//When a line finishes movement, we'll automatically complete the transformation of all off screen characters that were started.
private void TransformationLine_LineFinished(TransformationLine i_TransformationLine)
{
CharacterForm affectedForm = r_FormLineDict[i_TransformationLine];
i_TransformationLine.OnLineFinished -= TransformationLine_LineFinished;
affectedForm.TransformRate = 1;
}
//Creates a new transformation sequence on this character and maps it to the invoking transformation line.
private CharacterForm createNewTransformation(TransformationLine i_TransformationLine)
{
if (r_FormLineDict[i_TransformationLine])
{
throw new ArgumentException("A form already exists for given transformation line on this character");
}
CharacterForm newForm = m_NextForm;
i_TransformationLine.OnLineFinished += TransformationLine_LineFinished;
newForm.OnTransformationComplete += CharacterForm_TransformationComplete;
r_FormLineDict.Add(newForm, i_TransformationLine);
return(newForm);
}
/// <summary>
/// Transforms a character in its current transformation sequence up to the x point of the given point.
/// </summary>
/// <param name="i_TransformationLine">The transformation line that invoked this transformation. Each unique line that affects this character will be linked to a unique specific form object.</param>
/// <param name="i_WorldPointHit">The world point where the transformation line hit. We'll transform the character with this point's x as the seperator.</param>
public void TransformByPoint(TransformationLine i_TransformationLine, Vector2 i_WorldPointHit)
{
CharacterForm affectedForm = r_FormLineDict[i_TransformationLine];
if (affectedForm == null)
{
affectedForm = createNewTransformation(i_TransformationLine);
}
//First we'll get the x point of the hit in local spaces (-sprite width / 2 <= Pixel in sprite <= sprite width / 2).
float centerRelativeHitX = transform.InverseTransformPoint(i_WorldPointHit).x;
//Then we offset it to sprite size (0 <= pixel in sprite <= sprite width), since sprite local spaces in unity can be negative.
float pixelHitX = centerRelativeHitX + affectedForm.Sprite.rectTransform.rect.width / 2;
//And finally we got the normal of the hit (What % of the transformation is complete).
float hitFillNormal = pixelHitX / affectedForm.Sprite.rectTransform.rect.width;
affectedForm.TransformRate = hitFillNormal;
}