void dCollisionCapsuleNodeInfo::CalculateInertiaGeometry (dScene* const world, dVector& inertia, dVector& centerOfMass) const { NewtonWorld* const newton = world->GetNewtonWorld(); NewtonCollision* const shape = NewtonCreateCapsule(newton, m_radius0, m_radius1, m_height, 0, &m_matrix[0][0]); CalculateGeometryProperies (shape, inertia, centerOfMass); NewtonDestroyCollision (shape); }
NzCapsuleGeom::NzCapsuleGeom(NzPhysWorld* physWorld, float length, float radius, const NzMatrix4f& transformMatrix) : NzBaseGeom(physWorld), m_length(length), m_radius(radius) { m_collision = NewtonCreateCapsule(physWorld->GetHandle(), radius, length, 0, transformMatrix); }
NewtonCollision* CreateNewtonCapsule (NewtonWorld* world, NewtonEntity *ent, float height, float radius, int shapeId, const glm::mat4& orientation) { // Place the shape origin at the geometrical center of the entity glm::vec3 origin( (ent->maxBox + ent->minBox)*0.5f ); glm::mat4 offset = glm::gtc::matrix_transform::translate(orientation,origin); // now create a collision Box for this entity return NewtonCreateCapsule(world, radius, height, shapeId, &offset[0][0]); }
NewtonCollision* dCollisionCapsuleNodeInfo::CreateNewtonCollision (NewtonWorld* const world, dScene* const scene, dScene::dTreeNode* const myNode) const { dAssert (IsType (dCollisionCapsuleNodeInfo::GetRttiType())); // get the collision node int collisionID = GetShapeId (); const dMatrix& offsetMatrix = GetTransform (); // create a newton collision shape from the node. return NewtonCreateCapsule(world, m_radius0, m_radius1, m_height, collisionID, &offsetMatrix[0][0]); }
iPhysicsCollision* iPhysics::createCapsule(float32 radius, float32 height, const iaMatrixf& offset, uint64 worldID) { iPhysicsCollision* result = nullptr; const NewtonWorld* world = static_cast<const NewtonWorld*>(getWorld(worldID)->getNewtonWorld()); if (world != nullptr) { NewtonCollision* collision = NewtonCreateCapsule(static_cast<const NewtonWorld*>(world), radius, height, 0, 0, offset.getData()); result = new iPhysicsCollision(collision, worldID); NewtonCollisionSetUserID(static_cast<const NewtonCollision*>(collision), result->getID()); _collisionsListMutex.lock(); _collisions[result->getID()] = result; _collisionsListMutex.unlock(); } return result; }
dCustomPlayerController* dCustomPlayerControllerManager::CreateController(const dMatrix& location, const dMatrix& localAxis, dFloat mass, dFloat radius, dFloat height, dFloat stepHeight) { NewtonWorld* const world = GetWorld(); dMatrix shapeMatrix(localAxis); shapeMatrix.m_posit = shapeMatrix.m_front.Scale (height * 0.5f); shapeMatrix.m_posit.m_w = 1.0f; dFloat scale = 3.0f; height = dMax(height - 2.0f * radius / scale, dFloat(0.1f)); NewtonCollision* const bodyCapsule = NewtonCreateCapsule(world, radius / scale, radius / scale, height, 0, &shapeMatrix[0][0]); NewtonCollisionSetScale(bodyCapsule, 1.0f, scale, scale); // create the kinematic body NewtonBody* const body = NewtonCreateKinematicBody(world, bodyCapsule, &location[0][0]); // players must have weight, otherwise they are infinitely strong when they collide NewtonCollision* const shape = NewtonBodyGetCollision(body); NewtonBodySetMassProperties(body, mass, shape); // make the body collidable with other dynamics bodies, by default NewtonBodySetCollidable(body, 1); NewtonDestroyCollision(bodyCapsule); dCustomPlayerController& controller = m_playerList.Append()->GetInfo(); controller.m_localFrame = localAxis; controller.m_mass = mass; controller.m_invMass = 1.0f / mass; controller.m_manager = this; controller.m_kinematicBody = body; controller.m_contactPatch = radius / scale; controller.m_stepHeight = dMax (stepHeight, controller.m_contactPatch * 2.0f); return &controller; }
// create a rope of boxes void AddRope (NewtonWorld* nWorld) { int i; dFloat mass; dFloat Ixx; dFloat Iyy; dFloat Izz; NewtonBody* link0; NewtonBody* link1; NewtonCustomJoint* joint; NewtonCollision* collision; RenderPrimitive* visualObject; dVector size (2.0f, 0.25f, 0.25f); // calculate a acurate momenet of inertia mass = 2.0f; Ixx = 0.7f * mass * (size.m_y * size.m_y + size.m_z * size.m_z) / 12.0f; Iyy = 0.7f * mass * (size.m_x * size.m_x + size.m_z * size.m_z) / 12.0f; Izz = 0.7f * mass * (size.m_x * size.m_x + size.m_y * size.m_y) / 12.0f; // create 100 tack of 10 boxes each //dMatrix location (GetIdentityMatrix()); dMatrix location (dgRollMatrix(3.1426f * 0.5f)); location.m_posit.m_y = 11.5f; location.m_posit.m_z = -5.0f; // create a collision primitive to be shared by all links collision = NewtonCreateCapsule (nWorld, size.m_y, size.m_x, NULL); link0 = NULL; // create a lon vertical rope with limits for (i = 0; i < 7; i ++) { // create the a graphic character (use a visualObject as our body visualObject = new CapsulePrimitive (location, size.m_y, size.m_x); //create the rigid body link1 = NewtonCreateBody (nWorld, collision); // add some damping to each link NewtonBodySetLinearDamping (link1, 0.2f); dVector angularDamp (0.2f, 0.2f, 0.2f); NewtonBodySetAngularDamping (link1, &angularDamp.m_x); // Set Material Id for this object NewtonBodySetMaterialGroupID (link1, woodID); // save the pointer to the graphic object with the body. NewtonBodySetUserData (link1, visualObject); // set a destrutor for this rigid body NewtonBodySetDestructorCallback (link1, PhysicsBodyDestructor); // set the tranform call back function NewtonBodySetTransformCallback (link1, PhysicsSetTransform); // set the force and torque call back funtion NewtonBodySetForceAndTorqueCallback (link1,PhysicsApplyGravityForce); // set the mass matrix NewtonBodySetMassMatrix (link1, mass, Ixx, Iyy, Izz); // set the matrix for tboth the rigid nody and the graphic body NewtonBodySetMatrix (link1, &location[0][0]); PhysicsSetTransform (link1, &location[0][0]); dVector pivot (location.m_posit); pivot.m_y += (size.m_x - size.m_y) * 0.5f; dFloat coneAngle = 2.0 * 3.1416f / 180.0f; dFloat twistAngle = 2.0 * 3.1416f / 180.0f; dVector pin (location.m_front.Scale (-1.0f)); joint = new CustomConeLimitedBallAndSocket(twistAngle, coneAngle, pin, pivot, link1, link0); link0 = link1; location.m_posit.m_y -= (size.m_x - size.m_y); } // vrete a short horizontal rope with limits location = GetIdentityMatrix(); location.m_posit.m_y = 2.5f; location.m_posit.m_z = -7.0f; link0 = NULL; for (i = 0; i < 3; i ++) { // create the a graphic character (use a visualObject as our body visualObject = new CapsulePrimitive (location, size.m_y, size.m_x); //create the rigid body link1 = NewtonCreateBody (nWorld, collision); // add some damping to each link NewtonBodySetLinearDamping (link1, 0.2f); dVector angularDamp (0.2f, 0.2f, 0.2f); NewtonBodySetAngularDamping (link1, &angularDamp.m_x); // Set Material Id for this object NewtonBodySetMaterialGroupID (link1, woodID); // save the pointer to the graphic object with the body. NewtonBodySetUserData (link1, visualObject); // make sure it is active NewtonWorldUnfreezeBody (nWorld, link1); //NewtonBodySetAutoFreeze (link1, 0); // set a destrutor for this rigid body NewtonBodySetDestructorCallback (link1, PhysicsBodyDestructor); // set the tranform call back function NewtonBodySetTransformCallback (link1, PhysicsSetTransform); // set the force and torque call back funtion NewtonBodySetForceAndTorqueCallback (link1,PhysicsApplyGravityForce); // set the mass matrix NewtonBodySetMassMatrix (link1, mass, Ixx, Iyy, Izz); // set the matrix for tboth the rigid nody and the graphic body NewtonBodySetMatrix (link1, &location[0][0]); PhysicsSetTransform (link1, &location[0][0]); dVector pivot (location.m_posit); pivot.m_x += (size.m_x - size.m_y) * 0.5f; dFloat coneAngle = 10.0 * 3.1416f / 180.0f; dFloat twistAngle = 10.0 * 3.1416f / 180.0f; dVector pin (location.m_front.Scale (-1.0f)); joint = new CustomConeLimitedBallAndSocket(twistAngle, coneAngle, pin, pivot, link1, link0); link0 = link1; location.m_posit.m_x -= (size.m_x - size.m_y); } // release the collision geometry when not need it NewtonReleaseCollision (nWorld, collision); }
NewtonCollision* CapsuleCollider3D::CreateHandle(PhysWorld3D* world) const { return NewtonCreateCapsule(world->GetHandle(), m_radius, m_length, 0, m_matrix); }
NewtonCollision* CreateConvexCollision (NewtonWorld* world, const dMatrix& srcMatrix, const dVector& originalSize, PrimitiveType type, int materialID__) { dVector size (originalSize); NewtonCollision* collision = NULL; switch (type) { case _NULL_PRIMITIVE: { collision = NewtonCreateNull (world); break; } case _SPHERE_PRIMITIVE: { // create the collision collision = NewtonCreateSphere (world, size.m_x * 0.5f, 0, NULL); break; } case _BOX_PRIMITIVE: { // create the collision collision = NewtonCreateBox (world, size.m_x, size.m_y, size.m_z, 0, NULL); break; } case _CONE_PRIMITIVE: { dFloat r = size.m_x * 0.5f; dFloat h = size.m_y; // create the collision collision = NewtonCreateCone (world, r, h, 0, NULL); break; } case _CYLINDER_PRIMITIVE: { // create the collision collision = NewtonCreateCylinder (world, size.m_x * 0.5f, size.m_y, 0, NULL); break; } case _CAPSULE_PRIMITIVE: { // create the collision collision = NewtonCreateCapsule (world, size.m_x * 0.5f, size.m_y, 0, NULL); break; } case _TAPERED_CAPSULE_PRIMITIVE: { // create the collision collision = NewtonCreateTaperedCapsule (world, size.m_x * 0.5f, size.m_z * 0.5f, size.m_y, 0, NULL); break; } case _CHAMFER_CYLINDER_PRIMITIVE: { // create the collision collision = NewtonCreateChamferCylinder (world, size.m_x * 0.5f, size.m_y, 0, NULL); break; } case _TAPERED_CYLINDER_PRIMITIVE: { // create the collision collision = NewtonCreateTaperedCylinder (world, size.m_x * 0.5f, size.m_z * 0.5f, size.m_y, 0, NULL); break; } case _RANDOM_CONVEX_HULL_PRIMITIVE: { // Create a clouds of random point around the origin #define SAMPLE_COUNT 200 dVector cloud [SAMPLE_COUNT]; // make sure that at least the top and bottom are present cloud [0] = dVector ( size.m_x * 0.5f, 0.0f, 0.0f, 0.0f); cloud [1] = dVector (-size.m_x * 0.5f, 0.0f, 0.0f, 0.0f); cloud [2] = dVector ( 0.0f, size.m_y * 0.5f, 0.0f, 0.0f); cloud [3] = dVector ( 0.0f, -size.m_y * 0.5f, 0.0f, 0.0f); cloud [4] = dVector (0.0f, 0.0f, size.m_z * 0.5f, 0.0f); cloud [5] = dVector (0.0f, 0.0f, -size.m_z * 0.5f, 0.0f); int count = 6; // populate the cloud with pseudo Gaussian random points for (int i = 6; i < SAMPLE_COUNT; i ++) { cloud [i].m_x = RandomVariable(size.m_x); cloud [i].m_y = RandomVariable(size.m_y); cloud [i].m_z = RandomVariable(size.m_z); count ++; } collision = NewtonCreateConvexHull (world, count, &cloud[0].m_x, sizeof (dVector), 0.01f, 0, NULL); break; } case _REGULAR_CONVEX_HULL_PRIMITIVE: { // Create a clouds of random point around the origin #define STEPS_HULL 6 //#define STEPS_HULL 3 dVector cloud [STEPS_HULL * 4 + 256]; int count = 0; dFloat radius = size.m_y; dFloat height = size.m_x * 0.999f; dFloat x = - height * 0.5f; dMatrix rotation (dPitchMatrix(2.0f * 3.141592f / STEPS_HULL)); for (int i = 0; i < 4; i ++) { dFloat pad = ((i == 1) || (i == 2)) * 0.25f * radius; dVector p (x, 0.0f, radius + pad); x += 0.3333f * height; dMatrix acc (dGetIdentityMatrix()); for (int j = 0; j < STEPS_HULL; j ++) { cloud[count] = acc.RotateVector(p); acc = acc * rotation; count ++; } } collision = NewtonCreateConvexHull (world, count, &cloud[0].m_x, sizeof (dVector), 0.02f, 0, NULL); break; } case _COMPOUND_CONVEX_CRUZ_PRIMITIVE: { //dMatrix matrix (GetIdentityMatrix()); dMatrix matrix (dPitchMatrix(15.0f * 3.1416f / 180.0f) * dYawMatrix(15.0f * 3.1416f / 180.0f) * dRollMatrix(15.0f * 3.1416f / 180.0f)); // NewtonCollision* const collisionA = NewtonCreateBox (world, size.m_x, size.m_x * 0.25f, size.m_x * 0.25f, 0, &matrix[0][0]); // NewtonCollision* const collisionB = NewtonCreateBox (world, size.m_x * 0.25f, size.m_x, size.m_x * 0.25f, 0, &matrix[0][0]); // NewtonCollision* const collisionC = NewtonCreateBox (world, size.m_x * 0.25f, size.m_x * 0.25f, size.m_x, 0, &matrix[0][0]); matrix.m_posit = dVector (size.m_x * 0.5f, 0.0f, 0.0f, 1.0f); NewtonCollision* const collisionA = NewtonCreateBox (world, size.m_x, size.m_x * 0.25f, size.m_x * 0.25f, 0, &matrix[0][0]); matrix.m_posit = dVector (0.0f, size.m_x * 0.5f, 0.0f, 1.0f); NewtonCollision* const collisionB = NewtonCreateBox (world, size.m_x * 0.25f, size.m_x, size.m_x * 0.25f, 0, &matrix[0][0]); matrix.m_posit = dVector (0.0f, 0.0f, size.m_x * 0.5f, 1.0f); NewtonCollision* const collisionC = NewtonCreateBox (world, size.m_x * 0.25f, size.m_x * 0.25f, size.m_x, 0, &matrix[0][0]); collision = NewtonCreateCompoundCollision (world, 