/// <summary>
/// This function can be called many times with different elapsed times passed in. This function will only figure out a new
/// position based on the previous tick's velocity and the time passed in. Every time this function gets called, the starting point
/// is the last call to PrepareForNewCycle.
/// </summary>
public virtual void TimerTestPosition(double elapsedTime)
{
// Make sure position is where it was when PrepareForNew was called
if (_savedPosition == null)
{
// This is the first time I've been called since PrepareForNew. Remember the current position
_savedPosition = this.Position.Clone();
}
else
{
// I've been called before. Reset my position
this.Position.StoreNewValues(_savedPosition);
}
// Remember the elapsed time that was passed in
_elapsedTime = elapsedTime;
// Get the change in position
MyVector changeInPos = _velocity * elapsedTime;
// See if I'm about to clip the box boundry (If I am, the ChangeInPos will be changed so that I don't cross the boundry line.)
if (_usesBoundingBox)
{
TimerBoxBoundry(this.Position, ref changeInPos, elapsedTime);
}
// ChangeInPos is now a position. I will add it to the current position
this.Position.Add(changeInPos);
}
/// <summary>
/// Transforms a vector by a matrix.
/// </summary>
/// <remarks>
/// I've seen this in other code as matrix * vector
/// </remarks>
public static MyVector Transform(MyMatrix3 matrix, MyVector vector)
{
return(new MyVector(
(matrix.M11 * vector.X) + (matrix.M12 * vector.Y) + (matrix.M13 * vector.Z),
(matrix.M21 * vector.X) + (matrix.M22 * vector.Y) + (matrix.M23 * vector.Z),
(matrix.M31 * vector.X) + (matrix.M32 * vector.Y) + (matrix.M33 * vector.Z)));
}
/// <summary>
/// This function returns a vector that is rotated by the opposite of me
/// </summary>
public MyVector GetRotatedVectorReverse(MyVector vector, bool isQuatNormalized)
{
if (!isQuatNormalized)
{
// I'm not normalized, clone myself and normalize it
MyQuaternion myUnitClone = new MyQuaternion(this.X, this.Y, this.Z, this.W);
myUnitClone.BecomeUnitQuaternion();
return(myUnitClone.GetRotatedVectorReverse(vector, true));
}
MyVector qvec = new MyVector(this.X, this.Y, this.Z);
//Vector uv = qvec.Cross(vector);
MyVector uv = MyVector.Cross(qvec, vector);
//Vector uuv = qvec.Cross(uv);
MyVector uuv = MyVector.Cross(qvec, uv);
//uv *= (2.0f * quat.w);
uv.Multiply(this.W * -2d);
//uuv *= 2.0f;
uuv.Multiply(2d);
//return vector + uv + uuv;
MyVector retVal = vector.Clone();
retVal.Add(uv);
retVal.Add(uuv);
return(retVal);
}
/// <summary>
/// This function will check to see if I've clipped the box boundry. If I have, I will change the ChangeInPosition, so that the ball
/// won't cross the boundry line.
/// </summary>
/// <param name="curPositionCloned">The values of this will be changed if there is a boundry collision</param>
/// <param name="changeInPos">This will get reset if there is a collision with the boundry</param>
/// <param name="elapsedTime">This is needed to recalculate changeInPos if there is a boundry collision</param>
private void TimerBoxBoundry(MyVector position, ref MyVector changeInPos, double elapsedTime)
{
List <Coords> affectedAxiis = new List <Coords>();
// Clone the Position in order to start generating the ProposedPosition
MyVector proposedPosition = this.Position.Clone();
// Add the change in position to the proposed position to make it a real proposed position
proposedPosition.Add(changeInPos);
// Now compare the proposed position with the stated corner stones to see if I went to far
#region X
if (proposedPosition.X < _boundingLower.X)
{
affectedAxiis.Add(Coords.X);
position.X = _boundingLower.X;
}
else if (proposedPosition.X > _boundingUpper.X)
{
affectedAxiis.Add(Coords.X);
position.X = _boundingUpper.X;
}
#endregion
#region Y
if (proposedPosition.Y < _boundingLower.Y)
{
affectedAxiis.Add(Coords.Y);
position.Y = _boundingLower.Y;
}
else if (proposedPosition.Y > _boundingUpper.Y)
{
affectedAxiis.Add(Coords.Y);
position.Y = _boundingUpper.Y;
}
#endregion
#region Z
if (proposedPosition.Z < _boundingLower.Z)
{
affectedAxiis.Add(Coords.Z);
position.Z = _boundingLower.Z;
}
else if (proposedPosition.Z > _boundingUpper.Z)
{
affectedAxiis.Add(Coords.Z);
position.Z = _boundingUpper.Z;
}
#endregion
if (affectedAxiis.Count > 0)
{
// Bounce the ball
changeInPos = TimerBoxBoundrySprtBounceIt(affectedAxiis, elapsedTime);
}
}
/// <summary>
/// This function will pick an arbitrary orthogonal to the vector passed in. This will only be usefull if you are going
/// to rotate 180
/// </summary>
public static MyVector GetArbitraryOrhonganal(MyVector vector)
{
// Clone the vector passed in
MyVector retVal = vector.Clone();
// Make sure that none of the values are equal to zero.
