public Camera(GameObject obj)
: base(obj)
{
Height = GameObject.Scene.Device.Viewport.Height;
Width = GameObject.Scene.Device.Viewport.Width;
_viewport = new RectangleF(GameObject.Transform.Position.X, GameObject.Transform.Position.X, Width, Height);
// center this around the camera
_center = new Vector2(Width / 2, Height / 2);
Transform.Position = new Vector2(Width / 2, Height / 2);
}
public static RectangleF Overlap(RectangleF one, RectangleF two)
{
if(Intersects(one, two))
{
float x11 = one.Position.X;
float x12 = one.Position.X + one.Dimensions.X;
float y11 = one.Position.Y;
float y12 = one.Position.Y + one.Dimensions.Y;
float x21 = two.Position.X;
float y21 = two.Position.Y;
float x22 = two.Position.X + two.Dimensions.X;
float y22 = two.Position.Y + two.Dimensions.Y;
float xOverlap = Math.Max(0, Math.Min(x12, x22) - Math.Max(x11, x21));
float yOverlap = Math.Max(0, Math.Min(y12, y22) - Math.Max(y11, y21));
return new RectangleF(Vector2.Zero, new Vector2(xOverlap, yOverlap));
}
return Empty;
}
public override void Update(GameTime time)
{
if (Scene.CurrentState == GameState.End)
{
if(_model.UseAnimations)
_model.PlayAnimation(AnimationSequence.Idle, true);
return;
}
// apply gravity here
if (UseGravity)
{
//check to see if we can fall
RectangleF rect = new RectangleF((int)Transform.Position.X, (int)Transform.Position.Y + 1, Box.Width, Box.Height);
RigidBody collider = null;
if (Scene.CheckForCollisions(this, rect, out collider).IsEmpty)
{
// apply gravity
Acceleration += Scene.GravityDirection * (Scene.Gravity * (float)time.ElapsedGameTime.TotalSeconds);
}
else
{
// TODO: This is so very wrong, but it introduces a fun double jump that I want to keep
if (!Colliding && collider != null)
{
Colliding = true;
GameObject.OnCollision(collider);
}
// I.E. Falling
if(Acceleration.Y > 0 || Velocity.Y > 0)
{
Acceleration = new Vector2(Acceleration.X, 0);
Velocity = new Vector2(Velocity.X, 0);
}
}
}
//clamp the max
Acceleration = Vector2.Min(Acceleration, MaxVelocity);
//check to see if we need to apply drag
if (!Velocity.CloseToZero() && HasDrag)
{
Vector2 otherWay = Vector2.Normalize(Velocity) * -1 * Drag; //see if this even works
Velocity += otherWay;
if(_model.UseAnimations && _model.PlayingAnimation == AnimationSequence.Idle)
_model.PlayAnimation(AnimationSequence.Run, true, 0.05f);
}
else
{
// only idle if we are running
if (_model.UseAnimations && _model.PlayingAnimation == AnimationSequence.Run)
{
_model.PlayAnimation(AnimationSequence.Idle, true);
Velocity = Vector2.Zero;
}
}
_model.Effects = Velocity.X >= 0 ? SpriteEffects.None : SpriteEffects.FlipHorizontally;
Velocity = Vector2.Min(Velocity, MaxVelocity);
// do the rigid stuff
Velocity += Acceleration * (float)time.ElapsedGameTime.TotalSeconds;
Transform.Position += Velocity * (float)time.ElapsedGameTime.TotalSeconds;
}
public bool Insersects(RectangleF two)
{
return Intersects(this, two);
}
public static bool Intersects(RectangleF one, RectangleF two)
{
return one.Position.X < two.Position.X + two.Dimensions.X && one.Position.X + one.Dimensions.X > two.Position.X
&& one.Position.Y < two.Position.Y + two.Dimensions.Y && one.Position.Y + one.Dimensions.Y > two.Position.Y;
}
public void Draw(SpriteBatch b, Texture2D tex, Transform t, RectangleF rect, float layer)
{
Vector2 actualPos = DrawPosition(t);
rect.Position = actualPos;
b.Draw(tex, rect.ToRectangle(), null, Color.White, t.Rotation, Vector2.Zero, SpriteEffects.None, layer);
}
private void ParseJSON()
{
if (_configData == null)
return;
Type t = this.GetType();
foreach (PropertyInfo info in t.GetProperties())
{
object[] attr = info.GetCustomAttributes(true);
foreach (var custom in attr)
{
JSONKey jsonKey = custom as JSONKey;
if (jsonKey != null)
{
//lets get the key matching
string key = string.IsNullOrEmpty(jsonKey.JSONName) ? info.Name.ToLower() : jsonKey.JSONName;
if (_configData[key] != null)
{
if (info.PropertyType == typeof(string))
{
info.SetValue(this, _configData[key].ToString(), null);
}
else if (info.PropertyType == typeof(int))
{
info.SetValue(this, _configData[key].AsInt, null);
}
else if (info.PropertyType == typeof(bool))
{
info.SetValue(this, _configData[key].AsBool, null);
}
else if (info.PropertyType == typeof(float))
{
info.SetValue(this, _configData[key].AsFloat, null);
}
else if (info.PropertyType == typeof(double))
{
info.SetValue(this, _configData[key].AsDouble, null);
}
else if(info.PropertyType == typeof(RectangleF))
{
RectangleF tmp = new RectangleF();
tmp.Position.X = _configData["x"].AsInt;
tmp.Position.Y = _configData["y"].AsInt;
tmp.Dimensions.X = _configData["width"].AsInt;
tmp.Dimensions.Y = _configData["height"].AsInt;
info.SetValue(this, tmp, null);
}
}
//we have an attribute that is matching in json
if (jsonKey is Required && info.GetValue(this, null) == null)
{
//uh oh, we have to make sure this has some value!
throw new RequiredJSONAttributeMissing(key, string.Format("JSON is missing for the key {0}", key));
}
}
}
}
}
public RectangleF CheckForCollisions(RigidBody col, RectangleF rect, out RigidBody x)
{
foreach (GameObject o in _sceneObjects)
{
RigidBody collider = o.GetComponent<RigidBody>();
if (collider != null)
{
if (collider != col)
{
RectangleF result = RectangleF.Overlap(rect, collider.Box);
if(!result.IsEmpty)
{
x = collider;
return result;
}
}
}
}
x = null;
return RectangleF.Empty;
}