dash drop indicators

systems/dash/DashSystem.cs

@@ -27,6 +27,10 @@ public partial class DashSystem: Node3D
     private Camera3D _camera;
     private TweenQueueSystem _tweenQueueSystem;
     private Vector3 _dashDirection = Vector3.Zero;
+    
+    private ShapeCast3D _dashCastDrop;
+    private MeshInstance3D _dashDropIndicator;
+    private MeshInstance3D _dashDropLocationIndicator;
 
     private MantleSystem _mantleSystem;
     private MeshInstance3D _dashTarget;
@@ -56,6 +60,12 @@ public partial class DashSystem: Node3D
         var dashShape = _dashCast3D.GetShape() as SphereShape3D;
         DashCastRadius = dashShape!.Radius;
         
+        _dashCastDrop = GetNode<ShapeCast3D>("DashCastDrop");
+        _dashDropIndicator = GetNode<MeshInstance3D>("DashDropIndicator");
+        _dashDropIndicator.Visible = false;
+        _dashDropLocationIndicator = GetNode<MeshInstance3D>("DashDropLocationIndicator");
+        _dashDropLocationIndicator.Visible = false;
+        
         _playerCast3D = GetNode<ShapeCast3D>("PlayerShapeCast3D");
         var playerShape = _playerCast3D.GetShape() as CapsuleShape3D;
         _playerHeight = playerShape!.Height;
@@ -118,11 +128,35 @@ public partial class DashSystem: Node3D
         _dashTarget.SetVisible(true);
         var targetLocation = ShouldMantle ? PlannedMantleLocation : PlannedLocation;
         _dashTarget.SetGlobalPosition(targetLocation);
+        
+        var shouldShowDropIndicator = !HasHit && !ShouldMantle;
+        _dashDropIndicator.SetVisible(shouldShowDropIndicator);
+        _dashDropLocationIndicator.SetVisible(shouldShowDropIndicator);
+        if (shouldShowDropIndicator)
+        {
+            _dashCastDrop.GlobalPosition = targetLocation;  // Place drop indication cast at dash location
+            var startDropLocation = targetLocation;  // Start of the drop is the dash target location 
+            
+            // End of the drop is either max cast distance or first collision
+            var hasDropLocationHit = _dashCastDrop.IsColliding();
+            var endDropLocation = hasDropLocationHit ? _dashCastDrop.GetCollisionPoint(0) : _dashCastDrop.ToGlobal(_dashCast3D.TargetPosition);
+            
+            // Only show drop location indicator if drop cast has hit
+            _dashDropLocationIndicator.SetVisible(hasDropLocationHit);
+            _dashDropLocationIndicator.SetGlobalPosition(endDropLocation);
+            
+            var dropLength = (endDropLocation - startDropLocation).Length();
+            var dropDirection = (endDropLocation - startDropLocation).Normalized();
+            _dashDropIndicator.SetScale(new Vector3(1, dropLength, 1));
+            _dashDropIndicator.SetGlobalPosition(startDropLocation + dropDirection * dropLength * 0.5f);
+        }
     }
 
     public void StopPreparingDash()
     {
         _dashTarget.SetVisible(false);
+        _dashDropIndicator.SetVisible(false);
+        _dashDropLocationIndicator.SetVisible(false);
     }
 
     public void StartPreparingDash()

systems/dash/dash_system.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=8 format=3 uid="uid://cqduhd4opgwvm"]
+[gd_scene load_steps=10 format=3 uid="uid://cqduhd4opgwvm"]
 
 [ext_resource type="Script" uid="uid://dwoppk8j5fxeg" path="res://systems/dash/DashSystem.cs" id="1_hwig2"]
 [ext_resource type="Shape3D" uid="uid://keseacdcooot" path="res://player_controller/resources/PlayerShape.tres" id="2_jngg2"]
@@ -11,6 +11,15 @@
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_v31n3"]
 
+[sub_resource type="CylinderMesh" id="CylinderMesh_jngg2"]
+top_radius = 0.1
+bottom_radius = 0.1
+height = 1.0
+
+[sub_resource type="TorusMesh" id="TorusMesh_tqt6i"]
+inner_radius = 0.1
+outer_radius = 0.5
+
 [node name="DashSystem" type="Node3D"]
 script = ExtResource("1_hwig2")
 DashIndicatorScene = ExtResource("2_tqt6i")
@@ -30,6 +39,14 @@ max_results = 1
 collision_mask = 2
 debug_shape_custom_color = Color(0.911631, 0.11884, 0.656218, 1)
 
+[node name="DashCastDrop" type="ShapeCast3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, -4.371139e-08, 1, 0, -1, -4.371139e-08, 0, 1.6, 0)
+shape = SubResource("SphereShape3D_jngg2")
+target_position = Vector3(0, 0, -50)
+max_results = 1
+collision_mask = 2
+debug_shape_custom_color = Color(0.911631, 0.11884, 0.656218, 1)
+
 [node name="DashTarget" type="MeshInstance3D" parent="."]
 mesh = SubResource("SphereMesh_qu4wy")
 surface_material_override/0 = SubResource("StandardMaterial3D_v31n3")
@@ -40,3 +57,9 @@ MantleHeightCastStart = 2.0
 
 [node name="DashIndicator" parent="." instance=ExtResource("2_tqt6i")]
 visible = false
+
+[node name="DashDropIndicator" type="MeshInstance3D" parent="."]
+mesh = SubResource("CylinderMesh_jngg2")
+
+[node name="DashDropLocationIndicator" type="MeshInstance3D" parent="."]
+mesh = SubResource("TorusMesh_tqt6i")