public SmoothCamera(String pName, SceneManager pSceneManager, MovingObject pTarget, Int32 pFramesBehind)
: base(pName, pSceneManager)
{
Node = pSceneManager.RootSceneNode.CreateChildSceneNode();
Node.Position = cameraOffset;
Node.AttachObject(this);
x = new List<double>(pFramesBehind);
y = new List<double>(pFramesBehind);
dx = new List<double>(pFramesBehind);
dy = new List<double>(pFramesBehind);
framesBehind = Math.Max(1, pFramesBehind);
target = pTarget;
for (var i = 0; i < pFramesBehind; i++)
{
x.Add(pTarget.Position.x);
y.Add(pTarget.Position.y);
dx.Add(0);
dy.Add(0);
}
x.Insert(0, pTarget.Position.x);
y.Insert(0, pTarget.Position.y);
dx.Insert(0, pTarget.Velocity.x);
dy.Insert(0, pTarget.Velocity.y);
isYawFixed = true;
FixedYawAxis = Vector3.UnitZ;
Near = 5;
AutoAspectRatio = true;
}
public MultiLights(SceneManager pSceneManager, SceneNode pCamNode, MovingObject pPlayerShip, Int32 pNumberOfLights)
{
oldCamLightColor = CamLightColor = new ColorEx(0.13f, 0.1f, 0.05f);
PlayerLightColor = ColorEx.White;
camLights = new List<Light>(pNumberOfLights);
innerLights = (Int32)Math.Round(pNumberOfLights / 3.0f, MidpointRounding.AwayFromZero);
outerLights = pNumberOfLights - innerLights;
// create the playership's light.
playerLight = pSceneManager.CreateLight("playerSpotLight");
playerLight.Type = LightType.Spotlight;
playerLight.Diffuse = PlayerLightColor;
playerLight.Specular = ColorEx.White;
playerLight.SetSpotlightRange(0.0f, 120.0f);
playerLight.Direction = Vector3.NegativeUnitZ;
playerLightNode = pPlayerShip.Node.CreateChildSceneNode();
playerLightNode.AttachObject(playerLight);
playerLightNode.Position = new Vector3(0, 0, 0);
playerLightNode.SetDirection(new Vector3(1, 0, 0), TransformSpace.Local);
// create the camera spotlights around the camera's direction.
camInnerLightNode = pCamNode.CreateChildSceneNode();
camInnerLightNode.Position = new Vector3(0, 0, 0);
camOuterLightNode = pCamNode.CreateChildSceneNode();
camOuterLightNode.Position = new Vector3(0, 0, 0);
for (var i = 0; i < innerLights; i++)
{
var light = pSceneManager.CreateLight("camInnerLight " + (i + 1));
light.Type = LightType.Spotlight;
light.Diffuse = CamLightColor;
light.Specular = ColorEx.White;
light.SetSpotlightRange(0.0f, 25.0f);
light.Direction = Quaternion.FromAngleAxis(360.0 * i / innerLights * Constants.DegreesToRadians, Vector3.UnitZ) *
Quaternion.FromAngleAxis(10.0 * Constants.DegreesToRadians, Vector3.UnitX) *
Vector3.NegativeUnitZ;
camLights.Add(light);
camInnerLightNode.AttachObject(light);
}
for (var i = 0; i < outerLights; i++)
{
var light = pSceneManager.CreateLight("camOuterLight " + (i + 1));
light.Type = LightType.Spotlight;
light.Diffuse = CamLightColor;
light.Specular = ColorEx.White;
light.SetSpotlightRange(0.0f, 25.0f);
light.Direction = Quaternion.FromAngleAxis(360.0 * i / outerLights * Constants.DegreesToRadians, Vector3.UnitZ) *
Quaternion.FromAngleAxis(20.0 * Constants.DegreesToRadians, Vector3.UnitX) *
Vector3.NegativeUnitZ;
camLights.Add(light);
camOuterLightNode.AttachObject(light);
}
}
public override void Loop(MovingObject pShip)
{
if (Targets.Count == 0)
Targets.Add(new Vector3((Methods.Random.NextDouble() - 0.5) * World.Instance.Arena.Width, (Methods.Random.NextDouble() - 0.5) * World.Instance.Arena.Height, 0));
InputStates.Clear();
//InputStates.Fire = Methods.Random.Next(128) == 0; // Temporary random fire.
