void CircleObject::init(qreal centerX, qreal centerY, qreal radius, QRgb rgb, Qt::PenStyle lineType)
{
setData(OBJ_TYPE, type());
setData(OBJ_NAME, OBJ_NAME_CIRCLE);
//WARNING: DO NOT enable QGraphicsItem::ItemIsMovable. If it is enabled,
//WARNING: and the item is double clicked, the scene will erratically move the item while zooming.
//WARNING: All movement has to be handled explicitly by us, not by the scene.
setFlag(QGraphicsItem::ItemIsSelectable, true);
setObjectRadius(radius);
setObjectCenter(centerX, centerY);
setObjectColor(rgb);
setObjectLineType(lineType);
setObjectLineWeight(0.35); //TODO: pass in proper lineweight
setPen(objectPen());
updatePath();
}
//-----------------------------------------------------------------------
DynamicBlockObject::DynamicBlockObject( Scene* scene, IEntity* entity, Flt objectRadius )
:mEnable(false)
,mScene(scene)
,mBlockManager(NULL)
,mEntity(entity)
,mObjectRadius(objectRadius)
//,mObjectRadius(10)
,mCollideBlockObject(NULL)
,mStructureMode(false)
,mBlockDirty(true)
,mShowBlock(false)
,mStaticBlockEnable(false)
{
mBlockManager = scene->getBlockManager();
mEntity->getSceneNode()->addSceneNodeLisitener( "MGEngine_DynamicBlockObject", this );
setObjectRadius( mObjectRadius );
loadLocalBlockTriangle();
}
void CircleObject::setObjectArea(qreal area)
{
qreal radius = qSqrt(area/pi());
setObjectRadius(radius);
}
void CircleObject::updateRubber(QPainter* painter)
{
int rubberMode = objectRubberMode();
if(rubberMode == OBJ_RUBBER_CIRCLE_1P_RAD)
{
QPointF sceneCenterPoint = objectRubberPoint("CIRCLE_CENTER");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_RADIUS");
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemQSnapPoint = mapFromScene(sceneQSnapPoint);
QLineF itemLine(itemCenterPoint, itemQSnapPoint);
setObjectCenter(sceneCenterPoint);
QLineF sceneLine(sceneCenterPoint, sceneQSnapPoint);
qreal radius = sceneLine.length();
setObjectRadius(radius);
if(painter) painter->drawLine(itemLine);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_1P_DIA)
{
QPointF sceneCenterPoint = objectRubberPoint("CIRCLE_CENTER");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_DIAMETER");
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemQSnapPoint = mapFromScene(sceneQSnapPoint);
QLineF itemLine(itemCenterPoint, itemQSnapPoint);
setObjectCenter(sceneCenterPoint);
QLineF sceneLine(sceneCenterPoint, sceneQSnapPoint);
qreal diameter = sceneLine.length();
setObjectDiameter(diameter);
if(painter) painter->drawLine(itemLine);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_2P)
{
QPointF sceneTan1Point = objectRubberPoint("CIRCLE_TAN1");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_TAN2");
QLineF sceneLine(sceneTan1Point, sceneQSnapPoint);
setObjectCenter(sceneLine.pointAt(0.5));
qreal diameter = sceneLine.length();
setObjectDiameter(diameter);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_3P)
{
QPointF sceneTan1Point = objectRubberPoint("CIRCLE_TAN1");
QPointF sceneTan2Point = objectRubberPoint("CIRCLE_TAN2");
QPointF sceneTan3Point = objectRubberPoint("CIRCLE_TAN3");
double sceneCenterX;
double sceneCenterY;
getArcCenter(sceneTan1Point.x(), sceneTan1Point.y(),
sceneTan2Point.x(), sceneTan2Point.y(),
sceneTan3Point.x(), sceneTan3Point.y(),
&sceneCenterX, &sceneCenterY);
QPointF sceneCenterPoint(sceneCenterX, sceneCenterY);
QLineF sceneLine(sceneCenterPoint, sceneTan3Point);
setObjectCenter(sceneCenterPoint);
qreal radius = sceneLine.length();
setObjectRadius(radius);
updatePath();
}
}
void CircleObject::gripEdit(const QPointF& before, const QPointF& after)
{
if(before == objectCenter()) { QPointF delta = after-before; moveBy(delta.x(), delta.y()); }
else { setObjectRadius(QLineF(objectCenter(), after).length()); }
}
void CircleObject::updateRubber(QPainter* painter)
{
int rubberMode = objectRubberMode();
if(rubberMode == OBJ_RUBBER_CIRCLE_1P_RAD)
{
QPointF sceneCenterPoint = objectRubberPoint("CIRCLE_CENTER");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_RADIUS");
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemQSnapPoint = mapFromScene(sceneQSnapPoint);
QLineF itemLine(itemCenterPoint, itemQSnapPoint);
setObjectCenter(sceneCenterPoint);
QLineF sceneLine(sceneCenterPoint, sceneQSnapPoint);
qreal radius = sceneLine.length();
setObjectRadius(radius);
if(painter) drawRubberLine(itemLine, painter, VIEW_COLOR_CROSSHAIR);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_1P_DIA)
{
QPointF sceneCenterPoint = objectRubberPoint("CIRCLE_CENTER");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_DIAMETER");
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemQSnapPoint = mapFromScene(sceneQSnapPoint);
QLineF itemLine(itemCenterPoint, itemQSnapPoint);
setObjectCenter(sceneCenterPoint);
QLineF sceneLine(sceneCenterPoint, sceneQSnapPoint);
qreal diameter = sceneLine.length();
setObjectDiameter(diameter);
if(painter) drawRubberLine(itemLine, painter, VIEW_COLOR_CROSSHAIR);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_2P)
{
QPointF sceneTan1Point = objectRubberPoint("CIRCLE_TAN1");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_TAN2");
QLineF sceneLine(sceneTan1Point, sceneQSnapPoint);
setObjectCenter(sceneLine.pointAt(0.5));
qreal diameter = sceneLine.length();
setObjectDiameter(diameter);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_3P)
{
QPointF sceneTan1Point = objectRubberPoint("CIRCLE_TAN1");
QPointF sceneTan2Point = objectRubberPoint("CIRCLE_TAN2");
QPointF sceneTan3Point = objectRubberPoint("CIRCLE_TAN3");
double sceneCenterX;
double sceneCenterY;
getArcCenter(sceneTan1Point.x(), sceneTan1Point.y(),
sceneTan2Point.x(), sceneTan2Point.y(),
sceneTan3Point.x(), sceneTan3Point.y(),
&sceneCenterX, &sceneCenterY);
QPointF sceneCenterPoint(sceneCenterX, sceneCenterY);
QLineF sceneLine(sceneCenterPoint, sceneTan3Point);
setObjectCenter(sceneCenterPoint);
qreal radius = sceneLine.length();
setObjectRadius(radius);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_GRIP)
{
if(painter)
{
QPointF gripPoint = objectRubberPoint("GRIP_POINT");
if(gripPoint == objectCenter())
{
painter->drawEllipse(rect().translated(mapFromScene(objectRubberPoint(QString()))-mapFromScene(gripPoint)));
}
else
{
qreal gripRadius = QLineF(objectCenter(), objectRubberPoint(QString())).length();
painter->drawEllipse(QPointF(), gripRadius, gripRadius);
}
QLineF rubLine(mapFromScene(gripPoint), mapFromScene(objectRubberPoint(QString())));
drawRubberLine(rubLine, painter, VIEW_COLOR_CROSSHAIR);
}
}
}
