118 lines
4.1 KiB
C#
118 lines
4.1 KiB
C#
using UnityEngine;
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namespace Terkoiz.MapZoneHighlighter.BoundedBoxes
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{
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public class ColliderBoundsController : MonoBehaviour
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{
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public bool IsActive;
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public static readonly Color InactiveLineColor = new Color(1f, 0f, 0.8f, 0.8f);
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public static readonly Color ActiveLineColor = new Color(0f, 1f, 0f, 0.8f);
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private Bounds _bound;
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private Vector3[] _corners;
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private Vector3[,] _lines;
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private Quaternion _quat;
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private Camera _mainCamera;
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private ColliderBoundsRenderer _cameraLines;
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private Vector3 _topFrontLeft;
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private Vector3 _topFrontRight;
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private Vector3 _topBackLeft;
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private Vector3 _topBackRight;
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private Vector3 _bottomFrontLeft;
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private Vector3 _bottomFrontRight;
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private Vector3 _bottomBackLeft;
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private Vector3 _bottomBackRight;
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public Vector3 ScreenPosition;
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public bool IsOnScreen;
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public float DistanceToCamera;
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private void Start()
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{
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_mainCamera = Camera.main;
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_cameraLines = _mainCamera.GetComponent<ColliderBoundsRenderer>();
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Init();
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}
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public void Init()
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{
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CalculateBounds();
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SetPoints();
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SetLines();
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_cameraLines.SetOutlines(_lines, InactiveLineColor);
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}
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private void LateUpdate()
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{
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_cameraLines.SetOutlines(_lines, IsActive ? ActiveLineColor : InactiveLineColor);
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}
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private void OnGUI()
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{
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if (Camera.main == null)
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{
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return;
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}
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ScreenPosition = UIDrawingUtil.WorldPointToScreenPoint(transform.position);
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IsOnScreen = UIDrawingUtil.IsScreenPointVisible(ScreenPosition);
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DistanceToCamera = Vector3.Distance(Camera.main.transform.position, transform.position);
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}
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private void CalculateBounds()
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{
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BoxCollider coll = GetComponent<BoxCollider>();
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if (coll)
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{
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_bound = coll.bounds;
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_quat = Quaternion.Euler(0f, coll.transform.rotation.y, 0f);
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}
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else
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{
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Debug.LogError($"[{nameof(ColliderBoundsController)}] No collider attached to '{name}'");
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}
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}
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private void SetPoints()
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{
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Vector3 bc = transform.position + _quat * (_bound.center - transform.position);
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_topFrontRight = bc + _quat * Vector3.Scale(_bound.extents, new Vector3(1, 1, 1));
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_topFrontLeft = bc + _quat * Vector3.Scale(_bound.extents, new Vector3(-1, 1, 1));
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_topBackLeft = bc + _quat * Vector3.Scale(_bound.extents, new Vector3(-1, 1, -1));
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_topBackRight = bc + _quat * Vector3.Scale(_bound.extents, new Vector3(1, 1, -1));
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_bottomFrontRight = bc + _quat * Vector3.Scale(_bound.extents, new Vector3(1, -1, 1));
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_bottomFrontLeft = bc + _quat * Vector3.Scale(_bound.extents, new Vector3(-1, -1, 1));
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_bottomBackLeft = bc + _quat * Vector3.Scale(_bound.extents, new Vector3(-1, -1, -1));
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_bottomBackRight = bc + _quat * Vector3.Scale(_bound.extents, new Vector3(1, -1, -1));
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_corners = new Vector3[]
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{
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_topFrontRight, _topFrontLeft, _topBackLeft, _topBackRight, _bottomFrontRight, _bottomFrontLeft, _bottomBackLeft,
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_bottomBackRight
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};
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}
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private void SetLines()
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{
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const int linesCount = 12;
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_lines = new Vector3[linesCount, 2];
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for (int i = 0; i < 4; i++)
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{
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var i1 = (i + 1) % 4;
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_lines[i, 0] = _corners[i];
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_lines[i, 1] = _corners[i1];
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i1 = i + 4; //vertical lines
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_lines[i + 4, 0] = _corners[i];
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_lines[i + 4, 1] = _corners[i1];
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//bottom rectangle
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_lines[i + 8, 0] = _corners[i1];
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i1 = 4 + (i + 1) % 4;
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_lines[i + 8, 1] = _corners[i1];
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}
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}
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}
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} |