private void transition(int step)
{
// TODO: remap step from 0-steps into 0-1
float linearStep = (float)step / (steps - 1);
float e = EasingFX.Ease(linearStep, acceleration, easingType);
float newX = 0f, newY = 0f;
switch (direction)
{
case Direction.Up:
newX = startPos.x + offsetX; newY = startPos.y + offsetY + e;
// don't exceed the final position
if (newY > finalPos.y)
{
newY = finalPos.y;
}
break;
case Direction.Down:
newX = startPos.x + offsetX; newY = startPos.y + offsetY - e;
// don't exceed the final position
if (newY < finalPos.y)
{
newY = finalPos.y;
}
break;
case Direction.Left:
newX = startPos.x + offsetX - e; newY = startPos.y + offsetY;
// don't exceed the final position
if (newX < finalPos.x)
{
newX = finalPos.x;
}
break;
case Direction.Right:
newX = startPos.x + offsetX + e; newY = startPos.y + offsetY;
// don't exceed the final position
if (newX > finalPos.x)
{
newX = finalPos.x;
}
break;
}
switch (elem)
{
case Element.TRANSFORM:
Vector3 pos = transform.localPosition;
pos.x = newX;
pos.y = newY;
transform.localPosition = pos;
break;
/*case Element.GUI_TEXT:
* Vector2 pOffset = guiText.pixelOffset;
* pOffset.x = newX;
* pOffset.y = newY;
* guiText.pixelOffset = pOffset;
* break;
* case Element.GUI_TEXTURE:
* Rect pInset = guiTexture.pixelInset;
* pInset.x = newX;
* pInset.y = newY;
* guiTexture.pixelInset = pInset;
* break;*/
}
}
private void prepareTransition()
{
if (Mathf.Abs(steps) < 2)
{
steps = (int)Mathf.Sign(steps) * 2;
}
// the final position is the current one
finalPos.Set(transform.localPosition.x, transform.localPosition.y);
if (elem == Element.TRANSFORM)
{
startPos.Set(transform.localPosition.x + startOffsetTransform.x, transform.localPosition.y + startOffsetTransform.y);
}
/*else if (elem == Element.GUI_TEXT)
* startPos.Set(guiText.pixelOffset.x + startOffsetTransform.x, guiText.pixelOffset.y + startOffsetTransform.y);
* else if (elem == Element.GUI_TEXTURE)
* startPos.Set(guiTexture.pixelInset.x + startOffsetTransform.x, guiTexture.pixelInset.y + startOffsetTransform.y);*/
// calculate automatic offsets
switch (_transition)
{
case Transition.FromCurrentPosition:
offsetX = -EasingFX.Ease(0, acceleration, easingType);
offsetY = -EasingFX.Ease(0, acceleration, easingType);
break;
case Transition.ToCurrentPosition:
offsetX = -EasingFX.Ease(1, acceleration, easingType);
offsetY = -EasingFX.Ease(1, acceleration, easingType);
break;
}
// fix offsets
switch (direction)
{
case Direction.Up:
offsetX = 0;
break;
case Direction.Down:
offsetX = 0;
offsetY = -offsetY;
break;
case Direction.Left:
offsetX = -offsetX;
offsetY = 0;
break;
case Direction.Right:
offsetY = 0;
break;
}
// set initial object position
switch (elem)
{
case Element.TRANSFORM:
Vector3 pos = transform.localPosition;
pos.x = startPos.x + offsetX;
pos.y = startPos.y + offsetY;
transform.localPosition = pos;
break;
/*case Element.GUI_TEXT:
* Vector2 pOffset = guiText.pixelOffset;
* pOffset.x = startPos.x + offsetX;
* pOffset.y = startPos.y + offsetY;
* guiText.pixelOffset = pOffset;
* break;
* case Element.GUI_TEXTURE:
* Rect pInset = guiTexture.pixelInset;
* pInset.x = startPos.x + offsetX;
* pInset.y = startPos.y + offsetY;
* guiTexture.pixelInset = pInset;
* break;*/
}
}