1.119 + // Some math slow down the movement
1.120 + qreal f=1-n/animTicks;
1.121 + qreal ff=1-f*f*f;
1.122 + setX (startPos.x() + vector.x()*ff );
1.123 + setY (startPos.y() + vector.y()*ff );
1.124 +
1.125 + return animated;
1.126 +}
1.127 +
1.128 +void AnimPoint::initVector()
1.129 +{
1.130 + vector.setX (destPos.x()-startPos.x() );
1.131 + vector.setY (destPos.y()-startPos.y() );
1.132 +}
1.133 +
1.134 +