fix text background/ rework text world space scaling

Runtime/Gizmos/DebugX.text.cs

@@ -14,24 +14,20 @@ namespace DCFApixels
         public readonly partial struct DrawHandler
         {
             #region Text
-            [IN(LINE)] public DrawHandler TextWorldScale(Vector3 position, object text) => Gizmo(new TextGizmo(position, text, DebugXTextSettings.Default, true));
+            [IN(LINE)] public DrawHandler Text(Vector3 position, object text) => Gizmo(new TextGizmo(position, text, DebugXTextSettings.Default));
-            [IN(LINE)] public DrawHandler TextWorldScale(Vector3 position, object text, DebugXTextSettings settings) => Gizmo(new TextGizmo(position, text, settings, true));
+            [IN(LINE)] public DrawHandler Text(Vector3 position, object text, DebugXTextSettings settings) => Gizmo(new TextGizmo(position, text, settings));
-            [IN(LINE)] public DrawHandler Text(Vector3 position, object text) => Gizmo(new TextGizmo(position, text, DebugXTextSettings.Default, false));
-            [IN(LINE)] public DrawHandler Text(Vector3 position, object text, DebugXTextSettings settings) => Gizmo(new TextGizmo(position, text, settings, false));
 
             private readonly struct TextGizmo : IGizmo<TextGizmo>
             {
                 public readonly Vector3 Position;
                 public readonly string Text;
                 public readonly DebugXTextSettings Settings;
-                public readonly bool IsWorldSpaceScale;
                 [IN(LINE)]
-                public TextGizmo(Vector3 position, object text, DebugXTextSettings settings, bool isWorldSpaceScale)
+                public TextGizmo(Vector3 position, object text, DebugXTextSettings settings)
                 {
                     Position = position;
                     Text = text.ToString();
                     Settings = settings;
-                    IsWorldSpaceScale = isWorldSpaceScale;
                 }
 
                 public IGizmoRenderer<TextGizmo> RegisterNewRenderer() { return new Renderer(); }
@@ -48,14 +44,15 @@ namespace DCFApixels
                     public void Render(Camera camera, GizmosList<TextGizmo> list, CommandBuffer cb) { }
                     public void PostRender(Camera camera, GizmosList<TextGizmo> list)
                     {
+                        if (camera == null) { return; }
                         if (Event.current.type != EventType.Repaint) { return; }
                         Color dfColor = GUI.color;
-
-                        if (camera == null) { return; }
                         InitStatic();
-                        var zoom = GetCameraZoom(camera);
                         bool isSceneView = false;
+                        var backgroundMaterial = DebugXAssets.Materials.TextBackground;
+
 #if UNITY_EDITOR
+                        //TODO костыльный вариант, нужно поискать более надежный способ определить рендер SceneView
                         isSceneView = camera.name == "SceneCamera";
 #endif
 
@@ -68,7 +65,6 @@ namespace DCFApixels
                         else
                         {
                             GL.PushMatrix();
-                            //GL.LoadPixelMatrix(0, Screen.width, Screen.height - (isSceneView ? 50 : 0), 0);
                             GL.LoadPixelMatrix(0, Screen.width, Screen.height, 0);
                         }
                         foreach (ref readonly var item in list)
@@ -76,26 +72,25 @@ namespace DCFApixels
                             _labelDummy.text = item.Value.Text;
                             GUIStyle style = _labelStyle;
 
-                            style.fontSize = item.Value.IsWorldSpaceScale
+                            var zoom = GetCameraZoom(camera, item.Value.Position);
-                                ? Mathf.FloorToInt(item.Value.Settings.FontSize / zoom)
+
-                                : item.Value.Settings.FontSize;
+                            style.fontSize = Mathf.FloorToInt(Mathf.Lerp(item.Value.Settings.FontSize, item.Value.Settings.FontSize / zoom, item.Value.Settings.WorldSpaceScaleFactor));
 
                             style.alignment = item.Value.Settings.TextAnchor;
                             if (!(WorldToGUIPointWithDepth(camera, item.Value.Position).z < 0f))
                             {
                                 Rect rect = WorldPointToSizedRect(camera, item.Value.Position, _labelDummy, _labelStyle);
 
