From fdee6aa8cf2c51d5004d914458ff661da366e883 Mon Sep 17 00:00:00 2001
From: Alexander Foremny <aforemny@posteo.de>
Date: Fri, 15 Mar 2024 14:04:17 +0100
Subject: feat: add health/ damage

---
 src/client.rs | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'src/client.rs')

diff --git a/src/client.rs b/src/client.rs
index a5a7845..174d615 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -1,5 +1,6 @@
 use crate::client::network::*;
 use crate::protocol::*;
+use crate::shared::health::*;
 use crate::shared::imperative::*;
 use crate::shared::projectile::*;
 use crate::shared::*;
@@ -45,8 +46,15 @@ impl Plugin for ClientPlugin {
                 transport: self.transport.clone(),
             })
             .add_systems(Startup, setup)
-            .add_systems(Update, (render_players, render_projectiles))
             .add_systems(Update, (move_players, move_projectiles))
+            .add_systems(
+                Update,
+                (
+                    render_players.after(move_players),
+                    render_projectiles.after(move_projectiles),
+                    render_health,
+                ),
+            )
             .add_systems(
                 FixedPreUpdate,
                 buffer_input.in_set(InputSystemSet::BufferInputs),
@@ -214,3 +222,13 @@ fn player_position(
     }
     None
 }
+
+const HEALTH_OFFSET: f32 = 4.;
+
+fn render_health(players: Query<(&Health, &PlayerPosition)>, mut gizmos: Gizmos) {
+    for (health, position) in players.iter() {
+        let start = position.0 + Vec2::new(-PLAYER_RADIUS, PLAYER_RADIUS + HEALTH_OFFSET);
+        let end = position.0 + Vec2::new(PLAYER_RADIUS, PLAYER_RADIUS + HEALTH_OFFSET);
+        gizmos.line_2d(start, start.lerp(end, health.0 / MAX_HEALTH), Color::RED);
+    }
+}
-- 
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