private void HandleCursor(InputHelper input)
{
Vector2 position = Camera.ConvertScreenToWorld(input.Cursor);
if ((input.IsNewButtonPress(Buttons.A) ||
input.IsNewMouseButtonPress(MouseButtons.LeftButton)) &&
_fixedMouseJoint == null)
{
Fixture savedFixture = World.TestPoint(position);
if (savedFixture != null)
{
Body body = savedFixture.Body;
_fixedMouseJoint = new FixedMouseJoint(body, position);
_fixedMouseJoint.MaxForce = 1000.0f * body.Mass;
World.AddJoint(_fixedMouseJoint);
body.Awake = true;
}
}
if ((input.IsNewButtonRelease(Buttons.A) ||
input.IsNewMouseButtonRelease(MouseButtons.LeftButton)) &&
_fixedMouseJoint != null)
{
World.RemoveJoint(_fixedMouseJoint);
_fixedMouseJoint = null;
}
if (_fixedMouseJoint != null)
{
_fixedMouseJoint.WorldAnchorB = position;
}
}
private void HandleUserAgent(InputHelper input)
{
Vector2 force = _agentForce * new Vector2(input.GamePadState.ThumbSticks.Right.X,
-input.GamePadState.ThumbSticks.Right.Y);
float torque = _agentTorque * (input.GamePadState.Triggers.Right - input.GamePadState.Triggers.Left);
_userAgent.ApplyForce(force);
_userAgent.ApplyTorque(torque);
float forceAmount = _agentForce * 0.6f;
force = Vector2.Zero;
torque = 0;
if (input.KeyboardState.IsKeyDown(Keys.A))
{
force += new Vector2(-forceAmount, 0);
}
if (input.KeyboardState.IsKeyDown(Keys.S))
{
force += new Vector2(0, forceAmount);
}
if (input.KeyboardState.IsKeyDown(Keys.D))
{
force += new Vector2(forceAmount, 0);
}
if (input.KeyboardState.IsKeyDown(Keys.W))
{
force += new Vector2(0, -forceAmount);
}
if (input.KeyboardState.IsKeyDown(Keys.Q))
{
torque -= _agentTorque;
}
if (input.KeyboardState.IsKeyDown(Keys.E))
{
torque += _agentTorque;
}
_userAgent.ApplyForce(force);
_userAgent.ApplyTorque(torque);
}
private void HandleCamera(InputHelper input, GameTime gameTime)
{
Vector2 camMove = Vector2.Zero;
if (input.KeyboardState.IsKeyDown(Keys.Up))
{
camMove.Y -= 10f * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
if (input.KeyboardState.IsKeyDown(Keys.Down))
{
camMove.Y += 10f * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
if (input.KeyboardState.IsKeyDown(Keys.Left))
{
camMove.X -= 10f * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
if (input.KeyboardState.IsKeyDown(Keys.Right))
{
camMove.X += 10f * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
if (input.KeyboardState.IsKeyDown(Keys.PageUp))
{
Camera.Zoom += 5f * (float)gameTime.ElapsedGameTime.TotalSeconds * Camera.Zoom / 20f;
}
if (input.KeyboardState.IsKeyDown(Keys.PageDown))
{
Camera.Zoom -= 5f * (float)gameTime.ElapsedGameTime.TotalSeconds * Camera.Zoom / 20f;
}
if (camMove != Vector2.Zero)
{
Camera.MoveCamera(camMove);
}
if (input.IsNewKeyPress(Keys.Home))
{
Camera.ResetCamera();
}
}
