public override void startWithTarget(CCNode target)
{
base.startWithTarget(target);
m_sConfig.controlPoint_1 = CCPointExtension.ccpSub(m_sConfig.controlPoint_1, m_startPosition);
m_sConfig.controlPoint_2 = CCPointExtension.ccpSub(m_sConfig.controlPoint_2, m_startPosition);
m_sConfig.endPosition = CCPointExtension.ccpSub(m_sConfig.endPosition, m_startPosition);
}
public override void ccTouchEnded(CCTouch touch, CCEvent eve)
{
CCPoint location = touch.locationInView(touch.view());
CCPoint convertedLocation = CCDirector.sharedDirector().convertToGL(location);
CCPoint pos = new CCPoint(0, 0);
if (m_background != null)
{
pos = m_background.convertToWorldSpace(new CCPoint(0, 0));
}
m_emitter.position = CCPointExtension.ccpSub(convertedLocation, pos);
}
public int check_for_error(CCPoint p1, CCPoint p2, CCPoint p3, CCPoint p4, float s, float t)
{
// the hit point is p3 + t * (p4 - p3);
// the hit point also is p1 + s * (p2 - p1);
CCPoint p4_p3 = CCPointExtension.ccpSub(p4, p3);
CCPoint p4_p3_t = CCPointExtension.ccpMult(p4_p3, t);
CCPoint hitPoint1 = CCPointExtension.ccpAdd(p3, p4_p3_t);
CCPoint p2_p1 = CCPointExtension.ccpSub(p2, p1);
CCPoint p2_p1_s = CCPointExtension.ccpMult(p2_p1, s);
CCPoint hitPoint2 = CCPointExtension.ccpAdd(p1, p2_p1_s);
// Since float has rounding errors, only check if diff is < 0.05
if ((Math.Abs(hitPoint1.x - hitPoint2.x) > 0.1f) || (Math.Abs(hitPoint1.y - hitPoint2.y) > 0.1f))
{
Debug.WriteLine("ERROR: (%f,%f) != (%f,%f)", hitPoint1.x, hitPoint1.y, hitPoint2.x, hitPoint2.y);
return(1);
}
return(0);
}
public override void startWithTarget(CCNode target)
{
base.startWithTarget(target);
m_startPosition = target.position;
m_delta = CCPointExtension.ccpSub(m_endPosition, m_startPosition);
}