31 lines
1.2 KiB
Python
31 lines
1.2 KiB
Python
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import manim
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from manim import *
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# pip install manim-physics
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# https://manim-physics.readthedocs.io/en/latest/reference/manim_physics.electromagnetism.magnetostatics.MagneticField.html
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from manim_physics import *
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class MagneticFieldExample(ThreeDScene):
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def construct(self):
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wire = Wire(Circle(2).rotate(PI / 2, UP))
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mag_field = MagneticField(
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wire,
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x_range=[-4, 4],
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y_range=[-4, 4],
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)
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self.set_camera_orientation(PI / 3, PI / 4)
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self.add(wire, mag_field)
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if __name__ == '__main__':
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# 配置字典说明：
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config = {
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"quality": "low_quality", # 渲染质量等级（low_quality对应480p）
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"preview": True, # 渲染完成后自动打开播放器
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"input_file": __file__, # 指定输入文件为当前文件
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"media_dir": "./custom_output" # 自定义输出目录（默认在media/）
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}
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# 使用临时配置渲染场景（配置只在with块内有效）
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with manim.tempconfig(config):
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# 实例化场景类
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scene = MagneticFieldExample()
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# 执行渲染流程（包含文件生成和预览）
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scene.render()
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