0); NewtonCompoundCollisionBeginAddRemove(collision); NewtonCompoundCollisionAddSubCollision (collision, collisionA); NewtonCompoundCollisionAddSubCollision (collision, collisionB); NewtonCompoundCollisionAddSubCollision (collision, collisionC); NewtonCompoundCollisionEndAddRemove(collision); NewtonDestroyCollision(collisionA); NewtonDestroyCollision(collisionB); NewtonDestroyCollision(collisionC); break; } default: dAssert (0); } dMatrix matrix (srcMatrix); matrix.m_front = matrix.m_front.Scale (1.0f / dSqrt (matrix.m_front % matrix.m_front)); matrix.m_right = matrix.m_front * matrix.m_up; matrix.m_right = matrix.m_right.Scale (1.0f / dSqrt (matrix.m_right % matrix.m_right)); matrix.m_up = matrix.m_right * matrix.m_front; NewtonCollisionSetMatrix(collision, &matrix[0][0]); return collision; }
void CustomPlayerController::Init(dFloat mass, dFloat outerRadius, dFloat innerRadius, dFloat height, dFloat stairStep, const dMatrix& localAxis) { dAssert (stairStep >= 0.0f); dAssert (innerRadius >= 0.0f); dAssert (outerRadius >= innerRadius); dAssert (height >= stairStep); dAssert (localAxis[0].m_w == dFloat (0.0f)); dAssert (localAxis[1].m_w == dFloat (0.0f)); CustomPlayerControllerManager* const manager = (CustomPlayerControllerManager*) GetManager(); NewtonWorld* const world = manager->GetWorld(); SetRestrainingDistance (0.0f); m_outerRadio = outerRadius; m_innerRadio = innerRadius; m_height = height; m_stairStep = stairStep; SetClimbSlope(45.0f * 3.1416f/ 180.0f); m_upVector = localAxis[0]; m_frontVector = localAxis[1]; m_groundPlane = dVector (0.0f, 0.0f, 0.0f, 0.0f); m_groundVelocity = dVector (0.0f, 0.0f, 0.0f, 0.0f); const int steps = 12; dVector convexPoints[2][steps]; // create an inner thin cylinder dFloat shapeHigh = height; dAssert (shapeHigh > 0.0f); dVector p0 (0.0f, m_innerRadio, 0.0f, 0.0f); dVector p1 (shapeHigh, m_innerRadio, 0.0f, 0.0f); for (int i = 0; i < steps; i ++) { dMatrix rotation (dPitchMatrix (i * 2.0f * 3.141592f / steps)); convexPoints[0][i] = localAxis.RotateVector(rotation.RotateVector(p0)); convexPoints[1][i] = localAxis.RotateVector(rotation.RotateVector(p1)); } NewtonCollision* const supportShape = NewtonCreateConvexHull(world, steps * 2, &convexPoints[0][0].m_x, sizeof (dVector), 0.0f, 0, NULL); // create the outer thick cylinder dMatrix outerShapeMatrix (localAxis); dFloat capsuleHigh = m_height - stairStep; dAssert (capsuleHigh > 0.0f); m_sphereCastOrigin = capsuleHigh * 0.5f + stairStep; outerShapeMatrix.m_posit = outerShapeMatrix[0].Scale(m_sphereCastOrigin); outerShapeMatrix.m_posit.m_w = 1.0f; NewtonCollision* const bodyCapsule = NewtonCreateCapsule(world, 0.25f, 0.5f, 0, &outerShapeMatrix[0][0]); NewtonCollisionSetScale(bodyCapsule, capsuleHigh, m_outerRadio * 4.0f, m_outerRadio * 4.0f); // compound collision player controller NewtonCollision* const playerShape = NewtonCreateCompoundCollision(world, 0); NewtonCompoundCollisionBeginAddRemove(playerShape); NewtonCompoundCollisionAddSubCollision (playerShape, supportShape); NewtonCompoundCollisionAddSubCollision (playerShape, bodyCapsule); NewtonCompoundCollisionEndAddRemove (playerShape); // create the kinematic body dMatrix