This commit is contained in:
BLUELOVETH 2023-08-04 13:21:55 +08:00
parent 52f90b5a65
commit f62a2d88cf

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@ -46,24 +46,11 @@ It hides the details of Box2D's API and provides a high-level interface.
from linalg import vec2, vec4
from typing import Iterable
class _NodeLike: # duck-type protocol
class _NodeLike: # duck-type protocol
def on_contact_begin(self, other: 'Body'): ...
def on_contact_end(self, other: 'Body'): ...
class DebugDraw:
# enum
# {
# e_shapeBit = 0x0001, ///< draw shapes
# e_jointBit = 0x0002, ///< draw joint connections
# e_aabbBit = 0x0004, ///< draw axis aligned bounding boxes
# e_pairBit = 0x0008, ///< draw broad-phase pairs
# e_centerOfMassBit = 0x0010 ///< draw center of mass frame
# };
def set_flags(self, flags: int): ...
def get_flags(self) -> int: ...
# pure virtual functions
class _DrawLike: # duck-type protocol
def draw_polygon(self, vertices: list[vec2], color: vec4): ...
def draw_solid_polygon(self, vertices: list[vec2], color: vec4): ...
def draw_circle(self, center: vec2, radius: float, color: vec4): ...
@ -75,16 +62,13 @@ class DebugDraw:
class World:
gravity: vec2 # gravity of the world, by default vec2(0, 0)
def create_body(self, node: _NodeLike = None) -> 'Body':
"""create a body in the world"""
def get_bodies(self) -> Iterable['Body']:
"""return all bodies in the world."""
def raycast(self, start: vec2, end: vec2) -> list['Body']:
"""raycast from start to end, return all bodies that intersect with the ray."""
def ray_cast(self, start: vec2, end: vec2) -> list['Body']:
"""raycast from start to end"""
def query_aabb(self, p0: vec2, p1: vec2) -> list['Body']:
def box_cast(self, p0: vec2, p1: vec2) -> list['Body']:
"""query bodies in the AABB region."""
def step(self, dt: float, velocity_iterations: int, position_iterations: int) -> None:
@ -93,10 +77,18 @@ class World:
def destroy(self):
"""destroy this world."""
def debug_draw(self):
# enum
# {
# e_shapeBit = 0x0001, ///< draw shapes
# e_jointBit = 0x0002, ///< draw joint connections
# e_aabbBit = 0x0004, ///< draw axis aligned bounding boxes
# e_pairBit = 0x0008, ///< draw broad-phase pairs
# e_centerOfMassBit = 0x0010 ///< draw center of mass frame
# };
def debug_draw(self, flags: int):
"""draw debug shapes of all bodies in the world."""
def set_debug_draw(self, draw: DebugDraw):
def set_debug_draw(self, draw: _DrawLike):
"""set the debug draw object."""
class Body:
@ -122,6 +114,9 @@ class Body:
restitution_threshold: float
is_trigger: bool
def __new__(cls, world: World, node: _NodeLike = None):
"""create a body in the world."""
def set_box_shape(self, hx: float, hy: float): ...
def set_circle_shape(self, radius: float): ...
def set_polygon_shape(self, points: list[vec2]): ...