//--------------- Internals Below ------------------- /** @private */ public b2MouseJoint(b2MouseJointDef def) : base(def) { //b2Settings.b2Assert(def.target.IsValid()); //b2Settings.b2Assert(b2Math.b2IsValid(def.maxForce) && def.maxForce > 0.0); //b2Settings.b2Assert(b2Math.b2IsValid(def.frequencyHz) && def.frequencyHz > 0.0); //b2Settings.b2Assert(b2Math.b2IsValid(def.dampingRatio) && def.dampingRatio > 0.0); m_target.SetV(def.target); //m_localAnchor = b2MulT(m_bodyB.m_xf, m_target); float tX = m_target.x - m_bodyB.m_xf.position.x; float tY = m_target.y - m_bodyB.m_xf.position.y; b2Mat22 tMat = m_bodyB.m_xf.R; m_localAnchor.x = (tX * tMat.col1.x + tY * tMat.col1.y); m_localAnchor.y = (tX * tMat.col2.x + tY * tMat.col2.y); m_maxForce = def.maxForce; m_impulse.SetZero(); m_frequencyHz = def.frequencyHz; m_dampingRatio = def.dampingRatio; m_beta = 0.0f; m_gamma = 0.0f; }
public virtual bool MouseDown(b2Vec2 p) { m_mouseWorld = p; if (m_mouseJoint != null) { return false; } // Make a small box. b2AABB aabb = new b2AABB(); b2Vec2 d = new b2Vec2(); d.Set(0.001f, 0.001f); aabb.LowerBound = p - d; aabb.UpperBound = p + d; // Query the world for overlapping shapes. QueryCallback callback = new QueryCallback(p); m_world.QueryAABB(callback, aabb); if (callback.m_fixture != null) { b2Body body = callback.m_fixture.Body; b2MouseJointDef md = new b2MouseJointDef(); md.BodyA = m_groundBody; md.BodyB = body; md.target = p; md.maxForce = 1000.0f * body.Mass; m_mouseJoint = (b2MouseJoint)m_world.CreateJoint(md); body.SetAwake(true); return true; } else { //Como no ha encontrado un objeto empezamos el arrastre IsArrastring = true; originPosition = new CCPoint(p.x, p.y); return true; } }
public b2MouseJoint(b2MouseJointDef def) : base(def) { Debug.Assert(def.target.IsValid()); Debug.Assert(b2Math.b2IsValid(def.maxForce) && def.maxForce >= 0.0f); Debug.Assert(b2Math.b2IsValid(def.frequencyHz) && def.frequencyHz >= 0.0f); Debug.Assert(b2Math.b2IsValid(def.dampingRatio) && def.dampingRatio >= 0.0f); m_targetA = def.target; m_localAnchorB = b2Math.b2MulT(m_bodyB.Transform, m_targetA); m_maxForce = def.maxForce; m_impulse.SetZero(); m_frequencyHz = def.frequencyHz; m_dampingRatio = def.dampingRatio; m_beta = 0.0f; m_gamma = 0.0f; }
public b2MouseJoint(b2MouseJointDef def) : base(def) { Debug.Assert(def.target.IsValid()); Debug.Assert(b2Math.b2IsValid(def.maxForce) && def.maxForce >= 0.0f); Debug.Assert(b2Math.b2IsValid(def.frequencyHz) && def.frequencyHz >= 0.0f); Debug.Assert(b2Math.b2IsValid(def.dampingRatio) && def.dampingRatio >= 0.0f); m_targetA = def.target; m_localAnchorB = b2Math.b2MulT(m_bodyB.Transform, m_targetA); m_maxForce = def.maxForce; m_impulse.SetZero(); m_frequencyHz = def.frequencyHz; m_dampingRatio = def.dampingRatio; m_beta = 0.0f; m_gamma = 0.0f; }
public virtual bool MouseDown(b2Vec2 p) { m_mouseWorld = p; if (m_mouseJoint != null) { return false; } // Make a small box. b2AABB aabb = new b2AABB(); b2Vec2 d = new b2Vec2(); d.Set(0.001f, 0.001f); aabb.LowerBound = p - d; aabb.UpperBound = p + d; // Query the world for overlapping shapes. QueryCallback callback = new QueryCallback(p); m_world.QueryAABB(callback, aabb); if (callback.m_fixture != null) { b2Body body = callback.m_fixture.Body; b2MouseJointDef md = new b2MouseJointDef(); md.BodyA = m_groundBody; md.BodyB = body; md.target = p; md.maxForce = 1000.0f * body.Mass; m_mouseJoint = (b2MouseJoint) m_world.CreateJoint(md); body.SetAwake(true); return true; } return false; }
