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public Text distanceText; // 显示距离的文本 + public Text distanceText; // 屏幕内显示的距离文本 public RectTransform arrowIcon; // 屏幕外箭头图标 + public Text arrowDistanceText; // 屏幕外箭头后面的距离文本 public float edgePadding = 50f; // 箭头距离屏幕边缘的间距 + public Vector2 textOffset = new Vector2(0, -30); // 文本相对箭头的偏移 void Update() { @@ -25,11 +27,12 @@ public class TargetIndicator : MonoBehaviour // 目标在屏幕内，显示目标图标 targetIcon.gameObject.SetActive(true); arrowIcon.gameObject.SetActive(false); // 隐藏箭头 + arrowDistanceText.gameObject.SetActive(false); // 隐藏箭头距离文本 // 更新图标位置 targetIcon.position = screenPoint; - // 更新距离文本 + // 更新屏幕内距离文本 float distance = Vector3.Distance(mainCamera.transform.position, target.position); distanceText.text = $"{distance:F1}m"; } @@ -37,7 +40,8 @@ public class TargetIndicator : MonoBehaviour { // 目标在屏幕外，显示箭头 targetIcon.gameObject.SetActive(false); - arrowIcon.gameObject.SetActive(true); + arrowIcon.gameObject.SetActive(true); // 显示箭头 + arrowDistanceText.gameObject.SetActive(true); // 显示箭头距离文本 // 如果目标在玩家后方，翻转方向 if (screenPoint.z < 0) @@ -49,19 +53,27 @@ public class TargetIndicator : MonoBehaviour // 计算目标点相对于屏幕中心的方向 Vector3 direction = (screenPoint - new Vector3(Screen.width / 2, Screen.height / 2, 0)).normalized; - // 修正：箭头指向的屏幕边界位置 + // 计算箭头在屏幕边界的位置 Vector3 edgePosition = GetScreenEdgePosition(direction); // 设置箭头位置 arrowIcon.position = edgePosition; + // 设置距离文本位置（在箭头下方或后面） + Vector3 textPosition = edgePosition + (Vector3)textOffset; + textPosition = ClampToScreenBounds(textPosition); // 限制文本在屏幕范围内 + arrowDistanceText.transform.position = textPosition; + + // 保持距离文本水平显示 + arrowDistanceText.transform.rotation = Quaternion.identity; + + // 更新距离文本内容 + float distance = Vector3.Distance(mainCamera.transform.position, target.position); + arrowDistanceText.text = $"{distance:F1}m"; + // 旋转箭头使其指向目标方向 float angle = Mathf.Atan2(direction.y, direction.x) * Mathf.Rad2Deg; arrowIcon.rotation = Quaternion.Euler(0, 0, angle); - - // 更新距离文本 - float distance = Vector3.Distance(mainCamera.transform.position, target.position); - distanceText.text = $"{distance:F1}m"; } } @@ -89,4 +101,12 @@ public class TargetIndicator : MonoBehaviour return new Vector3(edgeX, edgeY, 0); } } + + // 限制文本在屏幕范围内 + private Vector3 ClampToScreenBounds(Vector3 position) + { + position.x = Mathf.Clamp(position.x, edgePadding, Screen.width - edgePadding); + position.y = Mathf.Clamp(position.y, edgePadding, Screen.height - edgePadding); + return position; + } }