From e7b56ebf9d25978b3aac4a0631d4083fdb2441d1 Mon Sep 17 00:00:00 2001
From: dereelatwit <54997325+dereelatwit@users.noreply.github.com>
Date: Mon, 24 Jul 2023 21:33:01 -0400
Subject: Implemented mouse to line drawing

---
 Pathfinding Visualizer/Assets/Scripts/DrawLine.cs | 61 +++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Pathfinding Visualizer/Assets/Scripts/DrawLine.cs

(limited to 'Pathfinding Visualizer/Assets/Scripts/DrawLine.cs')

diff --git a/Pathfinding Visualizer/Assets/Scripts/DrawLine.cs b/Pathfinding Visualizer/Assets/Scripts/DrawLine.cs
new file mode 100644
index 0000000..e3b2e47
--- /dev/null
+++ b/Pathfinding Visualizer/Assets/Scripts/DrawLine.cs	
@@ -0,0 +1,61 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class DrawLine : MonoBehaviour
+{
+
+    public GameObject linePrefab;
+    public GameObject currentLine;
+
+    public LineRenderer lineRenderer;
+    public EdgeCollider2D edgeCollider;
+    public List<Vector2> fingerPositions;
+
+
+
+    // Start is called before the first frame update
+    void Start()
+    {
+
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        if (Input.GetMouseButtonDown(0))
+        {
+            CreateLine();
+        }
+
+        if (Input.GetMouseButton(0))
+        {
+            Vector2 tempFingerPos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
+            if (Vector2.Distance(tempFingerPos, fingerPositions[fingerPositions.Count - 1]) > .1f)
+            {
+                UpdateLine(tempFingerPos);
+            }
+        }
+    }
+
+    void CreateLine()
+    {
+        currentLine = Instantiate(linePrefab, Vector3.zero, Quaternion.identity);
+        lineRenderer = currentLine.GetComponent<LineRenderer>();
+        edgeCollider = currentLine.GetComponent<EdgeCollider2D>();
+        fingerPositions.Clear();
+        fingerPositions.Add(Camera.main.ScreenToWorldPoint(Input.mousePosition));
+        fingerPositions.Add(Camera.main.ScreenToWorldPoint(Input.mousePosition));
+        lineRenderer.SetPosition(0, fingerPositions[0]);
+        lineRenderer.SetPosition(1, fingerPositions[1]);
+        edgeCollider.points = fingerPositions.ToArray();
+
+    }
+    void UpdateLine(Vector2 newFingerPos)
+    {
+        fingerPositions.Add(newFingerPos);
+        lineRenderer.positionCount++;
+        lineRenderer.SetPosition(lineRenderer.positionCount - 1, newFingerPos);
+        edgeCollider.points = fingerPositions.ToArray();
+    }
+}
-- 
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