// SIN REVISAR b2Joint j2b2Joint(b2World world, JObject jointValue) { b2Joint joint = null; int bodyIndexA = (int)jointValue["bodyA"]; int bodyIndexB = (int)jointValue["bodyB"]; if (bodyIndexA >= m_bodies.Count || bodyIndexB >= m_bodies.Count) return null; // set features common to all joints //var bodyA = m_bodies[bodyIndexA]; //var bodyB = m_bodies[bodyIndexB]; //var collideConnected = jointValue["collideConnected"] == null ? false : (bool)jointValue["collideConnected"]; // keep these in scope after the if/else below b2RevoluteJointDef revoluteDef; b2PrismaticJointDef prismaticDef; b2DistanceJointDef distanceDef; b2PulleyJointDef pulleyDef; b2MouseJointDef mouseDef; b2GearJointDef gearDef; //b2WheelJoint wheelDef; b2WeldJointDef weldDef; b2FrictionJointDef frictionDef; b2RopeJointDef ropeDef; //MotorJoint motorDef; b2JointDef jointDef = null; b2Vec2 mouseJointTarget = new b2Vec2(0, 0); string type = jointValue["type"].ToString() == null ? "" : jointValue["type"].ToString(); if (type == "revolute") { jointDef = revoluteDef = new b2RevoluteJointDef(); // JointFactory.CreateRevoluteJoint(world, bodyA, bodyB, jsonToVec("anchorB", jointValue)); revoluteDef.localAnchorA = jsonToVec("anchorA", jointValue); revoluteDef.localAnchorB = jsonToVec("anchorB", jointValue); revoluteDef.referenceAngle = jsonToFloat("refAngle", jointValue); revoluteDef.enableLimit = jointValue["enableLimit"] == null ? false : (bool)jointValue["enableLimit"]; revoluteDef.lowerAngle = jsonToFloat("lowerLimit", jointValue); revoluteDef.upperAngle = jsonToFloat("upperLimit", jointValue); revoluteDef.enableMotor = jointValue["enableMotor"] == null ? false : (bool)jointValue["enableMotor"]; revoluteDef.motorSpeed = jsonToFloat("motorSpeed", jointValue); revoluteDef.maxMotorTorque = jsonToFloat("maxMotorTorque", jointValue); } else if (type == "prismatic") { jointDef = prismaticDef = new b2PrismaticJointDef(); //JointFactory.CreatePrismaticJoint(world, bodyA, bodyB, localAnchorB, localAxis); prismaticDef.localAnchorA = jsonToVec("anchorA", jointValue); prismaticDef.localAnchorB = jsonToVec("anchorB", jointValue); if (jointValue["localAxisA"] != null) prismaticDef.localAxisA = jsonToVec("localAxisA", jointValue); else prismaticDef.localAxisA = jsonToVec("localAxis1", jointValue); prismaticDef.referenceAngle = jsonToFloat("refAngle", jointValue); prismaticDef.enableLimit = jointValue["enableLimit"] == null ? false : (bool)jointValue["enableLimit"]; prismaticDef.lowerTranslation = jsonToFloat("lowerLimit", jointValue); prismaticDef.upperTranslation = jsonToFloat("upperLimit", jointValue); prismaticDef.enableMotor = jointValue["enableMotor"] == null ? false : (bool)jointValue["enableMotor"]; prismaticDef.motorSpeed = jsonToFloat("motorSpeed", jointValue); prismaticDef.maxMotorForce = jsonToFloat("maxMotorForce", jointValue); } else if (type == "distance") { jointDef = distanceDef = new b2DistanceJointDef(); distanceDef.localAnchorA = jsonToVec("anchorA", jointValue); distanceDef.localAnchorB = jsonToVec("anchorB", jointValue); distanceDef.length = jsonToFloat("length", jointValue); distanceDef.frequencyHz = jsonToFloat("frequency", jointValue); distanceDef.dampingRatio = jsonToFloat("dampingRatio", jointValue); } else if (type == "pulley") { jointDef = pulleyDef = new b2PulleyJointDef(); pulleyDef.groundAnchorA = jsonToVec("groundAnchorA", jointValue); pulleyDef.groundAnchorB = jsonToVec("groundAnchorB", jointValue); pulleyDef.localAnchorA = jsonToVec("anchorA", jointValue); pulleyDef.localAnchorB = jsonToVec("anchorB", jointValue); pulleyDef.lengthA = jsonToFloat("lengthA", jointValue); pulleyDef.lengthB = jsonToFloat("lengthB", jointValue); pulleyDef.ratio = jsonToFloat("ratio", jointValue); } else if (type == "mouse") { jointDef = mouseDef = new b2MouseJointDef(); mouseJointTarget = jsonToVec("target", jointValue); mouseDef.target = jsonToVec("anchorB", jointValue);// alter after creating joint mouseDef.maxForce = jsonToFloat("maxForce", jointValue); mouseDef.frequencyHz = jsonToFloat("frequency", jointValue); mouseDef.dampingRatio = jsonToFloat("dampingRatio", jointValue); } // Gear joints are apparently not