if (retVal.X == 0)
{
retVal.X = 0.000000001d;
}
if (retVal.Y == 0)
{
retVal.Y = 0.000000001d;
}
if (retVal.Z == 0)
{
retVal.Z = 0.000000001d;
}
// Figure out the orthogonal X and Y slopes
double orthM = (retVal.X * -1) / retVal.Y;
double orthN = (retVal.Y * -1) / retVal.Z;
// When calculating the new coords, I will default Y to 1, and find an X and Z that satisfy that. I will go ahead and reuse the retVal
retVal.Y = 1;
retVal.X = 1 / orthM;
retVal.Z = orthN;
// Exit Function
return(retVal);
}
/// <summary>
/// I only made this public so I could hook a tester to it
/// </summary>
public static void OrthonormalizeOrientation(MyMatrix3 orientation)
{
// Do some crazy math (something about constraining 9 degrees of freedom of a matrix down to 3)
MyVector x = new MyVector(orientation.M11, orientation.M21, orientation.M31);
x.BecomeUnitVector();
MyVector y = new MyVector(orientation.M12, orientation.M22, orientation.M32); // just store a temp variable into y (until I calculate z)
MyVector z = MyVector.Cross(x, y);
z.BecomeUnitVector();
y = MyVector.Cross(z, x);
y.BecomeUnitVector();
// Overwrite the matrix passed in
orientation.M11 = x.X;
orientation.M12 = y.X;
orientation.M13 = z.X;
orientation.M21 = x.Y;
orientation.M22 = y.Y;
orientation.M23 = z.Y;
orientation.M31 = x.Z;
orientation.M32 = y.Z;
orientation.M33 = z.Z;
}
/// <summary>
/// This function returns the vector from returnList that is closest to testVect
/// </summary>
public static MyVector GetNearestVector(MyVector testVect, MyVector[] returnList)
{
// Find the closest point
double minDist = double.MaxValue;
int minDistIndex = -1;
double x, y, z, curDist;
for (int returnCntr = 0; returnCntr < returnList.Length; returnCntr++)
{
// Get dist squared
x = returnList[returnCntr].X - testVect.X;
y = returnList[returnCntr].Y - testVect.Y;
z = returnList[returnCntr].Z - testVect.Z;
curDist = (x * x) + (y * y) + (z * z); // no need to use sqrt
// See if this is nearer
if (curDist < minDist)
{
minDist = curDist;
minDistIndex = returnCntr;
}
}
// Exit Function
return(returnList[minDistIndex]);
}
/// <summary>
/// This gives the dot product between the two vectors passed in
/// NOTE: This overload does not normalize them first (a standard dot product)
/// </summary>
public static double Dot(MyVector v1, MyVector v2)
{
// For speed reasons, I want to rewrite the function, rather than call my overload with false
return((v1.X * v2.X) +
(v1.Y * v2.Y) +
(v1.Z * v2.Z));
}
/// <summary>
/// This function takes in a destination vector, and I will tell you how much you need to rotate me in order for me to end up along
/// that destination vector.
/// </summary>
/// <remarks>
/// I gave up trying to return this in YawPitchRoll form. I think it can be done, but there are all kinds of strange contridictions
/// and order of operation that I've decided that is not the way things are done. Use YawPitchRoll when receiving input from a
/// joystick. But when all you know is vectors, and you want to know how to rotate them, use this function.
///
/// If I am already aligned with the vector passed in, then I will return an arbitrary orthoganal, and an angle of zero.
