public UpdateDirectionsToPlayersSystem(Contexts contexts, Camera camera, Canvas canvas, Sprite arrow, int playersCount)
{
colorManager = TeamsColorManager.Instance();
colorsMode = colorManager.TeamsColorsMode;
gameContext = contexts.game;
playersGroup =
gameContext.GetGroup(GameMatcher.AllOf(GameMatcher.Player, GameMatcher.Team, GameMatcher.Transform).NoneOf(GameMatcher.CurrentPlayer, GameMatcher.Hidden));
arrowsCamera = camera;
arrowsCanvas = canvas;
var canvasRect = canvas.GetComponent <RectTransform>().rect;
firstDiagonalRadAngle = Mathf.Atan(canvasRect.height / canvasRect.width);
secondDiagonalRadAngle = Mathf.PI - firstDiagonalRadAngle;
fourthDiagonalRadAngle = Mathf.PI + secondDiagonalRadAngle;
halfCanvasWidth = canvasRect.width * 0.5f;
halfCanvasHeight = canvasRect.height * 0.5f;
arrowSprite = arrow;
arrows = new Dictionary <int, Image>(playersCount - 1);
teamsColors = colorManager.GetColors(playersCount + 1);
}
public void Execute()
{
foreach (var arrow in arrows.Values)
{
arrow.gameObject.SetActive(false);
}
if (colorsMode != colorManager.TeamsColorsMode)
{
colorsMode = colorManager.TeamsColorsMode;
var length = teamsColors.Length;
if (colorsMode == TeamsColorManager.ColorsMode.None)
{
teamsColors = new Color[length];
for (var i = 0; i < length; i++)
{
teamsColors[i] = Color.red;
}
}
else
{
teamsColors = colorManager.GetColors(length);
}
}
var currentPosition = (Vector2)arrowsCamera.transform.position;
foreach (var enemyPlayer in playersGroup)
{
var accountId = enemyPlayer.player.accountId;
if (!arrows.TryGetValue(accountId, out var arrow))
{
var arrowGo = new GameObject("Arrow To " + enemyPlayer.player.nickname);
var arrowTrans = arrowGo.transform;
arrowTrans.SetParent(arrowsCanvas.transform);
arrowTrans.SetAsFirstSibling();
arrowTrans.localScale = Vector3.one;
arrow = arrowGo.AddComponent <Image>();
arrow.sprite = arrowSprite;
arrow.rectTransform.sizeDelta = arrowSprite.rect.size;
arrows.Add(accountId, arrow);
}
arrow.gameObject.SetActive(true);
var teamId = enemyPlayer.team.id;
var direction = enemyPlayer.transform.position - currentPosition;
Vector2 arrowLocalPosition;
var angle = Mathf.Atan2(direction.y, direction.x);
var angleIsNegative = angle < 0f;
var tempAngle = angleIsNegative ? angle + Mathf.PI : angle;
if (tempAngle <= firstDiagonalRadAngle || tempAngle >= secondDiagonalRadAngle)
{
var x = halfCanvasWidth;
var y = halfCanvasWidth * direction.y / direction.x;
arrowLocalPosition = new Vector2(x, y);
}
else
{
var x = halfCanvasHeight * direction.x / direction.y;
var y = halfCanvasHeight;
arrowLocalPosition = new Vector2(x, y);
}
var positiveAngle = angleIsNegative ? angle + 2f * Mathf.PI : angle;
var isDownTriangle = positiveAngle > secondDiagonalRadAngle && positiveAngle < fourthDiagonalRadAngle;
if (isDownTriangle)
{
arrowLocalPosition = -arrowLocalPosition;
}
arrowLocalPosition -= arrowLocalPosition.normalized * arrowSprite.rect.height * 0.5f;
arrow.transform.localPosition = arrowLocalPosition;
arrow.transform.localEulerAngles = new Vector3(0f, 0f, Mathf.Rad2Deg * angle - 90f);
var color = teamsColors[teamId];
var worldVector = (Vector2)arrowsCamera.ScreenToWorldPoint(arrow.rectTransform.position) - currentPosition;
var worldMgn = worldVector.magnitude;
var directionMgn = direction.magnitude;
if (worldMgn > directionMgn)
{
arrow.gameObject.SetActive(false);
}
else
{
var percentage = 1f - 0.5f * (directionMgn - worldMgn) / (visibleArea - worldMgn);
if (percentage > 0f)
{
color.a = percentage;
arrow.color = color;
}
else
{
arrow.gameObject.SetActive(false);
}
}
}
}
