khora_data/ecs/components/physics/
physics_material.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_macros::Component;
16use serde::{Deserialize, Serialize};
17
18/// Defines the physical properties of a collider surface.
19#[derive(Debug, Clone, Copy, Component, Serialize, Deserialize)]
20pub struct PhysicsMaterial {
21    /// Friction coefficient.
22    pub friction: f32,
23    /// Restitution (bounciness) coefficient.
24    pub restitution: f32,
25}
26
27impl Default for PhysicsMaterial {
28    fn default() -> Self {
29        Self {
30            friction: 0.5,
31            restitution: 0.0,
32        }
33    }
34}