void HandleMoveCircle (CCTouch touch)
{
const float timeToTake = 1.5f; // in seconds
CCFiniteTimeAction coreAction = null;
// By default all actions will be added directly to the
// root node - it has values for Position, Scale, and Rotation.
CCNode nodeToAddTo = drawNodeRoot;
switch (VariableOptions [currentVariableIndex]) {
case "Position":
coreAction = new CCMoveTo(timeToTake, touch.Location);
break;
case "Scale":
var distance = CCPoint.Distance (touch.Location, drawNodeRoot.Position);
var desiredScale = distance / DefaultCircleRadius;
coreAction = new CCScaleTo (timeToTake, desiredScale);
break;
case "Rotation":
float differenceY = touch.Location.Y - drawNodeRoot.PositionY;
float differenceX = touch.Location.X - drawNodeRoot.PositionX;
float angleInDegrees = -1 * CCMathHelper.ToDegrees (
(float)Math.Atan2 (differenceY, differenceX));
coreAction = new CCRotateTo (timeToTake, angleInDegrees);
break;
case "LineWidth":
coreAction = new LineWidthAction (timeToTake, touch.Location.X / 40f);
// The LineWidthAction is a special action designed to work only on
// LineNode instances, so we have to set the nodeToAddTo to the lineNode:
nodeToAddTo = lineNode;
break;
}
CCAction easing = null;
switch (EasingOptions [currentEasingIndex]) {
case "CCEaseBack":
if (currentInOutIndex == 0)
easing = new CCEaseBackOut (coreAction);
else if (currentInOutIndex == 1)
easing = new CCEaseBackIn (coreAction);
else
easing = new CCEaseBackInOut (coreAction);
break;
case "CCEaseBounce":
if (currentInOutIndex == 0)
easing = new CCEaseBounceOut (coreAction);
else if (currentInOutIndex == 1)
easing = new CCEaseBounceIn (coreAction);
else
easing = new CCEaseBounceInOut (coreAction);
break;
case "CCEaseElastic":
if (currentInOutIndex == 0)
easing = new CCEaseElasticOut (coreAction);
else if (currentInOutIndex == 1)
easing = new CCEaseElasticIn (coreAction);
else
easing = new CCEaseElasticInOut (coreAction);
break;
case "CCEaseExponential":
if (currentInOutIndex == 0)
easing = new CCEaseExponentialOut (coreAction);
else if (currentInOutIndex == 1)
easing = new CCEaseExponentialIn (coreAction);
else
easing = new CCEaseExponentialInOut (coreAction);
break;
case "CCEaseSine":
if (currentInOutIndex == 0)
easing = new CCEaseSineOut (coreAction);
else if (currentInOutIndex == 1)
easing = new CCEaseSineIn (coreAction);
else
easing = new CCEaseSineInOut (coreAction);
break;
}
nodeToAddTo.AddAction (easing ?? coreAction);
}
}