InputStates.Add(MoveToNextTarget(pShip));
InputStates.DetectPresses();
}
public static Trail NewTrail(MovingObject pObjectToFollow, Single pMaxWidth, ColorEx pColor)
{
if (freeTrails.Count == 0)
{
return new Trail(pObjectToFollow, pMaxWidth, pColor);
}
var trail = freeTrails.Dequeue();
trail.Relaunch(pObjectToFollow, pMaxWidth, pColor);
return trail;
}
public override void Loop(MovingObject pShip)
{
InputStates.Up = InputStates.GetKey(Keys.Up);
InputStates.Down = InputStates.GetKey(Keys.Down);
InputStates.Left = InputStates.GetKey(Keys.Left);
InputStates.Right = InputStates.GetKey(Keys.Right);
InputStates.Fire = InputStates.GetKey(Keys.C);
InputStates.Secondary = InputStates.GetKey(Keys.X);
InputStates.Upgrade = InputStates.GetKey(Keys.Z);
InputStates.DetectPresses();
}
public Trail(MovingObject pObjectToFollow, Single pMaxWidth, ColorEx pColor)
{
LoopResultStates = new LoopResultStates();
Chain = new BillboardChain(Methods.GenerateUniqueID.ToString(CultureInfo.InvariantCulture));
Chain.Material.SetSceneBlending(SceneBlendType.Replace);
Chain.Material.DepthCheck = false;
Chain.Material.DepthWrite = false;
Chain.NumberOfChains = 1;
Chain.IsVisible = false;
World.Instance.SceneManager.RootSceneNode.AttachObject(Chain);
Relaunch(pObjectToFollow, pMaxWidth, pColor);
}
protected InputStates MoveToNextTarget(MovingObject pShip)
{
temporaryAdditionInputState.Clear();
if (Targets.Count <= 0) return temporaryAdditionInputState;
var nextTarget = Targets[0];
var vectorToTarget = Methods.ToVector2(nextTarget - pShip.Position); // Direction to target.
var vectorToFacing = Methods.ToVector2(pShip.Velocity + 4 * Methods.AngleToVector(pShip.Angle * Constants.DegreesToRadians)); // Ship's velocity plus a little bit of it's rotation.
var vectorAlong = Methods.Projection(vectorToFacing, vectorToTarget); // The part of the facing vector that is in line with the target (how close we are to pointing to the target).
var vectorAside = vectorToTarget - vectorAlong; // The part of the facing vector that is looking to the side of the target (how close we are to looking 90 degrees away from the target).
if (vectorAside.Length < vectorAlong.Length * 2 && vectorToTarget.Dot(vectorToFacing) > 0) // Generally facing target.
temporaryAdditionInputState.Up = true;
if (vectorAside.Length * 8 > vectorAlong.Length || vectorToTarget.Dot(vectorToFacing) < 0) // Accurately facing target.
if (vectorToFacing.Perpendicular.Dot(vectorToTarget) < 0) // Target is to the left.
temporaryAdditionInputState.Left = true;
else
temporaryAdditionInputState.Right = true;
if ((nextTarget - pShip.Position).Length < (Targets.Count > 1 ? 32 : 16)) // Are we there yet? More lenient if there are more waypoints to come.
Targets.RemoveAt(0);
return temporaryAdditionInputState;
}
public InputStates InputStates = new InputStates(); // keys pressed after every Loop().
#endregion Fields
#region Methods
public abstract void Loop(MovingObject pShip);
public void Relaunch(MovingObject pObjectToFollow, Single pMaxWidth, ColorEx pColor)
{
objectToFollow = pObjectToFollow;
maxwidth = pMaxWidth;
color = pColor;
trailState = TrailState.Growing;
elementList.Clear();
elementPositions.Clear();
elementsToDestroy = Chain.MaxChainElements = 4;
AddHead();
}