public override Point GetWaypoint()
{
// update collided point status
_me.SetStatus(_mo.X, _mo.Y, MapElementStatus.Collided);
Vector vector = new Vector(_mo.X - _posX, _mo.Y - _posY);
// opposite direction
vector.Negate();
// normalize vector (length = 1)
vector.Normalize();
// calculate distances to every border
double tLeft = (-_posX) / vector.X;
double tRight = (800 - _posX) / vector.X;
double tTop = (-_posY) / vector.Y;
double tBottom = (600 - _posY) / vector.Y;
vector *= 20;
_point.X = (int)_posX + (int)vector.X;
_point.Y = (int)_posY + (int)vector.Y;
_point.Status = MapElementStatus.Waypoint;
return _point;
}
public static Vector operator -(Vector vector)
{
Vector result = vector;
result.Negate();
return(result);
}
public void Negate ()
{
Vector v = new Vector (4, 5);
v.Negate ();
Assert.AreEqual (new Vector (-4, -5), v);
}
public void PerformOperation(object sender, RoutedEventArgs e)
{
var li = sender as RadioButton;
// Strings used to display results
string syntaxString, resultType, operationString;
switch (li?.Name)
{
//begin switch
case "rb1":
{
// Translates a Point by a Vector using the overloaded + operator.
var point1 = new Point(10, 5);
var vector1 = new System.Windows.Vector(20, 30);
var pointResult = point1 + vector1;
// pointResult is equal to (-10,-25)
// Displaying Results
syntaxString = "pointResult = point1 + vector1;";
resultType = "Point";
operationString = "Translating a Point by a Vector";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb2":
{
// Adds a Vector to a Vector using the overloaded + operator.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
// vectorResult is equal to (65,100)
var vectorResult = vector1 + vector2;
// Displaying Results
syntaxString = "vectorResult = vector1 + vector2;";
resultType = "Vector";
operationString = "Adding a Vector to a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb3":
{
// Adds a Vector to a Vector using the static Add method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var vectorResult = System.Windows.Vector.Add(vector1, vector2);
// vectorResult is equal to (65,100)
// Displaying Results
syntaxString = "vectorResult = Vector.Add(vector1, vector2);";
resultType = "Vector";
operationString = "Adding a Vector to a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb4":
{
// Translates a Point by a Vector using the static Add method.
var vector1 = new System.Windows.Vector(20, 30);
var point1 = new Point(10, 5);
var pointResult = System.Windows.Vector.Add(vector1, point1);
// vectorResult is equal to (30,35)
// Displaying Results
syntaxString = "pointResult = Vector.Add(vector1, point1);";
resultType = "Point";
operationString = "Translating a Point by a Vector";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb5":
{
// Subtracts a Vector from a Vector using the overloaded - operator.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var vectorResult = vector1 - vector2;
// vector Result is equal to (-25, -40)
// Displaying Results
syntaxString = "vectorResult = vector1 - vector2;";
resultType = "Vector";
operationString = "Subtracting a Vector from a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb6":
{
// Subtracts a Vector from a Vector using the static Subtract method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var vectorResult = System.Windows.Vector.Subtract(vector1, vector2);
// vector Result is equal to (-25, -40)
// Displaying Results
syntaxString = "Vector.Subtract(vector1, vector2);";
resultType = "Vector";
operationString = "Subtracting a Vector from a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb7":
{
// Multiplies a Vector by a Scalar using the overloaded * operator.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = vector1 * scalar1;
// vectorResult is equal to (1500,2250)
// Displaying Results
syntaxString = "vectorResult = vector1 * scalar1;";
resultType = "Vector";
operationString = "Multiplies a Vector by a Scalar";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb8":
{
// Multiplies a Scalar by a Vector using the overloaded * operator.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = scalar1 * vector1;
// vectorResult is equal to (1500,2250)
// Displaying Results
syntaxString = "vectorResult = scalar1 * vector1;";
resultType = "Vector";
operationString = "Multiplies a Scalar by a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb9":
{
// Multiplies a Vector by a Vector using the overloaded * operator.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var doubleResult = vector1 * vector2;
// doubleResult is equal to 3000
// Displaying Results
syntaxString = "doubleResult = vector1 * vector2;";
resultType = "Double";
operationString = "Multiplies a Vector by a Vector";
ShowResults(doubleResult.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb10":
{
// Multiplies a Vector by a Matrix using the overloaded * operator.
