Update Body API.

--HG--
branch : box2d-update

platform/macosx/love.xcodeproj/project.pbxproj

@@ -140,6 +140,7 @@
 		A946D85610425002002BF36C /* Timer.cpp in Sources */ = {isa = PBXBuildFile; fileRef = A93E6B8F10420ACC007D418B /* Timer.cpp */; };
 		A95684F7125D3555001B276B /* b64.cpp in Sources */ = {isa = PBXBuildFile; fileRef = A95684F5125D3555001B276B /* b64.cpp */; };
 		A958F911142D364C007F320F /* wrap_Fixture.cpp in Sources */ = {isa = PBXBuildFile; fileRef = A958F910142D3627007F320F /* wrap_Fixture.cpp */; };
+		A958F917142D6B3A007F320F /* Body.cpp in Sources */ = {isa = PBXBuildFile; fileRef = A958F916142D6B37007F320F /* Body.cpp */; };
 		A968F0CF1083A9A900A895AA /* Event.cpp in Sources */ = {isa = PBXBuildFile; fileRef = A968F0CE1083A9A900A895AA /* Event.cpp */; };
 		A968F0D11083A9B900A895AA /* File.cpp in Sources */ = {isa = PBXBuildFile; fileRef = A968F0D01083A9B900A895AA /* File.cpp */; };
 		A968F0D31083A9D400A895AA /* Graphics.cpp in Sources */ = {isa = PBXBuildFile; fileRef = A968F0D21083A9D400A895AA /* Graphics.cpp */; };
@@ -538,6 +539,8 @@
 		A95684F6125D3555001B276B /* b64.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = b64.h; sourceTree = "<group>"; };
 		A958F910142D3627007F320F /* wrap_Fixture.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = wrap_Fixture.cpp; sourceTree = "<group>"; };
 		A958F912142D3687007F320F /* wrap_Fixture.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = wrap_Fixture.h; sourceTree = "<group>"; };
+		A958F916142D6B37007F320F /* Body.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Body.cpp; sourceTree = "<group>"; };
+		A958F918142D6B60007F320F /* Body.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Body.h; sourceTree = "<group>"; };
 		A968F0C61083A07B00A895AA /* EnumMap.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = EnumMap.h; sourceTree = "<group>"; };
 		A968F0C71083A07C00A895AA /* StringMap.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = StringMap.h; sourceTree = "<group>"; };
 		A968F0CE1083A9A900A895AA /* Event.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Event.cpp; sourceTree = "<group>"; };
@@ -1195,6 +1198,8 @@
 		A93E6AE910420AC7007D418B /* physics */ = {
 			isa = PBXGroup;
 			children = (
+				A958F916142D6B37007F320F /* Body.cpp */,
+				A958F918142D6B60007F320F /* Body.h */,
 				A93E6AEA10420AC7007D418B /* box2d */,
 				A968F0DC1083AA6600A895AA /* Joint.cpp */,
 				A93E6B6C10420ACB007D418B /* Joint.h */,
@@ -1828,6 +1833,7 @@
 				A9D1D20A1422959100A8BC2F /* ChainShape.cpp in Sources */,
 				A9D1D20D14229B6500A8BC2F /* wrap_ChainShape.cpp in Sources */,
 				A958F911142D364C007F320F /* wrap_Fixture.cpp in Sources */,
+				A958F917142D6B3A007F320F /* Body.cpp in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

src/modules/physics/Body.cpp

@@ -0,0 +1,51 @@
+/**
+* Copyright (c) 2006-2011 LOVE Development Team
+* 
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* 
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 
+* 1. The origin of this software must not be misrepresented; you must not
+*    claim that you wrote the original software. If you use this software
+*    in a product, an acknowledgment in the product documentation would be
+*    appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+*    misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+**/
+
+#include "Body.h"
+
+namespace love
+{
+namespace physics
+{
+	Body::~Body()
+	{
+	}
+
+	bool Body::getConstant(const char * in, Type & out)
+	{
+		return types.find(in, out);
+	}
+
+	bool Body::getConstant(Type in, const char *& out)
+	{
+		return types.find(in, out);
+	}
+
+	StringMap<Body::Type, Body::BODY_MAX_ENUM>::Entry Body::typeEntries[] = 
+	{
+		{"static", Body::BODY_STATIC},
+		{"dynamic", Body::BODY_DYNAMIC},
+		{"kinematic", Body::BODY_KINEMATIC},
+	};
+
+	StringMap<Body::Type, Body::BODY_MAX_ENUM> Body::types(Body::typeEntries, sizeof(Body::typeEntries));
+
+} // physics
+} // love

