130 lines
3.9 KiB
C#
130 lines
3.9 KiB
C#
using UnityEngine;
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//============================================================
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//支持中文，文件使用UTF-8编码
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//@author JiphuTzu
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//@create 20220910
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//@company Umawerse
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//
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//@description:
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//============================================================
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namespace Umawerse.FiniteStateMachines
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{
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public class LineDrawingState : DrawingState
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{
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private LineRenderer _line;
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public LineDrawingState(ToolsBootstrap root) : base(root, StateName.line, 2, 99)
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{
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}
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protected override void OnTap(Vector3 pos)
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{
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AddPoint(pos);
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}
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protected override void OnDoubleTap(Vector3 pos)
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{
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AddPoint(pos);
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}
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protected override void UpdatePreview(Vector3 pos)
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{
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var vs = new Vector3[vertices.Count + 1];
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//var h = vertices[0].y > pos.y ? vertices[0].y : pos.y;
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for (var i = 0; i < vertices.Count; i++)
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{
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vs[i] = vertices[i];//new Vector3(vertices[i].x, h, vertices[i].z);
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//target.transform.GetChild(i).position = vs[i];
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}
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vs[vertices.Count] = pos;//new Vector3(pos.x, h, pos.z);
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_line.positionCount = vs.Length;
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_line.SetPositions(vs);
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_line.material.SetFloat("_Cnt", GetLength(vs) / 3);
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}
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public override void Init()
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{
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base.Init();
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_line = target.AddComponent<LineRenderer>();
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_line.sortingOrder = -1;
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_line.startWidth = 3f;
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_line.endWidth = 3f;
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_line.numCornerVertices = 3;
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_line.material = root.solidLineMaterial;
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_line.material.color = Color.green;
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}
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public override void Complete()
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{
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_line.positionCount = vertices.Count;
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var vs = vertices.ToArray();
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_line.SetPositions(vs);
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_line.material.SetFloat("_Cnt", GetLength(vs) / 3);
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var lineMesh = new Mesh();
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_line.BakeMesh(lineMesh, true);
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target.AddComponent<MeshCollider>().sharedMesh = lineMesh;
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//
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}
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public override void AddPoint(Vector3 position, bool showImmediately = true)
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{
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Vector3 tempY;
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if (root.isDistance)
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{
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tempY = new Vector3(position.x, 580f, position.z);
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}
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else
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{
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tempY = position + Vector3.up * 50f;
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}
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vertices.Add(tempY);
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//if (showImmediately)
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//{
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// var h = vertices[0].y > position.y ? vertices[0].y : position.y;
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// for (int i = 0; i < vertices.Count; i++)
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// {
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// var v = vertices[i];
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// v.y = h;
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// vertices[i] = v;
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// if (i < target.transform.childCount)
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// target.transform.GetChild(i).localPosition = v;
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// }
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//}
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var linePoint = Object.Instantiate(root.linePointPrefab, target.transform);
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linePoint.transform.localPosition = vertices[vertices.Count - 1];
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_line.positionCount = vertices.Count;
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var vs = vertices.ToArray();
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_line.SetPositions(vs);
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}
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private void CorrectDirection()
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{
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var index = vertices.Count - 1;
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var last = index - 1;
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var dir = vertices[index] - vertices[last];
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dir.y = 0;
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dir.Normalize();
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target.transform.GetChild(index).GetChild(1).forward = dir;
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target.transform.GetChild(last).GetChild(1).forward = dir;
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}
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private float GetLength(Vector3[] vs)
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{
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var length = 0f;
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for (var i = 1; i < vs.Length; i++)
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{
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length += Vector3.Distance(vs[i], vs[i - 1]);
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}
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return length;
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}
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}
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}
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