Add multitouch

Assets/Drawing/Prefabs/Drawable Frame.prefab

@@ -11,7 +11,6 @@ GameObject:
   - component: {fileID: 6807415978649219551}
   - component: {fileID: 6807415978649219550}
   - component: {fileID: 6807415978649219545}
-  - component: {fileID: 6807415978649219544}
   - component: {fileID: 6807415977000239074}
   m_Layer: 0
   m_Name: Drawable Frame
@@ -98,20 +97,8 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   resolution: {x: 500, y: 500}
   startingColor: {r: 0, g: 0, b: 0, a: 0}
-  texture: {fileID: 0}
-  sprite: {fileID: 0}
---- !u!114 &6807415978649219544
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 6807415978649219547}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 21d58fc36c2296c4787f0492c99a5d2c, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
+  locked: 0
+  hasChanged: 0
 --- !u!114 &6807415977000239074
 MonoBehaviour:
   m_ObjectHideFlags: 0

Assets/Drawing/Scripts/DrawableFrame.cs

@@ -8,9 +8,13 @@ public class DrawableFrame : MonoBehaviour
     public Vector2Int resolution;
     public Color startingColor = Color.white;
 
+    [Header("State")]
+    public bool locked = false;
+    public bool hasChanged = false;
+
     [Header("References")]
-    public Texture2D texture = null;
-    public Sprite sprite = null;
+    protected Texture2D texture = null;
+    protected Sprite sprite = null;
 
     private SpriteRenderer spriteRenderer;
 
@@ -44,6 +48,23 @@ public class DrawableFrame : MonoBehaviour
         sprite = Sprite.Create(texture, new Rect(0, 0, resolution.x, resolution.y), new Vector2(0.5f, 0.5f), resolution.x);
         spriteRenderer.sprite = sprite;
     }
+
+    public Color[] GetPixels() {
+        return texture.GetPixels();
+    }
+
+    public void SetPixels(Color[] colors) {
+        if(!locked) {
+            texture.SetPixels(colors);
+            hasChanged = true;
+        }
+    }
+
+    protected void Update() {
+        if(hasChanged) {
+            texture.Apply();
+        }
+    }
     
     protected void OnDrawGizmos() 
     {

Assets/Drawing/Scripts/DrawingManager.cs

@@ -43,6 +43,9 @@ public class DrawingManager : MonoBehaviour
                 Debug.LogWarning("Invalid settings json string, using defaults.");
             }
         }
+        else {
+            Debug.Log(JsonUtility.ToJson(settings));
+        }
         
         canvas = GameObject.FindGameObjectWithTag("Canvas").GetComponent<Canvas>();
 
@@ -77,6 +80,9 @@ public class DrawingManager : MonoBehaviour
         actDescription.text = settings.actDescription;
 
         timer = Instantiate(timerPrefab, canvas.transform).GetComponent<Timer>();
-        timer.StartTimer(settings.timeLimit);
+        timer.TimerSet(settings.timeLimit);
+
+        //TODO: replace with a countdown or something
+        timer.TimerStart();
     }
 }

Assets/Drawing/Scripts/PencilTool.cs

@@ -12,8 +12,8 @@ public class PencilTool : DrawTool
     private Vector2Int? previousPixel;
     private Vector2Int? pixel;
 
-    protected Vector2Int? HoveredPixel() {
-        Vector2 worldPoint = Camera.main.ScreenToWorldPoint(Input.mousePosition);
+    protected Vector2Int? GetPixelAtScreenPosition(Vector2 screenPosition) {
+        Vector2 worldPoint = Camera.main.ScreenToWorldPoint(screenPosition);
         if(frame.Bounds.Contains(worldPoint)) {
             Vector2 normalized = Rect.PointToNormalized(frame.Bounds, worldPoint);
             Vector2Int result = new Vector2Int(Mathf.FloorToInt(normalized.x * frame.resolution.x), Mathf.FloorToInt(normalized.y * frame.resolution.y));
@@ -24,13 +24,33 @@ public class PencilTool : DrawTool
 
     protected override void Start() {
         base.Start();
-        colors = frame.texture.GetPixels();
+        colors = frame.GetPixels();
+
+        Input.simulateMouseWithTouches = false;
     }
 
     protected void Update() {
+        bool hasChanged = false;
+
+        // Touch
+        foreach(Touch t in Input.touches) {
+            pixel = GetPixelAtScreenPosition(t.position);
+            previousPixel = GetPixelAtScreenPosition(t.position - t.deltaPosition);
+            if(pixel.HasValue) {
+                if(previousPixel.HasValue) {
+                    DrawBresenhamsThickLine(pixel.Value, previousPixel.Value, size, selectedColor);
+                }
+                else {
+                    DrawFilledCircle(pixel.Value, size, selectedColor);
+                }
+            }
+            hasChanged = true;
+        }
+
+        // Mouse
         previousPixel = pixel;
         if(Input.GetMouseButton(0)) {
-            pixel = HoveredPixel();
+            pixel = GetPixelAtScreenPosition(Input.mousePosition);
             if(pixel.HasValue) {
                 if(previousPixel.HasValue) {
                     DrawBresenhamsThickLine(previousPixel.Value, pixel.Value, size, selectedColor);
@@ -39,11 +59,15 @@ public class PencilTool : DrawTool
                     DrawFilledCircle(pixel.Value, size, selectedColor);
                 }
             }
-            Apply();
+            hasChanged = true;
         }
         else {
             pixel = null;
         }
+
+        if(hasChanged) {
+            frame.SetPixels(colors);
+        }
     }
 