src/modules/physics/Body.h

@@ -0,0 +1,59 @@
+/**
+* Copyright (c) 2006-2011 LOVE Development Team
+* 
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* 
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 
+* 1. The origin of this software must not be misrepresented; you must not
+*    claim that you wrote the original software. If you use this software
+*    in a product, an acknowledgment in the product documentation would be
+*    appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+*    misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+**/
+
+#ifndef LOVE_PHYSICS_BODY_H
+#define LOVE_PHYSICS_BODY_H
+
+// LOVE
+#include <common/Object.h>
+#include <common/StringMap.h>
+
+namespace love
+{
+namespace physics
+{
+	class Body : public Object
+	{
+	public:
+
+		enum Type
+		{
+			BODY_INVALID,
+			BODY_STATIC, 
+			BODY_DYNAMIC,
+			BODY_KINEMATIC,
+			BODY_MAX_ENUM
+		};
+
+		virtual ~Body();
+
+		static bool getConstant(const char * in, Type & out);
+		static bool getConstant(Type in, const char *& out);
+
+	private:
+
+		static StringMap<Type, BODY_MAX_ENUM>::Entry typeEntries[];
+		static StringMap<Type, BODY_MAX_ENUM> types;
+	};
+
+} // physics
+} // love
+
+#endif // LOVE_PHYSICS_BODY_H

src/modules/physics/box2d/Body.cpp

@@ -22,6 +22,8 @@
 
 #include <common/math.h>
 
+#include "Shape.h"
+#include "Fixture.h"
 #include "World.h"
 #include "Physics.h"
 
@@ -31,14 +33,12 @@ namespace physics
 {
 namespace box2d
 {
-	Body::Body(World * world, b2Vec2 p, float m, float i)
+	Body::Body(World * world, b2Vec2 p)
 		: world(world)
 	{
 		world->retain();
 		b2BodyDef def;
 		def.position = Physics::scaleDown(p);
-		def.massData.mass = m;
-		def.massData.I = i;
 		body = world->world->CreateBody(&def);
 	}
 
@@ -106,25 +106,65 @@ namespace box2d
 	{
 		return body->GetInertia();
 	}
+	
+	int Body::getMassData(lua_State * L)
+	{
+		b2MassData data;
+		body->GetMassData(&data);
+		b2Vec2 center = Physics::scaleUp(data.center);
+		lua_pushnumber(L, center.x);
+		lua_pushnumber(L, center.y);
+		lua_pushnumber(L, data.mass);
+		lua_pushnumber(L, data.I);
+		return 4;
+	}
 
 	float Body::getAngularDamping() const
 	{
-		return body->m_angularDamping;
+		return body->GetAngularDamping();
 	}
 
 	float Body::getLinearDamping() const
 	{
-		return body->m_linearDamping;
+		return body->GetLinearDamping();
+	}
+	
+	float Body::getGravityScale() const
+	{
+		return body->GetGravityScale();
+	}
+	
+	Body::Type Body::getType() const
+	{
+		switch (body->GetType()) {
+			case b2_staticBody:
+				return BODY_STATIC;
+				break;
+			case b2_dynamicBody:
+				return BODY_DYNAMIC;
+				break;
+			case b2_kinematicBody:
+				return BODY_KINEMATIC;
+				break;
+			default:
+				return BODY_INVALID;
+				break;
+		}
 	}
 
-	void Body::applyImpulse(float jx, float jy)
+	void Body::applyLinearImpulse(float jx, float jy)
 	{
-		body->ApplyImpulse(b2Vec2(jx, jy), body->GetWorldCenter());
+		body->ApplyLinearImpulse(Physics::scaleDown(b2Vec2(jx, jy)), body->GetWorldCenter());
 	}
 
-	void Body::applyImpulse(float jx, float jy, float rx, float ry)
+	void Body::applyLinearImpulse(float jx, float jy, float rx, float ry)
 	{
-		body->ApplyImpulse(b2Vec2(jx, jy), Physics::scaleDown(b2Vec2(rx, ry)));
+		body->ApplyLinearImpulse(Physics::scaleDown(b2Vec2(jx, jy)), Physics::scaleDown(b2Vec2(rx, ry)));
+	}
+	
+	void Body::applyAngularImpulse(float impulse)
+	{
+		body->ApplyAngularImpulse(Physics::scaleDown(impulse));
 	}
 
 	void Body::applyTorque(float t)
@@ -144,12 +184,12 @@ namespace box2d
 
 	void Body::setX(float x)
 	{
-		body->SetXForm(Physics::scaleDown(b2Vec2(x, getY())), getAngle());
+		body->SetTransform(Physics::scaleDown(b2Vec2(x, getY())), getAngle());
 	}
 
 	void Body::setY(float y)
 	{
-		body->SetXForm(Physics::scaleDown(b2Vec2(getX(), y)), getAngle());
+		body->SetTransform(Physics::scaleDown(b2Vec2(getX(), y)), getAngle());
 	}
 
