public static PositionAndScale RelativePosOnSpriteToUnityCoordinates(SpriteRenderer containingSpriteRenderer, Sprite includedSprite, float relativeX1, float relativeY1, float relativeX2, float relativeY2)
{
PositionAndScale result = new PositionAndScale();
Vector3 spriteBottomLeftCorner = containingSpriteRenderer.sprite.bounds.min;
Vector3 spriteTopRightCorner = containingSpriteRenderer.sprite.bounds.max;
float relativeCenterX = (relativeX1 + relativeX2) / 2.0f;
float relativeCenterY = (relativeY1 + relativeY2) / 2.0f;
result.position.x = (spriteBottomLeftCorner.x + ((spriteTopRightCorner.x - spriteBottomLeftCorner.x) * relativeCenterX)) * containingSpriteRenderer.gameObject.transform.localScale.x;
result.position.y = (spriteTopRightCorner.y + ((spriteBottomLeftCorner.y - spriteTopRightCorner.y) * relativeCenterY)) * containingSpriteRenderer.gameObject.transform.localScale.y;
float containingSpriteWidth = (spriteTopRightCorner.x - spriteBottomLeftCorner.x) * containingSpriteRenderer.gameObject.transform.localScale.x;
float containingSpriteHeigh = (spriteTopRightCorner.y - spriteBottomLeftCorner.y) * containingSpriteRenderer.gameObject.transform.localScale.y;
float relativeWidth = (relativeX2 - relativeX1) * containingSpriteWidth;
float relativeHeigh = (relativeY2 - relativeY1) * containingSpriteHeigh;
result.scale.x = relativeWidth / includedSprite.bounds.size.x;
result.scale.y = relativeHeigh / includedSprite.bounds.size.y;
// print (containingSpriteWidth + " ///// " + containingSpriteHeigh);
return(result);
}
public void SetSpriteRelativelyToAnotherOne(Sprite sprite, SpriteRenderer parentSpriteRenderer, float relativex1, float relativey1, float relativex2, float relativey2, int orderInLayer = 0)
{
if (parentSpriteRenderer == null)
{
return;
}
PositionAndScale transformInScene = PositionOnSprite.RelativePosOnSpriteToUnityCoordinates(parentSpriteRenderer,
sprite,
relativex1,
relativey1,
relativex2,
relativey2);
transform.localScale = transformInScene.scale;
transform.localPosition = transformInScene.position;
SetSprite(sprite, orderInLayer);
}