Initial Mercurial commit.

2026-08-16 08:11:02 +02:00 · 2009-07-26 15:46:49 +02:00
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+/**
+* Copyright (c) 2006-2009 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_BOX2D_PRISMATIC_JOINT_H
+#define LOVE_PHYSICS_BOX2D_PRISMATIC_JOINT_H
+
+// Module
+#include "Joint.h"
+
+namespace love
+{
+namespace physics
+{
+namespace box2d
+{
+	/**
+	* PrismaticJoints allow shapes to move in relation to eachother
+	* along a defined axis.
+	**/
+	class PrismaticJoint : public Joint
+	{
+	private:
+
+		// The Box2D prismatic joint object.
+		b2PrismaticJoint * joint;
+
+	public:
+
+		/**
+		* Creates a new PrismaticJoint connecting body1 and body2.
+		**/
+		PrismaticJoint(Body * body1, Body * body2, float x, float y, float ax, float ay);
+
+		virtual ~PrismaticJoint();
+
+		/**
+		* Get the current joint translation, usually in meters.
+		**/
+		float getTranslation() const;
+
+		/**
+		* Get the current joint translation speed, usually in meters per second.
+		**/
+		float getSpeed() const;
+
+		/**
+		* Enable/disable the joint motor.
+		**/
+		void setMotorEnabled(bool motor);
+
+		/**
+		* Checks whether the motor is enabled.
+		**/
+		bool isMotorEnabled() const;
+
+		/**
+		* Set the maximum motor force, usually in N.
+		**/
+		void setMaxMotorForce(float force);
+
+		/**
+		* Get the current motor force, usually in N.
+		**/
+		float getMaxMotorForce() const;
+
+		/**
+		* Set the motor speed, usually in meters per second.
+		**/
+		void setMotorSpeed(float speed);
+
+		/**
+		* Get the motor speed, usually in meters per second.
+		**/
+		float getMotorSpeed() const;
+
+		/**
+		* Get the current motor force, usually in N.
+		**/
+		float getMotorForce() const;
+
+		/**
+		* Enable/disable the joint limit.
+		**/
+		void setLimitsEnabled(bool limit);
+
+		/**
+		* Checks whether limits are enabled.
+		**/
+		bool isLimitsEnabled() const;
+
+		/**
+		* Sets the upper limit, usually in meters.
+		**/
+		void setUpperLimit(float limit);
+
+		/**
+		* Sets the lower limit, usually in meters.
+		**/
+		void setLowerLimit(float limit);
+
+		/**
+		* Sets the limits, usually in meters.
+		**/
+		void setLimits(float lower, float upper);
+
+		/**
+		* Gets the lower limit, usually in meters.
+		**/
+		float getLowerLimit() const;
+
+		/**
+		* Gets the upper limit, usually in meters.
+		**/
+		float getUpperLimit() const;
+		
+		/**
+		* Gets the limits, usually in meters.
+		* @returns The upper limit.
+		* @returns The lower limit.
+		**/
+		int getLimits(lua_State * L);
+		
+	};
+
+} // box2d
+} // physics
+} // love
+
+#endif // LOVE_PHYSICS_BOX2D_PRISMATIC_JOINT_H