/// </remarks>
/// <param name="destination">This is the vector you want me to align myself with</param>
/// <param name="rotationAxis">This is a vector that is orthoganal to me and the vector passed in (cross product)</param>
/// <param name="rotationRadians">This is the number of radians you must rotate me around the rotation axis in order to be aligned with the vector passed in</param>
public void GetAngleAroundAxis(out MyVector rotationAxis, out double rotationRadians, MyVector destination)
{
// Grab the angle
rotationRadians = GetAngleBetweenVectors(this, destination);
if (Double.IsNaN(rotationRadians))
{
rotationRadians = 0;
}
// I need to pull the cross product from me to the vector passed in
rotationAxis = Cross(this, destination);
// If the cross product is zero, then there are two possibilities. The vectors point in the same direction, or opposite directions.
if (rotationAxis.IsZero)
{
// If I am here, then the angle will either be 0 or PI.
if (rotationRadians == 0)
{
// The vectors sit on top of each other. I will set the orthoganal to an arbitrary value, and return zero for the radians
rotationAxis.X = 1;
rotationRadians = 0;
}
else
{
// The vectors are pointing directly away from each other, so I will need to be more careful when I create my orthoganal.
rotationAxis = GetArbitraryOrhonganal(rotationAxis);
}
}
//rotationAxis.BecomeUnitVector(); // It would be nice to be tidy, but not nessassary, and I don't want slow code
}
/// <summary>
/// This overload should only be used during a clone. I simply trust the values passed to me
/// </summary>
protected Sphere(MyVector position, DoubleVector origDirectionFacing, MyQuaternion rotation, double radius)
{
_position = position;
_radius = radius;
_origDirFacing = origDirectionFacing;
_rotation = rotation;
}
/// <summary>
/// This creates a new vector that is the vector with a length of one
/// </summary>
public static MyVector BecomeUnitVector(MyVector vector)
{
MyVector retVal = vector.Clone();
retVal.BecomeUnitVector();
return(retVal);
}
public void SetPointers(MyVector boundryLower, MyVector boundryUpper)
{
_boundryLower = boundryLower;
_boundryUpper = boundryUpper;
// Apply Settings
trkWidth_Scroll(this, new EventArgs());
trkHeight_Scroll(this, new EventArgs());
}
public void GetAngleAroundAxis(out MyQuaternion rotation, MyVector destination)
{
MyVector axis;
double radians;
GetAngleAroundAxis(out axis, out radians, destination);
rotation = new MyQuaternion(axis, radians);
}
public Triangle(MyVector vertex1, MyVector vertex2, MyVector vertex3)
{
this.Vertex1 = vertex1;
this.Vertex2 = vertex2;
this.Vertex3 = vertex3;
this.Pointer1 = -1;
this.Pointer2 = -1;
this.Pointer3 = -1;
}
public Triangle()
{
this.Vertex1 = null;
this.Vertex2 = null;
this.Vertex3 = null;
this.Pointer1 = -1;
this.Pointer2 = -1;
this.Pointer3 = -1;
}
public SolidBallTester()
{
InitializeComponent();
_bitmap = new Bitmap(pictureBox1.DisplayRectangle.Width, pictureBox1.DisplayRectangle.Height);
_graphics = Graphics.FromImage(_bitmap);
_boundryLower = new MyVector(0, 0, 0);
_boundryUpper = new MyVector(pictureBox1.DisplayRectangle.Width, pictureBox1.DisplayRectangle.Height, 0);
}
public Triangle(double x1, double y1, double z1, double x2, double y2, double z2, double x3, double y3, double z3)
{
this.Vertex1 = new MyVector(x1, y1, z1);
this.Vertex2 = new MyVector(x2, y2, z2);
this.Vertex3 = new MyVector(x3, y3, z3);
this.Pointer1 = -1;
this.Pointer2 = -1;
this.Pointer3 = -1;
}
/// <summary>
/// Get a random vector between maxValue*-1 and maxValue
/// </summary>
public static MyVector GetRandomVector(double maxValue)
{
MyVector retVal = new MyVector();
retVal.X = GetNearZeroValue(maxValue);
retVal.Y = GetNearZeroValue(maxValue);
retVal.Z = GetNearZeroValue(maxValue);
return(retVal);
}
public Triangle(MyVector[] uniquePoints, int pointer1, int pointer2, int pointer3)
{
this.Vertex1 = uniquePoints[pointer1];
this.Vertex2 = uniquePoints[pointer2];
this.Vertex3 = uniquePoints[pointer3];
this.Pointer1 = pointer1;
this.Pointer2 = pointer2;
this.Pointer3 = pointer3;
}
/// <summary>
/// I will internally rotate the vectors around, get the Z component to drop out, and only return Theta. I will not change the values
/// of the vectors passed in
/// </summary>
public static double GetAngleBetweenVectors(MyVector v1, MyVector v2)
{
// Get the dot product of the two vectors (I use retVal, just because it makes a convenient temp variable)
double retVal = Dot(MyVector.BecomeUnitVector(v1), MyVector.BecomeUnitVector(v2));
// Now pull the arccos of the dot product
retVal = Math.Acos(retVal);
// Exit Function
return(retVal);
}
public static MyVector GetRandomVectorSpherical2D(double maxRadius)
{
MyVector retVal = new MyVector(GetNearZeroValue(maxRadius), 0, 0);
MyVector rotateAxis = new MyVector(0, 0, 1);
double radians = GetNearZeroValue(2d * Math.PI);
retVal.RotateAroundAxis(rotateAxis, radians);
return(retVal);
}
/// <summary>
/// This function will calculate the new velocity based on the current acceleration and elapsed time. I will store the result back into
/// my velocity property.