 	void Body::setLinearVelocity(float x, float y)
@@ -159,7 +199,7 @@ namespace box2d
 
 	void Body::setAngle(float d)
 	{
-		body->SetXForm(body->GetPosition(), d);
+		body->SetTransform(body->GetPosition(), d);
 	}
 
 	void Body::setAngularVelocity(float r)
@@ -169,31 +209,31 @@ namespace box2d
 
 	void Body::setPosition(float x, float y)
 	{
-		body->SetXForm(Physics::scaleDown(b2Vec2(x, y)), body->GetAngle());
+		body->SetTransform(Physics::scaleDown(b2Vec2(x, y)), body->GetAngle());
 	}
 
 	void Body::setAngularDamping(float d)
 	{
-		body->m_angularDamping = d;
+		body->SetAngularDamping(d);
 	}
 
 	void Body::setLinearDamping(float d)
 	{
-		body->m_linearDamping = d;
+		body->SetLinearDamping(d);
 	}
 
-	void Body::setMassFromShapes()
+	void Body::resetMassData()
 	{
-		body->SetMassFromShapes();
+		body->ResetMassData();
 	}
 
-	void Body::setMass(float x, float y, float m, float i)
+	void Body::setMassData(float x, float y, float m, float i)
 	{
 		b2MassData massData;
 		massData.center = Physics::scaleDown(b2Vec2(x, y));
 		massData.mass = m;
 		massData.I = i;
-		body->SetMass(&massData);
+		body->SetMassData(&massData);
 	}
 
 	void Body::setInertia(float i)
@@ -202,7 +242,29 @@ namespace box2d
 		massData.center = body->GetLocalCenter();
 		massData.mass = body->GetMass();
 		massData.I = i;
-		body->SetMass(&massData);
+		body->SetMassData(&massData);
+	}
+	
+	void Body::setGravityScale(float scale)
+	{
+		body->SetGravityScale(scale);
+	}
+	
+	void Body::setType(Body::Type type)
+	{
+		switch (type) {
+			case Body::BODY_STATIC:
+				body->SetType(b2_staticBody);
+				break;
+			case Body::BODY_DYNAMIC:
+				body->SetType(b2_dynamicBody);
+				break;
+			case Body::BODY_KINEMATIC:
+				body->SetType(b2_kinematicBody);
+				break;
+			default:
+				break;
+		}
 	}
 
 	void Body::getWorldPoint(float x, float y, float & x_o, float & y_o)
@@ -257,63 +319,60 @@ namespace box2d
 		return body->SetBullet(bullet);
 	}
 
-	bool Body::isStatic() const
+	bool Body::isActive() const
 	{
-		return body->IsStatic();
+		return body->IsActive();
 	}
 
-	bool Body::isDynamic() const
+	bool Body::isAwake() const
 	{
-		return body->IsDynamic();
+		return body->IsAwake();
 	}
 
-	bool Body::isFrozen() const
+	void Body::setSleepingAllowed(bool allow)
 	{
-		return body->IsFrozen();
+		body->SetSleepingAllowed(allow);
 	}
 
-	bool Body::isSleeping() const
+	bool Body::isSleepingAllowed() const
 	{
-		return body->IsSleeping();
+		return body->IsSleepingAllowed();
+	}
+	
+	void Body::setActive(bool active)
+	{
+		body->SetActive(active);
 	}
 
-	void Body::setAllowSleeping(bool allow)
+	void Body::setAwake(bool awake)
 	{
-		body->AllowSleeping(allow);
-	}
-
-	bool Body::getAllowSleeping()
-	{
-		return (body->m_flags & b2Body::e_allowSleepFlag) != 0;
-	}
-
-	void Body::putToSleep()
-	{
-		body->PutToSleep();
-	}
-
-	void Body::wakeUp()
-	{
-		body->WakeUp();
+		body->SetAwake(awake);
 	}
 
 	void Body::setFixedRotation(bool fixed)
 	{
-		if(fixed)
-			body->m_flags |= b2Body::e_fixedRotationFlag;
-		else
-			body->m_flags &= ~(b2Body::e_fixedRotationFlag);
+		body->SetFixedRotation(fixed);
 	}
 
-	bool Body::getFixedRotation() const
+	bool Body::isFixedRotation() const
 	{
-		return (body->m_flags & b2Body::e_fixedRotationFlag) != 0;
+		return body->IsFixedRotation();
 	}
 
