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.
 */

use std::time::{Duration, Instant};

#[derive(Debug)]
pub struct Time {
    last_frame: Instant,
    delta_time: Duration,
    total_time: Duration,
    frame_count: u64,
}

impl Time {
    pub fn new() -> Self {
        let now = Instant::now();
        Self {
            last_frame: now,
            delta_time: Duration::from_secs(0),
            total_time: Duration::from_secs(0),
            frame_count: 0,
        }
    }

    pub fn tick(&mut self) {
        let now = Instant::now();
        self.delta_time = now.duration_since(self.last_frame);
        self.total_time += self.delta_time;
        self.last_frame = now;
        self.frame_count += 1;
    }

    pub fn delta_time(&self) -> f32 {
        self.delta_time.as_secs_f32()
    }

    pub fn total_time(&self) -> f32 {
        self.total_time.as_secs_f32()
    }

    pub fn frame_count(&self) -> u64 {
        self.frame_count
    }

    pub fn fps(&self) -> f32 {
        if self.delta_time.as_secs_f32() > 0.0 {
            1.0 / self.delta_time.as_secs_f32()
        } else {
            0.0
        }
    }
}

impl Default for Time {
    fn default() -> Self {
        Self::new()
    }
}