/// </summary>
private void TimerSprtVel(double elapsedTime)
{
// Clone the current accel
MyVector changeInVel = _acceleration.Clone();
// Now make the ChangeInVel a velocity instead of an acceleration by multiplying it by time
changeInVel.Multiply(elapsedTime);
// I have the change in velocity, so I will add it to the current velocity in order to make a new velocity
_velocity.Add(changeInVel);
}
public Ball(MyVector position, DoubleVector origDirectionFacing, double radius, double mass)
: base(position, origDirectionFacing, radius)
{
// I use the property sets to enforce the values
this.Mass = mass;
this.Elasticity = 1d;
_usesBoundingBox = false;
_boundingLower = null;
_boundingUpper = null;
}
/// <summary>
/// This function needs to be called before the timer is called. Between this function and the timer function is when all the outside
/// forces have a chance to influence the object (gravity, explosion blasts, conveyor belts, etc)
/// </summary>
/// <remarks>
/// I've given this function a bit of thought. It's really not needed, because when TimerFinish is done, that should be the equivalent
/// of a new cycle. But I like having more defined phases (even though there is an extra round of function calls to make)
/// </remarks>
public virtual void PrepareForNewTimerCycle()
{
// I can't decide whether to put this here, or the timerfinish
_savedPosition = null;
_elapsedTime = 0;
// Reset stuff
_internalForce.Multiply(0);
_externalForce.Multiply(0);
_acceleration.Multiply(0);
}
public Ball(MyVector position, DoubleVector origDirectionFacing, double radius, double mass)
: base(position, origDirectionFacing, radius)
{
// I use the property sets to enforce the values
this.Mass = mass;
this.Elasticity = 1d;
_usesBoundingBox = false;
_boundingLower = null;
_boundingUpper = null;
}
private void button2_Click(object sender, EventArgs e)
{
MyVector v1 = new MyVector(1, 0, 0);
MyVector v2 = new MyVector(0, 1, 0);
MyVector rotationAxis;
double radians;
v1.GetAngleAroundAxis(out rotationAxis, out radians, v2);
v2.GetAngleAroundAxis(out rotationAxis, out radians, v1);
}
/// <summary>
/// Every frame, angular velocity is wiped out and recalculated based on angular momentum. So this function actually
/// sets angular momentum to produce the velocity passed in.
/// </summary>
/// <remarks>
/// This function is the opposite of the calculation in ApplyTorque
/// </remarks>
public void SetAngularVelocity(MyVector angularVelocity)
{
// Figure out the world frame's inertia tensor
// (Rotation * bodyInertialTensorInverse * Transposed Rotation)
MyMatrix3 curRotation = base.RotationMatrix.Clone();
MyMatrix3 worldInertiaTensor = MyMatrix3.Multiply(MyMatrix3.Multiply(curRotation, _inertialTensorBody), MyMatrix3.Transpose(curRotation));
// Now store the angular momentum required to generate this velocity
_angularMomentum.StoreNewValues(MyMatrix3.Multiply(worldInertiaTensor, angularVelocity));
}
/// <summary>
/// This does a deep clone
/// </summary>
public static MyVector[] GetClonedArray(MyVector[] vectors)
{
MyVector[] retVal = new MyVector[vectors.Length];
for (int cntr = 0; cntr < vectors.Length; cntr++)
{
retVal[cntr] = vectors[cntr].Clone();
}
return(retVal);
}
/// <summary>
/// This function will compute the new acceleration based on the force pushing against the ball. The result will overwrite the
/// current acceleration
/// </summary>
private void TimerSprtAccel(MyVector force)
{
// Make the PartialAccel into a clone of the force passed in
MyVector partialAccel = force.Clone();
// I will divide by mass, and it will no longer be force, it will be change in accel (the property guarantees that mass
// isn't zero)
partialAccel.Divide(_mass);
// Add the partial accel to this ball's accel
_acceleration.Add(partialAccel);
}
/// <summary>
/// This constructs a unit quaternion that represents the rotation
/// </summary>
public MyQuaternion(MyVector rotationAxis, double radians)
{