locationMatrix (dGetIdentityMatrix()); m_body = NewtonCreateKinematicBody(world, playerShape, &locationMatrix[0][0]); // players must have weight, otherwise they are infinitely strong when they collide NewtonCollision* const shape = NewtonBodyGetCollision(m_body); NewtonBodySetMassProperties(m_body, mass, shape); // make the body collidable with other dynamics bodies, by default NewtonBodySetCollidable (m_body, true); dFloat castHigh = capsuleHigh * 0.4f; dFloat castRadio = (m_innerRadio * 0.5f > 0.05f) ? m_innerRadio * 0.5f : 0.05f; dVector q0 (0.0f, castRadio, 0.0f, 0.0f); dVector q1 (castHigh, castRadio, 0.0f, 0.0f); for (int i = 0; i < steps; i ++) { dMatrix rotation (dPitchMatrix (i * 2.0f * 3.141592f / steps)); convexPoints[0][i] = localAxis.RotateVector(rotation.RotateVector(q0)); convexPoints[1][i] = localAxis.RotateVector(rotation.RotateVector(q1)); } m_castingShape = NewtonCreateConvexHull(world, steps * 2, &convexPoints[0][0].m_x, sizeof (dVector), 0.0f, 0, NULL); m_supportShape = NewtonCompoundCollisionGetCollisionFromNode (shape, NewtonCompoundCollisionGetNodeByIndex (shape, 0)); m_upperBodyShape = NewtonCompoundCollisionGetCollisionFromNode (shape, NewtonCompoundCollisionGetNodeByIndex (shape, 1)); NewtonDestroyCollision (bodyCapsule); NewtonDestroyCollision (supportShape); NewtonDestroyCollision (playerShape); m_isJumping = false; }
cCollideShapeNewton::cCollideShapeNewton(eCollideShapeType aType, const cVector3f &avSize, cMatrixf* apOffsetMtx, NewtonWorld* apNewtonWorld, iPhysicsWorld *apWorld) : iCollideShape(apWorld) { mpNewtonCollision = NULL; mpNewtonWorld = apNewtonWorld; mvSize = avSize; mType = aType; mfVolume = 0; float *pMtx = NULL; cMatrixf mtxTranspose; if(apOffsetMtx) { m_mtxOffset = *apOffsetMtx; mtxTranspose = m_mtxOffset.GetTranspose(); pMtx = &(mtxTranspose.m[0][0]); } else m_mtxOffset = cMatrixf::Identity; //////////////////////////////////////////// // Create Newton collision switch(aType) { case eCollideShapeType_Null: mpNewtonCollision = NewtonCreateNull(apNewtonWorld); break; case eCollideShapeType_Box: mpNewtonCollision = NewtonCreateBox(apNewtonWorld, mvSize.x, mvSize.y, mvSize.z, pMtx); break; case eCollideShapeType_Sphere: mpNewtonCollision = NewtonCreateSphere(apNewtonWorld, mvSize.x, mvSize.y, mvSize.z, pMtx); break; case eCollideShapeType_Cylinder: mpNewtonCollision = NewtonCreateCylinder(apNewtonWorld, mvSize.x, mvSize.y, pMtx); break; case eCollideShapeType_Capsule: mpNewtonCollision = NewtonCreateCapsule(apNewtonWorld, mvSize.x, mvSize.y, pMtx); break; } //////////////////////////////////////////// // Calculate Bounding volume and volume. if(mType == eCollideShapeType_Box) { mBoundingVolume.SetSize(mvSize); mfVolume = mvSize.x * mvSize.y *mvSize.z; } else if(mType == eCollideShapeType_Sphere) { mBoundingVolume.SetSize(mvSize*2); mfVolume = (4.0f / 3.0f) * kPif * (mvSize.x*mvSize.x*mvSize.x); } else if(mType == eCollideShapeType_Cylinder || mType == eCollideShapeType_Capsule) { mBoundingVolume.SetSize(cVector3f(mvSize.y,mvSize.x*2,mvSize.x*2)); //Not gonna be correct for capsule... if(mType == eCollideShapeType_Cylinder) mfVolume = kPif * (mvSize.x*mvSize.x)*mvSize.y; else { //Height of the cylinder part. float fCylHeight = mvSize.y - (mvSize.x*2); mfVolume =0; //The volume of the cylinder part. if(fCylHeight>0) mfVolume += kPif * (mvSize.x*mvSize.x)*fCylHeight; //The volume of the sphere part. mfVolume += (4.0f / 3.0f) * kPif * (mvSize.x*mvSize.x*mvSize.x); } } mBoundingVolume.SetTransform(m_mtxOffset); }