implemented in JBox2D yet, but // when they are, commenting out the following section should work. else if (type == "gear") { jointDef = gearDef = new b2GearJointDef(); //JointFactory.CreateGearJoint(world, joint1, joint2, ratio); int jointIndex1 = (int)jointValue["joint1"]; int jointIndex2 = (int)jointValue["joint2"]; var joint1 = m_joints[jointIndex1]; var joint2 = m_joints[jointIndex2]; var ratio = jsonToFloat("ratio", jointValue); //joint = gearDef = JointFactory.CreateGearJoint(world, joint1, joint2, ratio); } // Wheel joints are apparently not implemented in JBox2D yet, but // when they are, commenting out the following section should work. else if (type == "wheel") { jointDef = revoluteDef = new b2RevoluteJointDef(); revoluteDef.localAnchorA = jsonToVec("anchorA", jointValue); revoluteDef.localAnchorB = jsonToVec("anchorB", jointValue); revoluteDef.enableMotor = jointValue["enableMotor"] == null ? false : (bool)jointValue["enableMotor"]; revoluteDef.motorSpeed = jsonToFloat("motorSpeed", jointValue); revoluteDef.maxMotorTorque = jsonToFloat("maxMotorTorque", jointValue); //jointDef = wheelDef = new b2WheelJointDef(); //JointFactory.CreateWheelJoint(world, bodyA, bodyB, localAnchorB, localAxisA); //var localAnchorA = jsonToVec("anchorA", jointValue); //var localAnchorB = (jsonToVec("anchorB", jointValue)); //var localAxisA = (jsonToVec("localAxisA", jointValue)); //var enableMotor = jointValue["enableMotor"] == null ? false : (bool)jointValue["enableMotor"]; //var motorSpeed = jsonToFloat("motorSpeed", jointValue); //var maxMotorTorque = jsonToFloat("maxMotorTorque", jointValue); //var frequencyHz = jsonToFloat("springFrequency", jointValue); //var dampingRatio = jsonToFloat("springDampingRatio", jointValue); //wheelDef.LocalAnchorA = localAnchorA; //wheelDef.LocalAnchorB = localAnchorB; //wheelDef.MotorEnabled = enableMotor; //wheelDef.MotorSpeed = motorSpeed; //wheelDef.SpringFrequencyHz = frequencyHz; //wheelDef.MaxMotorTorque = maxMotorTorque; //wheelDef.SpringDampingRatio = dampingRatio; } else if (type == "weld") { jointDef = weldDef = new b2WeldJointDef(); weldDef.localAnchorA = jsonToVec("anchorA", jointValue); weldDef.localAnchorB = jsonToVec("anchorB", jointValue); weldDef.referenceAngle = 0; } else if (type == "friction") { jointDef = frictionDef = new b2FrictionJointDef(); frictionDef.localAnchorA = jsonToVec("anchorA", jointValue); frictionDef.localAnchorB = jsonToVec("anchorB", jointValue); frictionDef.maxForce = jsonToFloat("maxForce", jointValue); frictionDef.maxTorque = jsonToFloat("maxTorque", jointValue); } else if (type == "rope") { jointDef = ropeDef = new b2RopeJointDef(); ropeDef.localAnchorA = jsonToVec("anchorA", jointValue); ropeDef.localAnchorB = jsonToVec("anchorB", jointValue); ropeDef.maxLength = jsonToFloat("maxLength", jointValue); } //else if (type == "motor") //{ // var maxForce = jsonToFloat("maxForce", jointValue); // var maxMotorTorque = jsonToFloat("maxTorque", jointValue); // var angularOffset = jsonToFloat("refAngle", jointValue); // joint = motorDef = new MotorJoint(bodyA, bodyB); // world.AddJoint(joint); // motorDef.LinearOffset = jsonToVec("anchorA", jointValue); // motorDef.MaxForce = maxForce; // motorDef.MaxTorque = maxMotorTorque; // motorDef.AngularOffset = angularOffset; //} if (null != jointDef) { // set features common to all joints jointDef.BodyA = m_bodies[bodyIndexA]; jointDef.BodyB = m_bodies[bodyIndexB]; jointDef.CollideConnected = jointValue["collideConnected"] == null ? false : (bool)jointValue["collideConnected"]; joint = world.CreateJoint(jointDef); if (type.Equals("mouse")) ((b2MouseJoint)joint).SetTarget(mouseJointTarget); String jointName = jointValue["name"] == null ? "" : (string)jointValue["name"]; if (!jointName.Equals("")) { SetJointName(joint, jointName); } } return joint; }