double halfAngle = radians / 2d;
double sinHalfAngle = Math.Sin(halfAngle);
MyVector rotateAroundUnit = MyVector.BecomeUnitVector(rotationAxis);
// Set my values
this.X = rotateAroundUnit.X * sinHalfAngle;
this.Y = rotateAroundUnit.Y * sinHalfAngle;
this.Z = rotateAroundUnit.Z * sinHalfAngle;
this.W = Math.Cos(halfAngle);
}
private static void SplitForceIntoTranslationAndTorque(out MyVector translationForce, out MyVector torque, MyVector centerOfMass, MyVector offset, MyVector force)
{
// The offset passed in is relative to position. I need it to be relative to the center of mass
MyVector trueOffset = offset - centerOfMass;
// Torque is how much of the force is applied perpendicular to the radius
torque = MyVector.Cross(trueOffset, force);
// I'm still not convinced this is totally right, but none of the articles I've read seem to do anything
// different
translationForce = force.Clone();
}
/// <summary>
/// This constructs a unit quaternion that represents the rotation
/// </summary>
public MyQuaternion(MyVector rotationAxis, double radians)
{
double halfAngle = radians / 2d;
double sinHalfAngle = Math.Sin(halfAngle);
MyVector rotateAroundUnit = MyVector.BecomeUnitVector(rotationAxis);
// Set my values
this.X = rotateAroundUnit.X * sinHalfAngle;
this.Y = rotateAroundUnit.Y * sinHalfAngle;
this.Z = rotateAroundUnit.Z * sinHalfAngle;
this.W = Math.Cos(halfAngle);
}
/// <summary>
/// Get a random vector between boundry lower and boundry upper
/// </summary>
public static MyVector GetRandomVector(MyVector boundryLower, MyVector boundryUpper)
{
MyVector retVal = new MyVector();
Random rand = StaticRandom.GetRandomForThread();
retVal.X = boundryLower.X + (rand.NextDouble() * (boundryUpper.X - boundryLower.X));
retVal.Y = boundryLower.Y + (rand.NextDouble() * (boundryUpper.Y - boundryLower.Y));
retVal.Z = boundryLower.Z + (rand.NextDouble() * (boundryUpper.Z - boundryLower.Z));
return(retVal);
}
/// <summary>
/// This overload is used if you plan to do collisions
/// </summary>
public Ball(MyVector position, DoubleVector origDirectionFacing, double radius, double mass, double elasticity, double kineticFriction, double staticFriction, MyVector boundingBoxLower, MyVector boundingBoxUpper)
: base(position, origDirectionFacing, radius)
{
// I use the property sets to enforce the values
this.Mass = mass;
this.Elasticity = elasticity;
this.KineticFriction = kineticFriction;
this.StaticFriction = staticFriction;
_usesBoundingBox = true;
_boundingLower = boundingBoxLower;
_boundingUpper = boundingBoxUpper;
}
/// <summary>
/// This function is used to calculate the new velocity based on all the forces that occured from Prepare to Now
/// </summary>
public virtual void TimerFinish()
{
// Combine the internal and external force
MyVector force = TimerSprtCombineForce();
// Figure out the new acceleration
TimerSprtAccel(force);
// Figure out the new velocity
TimerSprtVel(_elapsedTime);
// I could set the saved position to null here, but I'll just wait until PrepareForNew is called
}
/// <summary>
/// This one is used to assist with the clone method (especially for my derived classes)
/// </summary>
/// <param name="usesBoundingBox">Just pass in what you have</param>
/// <param name="boundingBoxLower">Set this to null if bounding box is false</param>
/// <param name="boundingBoxUpper">Set this to null if bounding box is false</param>
protected Ball(MyVector position, DoubleVector origDirectionFacing, MyQuaternion rotation, double radius, double mass, double elasticity, double kineticFriction, double staticFriction, bool usesBoundingBox, MyVector boundingBoxLower, MyVector boundingBoxUpper)
: base(position, origDirectionFacing, rotation, radius)
{
// I use the property sets to enforce the values
this.Mass = mass;
this.Elasticity = elasticity;
this.KineticFriction = kineticFriction;
this.StaticFriction = staticFriction;
_usesBoundingBox = usesBoundingBox;
_boundingLower = boundingBoxLower;
