animpoint.cpp
author insilmaril
Mon, 14 Dec 2009 10:17:55 +0000
changeset 817 b486ffd0fa11
parent 767 6d2b32f305f9
child 826 e715694b0f47
permissions -rw-r--r--
Bugfix for relinking mainbranches
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#include "animpoint.h"
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#include <math.h>
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AnimPoint::AnimPoint()
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{
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	init();
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}
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void AnimPoint::operator= ( const AnimPoint & other )
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{
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	copy (other);
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}
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void AnimPoint::operator= ( const QPointF & other )
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{
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	init();
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	setX (other.x() );
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	setY (other.x() );
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}
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bool AnimPoint::operator== ( const QPointF& other )
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{
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	QPointF p( x(),y());
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	return p == other;
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}
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bool AnimPoint::operator== ( AnimPoint  other )
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{
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    if (rx() != other.rx() ) return false;
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    if (ry() != other.ry() ) return false;
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	if (startPos != other.startPos) return false;
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	if (destPos  != other.destPos) return false;
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    if (animated != other.animated ) return false;
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	return true;
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}
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void AnimPoint::init ()
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{
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	animated=false;
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	n=0;
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	startPos=QPointF(0,0);
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	destPos=QPointF(0,0);
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	vector=QPointF(0,0);
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	animTicks=10;
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}
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void AnimPoint::copy (AnimPoint other)
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{
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	setX (other.x() );
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	setY (other.x() );
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	startPos=other.startPos;
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	destPos=other.destPos;
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	vector=other.vector;
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	animated=other.animated;
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	n=other.n;
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	animTicks=other.animTicks;
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}
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void AnimPoint::setStart(const QPointF &p)
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{
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	startPos=p;
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	initVector();
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}
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QPointF AnimPoint::getStart()
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{
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	return startPos;
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}
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void AnimPoint::setDest(const QPointF &p)
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{
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	destPos=p;
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	initVector();
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}
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QPointF AnimPoint::getDest()
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{
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	return destPos;
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}
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void AnimPoint::setTicks (const uint &t)
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{
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	animTicks=t;
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}
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uint AnimPoint::getTicks()
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{
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	return (uint) animTicks;
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}
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void AnimPoint::setAnimated(bool b)
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{
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	animated=b;
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	if (b) n=0;
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}
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bool AnimPoint::isAnimated()
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{
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	return animated;
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}
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bool AnimPoint::animate()
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{
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	if (!animated) return animated;
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	n++;
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	if (n>animTicks)
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	{
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		vector=QPointF(0,0);
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		animated=false;
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		setX (destPos.x() );
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		setY (destPos.y() );
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		return animated;
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	}
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	// Some math to slow down the movement in the end
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	qreal f=1-n/animTicks;
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	qreal ff=1-f*f*f;
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	setX (startPos.x() + vector.x()*ff );
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	setY (startPos.y() + vector.y()*ff );
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	return animated;
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}
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void AnimPoint::initVector()
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{
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	vector.setX (destPos.x()-startPos.x() );
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	vector.setY (destPos.y()-startPos.y() );
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}
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