/** creates an action with a Cardinal Spline array of points and tension */
public static CCCatmullRomBy create(float dt, CCPointArray points)
{
CCCatmullRomBy by = new CCCatmullRomBy();
by.initWithDuration(dt, points);
return(by);
}
/** creates an action with a Cardinal Spline array of points and tension */
public static CCCardinalSplineTo create(float duration, CCPointArray points, float tension)
{
CCCardinalSplineTo ret = new CCCardinalSplineTo();
ret.initWithDuration(duration, points, tension);
return(ret);
}
/** initializes the action with a duration and an array of points */
public virtual bool initWithDuration(float dt, CCPointArray points)
{
if (base.initWithDuration(dt, points, 0.5f))
{
return(true);
}
return(false);
}
/** initializes the action with a duration and an array of points */
public virtual bool initWithDuration(float duration, CCPointArray points, float tension)
{
if (points == null || points.count() == 0)
{
return(false);
}
if (base.initWithDuration(duration))
{
setPoints(points);
m_fTension = tension;
return(true);
}
return(false);
}
public virtual CCActionInterval reverse()
{
CCPointArray copyConfig = (CCPointArray)m_pPoints.copy();
//
// convert "absolutes" to "diffs"
//
CCPoint p = copyConfig.getControlPointAtIndex(0);
for (int i = 1; i < copyConfig.count(); ++i)
{
CCPoint current = copyConfig.getControlPointAtIndex(i);
CCPoint diff = current.Sub(p);
copyConfig.replaceControlPoint(diff, i);
p = current;
}
// convert to "diffs" to "reverse absolute"
CCPointArray pReverse = copyConfig.reverse();
// 1st element (which should be 0,0) should be here too
p = pReverse.getControlPointAtIndex(pReverse.count() - 1);
pReverse.removeControlPointAtIndex(pReverse.count() - 1);
p = p.Neg();
pReverse.insertControlPoint(p, 0);
for (int i = 1; i < pReverse.count(); ++i)
{
CCPoint current = pReverse.getControlPointAtIndex(i);
current = current.Neg();
CCPoint abs = current.Add(p);
pReverse.replaceControlPoint(abs, i);
p = abs;
}
return(CCCardinalSplineBy.create(m_fDuration, pReverse, m_fTension));
}
/** creates an action with a Cardinal Spline array of points and tension
* @deprecated: This interface will be deprecated sooner or later.
*/
public static new CCCardinalSplineTo actionWithDuration(float duration, CCPointArray points, float tension)
{
return(CCCardinalSplineTo.create(duration, points, tension));
}
public virtual void setPoints(CCPointArray points)
{
m_pPoints = points;
}
public virtual CCActionInterval reverse()
{
CCPointArray pReverse = m_pPoints.reverse();
return(CCCardinalSplineTo.create(m_fDuration, pReverse, m_fTension));
}
public CCPointArray copy()
{
CCPointArray copy = new CCPointArray(m_pControlPoints);
return(copy);
}
/** creates an action with a Cardinal Spline array of points and tension
*/
public static CCCatmullRomBy actionWithDuration(float dt, CCPointArray points)
{
return(CCCatmullRomBy.create(dt, points));
}
