dereelatwit
62 lines
1.7 KiB
C#
62 lines
1.7 KiB
C#
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();
|
|
}
|
|
}
|