-                                Color c = item.Value.Settings.BackgroundColor * GlobalColor;
+                                Color backgroundColor = item.Value.Settings.BackgroundColor * GlobalColor;
-                                var mat = DebugXAssets.Materials.Unlit;
+                                backgroundMaterial.SetColor(ColorPropertyID, backgroundColor);
-                                mat.SetColor(ColorPropertyID, c);
+                                Graphics.DrawTexture(rect, _whiteTexture, backgroundMaterial);
-                                Graphics.DrawTexture(rect, _whiteTexture, mat);
 
                                 GUI.color = item.Color * GlobalColor;
                                 style.Draw(rect, _labelDummy, false, false, false, false);
                             }
                         }
                         GUI.color = dfColor;
-                        DebugXAssets.Materials.Unlit.SetColor(ColorPropertyID, Color.white);
+                        backgroundMaterial.SetColor(ColorPropertyID, Color.white);
 
                         if (isSceneView)
                         {
@@ -109,6 +104,46 @@ namespace DCFApixels
                         }
                     }
 
+                    #region Init
+                    private void InitStatic()
+                    {
+                        if (_labelStyle == null || _labelDummy == null || _whiteTexture == null)
+                        {
+                            GUIStyleState GenerateGUIStyleState()
+                            {
+                                var result = new GUIStyleState();
+                                result.textColor = Color.white;
+                                result.background = null;
+                                return result;
+                            }
+                            GUISkin skin = (GUISkin)typeof(GUI).GetField("s_Skin", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static).GetValue(null);  //GUI.s_Skin
+                            //GUISkin skin = GUI.skin;
+                            _labelStyle = new GUIStyle(skin.label)
+                            {
+                                richText = false,
+                                padding = new RectOffset(1, 1, 0, 0),
+                                margin = new RectOffset(0, 0, 0, 0),
+                                normal = GenerateGUIStyleState(),
+                                active = GenerateGUIStyleState(),
+                                hover = GenerateGUIStyleState(),
+                                focused = GenerateGUIStyleState(),
+                            };
+
+                            _labelDummy = new GUIContent();
+
+                            _whiteTexture = new Texture2D(2, 2);
+                            Color32[] color = new Color32[]
+                            {
+                                Color.white,
+                                Color.white,
+                                Color.white,
+                                Color.white,
+                            };
+                            _whiteTexture.SetPixels32(color);
+                            _whiteTexture.Apply();
+                        }
+                    }
+                    #endregion
 
                     #region Utils
                     public static Vector3 WorldToGUIPointWithDepth(Camera camera, Vector3 world)
@@ -162,56 +197,25 @@ namespace DCFApixels
                         }
                         return style.padding.Add(rect);
                     }
-                    #endregion
+                    private static float GetCameraZoom(Camera camera, Vector3 position)
+                    {
+                        position = Handles.matrix.MultiplyPoint(position);
+                        Transform transform = camera.transform;
+                        Vector3 position2 = transform.position;
+                        float z = Vector3.Dot(position - position2, transform.TransformDirection(new Vector3(0f, 0f, 1f)));
+                        Vector3 vector = camera.WorldToScreenPoint(position2 + transform.TransformDirection(new Vector3(0f, 0f, z)));
+                        Vector3 vector2 = camera.WorldToScreenPoint(position2 + transform.TransformDirection(new Vector3(1f, 0f, z)));
+                        float magnitude = (vector - vector2).magnitude;
+                        return 80f / Mathf.Max(magnitude, 0.0001f) * EditorGUIUtility.pixelsPerPoint;
 
