jumping, character controller fixes

src/game/player.rs

@@ -58,30 +58,37 @@ fn move_player(
         &mut KinematicCharacterController,
     )>,
     mut camera_query: Query<&mut Transform, (With<Camera2d>, Without<Player>)>,
+    phys: Query<&KinematicCharacterControllerOutput>,
+    player_coords: Res<PlayerCoords>,
     time: Res<Time>,
 ) {
     let (mut vel, p_transform, mut player, mut controller) = query.single_mut();
     let (mut cam_transform) = camera_query.single_mut();
+    let (output) = phys.get_single();
     if player.move_cooldown.tick(time.delta()).finished() {
         let mut moved = false;
-        let mut mv = 0;
+        let mut move_x = 0;
+        let mut move_y = 0;
         let mut jump = false;
 
         if kb_input.pressed(KeyCode::KeyA) {
             moved = true;
-            mv -= 1;
+            move_x -= 1;
         }
         if kb_input.pressed(KeyCode::KeyD) {
             moved = true;
-            mv += 1;
+            move_x += 1;
+        }
+        if kb_input.pressed(KeyCode::Space) && output.is_ok_and(|x| x.grounded) {
+            moved = true;
+            move_y += 1;
         }
 
         let orig = cam_transform.translation;
         cam_transform.translation -= ((orig - p_transform.translation.xy().extend(0.0)) / 30.0);
 
-        if moved {
+        controller.translation = Some(Vec2::new(move_x as f32 * 6., 0. - 0.01));
-            controller.translation = Some(Vec2::new(mv as f32 * 6., 0.));
+        vel.linvel += Vec2::new(0., move_y as f32 * 3. * METER);
-        }
     }
 }
 
@@ -142,6 +149,7 @@ fn add_player(
         .insert((
             RigidBody::Dynamic,
             player_coords.get_collider(),
+            LockedAxes::ROTATION_LOCKED,
             Velocity::default(),
         ))
         .insert(KinematicCharacterController {
@@ -159,7 +167,7 @@ fn add_player(
             //max_slope_climb_angle: todo!(),
             //min_slope_slide_angle: todo!(),
             //apply_impulse_to_dynamic_bodies: todo!(),
-            // snap_to_ground: Some(CharacterLength::Absolute(100.0)),
+            snap_to_ground: Some(CharacterLength::Absolute(0.5)),
             //filter_flags: todo!(),
             //filter_groups: todo!(),
             // normal_nudge_factor: 1.,

src/game/scene.rs

@@ -19,9 +19,9 @@ struct Block;
 
 #[derive(Resource, Default, Clone, Copy)]
 pub struct PlayerCoords {
-    x: f32,
+    pub x: f32,
-    y: f32,
+    pub y: f32,
-    block_size: f32,
+    pub block_size: f32,
 }
 
 impl PlayerCoords {

src/main.rs

@@ -5,7 +5,7 @@ use game::game_plugin;
 
 mod game;
 
-const METER: f32 = 30.;
+const METER: f32 = 60.;
 
 #[derive(States, Debug, Clone, PartialEq, Eq, Hash, Default)]
 enum AppState {
@@ -26,7 +26,7 @@ fn main() {
     let rapier_config = RapierConfiguration {
         scaled_shape_subdivision: 10,
         timestep_mode: TimestepMode::Variable {
-            max_dt: 0.1,
+            max_dt: 0.5,
             time_scale: 1.0,
             substeps: 20,
         },