 	World * Body::getWorld() const
 	{
 		return world;
 	}
+	
+	Fixture * Body::createFixture(Shape * shape)
+	{
+		return new Fixture(this, shape);
+	}
+	
+	void Body::destroyFixture(Fixture * fixture)
+	{
+		fixture->release();
+	}
 
 	b2Vec2 Body::getVector(lua_State * L)
 	{

src/modules/physics/box2d/Body.h

@@ -25,7 +25,7 @@
 #include <common/math.h>
 #include <common/runtime.h>
 #include <common/Object.h>
-
+#include <physics/Body.h>
 
 // Box2D
 #include <Box2D/Box2D.h>
@@ -38,6 +38,8 @@ namespace box2d
 {
 	// Forward declarations.
 	class World;
+	class Shape;
+	class Fixture;
 
 	/**
 	* A Body is an entity which has position and orientation
@@ -45,7 +47,7 @@ namespace box2d
 	* by itself, but depend on an arbitrary number of child Shape objects
 	* which together constitute the final geometry for the Body.
 	**/
-	class Body : public Object
+	class Body : public love::physics::Body
 	{
 		// Friends.
 		friend class Joint;
@@ -73,7 +75,7 @@ namespace box2d
 		/**
 		* Create a Body at position p.
 		**/
-		Body(World * world, b2Vec2 p, float m, float i);
+		Body(World * world, b2Vec2 p);
 
 		virtual ~Body();
 
@@ -134,6 +136,11 @@ namespace box2d
 		* Gets the Body's intertia.
 		**/
 		float getInertia() const;
+		
+		/**
+		* Gets mass properties.
+		**/
+		int getMassData(lua_State * L);
 
 		/**
 		* Gets the Body's angular damping.
@@ -144,16 +151,31 @@ namespace box2d
 		* Gets the Body's linear damping.
 		**/
 		float getLinearDamping() const;
+		
+		/**
+		* Gets the Body's gravity scale.
+		**/
+		float getGravityScale() const;
+		
+		/**
+		* Gets the type of body this is.
+		**/
+		Type getType() const;
 
 		/**
 		* Apply an impulse (jx, jy) with offset (0, 0).
 		**/
-		void applyImpulse(float jx, float jy);
+		void applyLinearImpulse(float jx, float jy);
 
 		/**
 		* Apply an impulse (jx, jy) with offset (rx, ry).
 		**/
-		void applyImpulse(float jx, float jy, float rx, float ry);
+		void applyLinearImpulse(float jx, float jy, float rx, float ry);
+		
+		/**
+		* Apply an angular impulse to the body.
+		**/
+		void applyAngularImpulse(float impulse);
 
 		/**
 		* Apply torque (t).
@@ -203,7 +225,7 @@ namespace box2d
 		/**
 		* Sets the mass from the currently attatched shapes.
 		**/
-		void setMassFromShapes();
+		void resetMassData();
 
 		/**
 		* Sets mass properties.
@@ -212,7 +234,7 @@ namespace box2d
 		* @param m The mass.
 		* @param i The inertia.
 		**/
-		void setMass(float x, float y, float m, float i);
+		void setMassData(float x, float y, float m, float i);
 
 		/**
 		* Sets the inertia while keeping the other properties
@@ -230,6 +252,16 @@ namespace box2d
 		* Sets the Body's linear damping.
 		**/
 		void setLinearDamping(float d);
+		
+		/**
+		* Sets the Body's gravity scale.
+		**/
+		void setGravityScale(float scale);
+		
+		/**
+		* Sets the type of body this is.
+		**/
+		void setType(Type type);
 
 		/**
 		* Transforms a point (x, y) from local coordinates
@@ -301,51 +333,44 @@ namespace box2d
 		void setBullet(bool bullet);
 
 		/**
-		* Checks whether a Body is static or not, i.e. terrain
-		* or not.
+		* Checks whether a Body is active or not. An inactive body
+		* cannot be interacted with.
 		**/
-		bool isStatic() const;
+		bool isActive() const;
 
 		/**
-		* The opposite of isStatic.
-		**/
-		bool isDynamic() const;
-
-		/**
-		* Checks whether a Body is frozen or not.
-		* A Body will freeze if hits the world bounding box.
-		**/
-		bool isFrozen() const;
-
-		/**
-		* Checks whether a Body is sleeping or nor. A Body
+		* Checks whether a Body is awake or not. A Body
 		* will fall to sleep if nothing happens to it for while.
 		**/
-		bool isSleeping() const;
+		bool isAwake() const;
 
 		/**
 		* Controls whether this Body should be allowed to sleep.
 		**/
-		void setAllowSleeping(bool allow);
-		bool getAllowSleeping();
+		void setSleepingAllowed(bool allow);
+		bool isSleepingAllowed() const;
+		
+		/**
+		* Changes the body's active state.
+		**/
+		void setActive(bool active);
 
