public CCPhysicsWorld(CCScene scene)
{
_gravity = new CCPoint(0.0f, -98.0f);
_speed = 1.0f;
_updateRate = 1;
_updateRateCount = 0;
_updateTime = 0.0f;
_info = null;
_scene = null;
_delayDirty = false;
_info = new CCPhysicsWorldInfo();
_scene = scene;
_info.SetGravity(PhysicsHelper.CCPointToCpVect(_gravity));
var spc = _info.getSpace();
spc.defaultHandler = new cpCollisionHandler()
{
beginFunc = (a, s, o) => CCPhysicsWorldCallback.CollisionBeginCallbackFunc(a as cpArbiter, s, this),
preSolveFunc = (a, s, o) => CCPhysicsWorldCallback.CollisionPreSolveCallbackFunc(a as cpArbiter, s, this),
postSolveFunc = (a, s, o) => CCPhysicsWorldCallback.CollisionPostSolveCallbackFunc(a as cpArbiter, s, this),
separateFunc = (a, s, o) => CCPhysicsWorldCallback.CollisionSeparateCallbackFunc(a as cpArbiter, s, this)
};
}
/** set the gravity value */
public void SetGravity(CCPoint gravity)
{
if (_bodies.Count > 0)
{
foreach (var body in _bodies)
{
// reset gravity for body
if (!body.IsGravityEnabled())
{
body.ApplyForce(PhysicsHelper.CCPointToCpVect((_gravity - gravity)) * body.GetMass());
}
}
}
_gravity = gravity;
_info.SetGravity(PhysicsHelper.CCPointToCpVect(gravity));
}
public CCPhysicsWorld(CCScene scene)
{
_gravity = new CCPoint(0.0f, -98.0f);
_speed = 1.0f;
_updateRate = 1;
_updateRateCount = 0;
_updateTime = 0.0f;
_info = null;
_scene = null;
_delayDirty = false;
_info = new CCPhysicsWorldInfo();
_scene = scene;
_info.SetGravity(PhysicsHelper.CCPointToCpVect(_gravity));
var spc = _info.getSpace();
spc.defaultHandler = new cpCollisionHandler()
{
beginFunc = (a, s, o) => CCPhysicsWorldCallback.CollisionBeginCallbackFunc(a as cpArbiter, s, this),
preSolveFunc = (a, s, o) => CCPhysicsWorldCallback.CollisionPreSolveCallbackFunc(a as cpArbiter, s, this),
postSolveFunc = (a, s, o) => CCPhysicsWorldCallback.CollisionPostSolveCallbackFunc(a as cpArbiter, s, this),
separateFunc = (a, s, o) => CCPhysicsWorldCallback.CollisionSeparateCallbackFunc(a as cpArbiter, s, this)
};
}
