| author | insilmaril |
| Tue, 07 Jul 2009 11:21:27 +0000 | |
| changeset 780 | fe839bdfd10c |
| parent 767 | 6d2b32f305f9 |
| child 826 | e715694b0f47 |
| permissions | -rw-r--r-- |
| insilmaril@461 | 1 |
#include "animpoint.h" |
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|
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#include <math.h> |
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|
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AnimPoint::AnimPoint() |
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{
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init(); |
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} |
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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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|
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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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|
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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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|
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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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|
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return true; |
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} |
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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return animated; |
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} |
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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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