var vector1 = new System.Windows.Vector(20, 30);
var matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
var vectorResult = vector1 * matrix1;
// vector Result is equal to (2600,3100)
// Displaying Results
syntaxString = "vectorResult = vector1 * matrix1;";
resultType = "Vector";
operationString = "Multiplies a Vector by a Matrix";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb11":
{
// Multiplies a Vector by a Scalar using the static Multiply method.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = System.Windows.Vector.Multiply(vector1, scalar1);
// vectorResult is equal to (1500,2250)
// Displaying Results
syntaxString = "vectorResult = Vector.Multiply(vector1, scalar1);";
resultType = "Vector";
operationString = "Multiplies a Vector by a Scalar";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb12":
{
// Multiplies a Scalar by a Vector using the static Multiply method.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = System.Windows.Vector.Multiply(scalar1, vector1);
// vectorResult is equal to (1500,2250)
// Displaying Results
syntaxString = "vectorResult = Vector.Multiply(scalar1, vector1);";
resultType = "Vector";
operationString = "Multiplies a Scalar by a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb13":
{
// Multiplies a Vector by a Vector using the static Multiply method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var doubleResult = System.Windows.Vector.Multiply(vector1, vector2);
// doubleResult is equal to 3000
// Displaying Results
syntaxString = "DoubleResult = Vector.Multiply(vector1,vector2);";
resultType = "Double";
operationString = "Multiplies a Vector by a Vector";
ShowResults(doubleResult.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb14":
{
// Multiplies a Vector by a Matrix using the static Multiply method.
var vector1 = new System.Windows.Vector(20, 30);
var matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
var vectorResult = System.Windows.Vector.Multiply(vector1, matrix1);
// vector Result is equal to (2600,3100)
// Displaying Results
syntaxString = "vectorResult = Vector.Multiply(vector1,matrix1);";
resultType = "Vector";
operationString = "Multiplies a Vector by a Matrix";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb15":
{
// Divides a Vector by a Scalar using the overloaded / operator.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = vector1 / scalar1;
// vectorResult is approximately equal to (0.26667,0.4)
// Displaying Results
syntaxString = "vectorResult = vector1 / scalar1;";
resultType = "Vector";
operationString = "Dividing a Vector by a Scalar";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb16":
{
// Divides a Vector by a Double using the static Divide method.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = System.Windows.Vector.Divide(vector1, scalar1);
// vectorResult is approximately equal to (0.26667,0.4)
// Displaying Results
syntaxString = "vectorResult = Vector.Divide(vector1, scalar1);";
resultType = "Vector";
operationString = "Dividing a Vector by a Scalar";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb17":
{
// Gets the hashcode of a Vector structure
var vector1 = new System.Windows.Vector(20, 30);
var vectorHashCode = vector1.GetHashCode();
// Displaying Results
syntaxString = "vectorHashCode = vector1.GetHashCode();";
resultType = "int";
operationString = "Getting the hashcode of a Vector";
ShowResults(vectorHashCode.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb18":
{
// Gets the length of a Vector.
var vector1 = new System.Windows.Vector(20, 30);
var length = vector1.Length;
// length is approximately equal to 36.0555
// Displaying Results
syntaxString = "length = vector1.Length();";
resultType = "Double";
operationString = "Getting the length of a Vector";
ShowResults(length.ToString(CultureInfo.InvariantCulture), syntaxString, resultType, operationString);
break;
}
case "rb19":
{
// Gets the square of the length of a Vector.