static void MakeFunnyCompound (DemoEntityManager* const scene, const dVector& origin) { NewtonWorld* const world = scene->GetNewton(); // create an empty compound collision NewtonCollision* const compound = NewtonCreateCompoundCollision (world, 0); #if 1 NewtonCompoundCollisionBeginAddRemove(compound); // add a bunch of convex collision at random position and orientation over the surface of a big sphere float radio = 5.0f; for (int i = 0 ; i < 300; i ++) { NewtonCollision* collision = NULL; float pitch = RandomVariable (1.0f) * 2.0f * 3.1416f; float yaw = RandomVariable (1.0f) * 2.0f * 3.1416f; float roll = RandomVariable (1.0f) * 2.0f * 3.1416f; float x = RandomVariable (0.5f); float y = RandomVariable (0.5f); float z = RandomVariable (0.5f); if ((x == 0.0f) && (y == 0.0f) && (z == 0.0f)){ x = 0.1f; } dVector p (x, y, z, 1.0f) ; p = p.Scale (radio / dSqrt (p % p)); dMatrix matrix (dPitchMatrix (pitch) * dYawMatrix (yaw) * dRollMatrix (roll)); matrix.m_posit = p; int r = dRand(); switch ((r >>2) & 3) { case 0: { collision = NewtonCreateSphere(world, 0.5, 0, &matrix[0][0]) ; break; } case 1: { collision = NewtonCreateCapsule(world, 0.3f, 0.2f, 0.5f, 0, &matrix[0][0]) ; break; } case 2: { collision = NewtonCreateCylinder(world, 0.25, 0.5, 0.25, 0, &matrix[0][0]) ; break; } case 3: { collision = NewtonCreateCone(world, 0.25, 0.25, 0, &matrix[0][0]) ; break; } } dAssert (collision); // we can set a collision id, and use data per sub collision NewtonCollisionSetUserID(collision, i); NewtonCollisionSetUserData(collision, (void*) i); // add this new collision NewtonCompoundCollisionAddSubCollision (compound, collision); NewtonDestroyCollision(collision); } // finish adding shapes NewtonCompoundCollisionEndAddRemove(compound); { // remove the first 10 shapes // test remove shape form a compound NewtonCompoundCollisionBeginAddRemove(compound); void* node = NewtonCompoundCollisionGetFirstNode(compound); for (int i = 0; i < 10; i ++) { //NewtonCollision* const collision = NewtonCompoundCollisionGetCollisionFromNode(compound, node); void* const nextNode = NewtonCompoundCollisionGetNextNode(compound, node); NewtonCompoundCollisionRemoveSubCollision(compound, node); node = nextNode; } // finish remove void* handle1 = NewtonCompoundCollisionGetNodeByIndex (compound, 30); void* handle2 = NewtonCompoundCollisionGetNodeByIndex (compound, 100); NewtonCollision* const shape1 = NewtonCompoundCollisionGetCollisionFromNode (compound, handle1); NewtonCollision* const shape2 = NewtonCompoundCollisionGetCollisionFromNode (compound, handle2); NewtonCollision* const copyShape1 = NewtonCollisionCreateInstance (shape1); NewtonCollision* const copyShape2 = NewtonCollisionCreateInstance (shape2); // you can also remove shape by their index