/// <summary>
/// Constructor for the Gamestate class
/// </summary>
/// <param name="a_gameStateManager">The manager for the gamestate</param>
/// <param name="a_windowRes">the resolution for the screen</param>
public GameState(GameStateManager a_gameStateManager, Rectangle a_windowRes)
{
m_platformList = new List<Platform>();
m_particleList = new List<Particle>();
//Set Resoultion
m_windowRes = a_windowRes;
//World
m_world = new World(new Vector2(0, 0));
//Gravity
m_gravity = new Gravity(m_world, new Vector2(0, 1), 7.0f);
m_gameStateManager = a_gameStateManager;
m_game = m_gameStateManager.m_game;
m_camera = new Camera(m_game.GraphicsDevice);
m_playerSpawnLocation = new Vector2(0, 0);
//Particle stuff
m_particleSpawnPosition = new Vector2();
}
/// <summary>
/// Updating players behaviours
/// </summary>
/// <param name="a_gravity">reference to main gravity source</param>
/// <param name="a_gameTime"reference to main gameTime></param>
public void Update(GameTime a_gameTime, Gravity a_gravity)
{
m_collisionBody.Position = m_body.Position + ConvertUnits.ToSimUnits(new Vector2((float)-Math.Sin(a_gravity.angle), (float)Math.Cos(a_gravity.angle)) * (m_size.Y / 2 + 5f));
Vector2 tempRot = new Vector2(-(float)Math.Sin(m_body.Rotation), (float)Math.Cos(m_body.Rotation));
m_cameraFocus.m_body.Position = m_body.Position - (tempRot/1.5f) + (m_body.LinearVelocity * 0.3f);
Controls(a_gravity);
}
/// <summary>
/// Move activates and applies a switch that alters direction depending on the input key
/// </summary>
/// <param name="a_gravity">reference to main gravity</param>
/// <param name="a_key">key input alters direction of movement</param>
//private void Move(Gravity a_gravity, Keys a_key)
//{
// if (Keyboard.GetState().IsKeyDown(a_key))
// {
// Vector2 directionChange = new Vector2();
// switch (a_key)
// {
// case Keys.A:
// directionChange = new Vector2(-m_speed, 0);
// break;
// case Keys.D:
// directionChange = new Vector2(m_speed, 0);
// break;
// case Keys.W:
// directionChange = new Vector2(0, -m_speed);
// break;
// case Keys.S:
// directionChange = new Vector2(0, m_speed);
// break;
// case Keys.Space:
// directionChange = new Vector2(-a_gravity.direction.X, -a_gravity.direction.Y) * 200;
// break;
// }
// //Algorithm - Andrew G
// Vector2 gravNorm = new Vector2(-a_gravity.direction.Y, a_gravity.direction.X);
// gravNorm.Normalize();
// float force = Math.Abs( Vector2.Dot(gravNorm, directionChange));
// m_body.ApplyForce(directionChange, m_body.Position);
// }
//}
/// <summary>
/// Collection of if statements detecting input keys.
/// As well as applying rotation to the player based on gravities angle
/// </summary>
/// <param name="a_gravity">reference to main gravity</param>
private void Controls(Gravity a_gravity)
{
#if PSM
GamePadState inputState = GamePad.GetState(PlayerIndex.One);
Vector2 lStickInput = inputState.ThumbSticks.Left;
lStickInput.Normalize();
bool aDown = lStickInput.X < -0.1 ? true : false;
bool dDown = lStickInput.X > 0.1 ? true : false;
bool wDown = lStickInput.Y < -0.1 ? true : false;
bool sDown = lStickInput.Y > 0.1 ? true : false;
if (m_canJump)
{
if (inputState.Buttons.A == ButtonState.Pressed)
{
m_body.ApplyForce(-a_gravity.direction * 170, m_body.Position);
m_canJump = false;
}
}
#else
bool aDown = Keyboard.GetState().IsKeyDown(Keys.A);
bool dDown = Keyboard.GetState().IsKeyDown(Keys.D);
bool wDown = Keyboard.GetState().IsKeyDown(Keys.W);
bool sDown = Keyboard.GetState().IsKeyDown(Keys.S);
if (m_canJump)
{
if (Keyboard.GetState().IsKeyDown(Keys.Space))
{
m_body.ApplyForce(-a_gravity.direction * 170, m_body.Position);
m_canJump = false;
}
}
#endif
float invSqrt2 = (float)(1.0f / Math.Sqrt(2));
Vector2 keyForce = new Vector2(0, 0);
if (aDown) // moving left
{
if (wDown)
{
keyForce = new Vector2(-invSqrt2, -invSqrt2);
}
else if (sDown)
{
keyForce = new Vector2(-invSqrt2, invSqrt2);
}
else if (dDown)
{
}
else
{
keyForce = new Vector2(-1, 0);
}
}
else if (dDown) // moving right
{
if (wDown)
{
keyForce = new Vector2(invSqrt2, -invSqrt2);
}
else if (sDown)
{
keyForce = new Vector2(invSqrt2, invSqrt2);
}
else if (aDown)
{
}
else
{
keyForce = new Vector2(1, 0);
}
}
else if (wDown)
{
if (aDown)
{
keyForce = new Vector2(-invSqrt2, -invSqrt2);
}
else if (dDown)
{
keyForce = new Vector2(invSqrt2, -invSqrt2);
}
else if (sDown)
{
}
else
{
keyForce = new Vector2(0, -1);
}
}
else if (sDown)
{
keyForce = new Vector2(0, 1);
}
Vector2 gravNorm = new Vector2(-a_gravity.direction.Y, a_gravity.direction.X);
gravNorm.Normalize();
float force = Vector2.Dot(gravNorm, keyForce);
m_body.ApplyForce(gravNorm * force * 5, m_body.Position);
if (m_canJump)
{
if (Keyboard.GetState().IsKeyDown(Keys.Space))
{
m_body.ApplyForce(-a_gravity.direction * 170, m_body.Position);
m_canJump = false;
}
}
m_cameraFocus.m_body.Rotation = a_gravity.angle;
}
