22 class SHIT_API SHIT_REFLECT(BlackList) CircleCollider2D : public Component {

23 SHIT_REFLECT_BODY(CircleCollider2D)

24 public:

25 CircleCollider2D();

26 explicit CircleCollider2D(float radius);

27 ~CircleCollider2D() override;

28

29 void onAttach() override;

30 void onDetach() override;

31 void onDestroy() override;

34 void ensureShape();

35

36 // --- 配置（可在 onAttach 前后调用） ---

37 void setRadius(float radius);

38 float getRadius() const { return m_radius; }

39

40 void setDensity(float density);

41 float getDensity() const { return m_density; }

42

43 void setFriction(float friction);

44 float getFriction() const { return m_friction; }

45

46 void setRestitution(float restitution);

47 float getRestitution() const { return m_restitution; }

48

49 private:

50 SHIT_META(({.displayName = "Radius", .tooltip = "碰撞圆半径（像素）", .range = {1, 1024}, .step = 1}))

51 float m_radius = 16.0f;

52 SHIT_META(({.displayName = "Density", .range = {0, 100}, .step = 0.1}))

53 float m_density = 1.0f;

54 SHIT_META(({.displayName = "Friction", .tooltip = "摩擦系数", .range = {0, 1}, .step = 0.05}))

55 float m_friction = 0.3f;

56 SHIT_META(({.displayName = "Restitution", .tooltip = "弹性系数", .range = {0, 1}, .step = 0.05}))

57 float m_restitution = 0.0f;

58

59 // b2ShapeId = {int32_t index1; uint16_t world0; uint16_t generation;}

60 SHIT_META(Disable)

61 int32_t m_shapeIndex = 0;

62 SHIT_META(Disable)

63 uint16_t m_shapeWorld0 = 0;

64 SHIT_META(Disable)

65 uint16_t m_shapeGeneration = 0;

66 SHIT_META(Disable)

67 bool m_shapeValid = false;

68 };