NewtonCompoundCollisionRemoveSubCollisionByIndex (compound, 30); NewtonCompoundCollisionRemoveSubCollisionByIndex (compound, 100); handle1 = NewtonCompoundCollisionAddSubCollision (compound, copyShape1); handle2 = NewtonCompoundCollisionAddSubCollision (compound, copyShape2); NewtonDestroyCollision(copyShape1); NewtonDestroyCollision(copyShape2); NewtonCompoundCollisionEndAddRemove(compound); } { // show how to modify the children of a compound collision NewtonCompoundCollisionBeginAddRemove(compound); for (void* node = NewtonCompoundCollisionGetFirstNode(compound); node; node = NewtonCompoundCollisionGetNextNode(compound, node)) { NewtonCollision* const collision = NewtonCompoundCollisionGetCollisionFromNode(compound, node); // you can scale, change the matrix, change the inertia, do anything you want with the change NewtonCollisionSetUserData(collision, NULL); } NewtonCompoundCollisionEndAddRemove(compound); } // NewtonCollisionSetScale(compound, 0.5f, 0.25f, 0.125f); #else //test Yeside compound shape shape // - Rotation="1.5708 -0 0" Translation="0 0 0.024399" Size="0.021 0.096" Pos="0 0 0.115947" // - Rotation="1.5708 -0 0" Translation="0 0 0.056366" Size="0.195 0.024" Pos="0 0 0.147914" // - Rotation="1.5708 -0 0" Translation="0 0 -0.056366" Size="0.0065 0.07 Pos="0 0 0.035182" NewtonCompoundCollisionBeginAddRemove(compound); NewtonCollision* collision; dMatrix offsetMatrix (dPitchMatrix(1.5708f)); offsetMatrix.m_posit.m_z = 0.115947f; collision = NewtonCreateCylinder (world, 0.021f, 0.096f, 0, &offsetMatrix[0][0]) ; NewtonCompoundCollisionAddSubCollision (compound, collision); NewtonDestroyCollision(collision); offsetMatrix.m_posit.m_z = 0.035182f; collision = NewtonCreateCylinder (world, 0.0065f, 0.07f, 0, &offsetMatrix[0][0]) ; NewtonCompoundCollisionAddSubCollision (compound, collision); NewtonDestroyCollision(collision); offsetMatrix.m_posit.m_z = 0.147914f; collision = NewtonCreateCylinder (world, 0.195f, 0.024f, 0, &offsetMatrix[0][0]) ; NewtonCompoundCollisionAddSubCollision (compound, collision); NewtonDestroyCollision(collision); NewtonCompoundCollisionEndAddRemove(compound); #endif // for now we will simple make simple Box, make a visual Mesh DemoMesh* const visualMesh = new DemoMesh ("big ball", compound, "metal_30.tga", "metal_30.tga", "metal_30.tga"); int instaceCount = 2; dMatrix matrix (dGetIdentityMatrix()); matrix.m_posit = origin; for (int ix = 0; ix < instaceCount; ix ++) { for (int iz = 0; iz < instaceCount; iz ++) { dFloat y = origin.m_y; dFloat x = origin.m_x + (ix - instaceCount/2) * 15.0f; dFloat z = origin.m_z + (iz - instaceCount/2) * 15.0f; matrix.m_posit = FindFloor (world, dVector (x, y + 10.0f, z, 0.0f), 20.0f); ; matrix.m_posit.m_y += 15.0f; CreateSimpleSolid (scene, visualMesh, 10.0f, matrix, compound, 0); } } visualMesh->Release(); NewtonDestroyCollision(compound); }
dNewtonCollisionCapsule::dNewtonCollisionCapsule(dNewtonWorld* const world, dFloat radio0, dFloat radio1, dFloat height) :dNewtonAlignedShapes(world, 0) { NewtonWaitForUpdateToFinish(m_myWorld->m_world); SetShape(NewtonCreateCapsule(m_myWorld->m_world, radio0, radio1, height, 0, NULL)); }