static Camera()
{
positionAcceleration = new DecimalVector(0m, 0m, 0m);
positionAccelerationFadeOut = new DecimalVector(0m, 0m, 0m);
Angle = new DecimalVector(0m, 0m, 0m);
angularAcceleration = new DecimalVector(0m, 0m, 0m);
angularAccelerationFadeOut = new DecimalVector(0m, 0m, 0m);
Location = new DecimalVector(0m, 0m, 0m);
Target = new DecimalVector(0m, 0m, 1m);
ControlMode = Mode.Default;
Up = new DecimalVector(0m, 1m, 0m);
Sensitivity = 1;
halfAngle = new DecimalVector(0m, 0m);
halfSpeed = new DecimalVector(0m, 0m);
CameraTimer = new Timer();
CameraTimer.Interval = 10;
CameraTimer.Tick += AnimationStep;
CameraTimer.Tick += TimerTick;
CameraTimer.Start();
}
private void Initialize()
{
StartingLocation = new Vector(0f, 0f, 0f);
fObject = new FlyingObject(Parent, ModelManager.modelBank[0].model, 7);
fObject.ShaderProgram = GeneralGraphics.SimulatedLighting;
var physGui = new Object();
physGui.Location = new Vector(0f, 0f, 0f);
PhysicsObject obj = new PhysicsObject();
obj.Velocity = fObject.PhysicalBody.Velocity;
obj.ParentObject = physGui;
for (int i = 0; i < 8; ++i)
{
obj.ModulatePhysics();
obj.ApplyNaturalForces();
}
var target = new DecimalVector((decimal)physGui.Location.X,
(decimal)physGui.Location.Y, (decimal)physGui.Location.Z + 10);
Camera.MoveTo(target, 60);
timer = new Timer();
timer.Interval = 10;
timer.Tick += AnimationStep;
timer.Start();
fObject.Start();
}
// Converter: decimalVector v2 = decimalVector.FromVector( v1 );
public static DecimalVector FromVector(DecimalVector that)
{
return(new DecimalVector(that));
}
// Constructor: decimalVector v2 = new decimalVector( v1 );
public DecimalVector(DecimalVector that) : base()
{
this.CopyFromArray(that.ToArray()); return;
}
public static void RotateAround(DecimalVector position, decimal angularVelocity = 0.5m)
{
rotationCenter = position;
rotationRadius = (decimal)Math.Sqrt((double)(Location.X - position.X) * (double)(Location.X - position.X) +
(double)(Location.Z - position.Z) * (double)(Location.Z - position.Z));
rotationAngle = (decimal)GeometryMath.DegreeToRadian(Math.Asin((float)(Location.Z - position.Z) /
(float)rotationRadius));
rotate = true;
Camera.angularVelocity = angularVelocity;
}
/// <summary>
/// Moves the camera to a given point.
/// </summary>
/// <param name="position">The position to move the camera to.(Z plane)</param>
/// <param name="time">The time for which the movement is completed in milliseconds.</param>
public static void MoveTo(DecimalVector position, decimal time)
{
position.Z = -position.Z;
position.Y = -position.Y;
position.X = -position.X;
time /= 2;
useTargets = true;
if (positionAcceleration.Z == 0m && Math.Abs(Zoom - position.Z) > GameConstants.ZoomErrorMargin)
if (ControlMode == Mode.Smooth)
{
int direction = -Math.Sign(Zoom - position.Z);
decimal distance = Math.Abs(Zoom - position.Z) / 2;
positionAcceleration.Z = direction * (2 * distance) / (time * time);
positionAccelerationFadeOut.Z = (-direction) * positionAcceleration.Z;
time -= 1;
halfSpeed.Z = positionAcceleration.Z * time;
}
else
{
//do nothing
}
if (positionAcceleration.X == 0m && Math.Abs(Location.X - position.X) > GameConstants.ZoomErrorMargin)
if (ControlMode == Mode.Smooth)
{
int direction = -Math.Sign(Location.X - position.X);
decimal distance = Math.Abs(Location.X - position.X) / 2;
positionAcceleration.X = direction * (2 * distance) / (time * time);
positionAccelerationFadeOut.X = (-direction) * positionAcceleration.X;
time -= 1;
halfSpeed.X = positionAcceleration.X * time;
}
else
{
//do nothing
}
if (positionAcceleration.Y == 0m && Math.Abs(Location.Y - position.Y) > GameConstants.ZoomErrorMargin)
if (ControlMode == Mode.Smooth)
{
int direction = -Math.Sign(Location.Y - position.Y);
decimal distance = Math.Abs(Location.Y - position.Y) / 2;
positionAcceleration.Y = direction * (2 * distance) / (time * time);
positionAccelerationFadeOut.Y = (-direction) * positionAcceleration.Y;
time -= 1;
halfSpeed.Y = positionAcceleration.Y * time;
}
else
{
//do nothing
}
}
/// <summary>
/// Rotates the camera to look at a given point.
/// </summary>
/// <param name="target">The point to look at.</param>
/// <param name="time">The time for which the rotation is completed in milliseconds.</param>
public static void LookAt(DecimalVector target, decimal time)
{
useTargets = true;
//opengl axis hack
target.Y = -target.Y;
time /= 2;
#region X axis
int direction = -Math.Sign(Angle.X - target.Y);
//Console.WriteLine("distance:{0}", Math.Abs(Angle.X - target.Y));
if (angularAcceleration.X == 0m && Math.Abs(Angle.X - target.Y) >= 5.0m)
if (ControlMode == Mode.Smooth)
{
decimal distance = Math.Abs(Angle.X - target.Y) / 2;
angularAcceleration.X = direction * (2 * distance) / (time * time);
angularAccelerationFadeOut.X = (-direction) * angularAcceleration.X;
time -= 1;
halfAngle.X = angularAcceleration.X * time;
}
else
{
//do nothing
}
#endregion
#region Y axis
direction = -Math.Sign(Angle.Y - target.X);
//Console.WriteLine("distance:{0}", Math.Abs(Angle.X - target.Y));
if (angularAcceleration.Y == 0m && Math.Abs(Angle.Y - target.X) >= 5.0m)
if (ControlMode == Mode.Smooth)
{
decimal distance = Math.Abs(Angle.Y - target.X) / 2;
angularAcceleration.Y = direction * (2 * distance) / (time * time);
angularAccelerationFadeOut.Y = (-direction) * angularAcceleration.Y;
time -= 1;
halfAngle.Y = angularAcceleration.Y * time;
}
else
{
//do nothing
}
#endregion
}
