Created
April 7, 2018 13:42
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Drawing Canvas
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| using System.Collections; | |
| using System.IO; | |
| using UnityEngine; | |
| public class Paintable : MonoBehaviour { | |
| public GameObject Brush; | |
| public float BrushSize = 0.1f; | |
| public RenderTexture RTexture; | |
| // Use this for initialization | |
| void Start () { | |
| } | |
| // Update is called once per frame | |
| void Update () { | |
| if (Input.GetMouseButton(0)) | |
| { | |
| //cast a ray to the plane | |
| var Ray = Camera.main.ScreenPointToRay(Input.mousePosition); | |
| RaycastHit hit; | |
| if(Physics.Raycast(Ray, out hit)) | |
| { | |
| //instanciate a brush | |
| var go = Instantiate(Brush, hit.point + Vector3.up * 0.1f, Quaternion.identity, transform); | |
| go.transform.localScale = Vector3.one * BrushSize; | |
| } | |
| } | |
| } | |
| public void Save() | |
| { | |
| StartCoroutine(CoSave()); | |
| } | |
| private IEnumerator CoSave() | |
| { | |
| //wait for rendering | |
| yield return new WaitForEndOfFrame(); | |
| Debug.Log(Application.dataPath + "/savedImage.png"); | |
| //set active texture | |
| RenderTexture.active = RTexture; | |
| //convert rendering texture to texture2D | |
| var texture2D = new Texture2D(RTexture.width, RTexture.height); | |
| texture2D.ReadPixels(new Rect(0, 0, RTexture.width, RTexture.height), 0, 0); | |
| texture2D.Apply(); | |
| //write data to file | |
| var data = texture2D.EncodeToPNG(); | |
| File.WriteAllBytes(Application.dataPath + "/savedImage.png", data); | |
| } | |
| } |
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