feat: Add fulgur avis spell (using bevy_trickfilm)

Author: PraxTube

CREDITS.md

@@ -25,6 +25,8 @@ https://stealthix.itch.io/animated-fires
 ### Lightning
 
 https://sanctumpixel.itch.io/lightning-lines-pixel-art-effect
+https://pimen.itch.io/thunder-spell-effect-01
+https://pimen.itch.io/thunder-spell-effect-02
 
 ### Statue Beam Effect and Statue Unlock Effect
 
@@ -34,6 +36,10 @@ https://ansimuz.itch.io/warped-shooting-fx
 
 https://creativekind.itch.io/necromancer-free
 
+### Air spells (aer tracto, aer pello)
+
+https://pimen.itch.io/wind-spell-effect
+
 ---
 
 ## UI

Cargo.lock

@@ -22,3 +22,4 @@ bevy_asset_loader = { version = "0.18.0", features = ["2d"] }
 bevy_ecs_ldtk = { git = "https://github.com/PraxTube/bevy_ecs_ldtk.git", branch = "feat/bevy-0.12", features = ["atlas"]}
 bevy_rapier2d = "0.23.0"
 bevy_kira_audio = "0.18.0"
+bevy_trickfilm = { version = "0.5.0"}

Cargo.toml

@@ -0,0 +1,12 @@
+[
+    (
+        name: "spawn",
+        keyframes: KeyframesRange((start: 0, end: 8)),
+        duration: 0.8,
+    ),
+    (
+        name: "fly",
+        keyframes: KeyframesRange((start: 8, end: 16)),
+        duration: 0.8,
+    ),
+]

assets/lightning_bird.png

@@ -0,0 +1,7 @@
+[
+    (
+        name: "main",
+        keyframes: KeyframesRange((start: 0, end: 13)),
+        duration: 0.6,
+    ),
+]

assets/lightning_bird.trickfilm

@@ -2,6 +2,7 @@ use bevy::prelude::*;
 use bevy_asset_loader::prelude::*;
 use bevy_ecs_ldtk::prelude::LdtkProject;
 use bevy_kira_audio::AudioSource;
+use bevy_trickfilm::prelude::*;
 
 #[derive(AssetCollection, Resource)]
 pub struct GameAssets {
@@ -21,6 +22,23 @@ pub struct GameAssets {
     #[asset(path = "lightning.png")]
     pub lightning: Handle<TextureAtlas>,
 
+    #[asset(texture_atlas(tile_size_x = 66.0, tile_size_y = 66.0, columns = 13, rows = 1))]
+    #[asset(path = "lightning_strike.png")]
+    pub lightning_strike: Handle<TextureAtlas>,
+    #[asset(paths("lightning_strike.trickfilm#main"), collection(typed))]
+    pub lightning_strike_animations: Vec<Handle<AnimationClip2D>>,
+
+    #[asset(texture_atlas(tile_size_x = 50.0, tile_size_y = 50.0, columns = 16, rows = 1))]
+    #[asset(path = "lightning_bird.png")]
+    pub lightning_bird: Handle<TextureAtlas>,
+    #[asset(
+        paths("lightning_bird.trickfilm#spawn", "lightning_bird.trickfilm#fly"),
+        collection(typed)
+    )]
+    pub lightning_bird_animations: Vec<Handle<AnimationClip2D>>,
+    #[asset(path = "sounds/lightning_bird_flap.ogg")]
+    pub lightning_bird_flap_sound: Handle<AudioSource>,
+
     #[asset(texture_atlas(tile_size_x = 48.0, tile_size_y = 48.0, columns = 7, rows = 1))]
     #[asset(path = "aer_tracto.png")]
     pub aer_tracto: Handle<TextureAtlas>,

assets/lightning_strike.png

@@ -7,6 +7,7 @@ use crate::spell::aer_tracto::AerTracto;
 use crate::spell::fireball::Fireball;
 use crate::spell::icicle::Icicle;
 use crate::spell::lightning::Lightning;
+use crate::spell::lightning_bird::LightningStrike;
 use crate::ui::health::Health;
 
 fn player_collisions(
@@ -119,6 +120,7 @@ fn fireball_collisions(
 fn lightning_collisions(
     mut q_enemies: Query<(&mut SlimeEnemy, &mut Health, &mut Velocity)>,
     q_lightnings: Query<&Lightning>,
+    q_lightning_strikes: Query<&LightningStrike>,
     q_colliders: Query<&Parent, (With<Collider>, Without<Enemy>)>,
     mut ev_collision_events: EventReader<CollisionEvent>,
 ) {
@@ -150,16 +152,20 @@ fn lightning_collisions(
             continue;
         }
 
-        let lightning = if let Ok(l) = q_lightnings.get(source_parent) {
-            l
+        let damage = if let Ok(l) = q_lightnings.get(source_parent) {
+            l.damage
         } else if let Ok(l) = q_lightnings.get(target_parent) {
-            l
+            l.damage
+        } else if let Ok(l) = q_lightning_strikes.get(source_parent) {
+            l.damage
+        } else if let Ok(l) = q_lightning_strikes.get(target_parent) {
+            l.damage
         } else {
             continue;
         };
 
+        slime_health.health -= damage;
         velocity.linvel = Vec2::ZERO;
-        slime_health.health -= lightning.damage;
         slime.state = SlimeState::Staggering;
     }
 }

assets/lightning_strike.trickfilm

@@ -20,6 +20,7 @@ use bevy_rapier2d::prelude::*;
 use bevy_screen_diagnostics::{
     ScreenDiagnosticsPlugin, ScreenEntityDiagnosticsPlugin, ScreenFrameDiagnosticsPlugin,
 };
+use bevy_trickfilm::Animation2DPlugin;
 
 const BACKGROUND_COLOR: Color = Color::rgb(0.95, 0.90, 0.75);
 
@@ -58,7 +59,8 @@ fn main() {
             ScreenFrameDiagnosticsPlugin,
             ScreenEntityDiagnosticsPlugin,
             RapierPhysicsPlugin::<NoUserData>::default(),
-            // RapierDebugRenderPlugin::default(),
+            RapierDebugRenderPlugin::default(),
+            Animation2DPlugin,
         ))
         .insert_resource(Msaa::Off)
         .add_state::<GameState>()