Support EffectiveCharacterMovement addition of is_sliding_down_slope (#…

…353) * Support EffectiveCharacterMovement addition of is_sliding_down_slope --------- Co-authored-by: Thierry Berger <[email protected]> Co-authored-by: Jeff425 <[email protected]>
dimforge · May 20, 2024 · 032bd5c · 032bd5c
1 parent 05b4092
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Added
 
 - Derive `Debug` for `LockedAxes`.
+- Expose `is_sliding_down_slope` to both `MoveShapeOutput` and `KinematicCharacterControllerOutput`.
 
 ## v0.26.0 (05 May 2024)
 

diff --git a/src/control/character_controller.rs b/src/control/character_controller.rs
@@ -217,6 +217,8 @@ pub struct KinematicCharacterControllerOutput {
     pub effective_translation: Vect,
     /// Collisions between the character and obstacles found in its path.
     pub collisions: Vec<CharacterCollision>,
+    /// Indicates whether the shape is sliding down a slope after its kinematic movement.
+    pub is_sliding_down_slope: bool,
 }
 
 /// The allowed movement computed by `RapierContext::move_shape`.
@@ -225,4 +227,6 @@ pub struct MoveShapeOutput {
     pub grounded: bool,
     /// The translation calculated by the last character control step taking obstacles into account.
     pub effective_translation: Vect,
+    /// Indicates whether the shape is sliding down a slope after its kinematic movement.
+    pub is_sliding_down_slope: bool,
 }
diff --git a/src/plugin/context.rs b/src/plugin/context.rs
@@ -468,6 +468,7 @@ impl RapierContext {
         MoveShapeOutput {
             effective_translation: result.translation.into(),
             grounded: result.grounded,
+            is_sliding_down_slope: result.is_sliding_down_slope,
         }
     }
 

diff --git a/src/plugin/systems/character_controller.rs b/src/plugin/systems/character_controller.rs
@@ -150,6 +150,7 @@ pub fn update_character_controls(
                 output.grounded = movement.grounded;
                 output.collisions.clear();
                 output.collisions.extend(converted_collisions);
+                output.is_sliding_down_slope = movement.is_sliding_down_slope;
             } else {
                 commands
                     .entity(entity)
@@ -158,6 +159,7 @@ pub fn update_character_controls(
                         effective_translation: movement.translation.into(),
                         grounded: movement.grounded,
                         collisions: converted_collisions.collect(),
+                        is_sliding_down_slope: movement.is_sliding_down_slope,
                     });
             }