player can hide from skeleton

game/src/enemy.rs

@@ -9,16 +9,14 @@ use fyrox::{
     },
     scene::{
         animation::spritesheet::SpriteSheetAnimation,
-        base::BaseBuilder,
-        collider::{BitMask, Collider, InteractionGroups},
+        collider::{BitMask, InteractionGroups},
         dim2::{
             physics::{Intersection, RayCastOptions},
-            rectangle::{Rectangle, RectangleBuilder},
+            rectangle::Rectangle,
             rigidbody::RigidBody,
         },
         graph::Graph,
         node::Node,
-        transform::TransformBuilder,
     },
     script::{ScriptContext, ScriptTrait},
 };
@@ -63,36 +61,22 @@ pub struct Enemy {
     attack_speed: f32,
 }
 impl Enemy {
-    // pub fn build(&self) {
-    // let mut material = Material::standard_2d();
-    // material
-    //     .set_property(
-    //         &ImmutableString::new("diffuseTexture"),
-    //         PropertyValue::Sampler {
-    //             value: Some(resource_manager.request::<Texture>(path)),
-    //             fallback: SamplerFallback::Normal,
-    //         },
-    //     )
-    //     .unwrap();
-    // material_resource = MaterialResource::new_ok(Default::default(), material);
-    //  }
-
     fn init(&mut self) {
         self.attack_damage = 2.0;
         self.attack_speed = 0.5;
     }
 
-    fn attack_player(&mut self, graph: &mut Graph) {
+    fn intersections(&self, graph: &mut Graph, max_len: f32) -> Option<Vec<Intersection>> {
         // Get *this* node instance
         let self_node = match graph.try_get(self.handle) {
             Some(node) => node,
-            None => return,
+            None => return None,
         };
 
         // Get the player node
         let player_node = match graph.try_get(self.player_handle) {
             Some(node) => node,
-            None => return,
+            None => return None,
         };
 
         // Get the current position of *this* node and the player node
@@ -109,32 +93,43 @@ impl Enemy {
             RayCastOptions {
                 ray_origin: Point2::new(self_position.x, self_position.y),
                 ray_direction: Vector2::new(direction.x, direction.y),
-                max_len: 1.,
+                max_len: max_len,
                 groups: InteractionGroups::new(
                     // Only collide with the player
                     BitMask(0b1000_0000_0000_0000_0000_0000_0000_0000),
                     BitMask(0b0111_1111_1111_1111_1111_1111_1111_1111),
                 ),
+                // groups: InteractionGroups::default(),
                 // Sort the results by distance
                 sort_results: true,
             },
             // Store the collisions in the vector
             &mut buffer,
         );
-        // If the ray hit the player, damage the player
-        for i in 0..buffer.len() {
-            if buffer[i].collider != self.player_collider {
-                continue;
-            }
-            match graph.try_get_script_of_mut::<Player>(self.player_handle) {
-                Some(script) => {
-                    script.take_damage(&self.attack_damage);
+        if buffer.len() == 0 {
+            return None;
+        }
+        return Some(buffer);
+    }
+
+    fn attack_player(&mut self, graph: &mut Graph) {
+        let collaider = self.intersections(graph, 1.);
+        if let Some(collaider_data) = collaider {
+            for i in 0..collaider_data.len() {
+                if collaider_data[i].collider != self.player_collider {
+                    continue;
                 }
-                None => {}
-            };
-            break;
+                match graph.try_get_script_of_mut::<Player>(self.player_handle) {
+                    Some(script) => {
+                        script.take_damage(&self.attack_damage);
+                    }
+                    None => {}
+                };
+                break;
+            }
         }
     }
+
     fn distance_to_player(&self, context: &mut ScriptContext) -> f32 {
         let mut graph_ctx = context.scene.graph.begin_multi_borrow::<2>();
         let enemy_rigid_body = graph_ctx
@@ -165,6 +160,24 @@ impl Enemy {
     }
 
     fn get_speed(&self, context: &mut ScriptContext) -> f32 {
+        let collaider = self.intersections(&mut context.scene.graph, 5.);
+        let mut see_player: bool = false;
+        if let Some(collaider_data) = collaider {
+            for i in 0..collaider_data.len() {
+                if collaider_data[i].toi == 0.0 {
+                    continue;
+                }
+                if collaider_data[i].collider == self.player_collider {
+                    see_player = true;
+                }
+                break;
+                
+            }
+        }
+        if !see_player {
+            return 0.0;
+        }
+
         let distance = self.distance_to_player(context);
         if distance > DISTANCE_TO_VIEW {
             return 0.0;