_boundingUpper = boundingBoxUpper;
}
private void button1_Click(object sender, EventArgs e)
{
MyVector v1 = new MyVector(3, 4, 5);
v1.Add(1, 2, 3);
v1.BecomeUnitVector();
MyVector v2 = v1.Clone();
v2.Multiply(3);
v1.Divide(3);
}
private Ball _drawingBall = null; // ball is the lowest base class. it could also be solidball or rigidbody
//private double _diminishPercent = 1d;
#endregion
#region Constructor
public BallAdder(LargeMapViewer2D picturebox, ObjectRenderer renderer, BallProps newBallProps, SimpleMap map, MyVector boundryLower, MyVector boundryUpper, List<long> tempObjects)
{
_picturebox = picturebox;
_renderer = renderer;
_newBallProps = newBallProps;
_map = map;
_boundryLower = boundryLower;
_boundryUpper = boundryUpper;
_tempObjects = tempObjects;
_picturebox.MouseDown += new MouseEventHandler(picturebox_MouseDown);
_picturebox.MouseUp += new MouseEventHandler(picturebox_MouseUp);
_picturebox.MouseMove += new MouseEventHandler(picturebox_MouseMove);
}
private void DoGravityDown()
{
const double ACCELDOWN = .1d;
MyVector accel = new MyVector(0, ACCELDOWN * _gravityMultiplier, 0);
foreach(BallBlip blip in _map.GetAllBlips())
{
if (blip.CollisionStyle != CollisionStyle.Standard)
{
continue;
}
blip.Ball.Acceleration.Add(accel); // I do acceleration instead of force so they all fall at the same rate
}
}
public GravMouse(LargeMapViewer2D picturebox, SimpleMap map, MyVector boundryLower, MyVector boundryUpper)
{
const double RADIUS = 400;
_picturebox = picturebox;
_map = map;
_boundryLower = boundryLower;
_boundryUpper = boundryUpper;
_cursorBlip = new BallBlip(new Ball(new MyVector(), new DoubleVector(1, 0, 0, 0, 1, 0), RADIUS, UtilityCore.GetMassForRadius(RADIUS, 1d), 1, 0, 0, _boundryLower, _boundryUpper), CollisionStyle.Stationary, RadarBlipQual.BallUserDefined05, TokenGenerator.NextToken());
_picturebox.MouseDown += new MouseEventHandler(picturebox_MouseDown);
_picturebox.MouseUp += new MouseEventHandler(picturebox_MouseUp);
_picturebox.MouseMove += new MouseEventHandler(picturebox_MouseMove);
_picturebox.MouseLeave += new EventHandler(picturebox_MouseLeave);
}
/// <summary>
/// This constructor is meant to assist the clone function
/// </summary>
protected Trail(MyVector[] points, int curPtr, int startRed, int startGreen, int startBlue, int endRed, int endGreen, int endBlue)
{
// Store stuff passed in
_points = points;
_curPtr = curPtr;
_startRed = startRed;
_startGreen = startGreen;
_startBlue = startBlue;
_endRed = endRed;
_endGreen = endGreen;
_endBlue = endBlue;
// Set up the other misc stuff
_isInitialized = true;
}
public VectorField2D(VectorField2DMode fieldMode, double sizeX, double sizeY, int squaresPerSideX, int squaresPerSideY, double strength, MyVector position)
{
// I use the property sets to enforce constraints
this.FieldMode = fieldMode;
this.SizeX = sizeX;
this.SizeY = sizeY;
this.SquaresPerSideX = squaresPerSideX;
this.SquaresPerSideY = squaresPerSideY;
this.Strength = strength;
// By waiting until now to set the position, I've kept ResetField from running (called by the property sets)
_position = position;
ResetField();
}
public void FillRectangle(Brush brush, MyVector lower, MyVector upper)
{
try
{
_graphics.FillRectangle(brush,
PosWToV_X(lower.X), PosWToV_Y(lower.Y),
DistWToV(upper.X - lower.X), DistWToV(upper.Y - lower.Y));
}
catch (OverflowException)
{
// Oh well
}
}
public void FillRectangle(Color color, MyVector lower, MyVector upper)
{
using (SolidBrush brush = new SolidBrush(color))
{
FillRectangle(brush, lower, upper);
}
}
public void FillTriangle(Brush brush, MyVector point1, MyVector point2, MyVector point3)
{
try
{
PointF[] points = new PointF[3];
points[0].X = PosWToV_X(point1.X);
points[0].Y = PosWToV_Y(point1.Y);
points[1].X = PosWToV_X(point2.X);
points[1].Y = PosWToV_Y(point2.Y);
points[2].X = PosWToV_X(point3.X);
points[2].Y = PosWToV_Y(point3.Y);
_graphics.FillPolygon(brush, points);
}
catch (OverflowException)
{
// Oh well
}
}