 
-                    private void InitStatic()
+                        //const float DEFAULT_ZOOM = 1f;
-                    {
+                        //
-                        if (_labelStyle == null || _labelDummy == null || _whiteTexture == null)
+                        //if (camera != null)
-                        {
+                        //{
-                            GUIStyleState GenerateGUIStyleState()
+                        //    return camera.orthographicSize;
-                            {
+                        //}
-                                var result = new GUIStyleState();
+                        //return DEFAULT_ZOOM;
-                                result.textColor = Color.white;
-                                result.background = null;
-                                return result;
-                            }
-                            GUISkin skin = (GUISkin)typeof(GUI).GetField("s_Skin", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static).GetValue(null);  //GUI.s_Skin
-                            //GUISkin skin = GUI.skin;
-                            _labelStyle = new GUIStyle(skin.label)
-                            {
-                                richText = false,
-                                padding = new RectOffset(1, 1, 1, 1),
-                                margin = new RectOffset(0, 0, 0, 0),
-                                normal = GenerateGUIStyleState(),
-                                active = GenerateGUIStyleState(),
-                                hover = GenerateGUIStyleState(),
-                                focused = GenerateGUIStyleState(),
-                            };
-
-                            _labelDummy = new GUIContent();
-
-                            _whiteTexture = new Texture2D(2, 2);
-                            Color32[] color = new Color32[]
-                            {
-                                new Color32(255,255,255,255),
-                                new Color32(255,255,255,255),
-                                new Color32(255,255,255,255),
-                                new Color32(255,255,255,255),
-                            };
-                            _whiteTexture.SetPixels32(color);
-                            _whiteTexture.Apply();
-                        }
-                    }
-                    private static float GetCameraZoom(Camera camera)
-                    {
-                        const float DEFAULT_ZOOM = 1f;
-
-                        if (camera != null)
-                        {
-                            return camera.orthographicSize;
-                        }
-                        return DEFAULT_ZOOM;
 
                         //var currentDrawingSceneView = SceneView.currentDrawingSceneView;
                         //
@@ -229,6 +233,7 @@ namespace DCFApixels
                         //
                         //return DEFAULT_ZOOM;
                     }
+                    #endregion
                 }
                 #endregion
             }

Runtime/Materials/TextBackground.mat

@@ -0,0 +1,135 @@
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Runtime/Resources/DCFApixels.DebugX/MaterialsList.prefab

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Runtime/Shaders/TextBackground.shader

@@ -0,0 +1,59 @@
+Shader "DCFApixels/DebugX/TextBackground"
+{
+    Properties
+    {
+        _Color ("Color", Color) = (1,1,1,1)
+    }
+    SubShader
+    {
+        Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" "PreviewType"="Plane" }
+        Blend SrcAlpha OneMinusSrcAlpha
+        ZWrite Off Fog { Mode Off }
+	    Lighting Off 
+        ZTest Off
+
+        Pass
+        {
+            CGPROGRAM
+
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma multi_compile_instancing
+            #include "UnityCG.cginc"
+
+            struct appdata_t
+            {
+                float4 vertex : POSITION;
+                float4 color : COLOR;
+                UNITY_VERTEX_INPUT_INSTANCE_ID
+            };
+
+            struct v2f
+            {
+                float4 vertex : SV_POSITION;
+                float4 color : COLOR;
+            };
+
+            UNITY_INSTANCING_BUFFER_START(Props)
+                UNITY_DEFINE_INSTANCED_PROP(float4, _Color)
+            UNITY_INSTANCING_BUFFER_END(Props)
+
+            float4 _DebugX_GlobalColor;      
+
+            v2f vert (appdata_t v)
+            {
+                v2f o;
+                UNITY_SETUP_INSTANCE_ID(v);
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.color = v.color * UNITY_ACCESS_INSTANCED_PROP(Props, _Color) * _DebugX_GlobalColor;
+                return o;
+            }
+
+            float4 frag (v2f i) : SV_Target
+            {
+                return i.color * float4(1, 1, 1, 2);
+            }
+            ENDCG
+        }
+    }
+}

Runtime/Shaders/TextBackground.shader.meta

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Runtime/Utils/DebugXAssets.cs

@@ -47,6 +47,8 @@ namespace DCFApixels.DebugXCore
             public readonly Material Billboard;
             public readonly Material Dot;
             public readonly Material Wire;
+
+            internal readonly Material TextBackground;
         }
     }
 }