 		/**
-		* Puts the body to sleep.
+		* Changes the body's sleep state.
 		**/
-		void putToSleep();
-
-		/**
-		* Wakes the Body up.
-		**/
-		void wakeUp();
+		void setAwake(bool awake);
 
 		void setFixedRotation(bool fixed);
-		bool getFixedRotation() const;
+		bool isFixedRotation() const;
 
 		/**
 		* Get the World this Body resides in.
 		*/
 		World * getWorld() const;
+		
+		Fixture * createFixture(Shape * shape);
+		
+		void destroyFixture(Fixture * fixture);
 	private:
 
 		/**

src/modules/physics/box2d/Fixture.h

@@ -101,13 +101,6 @@ namespace box2d
 		**/
 		Body * getBody() const;
 		
-		/**
-		* Gets the next Fixture attached to the parent Body.
-		**/
-		Fixture * getNext() const;
-		
-		
-		
 		/**
 		 * Sets the filter data. An integer array is used even though the
 		 * first two elements are unsigned shorts. The elements are:

src/modules/physics/box2d/Physics.cpp

@@ -45,26 +45,16 @@ namespace box2d
 		return new World(b2Vec2(gx, gy), sleep);
 	}
 
-	Body * Physics::newBody(World * world, float x, float y, float mass, float i)
-	{
-		return new Body(world, b2Vec2(x, y), mass, i);
-	}
-
 	Body * Physics::newBody(World * world, float x, float y)
 	{
-		return new Body(world, b2Vec2(x, y), 1, 1);
+		return new Body(world, b2Vec2(x, y));
 	}
 
 	Body * Physics::newBody(World * world)
 	{
-		return new Body(world, b2Vec2(0, 0), 1, 1);
+		return new Body(world, b2Vec2(0, 0));
 	}
 	
-	Fixture * Physics::newFixture(Body * body, Shape * shape)
-	{
-		return new Fixture(body, shape);
-	}
-
 	CircleShape * Physics::newCircleShape(float radius)
 	{
 		return newCircleShape(0, 0, radius);

src/modules/physics/box2d/Physics.h

@@ -76,16 +76,6 @@ namespace box2d
 		**/
 		World * newWorld(float gx, float gy, bool sleep, int meter);
 
-		/**
-		* Creates a new Body at the specified position.
-		* @param world The world to create the Body in.
-		* @param x The position along the x-axis.
-		* @param x The position along the y-axis.
-		* @param m The mass.
-		* @param i The rotational inertia.
-		**/
-		Body * newBody(World * world, float x, float y, float m, float i);
-
 		/**
 		* Creates a new Body at the specified position.
 		* @param world The world to create the Body in.
@@ -99,13 +89,6 @@ namespace box2d
 		* @param world The world to create the Body in.
 		**/
 		Body * newBody(World * world);
-		
-		/**
-		* Creates a new Fixture.
-		* @param body The body to attach the Fixture to.
-		* @param shape The shape to attach to the Fixture.
-		**/
-		Fixture * newFixture(Body * body, Shape * shape);
 
 		/**
 		* Creates a new CircleShape at (0, 0).

src/modules/physics/box2d/World.cpp

@@ -162,8 +162,9 @@ namespace box2d
 		end.add(contact);
 	}
 
-	void World::PreSolve(b2Contact* contact)
+	void World::PreSolve(b2Contact* contact, const b2Manifold* oldManifold)
 	{
+		B2_NOT_USED(oldManifold); // not sure what to do with this
 		presolve.add(contact);
 	}
 

src/modules/physics/box2d/World.h

@@ -117,7 +117,7 @@ namespace box2d
 		// From b2ContactListener
 		void BeginContact(b2Contact* contact);
 		void EndContact(b2Contact* contact);
-		void PreSolve(b2Contact* contact);
+		void PreSolve(b2Contact* contact, const b2Manifold* oldManifold);
 		void PostSolve(b2Contact* contact, const b2ContactImpulse* impulse);
 
 		/**

src/modules/physics/box2d/wrap_Body.cpp

@@ -120,6 +120,13 @@ namespace box2d
 		lua_pushnumber(L, t->getInertia());
 		return 1;
 	}
+	
+	int w_Body_getMassData(lua_State * L)
+	{
+		Body * t = luax_checkbody(L, 1);
+		lua_remove(L, 1);
+		return t->getMassData(L);
+	}
 
 	int w_Body_getAngularDamping(lua_State * L)
 	{
@@ -134,8 +141,24 @@ namespace box2d
 		lua_pushnumber(L, t->getLinearDamping());
 		return 1;
 	}
+	
+	int w_Body_getGravityScale(lua_State * L)
+	{
+		Body * t = luax_checkbody(L, 1);
+		lua_pushnumber(L, t->getGravityScale());
+		return 1;
+	}
+	
+	int w_Body_getType(lua_State * L)
+	{
+		Body * t = luax_checkbody(L, 1);
+		const char * type = "";
+		Body::getConstant(t->getType(), type);
+		lua_pushstring(L, type);
+		return 1;
+	}
 
