shadowengine2d 2.0.0

A comprehensive 2D game engine built in Rust with ECS, rendering, audio, assets, animations, and scene management
Documentation 
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/*
 * MIT License
 * 
 * Copyright (c) 2025 ShadowEngine2D
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

pub use glam::{Vec2, Vec3, Vec4, Mat3, Mat4, Quat};

pub type Position = Vec2;

pub type Size = Vec2;

#[derive(Debug, Clone, Copy, PartialEq, serde::Serialize, serde::Deserialize)]
pub struct Color {
    pub r: f32,
    pub g: f32, 
    pub b: f32,
    pub a: f32,
}

impl Color {
    pub const WHITE: Color = Color { r: 1.0, g: 1.0, b: 1.0, a: 1.0 };
    pub const BLACK: Color = Color { r: 0.0, g: 0.0, b: 0.0, a: 1.0 };
    pub const RED: Color = Color { r: 1.0, g: 0.0, b: 0.0, a: 1.0 };
    pub const GREEN: Color = Color { r: 0.0, g: 1.0, b: 0.0, a: 1.0 };
    pub const BLUE: Color = Color { r: 0.0, g: 0.0, b: 1.0, a: 1.0 };
    pub const TRANSPARENT: Color = Color { r: 0.0, g: 0.0, b: 0.0, a: 0.0 };

    pub fn new(r: f32, g: f32, b: f32, a: f32) -> Self {
        Self { r, g, b, a }
    }

    pub fn rgb(r: f32, g: f32, b: f32) -> Self {
        Self { r, g, b, a: 1.0 }
    }

    pub fn as_array(&self) -> [f32; 4] {
        [self.r, self.g, self.b, self.a]
    }
}

#[derive(Debug, Clone, Copy, PartialEq, serde::Serialize, serde::Deserialize)]
pub struct Rect {
    pub x: f32,
    pub y: f32,
    pub width: f32,
    pub height: f32,
}

impl Rect {
    pub fn new(x: f32, y: f32, width: f32, height: f32) -> Self {
        Self { x, y, width, height }
    }

    pub fn position(&self) -> Position {
        Position::new(self.x, self.y)
    }

    pub fn size(&self) -> Size {
        Size::new(self.width, self.height)
    }

    pub fn center(&self) -> Position {
        Position::new(self.x + self.width / 2.0, self.y + self.height / 2.0)
    }

    pub fn contains_point(&self, point: Position) -> bool {
        point.x >= self.x 
            && point.x <= self.x + self.width
            && point.y >= self.y
            && point.y <= self.y + self.height
    }
}