public void FillPolygon(Brush brush1, Brush brush2, MyVector centerPoint, IMyPolygon polygon)
{
try
{
//TODO: sort the triangles by z
// Children
if (polygon.ChildPolygons != null)
{
foreach (IMyPolygon childPoly in polygon.ChildPolygons)
{
FillPolygon(brush1, brush2, centerPoint, childPoly);
}
}
// Current
if (polygon.Triangles != null)
{
Triangle[] cachedTriangles = polygon.Triangles;
for (int triangleCntr = 0; triangleCntr < cachedTriangles.Length; triangleCntr++)
{
PointF[] points = new PointF[3];
points[0].X = PosWToV_X(cachedTriangles[triangleCntr].Vertex1.X + centerPoint.X);
points[0].Y = PosWToV_Y(cachedTriangles[triangleCntr].Vertex1.Y + centerPoint.Y);
points[1].X = PosWToV_X(cachedTriangles[triangleCntr].Vertex2.X + centerPoint.X);
points[1].Y = PosWToV_Y(cachedTriangles[triangleCntr].Vertex2.Y + centerPoint.Y);
points[2].X = PosWToV_X(cachedTriangles[triangleCntr].Vertex3.X + centerPoint.X);
points[2].Y = PosWToV_Y(cachedTriangles[triangleCntr].Vertex3.Y + centerPoint.Y);
if (triangleCntr % 2 == 0)
{
_graphics.FillPolygon(brush1, points);
}
else
{
_graphics.FillPolygon(brush2, points);
}
}
}
}
catch (OverflowException)
{
// Oh well
}
}
public void FillPie(Brush brush, MyVector centerPoint, double radius, double startDegrees, double sweepDegrees)
{
try
{
float widthAndHeight = DistWToV(radius * 2d);
_graphics.FillPie(brush,
PosWToV_X(centerPoint.X - radius), PosWToV_Y(centerPoint.Y - radius),
widthAndHeight, widthAndHeight,
Convert.ToSingle(startDegrees), Convert.ToSingle(sweepDegrees));
}
catch (OverflowException)
{
// Oh well
}
}
public LargeMapViewer2D()
{
InitializeComponent();
// Default to viewing everything
_centerPoint = new MyVector();
ZoomFit();
// AutoScroll Emulator
_autoscroll = new AutoScrollEmulator();
_autoscroll.AutoScroll += new AutoScrollHandler(Autoscroll_AutoScroll);
_autoscroll.CursorChanged += new EventHandler(Autoscroll_CursorChanged);
}
public void DrawTriangle_Selected(MyVector point1, MyVector point2, MyVector point3)
{
try
{
float x1 = PosWToV_X(point1.X);
float y1 = PosWToV_Y(point1.Y);
float x2 = PosWToV_X(point2.X);
float y2 = PosWToV_Y(point2.Y);
float x3 = PosWToV_X(point3.X);
float y3 = PosWToV_Y(point3.Y);
_graphics.DrawLine(_selectionPen, x1, y1, x2, y2);
_graphics.DrawLine(_selectionPen, x2, y2, x3, y3);
_graphics.DrawLine(_selectionPen, x3, y3, x1, y1);
}
catch (OverflowException)
{
// Oh well
}
}
public void FillPie(Color color, MyVector centerPoint, double radius, MyVector centerLine, double sweepRadians)
{
using (SolidBrush brush = new SolidBrush(color))
{
FillPie(brush, centerPoint, radius, centerLine, sweepRadians);
}
}
public void FillPie(Brush brush, MyVector centerPoint, double radius, MyVector centerLine, double sweepRadians)
{
// Turn the centerline and sweep radians into angles that GDI likes
MyVector dummy = new MyVector(1, 0, 0);
double startDegrees;
dummy.GetAngleAroundAxis(out dummy, out startDegrees, centerLine);
startDegrees = Utility3D.GetRadiansToDegrees(startDegrees);
if (centerLine.Y < 0)
{
startDegrees *= -1;
}
double sweepDegrees = Utility3D.GetRadiansToDegrees(sweepRadians);
startDegrees -= sweepDegrees / 2d;
// Call my overload
FillPie(brush, centerPoint, radius, startDegrees, sweepDegrees);
}
public void DrawArc(Color penColor, double penWidth, MyVector[] points, bool closed)
{
try
{
using (Pen pen = new Pen(penColor, DistWToV(penWidth)))
{
// Transform the points to view coords
PointF[] scaledPoints = new PointF[points.Length];
for (int cntr = 0; cntr < points.Length; cntr++)
{
scaledPoints[cntr] = new PointF(PosWToV_X(points[cntr].X), PosWToV_Y(points[cntr].Y));
}
// Draw the curve
if (closed)
{
_graphics.DrawClosedCurve(pen, scaledPoints);
}
else
{
_graphics.DrawCurve(pen, scaledPoints);
}
}
}
catch (OverflowException)
{
// Oh well
}
}
public void FillPie(Color color, MyVector centerPoint, double radius, double startDegrees, double sweepDegrees)
{
using (SolidBrush brush = new SolidBrush(color))
{