-	int w_Body_applyImpulse(lua_State * L)
+	int w_Body_applyLinearImpulse(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
 		float jx = (float)luaL_checknumber(L, 2);
@@ -143,13 +166,13 @@ namespace box2d
 
 		if(lua_gettop(L) == 3)
 		{
-			t->applyImpulse(jx, jy);
+			t->applyLinearImpulse(jx, jy);
 		}
 		else if(lua_gettop(L) == 5)
 		{
 			float rx = (float)luaL_checknumber(L, 4);
 			float ry = (float)luaL_checknumber(L, 5);
-			t->applyImpulse(jx, jy, rx, ry);
+			t->applyLinearImpulse(jx, jy, rx, ry);
 		}
 		else
 		{
@@ -158,6 +181,14 @@ namespace box2d
 
 		return 0;
 	}
+	
+	int w_Body_applyAngularImpulse(lua_State * L)
+	{
+		Body * t = luax_checkbody(L, 1);
+		float i = (float)luaL_checknumber(L, 2);
+		t->applyAngularImpulse(i);
+		return 0;
+	}
 
 	int w_Body_applyTorque(lua_State * L)
 	{
@@ -242,21 +273,21 @@ namespace box2d
 		return 0;
 	}
 
-	int w_Body_setMassFromShapes(lua_State * L)
+	int w_Body_resetMassData(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
-		t->setMassFromShapes();
+		t->resetMassData();
 		return 0;
 	}
 
-	int w_Body_setMass(lua_State * L)
+	int w_Body_setMassData(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
 		float x = (float)luaL_checknumber(L, 2);
 		float y = (float)luaL_checknumber(L, 3);
 		float m = (float)luaL_checknumber(L, 4);
 		float i = (float)luaL_checknumber(L, 5);
-		t->setMass(x, y, m, i);
+		t->setMassData(x, y, m, i);
 		return 0;
 	}
 
@@ -283,6 +314,24 @@ namespace box2d
 		t->setLinearDamping(arg1);
 		return 0;
 	}
+	
+	int w_Body_setGravityScale(lua_State * L)
+	{
+		Body * t = luax_checkbody(L, 1);
+		float arg1 = (float)luaL_checknumber(L, 2);
+		t->setGravityScale(arg1);
+		return 0;
+	}
+	
+	int w_Body_setType(lua_State * L)
+	{
+		Body * t = luax_checkbody(L, 1);
+		const char * typeStr = luaL_checkstring(L, 2);
+		Body::Type type;
+		Body::getConstant(typeStr, type);
+		t->setType(type);
+		return 0;
+	}
 
 	int w_Body_getWorldPoint(lua_State * L)
 	{
@@ -383,60 +432,48 @@ namespace box2d
 		return 0;
 	}
 
-	int w_Body_isStatic(lua_State * L)
+	int w_Body_isActive(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
-		luax_pushboolean(L, t->isStatic());
+		luax_pushboolean(L, t->isActive());
 		return 1;
 	}
 
-	int w_Body_isDynamic(lua_State * L)
+	int w_Body_isAwake(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
-		luax_pushboolean(L, t->isDynamic());
+		luax_pushboolean(L, t->isAwake());
 		return 1;
 	}
 
-	int w_Body_isFrozen(lua_State * L)
-	{
-		Body * t = luax_checkbody(L, 1);
-		luax_pushboolean(L, t->isFrozen());
-		return 1;
-	}
-
-	int w_Body_isSleeping(lua_State * L)
-	{
-		Body * t = luax_checkbody(L, 1);
-		luax_pushboolean(L, t->isSleeping());
-		return 1;
-	}
-
-	int w_Body_setAllowSleeping(lua_State * L)
+	int w_Body_setSleepingAllowed(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
 		bool b = luax_toboolean(L, 2);
-		t->setAllowSleeping(b);
+		t->setSleepingAllowed(b);
 		return 0;
 	}
 
-	int w_Body_getAllowSleeping(lua_State * L)
+	int w_Body_isSleepingAllowed(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
-		lua_pushboolean(L, t->getAllowSleeping());
+		lua_pushboolean(L, t->isSleepingAllowed());
 		return 1;
 	}
 
-	int w_Body_putToSleep(lua_State * L)
+	int w_Body_setActive(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
-		t->putToSleep();
+		bool b = luax_toboolean(L, 2);
+		t->setActive(b);
 		return 0;
 	}
 
-	int w_Body_wakeUp(lua_State * L)
+	int w_Body_setAwake(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
-		t->wakeUp();
+		bool b = luax_toboolean(L, 2);
+		t->setAwake(b);
 		return 0;
 	}
 