Runtime/Utils/DebugXTextSettings.cs

@@ -2,40 +2,44 @@
 
 namespace DCFApixels
 {
-    public struct DebugXTextSettings
+    public readonly struct DebugXTextSettings
     {
         public const TextAnchor DEFAULT_TEXT_ANCHOR = TextAnchor.MiddleLeft;
         public const int DEFAULT_FONT_SIZE = 16;
-        public static readonly DebugXTextSettings Default = new DebugXTextSettings(DEFAULT_FONT_SIZE, DEFAULT_TEXT_ANCHOR, default);
+        public static readonly DebugXTextSettings Default = new DebugXTextSettings(DEFAULT_FONT_SIZE, DEFAULT_TEXT_ANCHOR, default, 0);
+        public static readonly DebugXTextSettings WorldSpaceScale = Default.SetWorldSpaceScaleFactor(1f);
 
-        public int FontSize;
+        public readonly int FontSize;
-        public TextAnchor TextAnchor;
+        public readonly TextAnchor TextAnchor;
-        public Color BackgroundColor;
+        public readonly Color BackgroundColor;
+        public readonly float WorldSpaceScaleFactor;
         public bool IsHasBackground
         {
             get { return BackgroundColor.a > 0; }
         }
-        public DebugXTextSettings(int fontSize, TextAnchor textAnchor, Color backgroundColor)
+        public DebugXTextSettings(int fontSize, TextAnchor textAnchor, Color backgroundColor, float worldSpaceScaleFactor)
         {
             FontSize = fontSize;
             TextAnchor = textAnchor;
             BackgroundColor = backgroundColor;
+            WorldSpaceScaleFactor = worldSpaceScaleFactor;
         }
 
         public DebugXTextSettings SetSize(int fontSize)
         {
-            FontSize = fontSize;
+            return new DebugXTextSettings(fontSize, TextAnchor, BackgroundColor, WorldSpaceScaleFactor);
-            return this;
         }
         public DebugXTextSettings SetAnchor(TextAnchor textAnchor)
         {
-            TextAnchor = textAnchor;
+            return new DebugXTextSettings(FontSize, textAnchor, BackgroundColor, WorldSpaceScaleFactor);
-            return this;
         }
         public DebugXTextSettings SetBackground(Color backgroundColor)
         {
-            BackgroundColor = backgroundColor;
+            return new DebugXTextSettings(FontSize, TextAnchor, backgroundColor, WorldSpaceScaleFactor);
-            return this;
+        }
+        public DebugXTextSettings SetWorldSpaceScaleFactor(float factor)
+        {
+            return new DebugXTextSettings(FontSize, TextAnchor, BackgroundColor, factor);
         }
     }
 }

Samples/Sample.unity

@@ -4137,7 +4137,7 @@ GameObject:
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   m_Name: Hello World
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Samples/Scripts/DebugXSample_Other.cs

@@ -8,7 +8,6 @@ namespace DCFApixels.DebugXCore.Samples
         public Gradient Gradient;
         public float GradientMultiplier = 5;
         public Transform[] Points;
-        private static readonly Color _background = new Color(0, 0, 0, 0.5f);
 
 #if UNITY_EDITOR
         private void OnDrawGizmos()
@@ -29,7 +28,10 @@ namespace DCFApixels.DebugXCore.Samples
             i++; DebugX.Draw(GetColor(Points[i])).Cross(Points[i].position, Points[i].localScale.x);
             i++; DebugX.Draw(GetColor(Points[i])).BillboardCircle(Points[i].position, Points[i].localScale.x * RADIUS_M);
             i++; DebugX.Draw(GetColor(Points[i])).WireMesh<SphereMesh>(Points[i].position, Points[i].rotation, Points[i].localScale * RADIUS_M);
-            i++; DebugX.Draw(GetColor(Points[i])).Text(Points[i].position, Points[i].name, DebugXTextSettings.Default.SetBackground(Color.black));
+            Color backgroundColor = Color.white - GetColor(Points[i]);
+            //backgroundColor.a = 1;
+            backgroundColor.a = 0.5f;
+            i++; DebugX.Draw(GetColor(Points[i])).Text(Points[i].position, Points[i].name, DebugXTextSettings.Default.SetBackground(backgroundColor));
 
             i++; DebugX.Draw(GetColor(Points[i])).Dot(Points[i].position);
             i++; DebugX.Draw(GetColor(Points[i])).WireDot(Points[i].position);