public void Update(float dt, PhysicsManager physManager, PhysObject po)
{
// Apply friction if the body is not in the air
if (!po.IsInTheAir && AffectedByPhysics)
{
ApplyFriction(physManager, po);
}
Vector2 acceleration = Force * (1 / Mass);
if (IgnoreGravity || !AffectedByPhysics)
{
LinearVelocity += (acceleration * dt);
}
else
{
LinearVelocity += (physManager.Gravity + acceleration) * dt;
}
// If projectile, update it
if (po is Projectile)
{
Projectile projectile = (Projectile)po;
projectile.Update();
}
// If pendulum, update it
if (po is Pendulum)
{
Pendulum pendulum = (Pendulum)po;
pendulum.Update(physManager, dt);
}
// If moving platform, update it
if (po is MovingPlatform)
{
MovingPlatform movingPlatform = (MovingPlatform)po;
movingPlatform.Update();
}
// Update the time since last collision
// Don't care when moving platform or pendulum last collided
if (!(po is MovingPlatform) && !(po is Pendulum))
{
po.TimeSinceLastCollisionWithFloor++;
po.TimeSinceLastCollision++;
// Determine if the body is in the air or not
if (po.TimeSinceLastCollisionWithFloor < 50 && AffectedByPhysics)
{
po.IsInTheAir = false;
}
else
{
po.IsInTheAir = true;
}
}
// Ensure things aren't moving too fast
MaximumVelocityCheck(physManager, po);
if ((Math.Abs(LinearVelocity.X) > 0 || Math.Abs(LinearVelocity.Y) > 0) && AffectedByPhysics)
{
// If there's a body on top of the current rigid body
for (int i = 0; i < po.BodiesOnTop.Count; i++)
{
// Check if the body is still on top
if (po.BodiesOnTop[i].TimeSinceLastCollision < 50)
{
// If this is a moving platform, move the object on top with this body
if (po is MovingPlatform)
{
po.BodiesOnTop[i].RigidBody.Position += (LinearVelocity * dt);
// If there is a stack of bodies on top of the moving platform
for (int j = 0; j < po.BodiesOnTop[i].BodiesOnTop.Count; j++)
{
if (!po.BodiesOnTop.Contains(po.BodiesOnTop[i].BodiesOnTop[j]))
{
// Add each unique body to the list of bodies on the platform
po.BodiesOnTop.Add(po.BodiesOnTop[i].BodiesOnTop[j]);
}
}
}
}
else
{
po.BodiesOnTop.Remove(po.BodiesOnTop[i]);
}
}
}
// Reset the force
Force = new Vector2(0);
Position += (LinearVelocity * dt);
}
public void addMovingPlatform(MovingPlatform newPlat)
{
movingPlatforms.Add(newPlat);
dynamicPhysicsObjects.Add(newPlat.platform);
}