     protected void DrawPixel(int x, int y, Color color) {
@@ -124,7 +148,5 @@ public class PencilTool : DrawTool
     }
 
     protected void Apply() {
-        frame.texture.SetPixels(colors);
-        frame.texture.Apply();
     }
 }

Assets/Drawing/Scripts/SetSpriteFromDrawableFrame.cs

@@ -1,17 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-
-public class SetSpriteFromDrawableFrame : MonoBehaviour
-{   
-    protected DrawableFrame frame;
-    protected SpriteRenderer spriteRenderer;
-
-    void Start()
-    {
-        frame = GetComponent<DrawableFrame>();
-        spriteRenderer = GetComponent<SpriteRenderer>();
-        Sprite sprite = Sprite.Create(frame.texture, new Rect(0, 0, frame.resolution.x, frame.resolution.y), new Vector2(0.5f, 0.5f), frame.resolution.x);
-        spriteRenderer.sprite = sprite;
-    }
-}

Assets/Drawing/Scripts/SetSpriteFromDrawableFrame.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 21d58fc36c2296c4787f0492c99a5d2c
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/Drawing/Scripts/Timer.cs

@@ -8,8 +8,9 @@ public class Timer : MonoBehaviour
 {
     public float startingTime = 0f;
     public float time = 0f;
-    public bool isTriggered = false;
-    public bool isRunning = false;    
+
+    private bool isTriggered = false;
+    private bool isRunning = false;    
 
     protected void Update() {
         if(time >= 0f) {
@@ -18,25 +19,40 @@ public class Timer : MonoBehaviour
             }
         }
         else {
-            time = 0f;
             if(isTriggered) {
-                OnTimeOut(EventArgs.Empty);
+                _OnTimeOut(EventArgs.Empty);
+                time = 0f;
                 isTriggered = false;
+                isRunning = false;
             }
         }
     }
 
-    public void StartTimer(float startingTime) {
+    public void TimerSet(float startingTime) {
         isTriggered = true;
-        isRunning = true;
+        isRunning = false;
         this.startingTime = startingTime;
         time = startingTime;        
     }
 
-    public event EventHandler TimeOut;
-    protected virtual void OnTimeOut(EventArgs e)
+    public void TimerStart() {
+        isRunning = true;
+    }
+
+    public void TimerPause() {
+        isRunning = false;
+    }
+
+    public void TimerCancel() {
+        time = 0f;
+        isTriggered = false;
+        isRunning = false;
+    }
+
+    public event EventHandler OnTimeOut;
+    protected virtual void _OnTimeOut(EventArgs e)
     {
-        EventHandler handler = TimeOut;
+        EventHandler handler = OnTimeOut;
         handler?.Invoke(this, e);
     }
 }

Assets/Scenes/SampleScene.unity

@@ -435,5 +435,11 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 0
       objectReference: {fileID: 0}
+    - target: {fileID: 3241962964773812269, guid: 4fd713402edcc1c43b82d4d86a713998,
+        type: 3}
+      propertyPath: jsonString
+      value: '{"startingColor":{"r":1.0,"g":1.0,"b":1.0,"a":1.0},"palette":[{"r":1.0,"g":0.0,"b":0.0,"a":1.0},{"r":1.0,"g":1.0,"b":0.0,"a":1.0},{"r":0.0,"g":1.0,"b":0.0,"a":1.0},{"r":0.0,"g":1.0,"b":1.0,"a":1.0},{"r":0.0,"g":0.0,"b":1.0,"a":1.0},{"r":1.0,"g":0.0,"b":1.0,"a":1.0},{"r":1.0,"g":1.0,"b":1.0,"a":1.0}],"timeLimit":99.0,"actName":"RAINBOWS","actDescription":"Disegna
+        qualcosa con questi colori superluminosi!"}'
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 4fd713402edcc1c43b82d4d86a713998, type: 3}

ProjectSettings/ProjectSettings.asset

@@ -12,7 +12,7 @@ PlayerSettings:
   targetDevice: 2
   useOnDemandResources: 0
   accelerometerFrequency: 60
-  companyName: DefaultCompany
+  companyName: Steffo
   productName: better-tee
   defaultCursor: {fileID: 0}
   cursorHotspot: {x: 0, y: 0}