88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
|
|
// This file is part of the "Nazara Engine - Physics 2D module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#include <Nazara/Physics2D/Collider2D.hpp>
|
|
#include <Nazara/Physics2D/RigidBody2D.hpp>
|
|
#include <chipmunk/chipmunk.h>
|
|
#include <Nazara/Physics3D/Debug.hpp>
|
|
|
|
namespace Nz
|
|
{
|
|
Collider2D::~Collider2D() = default;
|
|
|
|
/******************************** BoxCollider2D *********************************/
|
|
|
|
BoxCollider2D::BoxCollider2D(const Vector2f& size, float radius) :
|
|
BoxCollider2D(Rectf(-size.x / 2.f, -size.y / 2.f, size.x / 2.f, size.y / 2.f), radius)
|
|
{
|
|
}
|
|
|
|
BoxCollider2D::BoxCollider2D(const Rectf& rect, float radius) :
|
|
m_rect(rect),
|
|
m_radius(radius)
|
|
{
|
|
}
|
|
|
|
float BoxCollider2D::ComputeInertialMatrix(float mass) const
|
|
{
|
|
return static_cast<float>(cpMomentForBox2(mass, cpBBNew(m_rect.x, m_rect.y + m_rect.height, m_rect.x + m_rect.width, m_rect.y)));
|
|
}
|
|
|
|
ColliderType2D BoxCollider2D::GetType() const
|
|
{
|
|
return ColliderType2D_Box;
|
|
}
|
|
|
|
std::vector<cpShape*> BoxCollider2D::CreateShapes(RigidBody2D* body) const
|
|
{
|
|
std::vector<cpShape*> shapes;
|
|
shapes.push_back(cpBoxShapeNew2(body->GetHandle(), cpBBNew(m_rect.x, m_rect.y + m_rect.height, m_rect.x + m_rect.width, m_rect.y), m_radius));
|
|
|
|
return shapes;
|
|
}
|
|
|
|
/******************************** CircleCollider2D *********************************/
|
|
|
|
CircleCollider2D::CircleCollider2D(float radius, const Vector2f& offset) :
|
|
m_offset(offset),
|
|
m_radius(radius)
|
|
{
|
|
}
|
|
|
|
float CircleCollider2D::ComputeInertialMatrix(float mass) const
|
|
{
|
|
return static_cast<float>(cpMomentForCircle(mass, 0.f, m_radius, cpv(m_offset.x, m_offset.y)));
|
|
}
|
|
|
|
ColliderType2D CircleCollider2D::GetType() const
|
|
{
|
|
return ColliderType2D_Circle;
|
|
}
|
|
|
|
std::vector<cpShape*> CircleCollider2D::CreateShapes(RigidBody2D* body) const
|
|
{
|
|
std::vector<cpShape*> shapes;
|
|
shapes.push_back(cpCircleShapeNew(body->GetHandle(), m_radius, cpv(m_offset.x, m_offset.y)));
|
|
|
|
return shapes;
|
|
}
|
|
|
|
/********************************* NullCollider2D **********************************/
|
|
|
|
ColliderType2D NullCollider2D::GetType() const
|
|
{
|
|
return ColliderType2D_Null;
|
|
}
|
|
|
|
float NullCollider2D::ComputeInertialMatrix(float /*mass*/) const
|
|
{
|
|
return 0.f;
|
|
}
|
|
|
|
std::vector<cpShape*> NullCollider2D::CreateShapes(RigidBody2D* /*body*/) const
|
|
{
|
|
return std::vector<cpShape*>();
|
|
}
|
|
}
|