var vector1 = new System.Windows.Vector(20, 30);
var lengthSq = vector1.LengthSquared;
// lengthSq is equal to 1300
// Displaying Results
syntaxString = "lengthSq = vector1.LengthSquared;";
resultType = "Double";
operationString = "Getting the length square of a Vector";
ShowResults(lengthSq.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb20":
{
// Normalizes a Vector using the Normalize method.
var vector1 = new System.Windows.Vector(20, 30);
vector1.Normalize();
// vector1 is approximately equal to (0.5547,0.8321)
// Displaying Results
syntaxString = "vector1.Normalize();";
resultType = "Vector";
operationString = "Normalizing a Vector";
ShowResults(vector1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb21":
{
// Calculates the angle between two Vectors using the static AngleBetween method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var angleBetween = System.Windows.Vector.AngleBetween(vector1, vector2);
// angleBetween is approximately equal to 0.9548
// Displaying Results
syntaxString = "angleBetween = Vector.AngleBetween(vector1, vector2);";
resultType = "Double";
operationString = "Calculating the angle between two Vectors";
ShowResults(angleBetween.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb22":
{
// Calculates the cross product of two Vectors using the static CrossProduct method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var crossProduct = System.Windows.Vector.CrossProduct(vector1, vector2);
// crossProduct is equal to 50
// Displaying Results
syntaxString = "crossProduct = Vector.CrossProduct(vector1,vector2);";
resultType = "Double";
operationString = "Calculating the crossproduct of two Vectors";
ShowResults(crossProduct.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb23":
{
// Calculates the determinant of two Vectors using the static Determinant method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var determinant = System.Windows.Vector.Determinant(vector1, vector2);
// determinant is equal to 50
// Displaying Results
syntaxString = "determinant = Vector.Determinant(vector1, vector2);";
resultType = "Double";
operationString = "Calculating the determinant of two Vectors";
ShowResults(determinant.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb24":
{
// Checks if two Vectors are equal using the overloaded equality operator.
// Declaring vecto1 and initializing x,y values
var vector1 = new System.Windows.Vector(20, 30);
// Declaring vector2 without initializing x,y values
var vector2 = new System.Windows.Vector
{
X = 45,
Y = 70
};
// Boolean to hold the result of the comparison
// assigning values to vector2
// Comparing Vectors for equality
var areEqual = (vector1 == vector2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = (vector1 == vector2);";
resultType = "Boolean";
operationString = "Checking if two vectors are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb25":
{
// Checks if two Vectors are equal using the static Equals method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var areEqual = System.Windows.Vector.Equals(vector1, vector2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = Vector.Equals(vector1, vector2);";
resultType = "Boolean";
operationString = "Checking if two vectors are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb26":
{
// Compares an Object and a Vector for equality using the non-static Equals method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var areEqual = vector1.Equals(vector2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = vector1.Equals(vector2);";
resultType = "Boolean";
operationString = "Checking if two vectors are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb27":
{
// Converts a string representation of a vector into a Vector structure
var vectorResult = System.Windows.Vector.Parse("1,3");
// vectorResult is equal to (1,3)
// Displaying Results
syntaxString = "vectorResult = Vector.Parse(\"1,3\");";
resultType = "Vector";
operationString = "Converting a string into a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb28":
{
// Checks if two Vectors are not equal using the overloaded inequality operator.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var areNotEqual = (vector1 != vector2);
// areNotEqual is True
// Displaying Results
syntaxString = "areNotEqual = (vector1 != vector2);";
resultType = "Boolean";
operationString = "Checking if two points are not equal";
ShowResults(areNotEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb29":
{
// Negates a Vector using the Negate method.
