khora_data/ecs/components/physics/
rigid_body.rs

1// Copyright 2025 eraflo
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use khora_core::math::Vec3;
16use khora_core::physics::{BodyType, RigidBodyHandle};
17use khora_macros::Component;
18use serde::{Deserialize, Serialize};
19
20/// Component representing a rigid body in the physics simulation.
21#[derive(Debug, Clone, Component, Serialize, Deserialize)]
22#[component(domain = Physics)]
23pub struct RigidBody {
24    /// Opaque handle used by the physics provider.
25    #[component(skip)]
26    pub handle: Option<RigidBodyHandle>,
27    /// Global type of the body (Static, Dynamic, Kinematic).
28    pub body_type: BodyType,
29    /// Mass of the body in kilograms.
30    pub mass: f32,
31    /// Whether to enable Continuous Collision Detection (CCD).
32    pub ccd_enabled: bool,
33    /// Current linear velocity.
34    pub linear_velocity: Vec3,
35    /// Current angular velocity.
36    pub angular_velocity: Vec3,
37}
38
39impl Default for RigidBody {
40    fn default() -> Self {
41        Self {
42            handle: None,
43            body_type: BodyType::Dynamic,
44            mass: 1.0,
45            ccd_enabled: false,
46            linear_velocity: Vec3::ZERO,
47            angular_velocity: Vec3::ZERO,
48        }
49    }
50}
51
52impl RigidBody {
53    /// Creates a new dynamic rigid body.
54    pub fn new_dynamic(mass: f32) -> Self {
55        Self {
56            handle: None,
57            body_type: BodyType::Dynamic,
58            mass,
59            ccd_enabled: false,
60            linear_velocity: Vec3::ZERO,
61            angular_velocity: Vec3::ZERO,
62        }
63    }
64
65    /// Creates a new static rigid body.
66    pub fn new_static() -> Self {
67        Self {
68            handle: None,
69            body_type: BodyType::Static,
70            mass: 0.0,
71            ccd_enabled: false,
72            linear_velocity: Vec3::ZERO,
73            angular_velocity: Vec3::ZERO,
74        }
75    }
76}
khora_data/ecs/components/physics/rigid_body.rs

khora_data/ecs/components/physics/
rigid_body.rs
