private void CheckForUpdate()
{
if (imagesToDisplayCopy != imagesToDisplay)
{
foreach (Transform t in images)
{
Destroy(t.gameObject);
// t.gameObject.SetActive(true);
}
images = new List <Transform>(imagesToDisplay);
for (int i = 0; i < imagesToDisplay; i++)
{
afterImage = new GameObject("_afterimage");
Afterimage image = afterImage.AddComponent <Afterimage>();
SpriteRenderer imageSprite = afterImage.AddComponent <SpriteRenderer>();
images.Add(afterImage.transform);
imageSprite.color = imageColor;
if (state == ImageState.OFF)
{
afterImage.gameObject.SetActive(false);
}
image.imageInChain = i + 1;
image.maxOffset = image.imageInChain * delayBetweenImages;
imageSprite.sortingOrder = sprite.sortingOrder - i - 1;
afterImage.transform.SetParent(parent.transform, true);
}
imagesToDisplayCopy = imagesToDisplay;
}
if (delayBetweenImagesCopy != delayBetweenImages)
{
for (int i = 0; i < images.Count; i++)
{
Afterimage image = images[i].gameObject.GetComponent <Afterimage>();
image.maxOffset = image.imageInChain * delayBetweenImages;
}
delayBetweenImagesCopy = delayBetweenImages;
}
}
// Use this for initialization
void Start()
{
Application.targetFrameRate = 60;
imagePositions = new Vector3[positionsToSave];
savedSprites = new Sprite[positionsToSave];
images = new List <Transform>(imagesToDisplay);
sprite = GetComponent <SpriteRenderer>();
parent = new GameObject("Afterimages");
parent.transform.position = new Vector3(0f, 0f, 0f);
for (int i = 0; i < imagesToDisplay; i++)
{
afterImage = new GameObject("_afterimage");
Afterimage image = afterImage.AddComponent <Afterimage>();
SpriteRenderer imageSprite = afterImage.AddComponent <SpriteRenderer>();
images.Add(afterImage.transform);
if (!useMulticolors)
{
imageSprite.color = imageColor;
}
else
{
imageSprite.color = multicolors[i];
}
afterImage.gameObject.SetActive(false);
image.imageInChain = i + 1;
image.maxOffset = image.imageInChain * delayBetweenImages;
imageSprite.sortingOrder = sprite.sortingOrder - i - 1;
afterImage.transform.SetParent(parent.transform, true);
}
imagesToDisplayCopy = imagesToDisplay;
delayBetweenImagesCopy = delayBetweenImages;
}
// Update is called once per frame
void Update()
{
CheckForUpdate();
switch (state)
{
case ImageState.ON:
{
imagePositions[index] = this.gameObject.transform.position;
savedSprites[index] = sprite.sprite;
foreach (Transform t in images)
{
if (t.gameObject.activeSelf == false)
{
t.gameObject.SetActive(true);
}
Afterimage image = t.GetComponent <Afterimage>();
t.position = this.gameObject.transform.position;
// If this value is null, it must have started generating images and not looped around yet.
if (imagePositions[positionsToSave - 1] == Vector3.zero)
{
int num = index - image.offset;
if (num < 0)
{
num = 0;
}
t.position = imagePositions[num];
}
else
{
t.position = imagePositions[SubtractAndWrap(index, image.offset, positionsToSave)];
}
t.localScale = transform.localScale;
SpriteRenderer imageSprite = t.GetComponent <SpriteRenderer>();
if (!saveSprites)
{
imageSprite.sprite = sprite.sprite;
}
else
{
imageSprite.sprite = savedSprites[SubtractAndWrap(index, image.offset, positionsToSave)];
}
if (image.offset < image.maxOffset)
{
image.offset++;
}
}
index++;
if (index >= positionsToSave)
{
index = 0;
}
}
break;
case ImageState.OFF:
break;
case ImageState.FADING:
{
imagePositions[index] = this.gameObject.transform.position;
foreach (Transform t in images)
{
Afterimage image = t.GetComponent <Afterimage>();
// If this value is null, it must have started generating images.
if (imagePositions[positionsToSave - 1] == Vector3.zero)
{
int num = index - image.offset;
if (num < 0)
{
num = 0;
}
t.position = imagePositions[num];
}
else
{
t.position = imagePositions[SubtractAndWrap(index, image.offset, positionsToSave)];
}
t.localScale = transform.localScale;
if (!saveSprites)
{
t.GetComponent <SpriteRenderer>().sprite = sprite.sprite;
}
else
{
t.GetComponent <SpriteRenderer>().sprite = savedSprites[SubtractAndWrap(index, image.offset, positionsToSave)];
}
if (image.offset > 0)
{
image.offset--;
}
if (image.imageInChain == imagesToDisplay && image.offset == 0)
{
disableImages();
state = ImageState.OFF;
break;
}
}
index++;
if (index >= positionsToSave)
{
index = 0;
}
}
break;
}
}