@@ -448,13 +485,30 @@ namespace box2d
 		return 0;
 	}
 
-	int w_Body_getFixedRotation(lua_State * L)
+	int w_Body_isFixedRotation(lua_State * L)
 	{
 		Body * t = luax_checkbody(L, 1);
-		bool b = t->getFixedRotation();
+		bool b = t->isFixedRotation();
 		luax_pushboolean(L, b);
 		return 1;
 	}
+	
+	int w_Body_createFixture(lua_State * L)
+	{
+		Body * t = luax_checkbody(L, 1);
+		Shape * s = luax_checktype<Shape>(L, 2, "Shape", PHYSICS_SHAPE_T);
+		Fixture * f = t->createFixture(s);
+		luax_newtype(L, "Fixture", PHYSICS_FIXTURE_T, (void*)f);
+		return 1;
+	}
+	
+	int w_Body_destroyFixture(lua_State * L)
+	{
+		Body * t = luax_checkbody(L, 1);
+		Fixture * f = luax_checktype<Fixture>(L, 2, "Fixture", PHYSICS_FIXTURE_T);
+		t->destroyFixture(f);
+		return 0;
+	}
 
 	int w_Body_destroy(lua_State * L)
 	{
@@ -478,9 +532,13 @@ namespace box2d
 		{ "getAngularVelocity", w_Body_getAngularVelocity },
 		{ "getMass", w_Body_getMass },
 		{ "getInertia", w_Body_getInertia },
+		{ "getMassData", w_Body_getMassData },
 		{ "getAngularDamping", w_Body_getAngularDamping },
 		{ "getLinearDamping", w_Body_getLinearDamping },
-		{ "applyImpulse", w_Body_applyImpulse },
+		{ "getGravityScale", w_Body_getGravityScale },
+		{ "getType", w_Body_getType },
+		{ "applyLinearImpulse", w_Body_applyLinearImpulse },
+		{ "applyAngularImpulse", w_Body_applyAngularImpulse },
 		{ "applyTorque", w_Body_applyTorque },
 		{ "applyForce", w_Body_applyForce },
 		{ "setX", w_Body_setX },
@@ -489,11 +547,13 @@ namespace box2d
 		{ "setAngle", w_Body_setAngle },
 		{ "setAngularVelocity", w_Body_setAngularVelocity },
 		{ "setPosition", w_Body_setPosition },
-		{ "setMassFromShapes", w_Body_setMassFromShapes },
-		{ "setMass", w_Body_setMass },
+		{ "resetMassData", w_Body_resetMassData },
+		{ "setMassData", w_Body_setMassData },
 		{ "setInertia", w_Body_setInertia },
 		{ "setAngularDamping", w_Body_setAngularDamping },
 		{ "setLinearDamping", w_Body_setLinearDamping },
+		{ "setGravityScale", w_Body_setGravityScale },
+		{ "setType", w_Body_setType },
 		{ "getWorldPoint", w_Body_getWorldPoint },
 		{ "getWorldVector", w_Body_getWorldVector },
 		{ "getLocalPoint", w_Body_getLocalPoint },
@@ -502,16 +562,16 @@ namespace box2d
 		{ "getLinearVelocityFromLocalPoint", w_Body_getLinearVelocityFromLocalPoint },
 		{ "isBullet", w_Body_isBullet },
 		{ "setBullet", w_Body_setBullet },
-		{ "isStatic", w_Body_isStatic },
-		{ "isDynamic", w_Body_isDynamic },
-		{ "isFrozen", w_Body_isFrozen },
-		{ "isSleeping", w_Body_isSleeping },
-		{ "setAllowSleeping", w_Body_setAllowSleeping },
-		{ "getAllowSleeping", w_Body_getAllowSleeping },
-		{ "putToSleep", w_Body_putToSleep },
-		{ "wakeUp", w_Body_wakeUp },
+		{ "isActive", w_Body_isActive },
+		{ "isAwake", w_Body_isAwake },
+		{ "setSleepingAllowed", w_Body_setSleepingAllowed },
+		{ "isSleepingAllowde", w_Body_isSleepingAllowed },
+		{ "setActive", w_Body_setActive },
+		{ "setAwake", w_Body_setAwake },
 		{ "setFixedRotation", w_Body_setFixedRotation },
-		{ "getFixedRotation", w_Body_getFixedRotation },
+		{ "isFixedRotation", w_Body_isFixedRotation },
+		{ "createFixture", w_Body_createFixture },
+		{ "destroyFixture", w_Body_destroyFixture },
 		{ "destroy", w_Body_destroy },
 		{ 0, 0 }
 	};

