public static RigidBody UpdatePhysics(RigidBody body, Time.TimeEventArgs t)
{
if (body.AllowMovement)
{
body.Drag = SolveDrag(body);
body.Force = SolveForce(body);
body.Acceleration = body.Force / body.Mass;
body.Velocity += body.Acceleration * t.Delta;
var movement = (body.Velocity + body.InputVelocity) * t.Delta;
body.Transform.Translate(offset: movement, relativeTo: Space.World);
}
return(body);
}
private void RenderUpdated(object sender, Time.TimeEventArgs e)
{
this.Dispatcher.Invoke(delegate {
ForceLabel.Content = "Force: " + Entity.Body.Force;
ExternalForceLabel.Content = "External Force: " + Entity.Body.ExternalForces;
InputVelocityLabel.Content = "Input Velocity: " + Entity.Body.InputVelocity;
WeightLabel.Content = "Weight: " + Entity.Body.Weight;
AccelerationLabel.Content = "Acceleration: " + Entity.Body.Acceleration;
VelocityLabel.Content = "Velocity: " + Entity.Body.Velocity;
PositionLabel.Content = "Position: " + Entity.Body.Position;
DragLabel.Content = "Drag: " + Entity.Body.Drag;
MassLabel.Content = "Mass: " + Entity.Body.Mass;
DeltaTime.Content = "dt: " + e.Delta + "ms";
Performance.Content = "Performance: " + Math.Floor(e.Delta * 3600) + " calculations per second";
});
}
private void RenderUpdated(object sender, Time.TimeEventArgs e)
{
this.Dispatcher.Invoke(delegate {
var scale = Game.Scene.Scale;
Canvas.SetLeft(this, Body.Position.X * scale);
Canvas.SetTop(this, -Body.Position.Y * scale);
Body.Transform.Resize(new Vector(this.ActualWidth, this.ActualHeight, 50));
var moveX = Input.Get(Engine.Input.InputType.Horizontal);
var moveY = Input.Get(Engine.Input.InputType.Jump);
var speed = 5;
Body.InputVelocity.X = moveX;
Body.InputVelocity *= speed;
if (moveY > 0 && !IsJumping)
{
IsJumping = true;
Body.Velocity += (Vector.Up * 15);
}
if (Body.Position.Y - Body.Size.Y / scale - 1.5f + 0.001f <= -Application.Current.MainWindow.ActualHeight / scale)
{
Body.AllowGravity = false;
Body.Position.Y = (float)-Application.Current.MainWindow.ActualHeight / scale + Body.Size.Y / scale + 1.5f;
Body.Force = Vector.Zero;
Body.Acceleration = Vector.Zero;
Body.Velocity = Vector.Zero;
IsJumping = false;
}
else
{
Body.AllowGravity = true;
}
});
}
private void PhysicsUpdated(object sender, Time.TimeEventArgs t) => RigidBodyHelper.UpdatePhysics(this, t);