This commit is contained in:
2025-06-23 21:21:09 -04:00
parent de8d52ff84
commit 1e70c0a42d
2 changed files with 0 additions and 147 deletions

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@@ -1,63 +0,0 @@
use bevy::prelude::*;
use bevy_rapier3d::prelude::*;
#[derive(Component, Reflect, Clone, Copy)]
#[require(
GravityDirection,
RigidBody,
Transform,
ExternalForce,
LinearVelocity,
GravityScale,
CharacterMotion,
CharacterRotation
)]
pub struct CharacterController {
pub step_height: f32,
pub max_slope: f32,
height: f32,
radius: f32,
pub is_grounded: bool,
}
impl Default for CharacterController {
fn default() -> Self {
return Self {
height: 1.0,
radius: 0.5,
max_slope: 0.5,
step_height: 0.25,
is_grounded: false,
};
}
}
impl CharacterController {
#[allow(dead_code)]
pub fn with_size(mut self, height: f32, radius: f32) -> Self {
self.height = height;
self.radius = radius;
return self;
}
pub fn height(&self) -> f32 {
self.height
}
pub fn radius(&self) -> f32 {
self.radius
}
}
#[derive(Component, Default, Reflect)]
pub struct CharacterMotion(pub Vec3);
#[derive(Component, Default, Reflect)]
pub struct CharacterRotation(pub Quat);
#[derive(Component, Reflect)]
pub struct GravityDirection(pub Dir3);
impl Default for GravityDirection {
fn default() -> Self {
return GravityDirection(Dir3::NEG_Y);
}
}

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@@ -1,84 +0,0 @@
use bevy::prelude::*;
use bevy_rapier3d::prelude::*;
use crate::components::character_controller::{
CharacterController, CharacterMotion, CharacterRotation, GravityDirection,
};
pub struct CharacterControllerPlugin;
impl Plugin for CharacterControllerPlugin {
fn build(&self, app: &mut App) {
app.add_systems(PreStartup, setup_hooks);
app.add_systems(Update, is_grounded);
app.add_systems(Update, (apply_gravity, apply_forces, apply_motion).chain());
}
}
fn setup_hooks(world: &mut World) {
world
.register_component_hooks::<CharacterController>()
.on_insert(|mut world, ctx| {
let controller = world.get::<CharacterController>(ctx.entity).unwrap();
let height = controller.height();
let radius = controller.radius();
let mut commands = world.commands();
let mut entity_commands = commands.entity(ctx.entity);
entity_commands.insert((
RigidBody::KinematicPositionBased,
Collider::capsule_y(radius, height),
ExternalForce::default(),
));
});
}
fn is_grounded(controllers: Query<(&mut CharacterController, &RayHits)>) {
for (mut controller, hits) in controllers {
controller.is_grounded = !hits.is_empty();
println!("{}", controller.is_grounded);
}
}
fn apply_gravity(
controllers: Query<(
&mut ExternalForce,
&GravityScale,
&GravityDirection,
Option<&Mass>,
&CharacterController,
)>,
time: Res<Time>,
) {
for (mut force, grav_scale, grav_dir, mass, controller) in controllers {
if controller.is_grounded {
continue;
}
let m = if let Some(mass) = mass { mass.0 } else { 1.0 };
force.apply_force(grav_dir.0 * grav_scale.0 * 9.3 * m * time.delta_secs());
}
}
fn apply_motion(
controllers: Query<
(&LinearVelocity, &CharacterMotion, &CharacterRotation, &mut Transform),
With<CharacterController>,
>,
time: Res<Time>,
) {
for (lin_vel, motion, _rotation, mut transform) in controllers {
let move_vec = transform.rotation * motion.0;
let vel = (lin_vel.0 + move_vec) * time.delta_secs();
transform.translation += vel;
}
}
fn apply_forces(
controllers: Query<(&mut LinearVelocity, &mut ExternalForce), With<CharacterController>>,
time: Res<Time>,
) {
for (mut vel, mut force) in controllers {
vel.0 += force.force() * time.delta_secs();
force.clear();
}
}