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This commit is contained in:
blueloveTH 2023-08-06 18:13:57 +08:00
parent fd224adb68
commit ddba3678d1
2 changed files with 58 additions and 1 deletions
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57
3rd/box2d/src/box2d_Body.cpp
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@ -41,6 +41,63 @@ void PyBody::_register(VM* vm, PyObject* mod, PyObject* type){
PK_REGISTER_PROPERTY(PyBody, "restitution_threshold: float", _b2Fixture, GetRestitutionThreshold, SetRestitutionThreshold) PK_REGISTER_PROPERTY(PyBody, "restitution_threshold: float", _b2Fixture, GetRestitutionThreshold, SetRestitutionThreshold)
PK_REGISTER_PROPERTY(PyBody, "is_trigger: bool", _b2Fixture, IsSensor, SetSensor) PK_REGISTER_PROPERTY(PyBody, "is_trigger: bool", _b2Fixture, IsSensor, SetSensor)
vm->bind(type, "set_box_shape(self, hx: float, hy: float)",
[](VM* vm, ArgsView args){
PyBody& body = CAST(PyBody&, args[0]);
float hx = CAST(float, args[1]);
float hy = CAST(float, args[2]);
b2PolygonShape shape;
shape.SetAsBox(hx, hy);
body.fixture = body.body->CreateFixture(&shape, 1.0f);
return vm->None;
});
vm->bind(type, "set_circle_shape(self, radius: float)",
[](VM* vm, ArgsView args){
PyBody& body = CAST(PyBody&, args[0]);
float radius = CAST(float, args[1]);
b2CircleShape shape;
shape.m_radius = radius;
body.fixture = body.body->CreateFixture(&shape, 1.0f);
return vm->None;
});
vm->bind(type, "set_polygon_shape(self, points: list[vec2])",
[](VM* vm, ArgsView args){
PyBody& body = CAST(PyBody&, args[0]);
List& points = CAST(List&, args[1]);
if(points.size() < 3 || points.size() > b2_maxPolygonVertices){
vm->ValueError("invalid vertices count");
}
b2PolygonShape shape;
std::vector<b2Vec2> vertices;
for(auto& point : points){
Vec2 vec = CAST(Vec2, point);
vertices.push_back(b2Vec2(vec.x, vec.y));
}
shape.Set(vertices.data(), vertices.size());
body.fixture = body.body->CreateFixture(&shape, 1.0f);
return vm->None;
});
vm->bind(type, "set_chain_shape(self, points: list[vec2])",
[](VM* vm, ArgsView args){
PyBody& body = CAST(PyBody&, args[0]);
List& points = CAST(List&, args[1]);
if(points.size() < 3){
vm->ValueError("invalid vertices count");
}
b2ChainShape shape;
std::vector<b2Vec2> vertices;
for(auto& point : points){
Vec2 vec = CAST(Vec2, point);
vertices.push_back(b2Vec2(vec.x, vec.y));
}
shape.CreateLoop(vertices.data(), vertices.size());
body.fixture = body.body->CreateFixture(&shape, 1.0f);
return vm->None;
});
// methods // methods
_bind(vm, type, "apply_force(self, force: vec2, point: vec2)", &PyBody::apply_force); _bind(vm, type, "apply_force(self, force: vec2, point: vec2)", &PyBody::apply_force);
_bind(vm, type, "apply_force_to_center(self, force: vec2)", &PyBody::apply_force_to_center); _bind(vm, type, "apply_force_to_center(self, force: vec2)", &PyBody::apply_force_to_center);

2
docs/modules/box2d.md
View File

@ -120,7 +120,7 @@ class Body:
def set_box_shape(self, hx: float, hy: float): ... def set_box_shape(self, hx: float, hy: float): ...
def set_circle_shape(self, radius: float): ... def set_circle_shape(self, radius: float): ...
def set_polygon_shape(self, points: list[vec2]): ... def set_polygon_shape(self, points: list[vec2]): ...
def set_chain_shape(self, points: list[vec2], loop: bool): ... def set_chain_shape(self, points: list[vec2]): ...
def apply_force(self, force: vec2, point: vec2): ... def apply_force(self, force: vec2, point: vec2): ...
def apply_force_to_center(self, force: vec2): ... def apply_force_to_center(self, force: vec2): ...