62 lines
1.6 KiB
C#
62 lines
1.6 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class KeepLevelAnchored : MonoBehaviour
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{
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Camera _camera;
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Rect _levelBound;
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bool _boundCalculated = false;
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// Start is called before the first frame update
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void Start()
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{
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_camera = Camera.main;
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LevelManager.Instance.LevelLoaded += CalculateBound;
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if (!LevelManager.Instance.CurrentLevel) return;
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CalculateBound(LevelManager.Instance.CurrentLevel);
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}
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private void CalculateBound(GatherAndDefend.LevelEditor.Level level)
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{
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_boundCalculated = false;
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_levelBound = level.CalculateBounds();
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_boundCalculated = true;
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}
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void OnDestroy()
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{
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LevelManager.Instance.LevelLoaded -= CalculateBound;
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}
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// Update is called once per frame
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void Update()
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{
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if (!_boundCalculated) return;
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//move right
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var xMax = _levelBound.xMax;
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var width = _camera.ScreenToWorldPoint(Vector2.one * _camera.pixelWidth).x;
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var rightDiff = width - xMax;
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var camPos = _camera.transform.position;
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camPos.x -= rightDiff;
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_camera.transform.position = camPos;
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//resize
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var xMin = _levelBound.xMin;
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var left = _camera.ScreenToWorldPoint(Vector2.zero).x;
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var center = _camera.ScreenToWorldPoint(Vector2.one * _camera.pixelWidth / 3).x;
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var leftDiff = xMax - xMin;
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var centerDiff = xMax - center;
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var ratio = centerDiff / leftDiff;
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_camera.orthographicSize /= ratio;
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return;
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}
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}
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