/// <summary>
///
/// </summary>
/// <param name="vel"></param>
/// <param name="dt"></param>
public void UpdateWithVelocity(CCPoint vel, float dt)
{
CCSize screen = CCDirector.SharedDirector.WinSize;
CCPoint vel2 = vel * PTMRatio;
for (int i = m_ScrollOffsets.Count - 1; i >= 0; i--)
{
CCParallaxScrollOffset scrollOffset = m_ScrollOffsets[i];
CCNode child = scrollOffset.Child;
CCPoint relVel = scrollOffset.RelativeVelocity * PTMRatio;
CCPoint totalVel = vel2 + relVel;
CCPoint offset = (totalVel * dt);
offset = offset * scrollOffset.Ratio;
child.Position = child.Position + offset;
if ((vel2.X < 0f && child.Position.X + child.ContentSize.Width < 0) ||
(vel2.X > 0 && child.Position.X > screen.Width))
{
child.Position = child.Position + new CCPoint((vel2.X < 0f ? 1 : -1) * Math.Abs(scrollOffset.Offset.X), 0f);
}
// Positive y indicates upward movement in cocos2d
if ((vel2.Y < 0 && child.Position.Y + child.ContentSize.Height < 0f) ||
(vel2.Y > 0 && child.Position.Y > screen.Height))
{
child.Position = child.Position + new CCPoint(0f, (vel2.Y < 0f ? 1f : -1f) * Math.Abs(scrollOffset.Offset.Y));
}
}
}
/// <summary>
///
/// </summary>
/// <param name="y"></param>
/// <param name="dt"></param>
public void UpdateWithYPosition(float y, float dt)
{
for (int i = m_ScrollOffsets.Count - 1; i >= 0; i--)
{
CCParallaxScrollOffset scrollOffset = m_ScrollOffsets[i];
CCNode child = scrollOffset.Child;
float offset = y * scrollOffset.Ratio.Y;//ccpCompMult(pos, scrollOffset.ratio);
child.Position = new CCPoint(child.Position.X, scrollOffset.OriginalPosition.Y + offset);
}
}
public void AddChild(CCSprite node, int z, CCPoint r, CCPoint p, CCPoint s, CCPoint v)
{
node.AnchorPoint = CCPoint.Zero;
CCParallaxScrollOffset obj = new CCParallaxScrollOffset(node, r, p, s, v);
m_ScrollOffsets.Add(obj);
if (m_Batch != null)
{
m_Batch.AddChild(node, z);
}
else
{
base.AddChild(node, z);
}
}
public void AddChild(CCSprite node, int z, CCPoint r, CCPoint p, CCPoint s, CCPoint v)
{
node.AnchorPoint = CCPoint.Zero;
CCParallaxScrollOffset obj = new CCParallaxScrollOffset(node, r, p, s, v);
m_ScrollOffsets.Add(obj);
if (m_Batch != null)
{
m_Batch.AddChild(node, z);
}
else
{
base.AddChild(node, z);
}
}
public void RemoveChild(CCSprite node, bool cleanup)
{
int removeAt = -1;
for (int i = 0; i < m_ScrollOffsets.Count; i++)
{
CCParallaxScrollOffset scrollOffset = m_ScrollOffsets[i];
if (scrollOffset.Child == node)
{
removeAt = i;
break;
}
}
if (removeAt != -1)
{
m_ScrollOffsets.RemoveAt(removeAt);
}
if (m_Batch != null)
{
m_Batch.RemoveChild(node, cleanup);
}
}
