Better heuristics to avoid full grid searches.

GodotComponentTest.csproj

@@ -35,4 +35,8 @@
 	  <Content Include="entities\WanderingEntity.tscn" />
 	  <Content Include="scenes\Tests\HexTile3DMaterialAssign.tscn" />
 	</ItemGroup>
+
+	<ItemGroup>
+	  <Compile Remove="tests\TileWorldTests.cs" />
+	</ItemGroup>
 </Project>

HexGrid.cs

@@ -28,6 +28,7 @@ public class HexGrid : Resource
 
 
     public float PathCostDefault = 1;
+    public int FindPathCheckedCells = 0;
 
     public Vector2 HexSize
     {
@@ -90,7 +91,7 @@ public class HexGrid : Resource
     {
         _minCoords = minCell;
         _maxCoords = maxCell;
-        _bounds = new Rect2(_minCoords.AxialCoords, (_maxCoords.AxialCoords - _minCoords.AxialCoords) + Vector2.One); 
+        _bounds = new Rect2(_minCoords.OffsetCoords, (_maxCoords.OffsetCoords - _minCoords.OffsetCoords) + Vector2.One); 
     }
 
     public void AddObstacle(Vector2 axialCoords, float cost = 0)
@@ -143,7 +144,8 @@ public class HexGrid : Resource
 
     public float GetHexCost(Vector2 axialCoords)
     {
-        if (!_bounds.HasPoint(axialCoords))
+        HexCell cell = new HexCell(axialCoords);
+        if (!_bounds.HasPoint(cell.OffsetCoords))
         {
             return 0;
         }
@@ -210,8 +212,11 @@ public class HexGrid : Resource
         cameFrom.Add(startHex.AxialCoords, startHex.AxialCoords);
         costSoFar.Add(startHex.AxialCoords, 0);
 
+        FindPathCheckedCells = 0;
+        
         while (frontier.Any())
         {
+            FindPathCheckedCells++;
             HexCell currentHex = new HexCell(frontier.Dequeue());
             Vector2 currentAxial = currentHex.AxialCoords;
             if (currentHex == goalHex)
@@ -249,6 +254,8 @@ public class HexGrid : Resource
             }
         }
 
+        // GD.Print("Checked Cell Count: " + FindPathCheckedCells);
+        
         if (!cameFrom.ContainsKey(goalHex.AxialCoords))
         {
             return new List<HexCell>();

assets/Environment/HexTileMesh.tres

@@ -6,6 +6,6 @@
 material = ExtResource( 1 )
 top_radius = 0.5
 bottom_radius = 0.5
-height = 10.0
+height = 5.0
 radial_segments = 6
 rings = 1

project.godot

@@ -9,17 +9,17 @@
 config_version=4
 
 _global_script_classes=[ {
-"base": "Node",
+"base": "Reference",
 "class": "ClickableComponent",
 "language": "GDScript",
 "path": "res://components/ClickableComponent.gd"
 }, {
-"base": "KinematicBody2D",
+"base": "Reference",
 "class": "CollisionLine",
 "language": "GDScript",
 "path": "res://utils/CollisionLine.gd"
 }, {
-"base": "Node",
+"base": "Reference",
 "class": "ColorComponent",
 "language": "GDScript",
 "path": "res://components/ColorComponent.gd"
@@ -54,7 +54,7 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://utils/SpringDamper.gd"
 }, {
-"base": "Sprite",
+"base": "Reference",
 "class": "TintedSpriteComponent",
 "language": "GDScript",
 "path": "res://components/TintedSpriteComponent.gd"

scenes/HexTile3D.cs

@@ -139,10 +139,4 @@ public class HexTile3D : Spatial
         IsMouseOver = false;
         _mesh.MaterialOverride = _previousMaterial;
     }
-
-//  // Called every frame. 'delta' is the elapsed time since the previous frame.
-//  public override void _Process(float delta)
-//  {
-//      
-//  }
 }

scenes/HexTile3D.tscn

@@ -19,18 +19,17 @@ flags_transparent = true
 albedo_color = Color( 0.968627, 0.882353, 0.529412, 0.501961 )
 
 [node name="HexTile3D" type="Spatial"]
-transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0.0096302, 0, 0 )
 script = ExtResource( 1 )
 
 [node name="Mesh" type="MeshInstance" parent="." groups=["GameGeometry"]]
-transform = Transform( -4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, -5, 0 )
+transform = Transform( -4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, -2.5, 0 )
 mesh = ExtResource( 3 )
 material/0 = ExtResource( 2 )
 
 [node name="StaticBody" type="StaticBody" parent="."]
 
 [node name="CollisionShape" type="CollisionShape" parent="StaticBody"]
-transform = Transform( -4.37114e-08, 0, 1, 0, 10, 0, -1, 0, -4.37114e-08, 0, -5, 0 )
+transform = Transform( -4.37114e-08, 0, 1, 0, 5, 0, -1, 0, -4.37114e-08, 0, -2.5, 0 )
 shape = SubResource( 5 )
 
 [node name="MeshInstance" type="MeshInstance" parent="StaticBody/CollisionShape" groups=["PhysicsGeometry"]]

scenes/TileWorld.cs

@@ -114,8 +114,9 @@ public class TileWorld : Spatial
 
         _halfSize = Mathf.RoundToInt((float)size) / 2;
         HexGrid.SetBounds(
-            HexGrid.GetHexAtOffset(new Vector2(-_halfSize, -_halfSize)),
-            HexGrid.GetHexAtOffset(new Vector2(_halfSize, _halfSize)));
+            TextureCoordToCell(new Vector2(0, 0)),
+            TextureCoordToCell(new Vector2(size, size))
+            );
 
         HexGrid.Obstacles.Clear();
         HexGrid.Barriers.Clear();