var vector1 = new System.Windows.Vector(20, 30);
vector1.Negate();
// vector1 is equal to (-20, -30)
// Displaying Results
syntaxString = "vector1.Negate();";
resultType = "void";
operationString = "Negating a vector";
ShowResults(vector1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb30":
{
// Negates a Vector using the overloaded unary negation operator.
var vector1 = new System.Windows.Vector(20, 30);
var vectorResult = -vector1;
// vectorResult is equal to (-20, -30)
// Displaying Results
syntaxString = "vectorResult = -vector1;";
resultType = "Vector";
operationString = "Negating a vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb31":
{
// Gets a String representation of a Vector structure
var vector1 = new System.Windows.Vector(20, 30);
var vectorString = vector1.ToString();
// vectorString is equal to 10,5
// Displaying Results
syntaxString = "vectorString = vector1.ToString();";
resultType = "String";
operationString = "Getting the string representation of a Vector";
ShowResults(vectorString, syntaxString, resultType, operationString);
break;
}
case "rb32":
{
// Explicitly converts a Vector structure into a Size structure
// Returns a Size.
var vector1 = new System.Windows.Vector(20, 30);
var size1 = (Size)vector1;
// size1 has a width of 20 and a height of 30
// Displaying Results
syntaxString = "size1 = (Size)vector1;";
resultType = "Size";
operationString = "Expliciting casting a Vector into a Size";
ShowResults(size1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb33":
{
// Explicitly converts a Vector structure into a Point structure
// Returns a Point.
var vector1 = new System.Windows.Vector(20, 30);
var point1 = (Point)vector1;
// point1 is equal to (20, 30)
// Displaying Results
syntaxString = "point1 = (Point)vector1;";
resultType = "Point";
operationString = "Expliciting casting a Vector into a Point";
ShowResults(point1.ToString(), syntaxString, resultType, operationString);
break;
}
// task example. this case statement is not referenced from the list of radio buttons
case "rb40":
{
// adds two vectors using Add and +
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
vector1 = vector1 + vector2;
// vector1 is now equal to (65, 100)
vector1 = System.Windows.Vector.Add(vector1, vector2);
// vector1 is now equal to (110, 170)
// Displaying Results
syntaxString = "vectorResult = Vector.Negate(vector1);";
resultType = "Vector";
operationString = "Negating a vector";
ShowResults(vector1.ToString(), syntaxString, resultType, operationString);
break;
}
} // end switch
}
public void PerformOperation(object sender, RoutedEventArgs e)
{
var li = sender as RadioButton;
// Strings used to display results
string syntaxString, resultType, operationString;
switch (li?.Name)
{
//begin switch
case "rb1":
{
// Translates a Point by a Vector using the overloaded + operator.
var point1 = new Point(10, 5);
var vector1 = new System.Windows.Vector(20, 30);
var pointResult = point1 + vector1;
// pointResult is equal to (-10,-25)
// Displaying Results
syntaxString = "pointResult = point1 + vector1;";
resultType = "Point";
operationString = "Translating a Point by a Vector";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb2":
{
// Adds a Vector to a Vector using the overloaded + operator.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
// vectorResult is equal to (65,100)
var vectorResult = vector1 + vector2;
// Displaying Results
syntaxString = "vectorResult = vector1 + vector2;";
resultType = "Vector";
operationString = "Adding a Vector to a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb3":
{
// Adds a Vector to a Vector using the static Add method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var vectorResult = System.Windows.Vector.Add(vector1, vector2);
// vectorResult is equal to (65,100)
// Displaying Results
syntaxString = "vectorResult = Vector.Add(vector1, vector2);";
resultType = "Vector";
operationString = "Adding a Vector to a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb4":
{
// Translates a Point by a Vector using the static Add method.
