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Physics2D: Automatically compute center of mass

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This commit is contained in:
Lynix
2019-03-17 15:56:38 +01:00
parent b6c1bfb5d0
commit 439a62a7f8
5 changed files with 54 additions and 4 deletions
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7
include/Nazara/Physics2D/Collider2D.hpp
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@@ -41,6 +41,7 @@ namespace Nz
Collider2D(Collider2D&&) = delete;
virtual ~Collider2D();
virtual Nz::Vector2f ComputeCenterOfMass() const = 0;
virtual float ComputeMomentOfInertia(float mass) const = 0;
inline UInt32 GetCategoryMask() const;
@@ -99,6 +100,7 @@ namespace Nz
BoxCollider2D(const Vector2f& size, float radius = 0.f);
BoxCollider2D(const Rectf& rect, float radius = 0.f);
Nz::Vector2f ComputeCenterOfMass() const override;
float ComputeMomentOfInertia(float mass) const override;
inline float GetRadius() const;
@@ -125,6 +127,7 @@ namespace Nz
public:
CircleCollider2D(float radius, const Vector2f& offset = Vector2f::Zero());
Nz::Vector2f ComputeCenterOfMass() const override;
float ComputeMomentOfInertia(float mass) const override;
inline const Vector2f& GetOffset() const;
@@ -150,6 +153,7 @@ namespace Nz
public:
CompoundCollider2D(std::vector<Collider2DRef> geoms);
Nz::Vector2f ComputeCenterOfMass() const override;
float ComputeMomentOfInertia(float mass) const override;
inline bool DoesOverrideCollisionProperties() const;
@@ -179,6 +183,7 @@ namespace Nz
public:
ConvexCollider2D(SparsePtr<const Vector2f> vertices, std::size_t vertexCount, float radius = 0.f);
Nz::Vector2f ComputeCenterOfMass() const override;
float ComputeMomentOfInertia(float mass) const override;
ColliderType2D GetType() const override;
@@ -203,6 +208,7 @@ namespace Nz
public:
NullCollider2D() = default;
Nz::Vector2f ComputeCenterOfMass() const override;
float ComputeMomentOfInertia(float mass) const override;
ColliderType2D GetType() const override;
@@ -223,6 +229,7 @@ namespace Nz
public:
inline SegmentCollider2D(const Vector2f& first, const Vector2f& second, float thickness = 1.f);
Nz::Vector2f ComputeCenterOfMass() const override;
float ComputeMomentOfInertia(float mass) const override;
inline const Vector2f& GetFirstPoint() const;

2
include/Nazara/Physics2D/RigidBody2D.hpp
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@@ -82,7 +82,7 @@ namespace Nz
void SetElasticity(std::size_t shapeIndex, float elasticity);
void SetFriction(float friction);
void SetFriction(std::size_t shapeIndex, float friction);
void SetGeom(Collider2DRef geom, bool recomputeMoment = true);
void SetGeom(Collider2DRef geom, bool recomputeMoment = true, bool recomputeMassCenter = true);
void SetMass(float mass, bool recomputeMoment = true);
void SetMassCenter(const Vector2f& center, CoordSys coordSys = CoordSys_Local);
void SetMomentOfInertia(float moment);