src/modules/physics/box2d/wrap_Body.h

@@ -43,22 +43,28 @@ namespace box2d
 	int w_Body_getAngularVelocity(lua_State * L);
 	int w_Body_getMass(lua_State * L);
 	int w_Body_getInertia(lua_State * L);
+	int w_Body_getMassData(lua_State * L);
 	int w_Body_getAngularDamping(lua_State * L);
 	int w_Body_getLinearDamping(lua_State * L);
-	int w_Body_applyImpulse(lua_State * L);
+	int w_Body_getGravityScale(lua_State * L);
+	int w_Body_getType(lua_State * L);
+	int w_Body_applyLinearImpulse(lua_State * L);
+	int w_Body_applyAngularImpulse(lua_State * L);
 	int w_Body_applyTorque(lua_State * L);
 	int w_Body_applyForce(lua_State * L);
 	int w_Body_setX(lua_State * L);
 	int w_Body_setY(lua_State * L);
-	int w_Body_setVelocity(lua_State * L);
+	int w_Body_setLinearVelocity(lua_State * L);
 	int w_Body_setAngle(lua_State * L);
 	int w_Body_setAngularVelocity(lua_State * L);
 	int w_Body_setPosition(lua_State * L);
-	int w_Body_setMassFromShapes(lua_State * L);
-	int w_Body_setMass(lua_State * L);
+	int w_Body_resetMassData(lua_State * L);
+	int w_Body_setMassData(lua_State * L);
 	int w_Body_setInertia(lua_State * L);
 	int w_Body_setAngularDamping(lua_State * L);
 	int w_Body_setLinearDamping(lua_State * L);
+	int w_Body_setGravityScale(lua_State * L);
+	int w_Body_setType(lua_State * L);
 	int w_Body_getWorldPoint(lua_State * L);
 	int w_Body_getWorldVector(lua_State * L);
 	int w_Body_getLocalPoint(lua_State * L);
@@ -67,16 +73,16 @@ namespace box2d
 	int w_Body_getLinearVelocityFromLocalPoint(lua_State * L);
 	int w_Body_isBullet(lua_State * L);
 	int w_Body_setBullet(lua_State * L);
-	int w_Body_isStatic(lua_State * L);
-	int w_Body_isDynamic(lua_State * L);
-	int w_Body_isFrozen(lua_State * L);
-	int w_Body_isSleeping(lua_State * L);
-	int w_Body_setAllowSleeping(lua_State * L);
-	int w_Body_getAllowSleeping(lua_State * L);
-	int w_Body_putToSleep(lua_State * L);
-	int w_Body_wakeUp(lua_State * L);
+	int w_Body_isActive(lua_State * L);
+	int w_Body_isAwake(lua_State * L);
+	int w_Body_setSleepingAllowed(lua_State * L);
+	int w_Body_isSleepingAllowed(lua_State * L);
+	int w_Body_setActive(lua_State * L);
+	int w_Body_setAwake(lua_State * L);
 	int w_Body_setFixedRotation(lua_State * L);
-	int w_Body_getFixedRotation(lua_State * L);
+	int w_Body_isFixedRotation(lua_State * L);
+	int w_Body_createFixture(lua_State * L);
+	int w_Body_destroyFixture(lua_State * L);
 	int w_Body_destroy(lua_State * L);
 	int luaopen_body(lua_State * L);
 

src/modules/physics/box2d/wrap_Physics.cpp

@@ -47,21 +47,10 @@ namespace box2d
 		World * world = luax_checktype<World>(L, 1, "World", PHYSICS_WORLD_T);
 		float x = (float)luaL_optnumber(L, 2, 0.0);
 		float y = (float)luaL_optnumber(L, 3, 0.0);
-		float m = (float)luaL_optnumber(L, 4, 0.0);
-		float i = (float)luaL_optnumber(L, 5, 0.0);
-		Body * body = instance->newBody(world, x, y, m, i);
+		Body * body = instance->newBody(world, x, y);
 		luax_newtype(L, "Body", PHYSICS_BODY_T, (void*)body);
 		return 1;
 	}
-	
-	int w_newFixture(lua_State * L)
-	{
-		Body * body = luax_checkbody(L, 1);
-		Shape * shape = luax_checkshape(L, 2);
-		Fixture * fixture = instance->newFixture(body, shape);
-		luax_newtype(L, "Fixture", PHYSICS_FIXTURE_T, (void*)fixture);
-		return 1;
-	}
 
 	int w_newCircleShape(lua_State * L)
 	{

src/modules/physics/box2d/wrap_Physics.h

@@ -52,7 +52,6 @@ namespace box2d
 {
 	int w_newWorld(lua_State * L);
 	int w_newBody(lua_State * L);
-	int w_newFixture(lua_State * L);
 	int w_newCircleShape(lua_State * L);
 	int w_newRectangleShape(lua_State * L);
 	int w_newPolygonShape(lua_State * L);