protected override void AddedToScene()
{
base.AddedToScene();
// Use the bounds to layout the positioning of our drawable assets
CCRect bounds = VisibleBoundsWorldspace;
// point to rotate around
origin = bounds.Center;
var originNode = new CCDrawNode();
originNode.DrawDot(origin, 10, new CCColor4F(CCColor4B.Magenta));
AddChild(originNode);
PositionMonkey();
rotateAround = new CCRotateAroundTo(2.0f, origin, 45, -1);
// Register for touch events
var touchListener = new CCEventListenerTouchAllAtOnce();
touchListener.OnTouchesEnded = OnTouchesEnded;
AddEventListener(touchListener, this);
}
public CCRotateAroundToState(CCRotateAroundTo action, CCNode target)
: base(action, target)
{
DistanceAngle = action.DistanceAngle;
Origin = action.Origin;
StartPosition = target.Position;
RotationDirection = action.RotationDirection;
offsetX = StartPosition.X - Origin.X;
offsetY = StartPosition.Y - Origin.Y;
// Calculate the Starting Angle of the target in relation to the Origin in which it is to rotate
// Math.Atan2 returns the mathematical angle which is counter-clockwise [-Math.PI, +Math.PI]
StartAngle = CCMathHelper.ToDegrees((float)Math.Atan2(offsetY, offsetX));
// Map value [0,360]
StartAngle = (StartAngle + 360) % 360;
// Now we work out how far we actually have to rotate
DiffAngle = DistanceAngle - StartAngle;
// Map value [0,360] and take into consideration the direction of rotation - CCW or CW
DiffAngle = (DiffAngle + 360 * RotationDirection) % 360;
theta = CCMathHelper.ToRadians(DiffAngle);
}
public CCRotateAroundToState(CCRotateAroundTo action, CCNode target)
: base(action, target)
{
DistanceAngle = action.DistanceAngle;
Origin = action.Origin;
StartPosition = target.Position;
RotationDirection = action.RotationDirection;
offsetX = StartPosition.X - Origin.X;
offsetY = StartPosition.Y - Origin.Y;
// Calculate the Starting Angle of the target in relation to the Origin in which it is to rotate
// Math.Atan2 returns the mathematical angle which is counter-clockwise [-Math.PI, +Math.PI]
StartAngle = CCMathHelper.ToDegrees((float)Math.Atan2(offsetY, offsetX));
// Map value [0,360]
StartAngle = (StartAngle + 360) % 360;
// Now we work out how far we actually have to rotate
DiffAngle = DistanceAngle - StartAngle;
// Map value [0,360] and take into consideration the direction of rotation - CCW or CW
DiffAngle = (DiffAngle + 360 * RotationDirection) % 360;
theta = CCMathHelper.ToRadians(DiffAngle);
}
protected override void AddedToScene()
{
base.AddedToScene();
// Use the bounds to layout the positioning of our drawable assets
CCRect bounds = VisibleBoundsWorldspace;
// point to rotate around
origin = bounds.Center;
var originNode = new CCDrawNode();
originNode.DrawDot(origin, 10, new CCColor4F(CCColor4B.Magenta));
AddChild(originNode);
PositionMonkey();
rotateAround = new CCRotateAroundTo(2.0f, origin, 45, -1);
// Register for touch events
var touchListener = new CCEventListenerTouchAllAtOnce();
touchListener.OnTouchesEnded = OnTouchesEnded;
AddEventListener(touchListener, this);
}
