bevy-santa/src/kirby.rs

use crate::physics_body::PhysicsBody;
use crate::sphere_collider::SphereCollider;
use bevy::prelude::*;

#[derive(Component)]
#[require(Sprite, PhysicsBody, SphereCollider)]
pub struct Kirby {
    speed_force: f32,
}

pub fn kirby_spawn(mut commands: Commands, asset_server: Res<AssetServer>) {
    let sprite = Sprite::from_image(asset_server.load("sprites/kirby.png"));
    let body = PhysicsBody {
        mass: 10.0,
        force: Vec2::ZERO,
        velocity: Vec2::ZERO,
        drag: 0.05,
    };
    let transform = Transform::from_xyz(0.0, 0.0, 0.0).with_scale(Vec3::ONE * 0.25);
    commands.spawn((Kirby { speed_force: 50.0 }, transform, sprite, body));
}

pub fn get_dir(keys: Res<ButtonInput<KeyCode>>) -> Vec2 {
    if keys.pressed(KeyCode::Space) {
        println!("SUCKING");
    }

    let mut dir = Vec2::ZERO;

    if keys.pressed(KeyCode::KeyW) {
        dir.y += 1.0;
    }
    if keys.pressed(KeyCode::KeyS) {
        dir.y -= 1.0;
    }
    if keys.pressed(KeyCode::KeyA) {
        dir.x -= 1.0;
    }
    if keys.pressed(KeyCode::KeyD) {
        dir.x += 1.0;
    }

    dir.normalize_or_zero()
}

pub fn kirby_player_move(
    keys: Res<ButtonInput<KeyCode>>,
    mut query: Query<(&mut PhysicsBody, &Kirby), With<Kirby>>,
) {
    if keys.pressed(KeyCode::Space) {
        println!("SUCKING");
    }
    let dir = get_dir(keys);
    for (mut body, kirby) in &mut query {
        body.velocity += dir * kirby.speed_force;
    }
}

#[derive(Component)]
#[require(Sprite, Transform)]
pub struct KirbySuction {
    box_size: Vec2,
}