FillPie(brush, centerPoint, radius, startDegrees, sweepDegrees);
}
}
public void DrawArc_Selected(MyVector[] points, bool closed)
{
try
{
// Transform the points to view coords
PointF[] scaledPoints = new PointF[points.Length];
for (int cntr = 0; cntr < points.Length; cntr++)
{
scaledPoints[cntr] = new PointF(PosWToV_X(points[cntr].X), PosWToV_Y(points[cntr].Y));
}
// Draw the curve
if (closed)
{
_graphics.DrawClosedCurve(_selectionPen, scaledPoints);
}
else
{
_graphics.DrawCurve(_selectionPen, scaledPoints);
}
}
catch (OverflowException)
{
// Oh well
}
}
public void FillPolygon(Color color1, Color color2, MyVector centerPoint, IMyPolygon polygon)
{
using (SolidBrush brush1 = new SolidBrush(color1))
{
using (SolidBrush brush2 = new SolidBrush(color2))
{
FillPolygon(brush1, brush2, centerPoint, polygon);
}
}
}
public void DrawString(string message, Font font, Brush brush, MyVector position, ContentAlignment textAlign)
{
try
{
if (textAlign == ContentAlignment.TopLeft)
{
_graphics.DrawString(message, font, brush, PosWToV_X(position.X), PosWToV_Y(position.Y));
}
else
{
SizeF textSize = _graphics.MeasureString(message, font);
float worldX = PosWToV_X(position.X);
float worldY = PosWToV_Y(position.Y);
switch (textAlign)
{
case ContentAlignment.TopCenter:
_graphics.DrawString(message, font, brush, worldX - (textSize.Width / 2f), worldY);
break;
case ContentAlignment.TopRight:
_graphics.DrawString(message, font, brush, worldX - textSize.Width, worldY);
break;
case ContentAlignment.MiddleLeft:
_graphics.DrawString(message, font, brush, worldX, worldY - (textSize.Height / 2f));
break;
case ContentAlignment.MiddleCenter:
_graphics.DrawString(message, font, brush, worldX - (textSize.Width / 2f), worldY - (textSize.Height / 2f));
break;
case ContentAlignment.MiddleRight:
_graphics.DrawString(message, font, brush, worldX - textSize.Width, worldY - (textSize.Height / 2f));
break;
case ContentAlignment.BottomLeft:
_graphics.DrawString(message, font, brush, worldX, worldY - textSize.Height);
break;
case ContentAlignment.BottomCenter:
_graphics.DrawString(message, font, brush, worldX - (textSize.Width / 2f), worldY - textSize.Height);
break;
case ContentAlignment.BottomRight:
_graphics.DrawString(message, font, brush, worldX - textSize.Width, worldY - textSize.Height);
break;
default:
// Oh well
return;
}
}
}
catch (OverflowException)
{
// Oh well
}
}
public void FillTriangle(Color color, MyVector point1, MyVector point2, MyVector point3)
{
using (SolidBrush brush = new SolidBrush(color))
{
FillTriangle(brush, point1, point2, point3);
}
}
public void FillCircle(Color color, MyVector centerPoint, double radius)
{
using (SolidBrush brush = new SolidBrush(color))
{
FillCircle(brush, centerPoint, radius);
}
}
/// <summary>
/// If the user clicks on a picture box, you need to run those coords through this function to figure out where they
/// clicked in world coords
/// </summary>
/// <param name="position">A point in PictureBox coords</param>
/// <returns>The point in World Coords</returns>
public MyVector GetPositionViewToWorld(MyVector position)
{
MyVector retVal = position.Clone();
// Figure out the world coords that the top left of the picturebox represents
double picLeft = _centerPoint.X - ((this.Width / 2d) / _zoom);
double picTop = _centerPoint.Y - ((this.Height / 2d) / _zoom);
// The point passed in is a distance from the top left of the picture box to where they clicked. Turn this view
// coords into world coords
retVal.Divide(_zoom);
// Add these world coords to the top left of the picture box
retVal.X += picLeft;
retVal.Y += picTop;
// It's now what it needs to be
return retVal;
}
public void FillCircle(Brush brush, MyVector centerPoint, double radius)
{
try
{
float widthAndHeight = DistWToV(radius * 2d);
_graphics.FillEllipse(brush,
PosWToV_X(centerPoint.X - radius), PosWToV_Y(centerPoint.Y - radius),
widthAndHeight, widthAndHeight);
}
catch (OverflowException)
{
// Oh well
}
}