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Delete box2d.pyi
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from linalg import vec2, vec4
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from typing import Iterable, Protocol
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class _NodeLike(Protocol):
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def on_box2d_contact_begin(self, other: 'Body'): ...
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def on_box2d_contact_end(self, other: 'Body'): ...
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def on_box2d_pre_step(self): ...
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def on_box2d_post_step(self): ...
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class _DrawLike(Protocol):
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def draw_polygon(self, vertices: list[vec2], color: vec4): ...
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def draw_solid_polygon(self, vertices: list[vec2], color: vec4): ...
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def draw_circle(self, center: vec2, radius: float, color: vec4): ...
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def draw_solid_circle(self, center: vec2, radius: float, axis: vec2, color: vec4): ...
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def draw_segment(self, p1: vec2, p2: vec2, color: vec4): ...
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def draw_transform(self, position: vec2, rotation: float): ...
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def draw_point(self, p: vec2, size: float, color: vec4): ...
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class World:
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gravity: vec2 # gravity of the world, by default vec2(0, 0)
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def get_bodies(self) -> Iterable['Body']:
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"""return all bodies in the world."""
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def ray_cast(self, start: vec2, end: vec2) -> list['Body']:
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"""raycast from start to end"""
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def box_cast(self, lower: vec2, upper: vec2) -> list['Body']:
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"""query bodies in the AABB region."""
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def point_cast(self, point: vec2) -> list['Body']:
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"""query bodies that contain the point."""
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def step(self, dt: float, velocity_iterations: int, position_iterations: int) -> None:
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"""step the simulation, e.g. world.step(1/60, 8, 3)"""
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# enum
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# {
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# e_shapeBit = 0x0001, ///< draw shapes
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# e_jointBit = 0x0002, ///< draw joint connections
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# e_aabbBit = 0x0004, ///< draw axis aligned bounding boxes
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# e_pairBit = 0x0008, ///< draw broad-phase pairs
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# e_centerOfMassBit = 0x0010 ///< draw center of mass frame
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# };
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def debug_draw(self, flags: int):
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"""draw debug shapes of all bodies in the world."""
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def set_debug_draw(self, draw: _DrawLike):
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"""set the debug draw object."""
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def create_weld_joint(self, body_a: 'Body', body_b: 'Body'):
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"""create a weld joint between two bodies."""
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class Body:
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type: int # 0-static, 1-kinematic, 2-dynamic, by default 2
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gravity_scale: float
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fixed_rotation: bool
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enabled: bool
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bullet: bool # whether to use continuous collision detection
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@property
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def mass(self) -> float: ...
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@property
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def inertia(self) -> float: ...
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position: vec2
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rotation: float # in radians (counter-clockwise)
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velocity: vec2 # linear velocity
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angular_velocity: float
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damping: float # linear damping
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angular_damping: float
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# fixture settings
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density: float
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friction: float
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restitution: float
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restitution_threshold: float
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is_sensor: bool
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def __new__(cls, world: World, node: _NodeLike = None):
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"""create a body in the world."""
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def set_box_shape(self, hx: float, hy: float): ...
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def set_circle_shape(self, radius: float): ...
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def set_polygon_shape(self, points: list[vec2]): ...
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def set_chain_shape(self, points: list[vec2]): ...
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def apply_force(self, force: vec2, point: vec2): ...
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def apply_force_to_center(self, force: vec2): ...
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def apply_torque(self, torque: float): ...
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def apply_impulse(self, impulse: vec2, point: vec2): ...
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def apply_impulse_to_center(self, impulse: vec2): ...
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def apply_angular_impulse(self, impulse: float): ...
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def get_node(self) -> _NodeLike:
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"""return the node that is attached to this body."""
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def get_contacts(self) -> list['Body']:
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"""return all bodies that are in contact with this body."""
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def destroy(self):
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"""destroy this body."""
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