# -*- coding: utf-8 -*-.py
# 场景骨架：四象限坐标系
from manim import *

class Skeleton_20250804_083501_757(Scene):
    # 定义坐标轴原点位置常量
    AXES_ORIGIN = ORIGIN
    
    def construct(self):
        # 创建坐标系(x∈[-3.5π,3.5π],y∈[-1.5,1.5])
        axes = Axes(
            x_range=[-3.5*PI, 3.5*PI, PI/2],
            y_range=[-1.5, 1.5, 0.5],
            axis_config={"color": WHITE},
            x_axis_config={"include_numbers": True},
            y_axis_config={"include_numbers": True}
        ).scale(0.8).shift(self.AXES_ORIGIN)
        
        # 添加坐标轴标签
        x_label = axes.get_x_axis_label("x", direction=DOWN)
        y_label = axes.get_y_axis_label("y", direction=LEFT)
        
        # 坐标轴淡入动画(持续4秒)
        self.play(
            FadeIn(axes, shift=UP*0.5),
            FadeIn(x_label, shift=RIGHT*0.3),
            FadeIn(y_label, shift=UP*0.3),
            run_time=4
        )
        self.wait(1)

if __name__ == "__main__":
    # 导入必要的模块
    import sys
    import os
    from manim import *

    # 设置 UTF-8 编码
    os.environ['PYTHONIOENCODING'] = 'utf-8'
    sys.stdout.reconfigure(encoding='utf-8')
    sys.stderr.reconfigure(encoding='utf-8')

    # 全局指定 ctex 模板(一次性)
    config.tex_template = TexTemplateLibrary.ctex
    # 设置输出格式为MP4
    config.output_format = "mp4"
    # 设置输出目录
    config.media_dir = "./output/videos/1080p60"
    # 使用临时配置渲染场景(配置只在with块内有效)
    with tempconfig({
        "quality": "high_quality",
        "background_color": BLACK,
        "preview": True,
        "pixel_height": 1080,
        "pixel_width": 1920,
        "frame_rate": 30
    }):
        # 实例化场景类
        scene = Skeleton_20250804_083501_757()
        # 执行渲染流程(包含文件生成和预览)
        scene.render()