var vector1 = new System.Windows.Vector(20, 30);
var point1 = new Point(10, 5);
var pointResult = System.Windows.Vector.Add(vector1, point1);
// vectorResult is equal to (30,35)
// Displaying Results
syntaxString = "pointResult = Vector.Add(vector1, point1);";
resultType = "Point";
operationString = "Translating a Point by a Vector";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb5":
{
// Subtracts a Vector from a Vector using the overloaded - operator.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var vectorResult = vector1 - vector2;
// vector Result is equal to (-25, -40)
// Displaying Results
syntaxString = "vectorResult = vector1 - vector2;";
resultType = "Vector";
operationString = "Subtracting a Vector from a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb6":
{
// Subtracts a Vector from a Vector using the static Subtract method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var vectorResult = System.Windows.Vector.Subtract(vector1, vector2);
// vector Result is equal to (-25, -40)
// Displaying Results
syntaxString = "Vector.Subtract(vector1, vector2);";
resultType = "Vector";
operationString = "Subtracting a Vector from a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb7":
{
// Multiplies a Vector by a Scalar using the overloaded * operator.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = vector1*scalar1;
// vectorResult is equal to (1500,2250)
// Displaying Results
syntaxString = "vectorResult = vector1 * scalar1;";
resultType = "Vector";
operationString = "Multiplies a Vector by a Scalar";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb8":
{
// Multiplies a Scalar by a Vector using the overloaded * operator.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = scalar1*vector1;
// vectorResult is equal to (1500,2250)
// Displaying Results
syntaxString = "vectorResult = scalar1 * vector1;";
resultType = "Vector";
operationString = "Multiplies a Scalar by a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb9":
{
// Multiplies a Vector by a Vector using the overloaded * operator.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var doubleResult = vector1*vector2;
// doubleResult is equal to 3000
// Displaying Results
syntaxString = "doubleResult = vector1 * vector2;";
resultType = "Double";
operationString = "Multiplies a Vector by a Vector";
ShowResults(doubleResult.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb10":
{
// Multiplies a Vector by a Matrix using the overloaded * operator.
var vector1 = new System.Windows.Vector(20, 30);
var matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
var vectorResult = vector1*matrix1;
// vector Result is equal to (2600,3100)
// Displaying Results
syntaxString = "vectorResult = vector1 * matrix1;";
resultType = "Vector";
operationString = "Multiplies a Vector by a Matrix";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb11":
{
// Multiplies a Vector by a Scalar using the static Multiply method.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = System.Windows.Vector.Multiply(vector1, scalar1);
// vectorResult is equal to (1500,2250)
// Displaying Results
syntaxString = "vectorResult = Vector.Multiply(vector1, scalar1);";
resultType = "Vector";
operationString = "Multiplies a Vector by a Scalar";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb12":
{
// Multiplies a Scalar by a Vector using the static Multiply method.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = System.Windows.Vector.Multiply(scalar1, vector1);
// vectorResult is equal to (1500,2250)
// Displaying Results
syntaxString = "vectorResult = Vector.Multiply(scalar1, vector1);";
resultType = "Vector";
operationString = "Multiplies a Scalar by a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb13":
{
// Multiplies a Vector by a Vector using the static Multiply method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var doubleResult = System.Windows.Vector.Multiply(vector1, vector2);
// doubleResult is equal to 3000
// Displaying Results
syntaxString = "DoubleResult = Vector.Multiply(vector1,vector2);";
resultType = "Double";
operationString = "Multiplies a Vector by a Vector";
ShowResults(doubleResult.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb14":
{
// Multiplies a Vector by a Matrix using the static Multiply method.
var vector1 = new System.Windows.Vector(20, 30);
var matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
var vectorResult = System.Windows.Vector.Multiply(vector1, matrix1);
// vector Result is equal to (2600,3100)
// Displaying Results
syntaxString = "vectorResult = Vector.Multiply(vector1,matrix1);";
resultType = "Vector";
operationString = "Multiplies a Vector by a Matrix";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb15":
{
// Divides a Vector by a Scalar using the overloaded / operator.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = vector1/scalar1;
// vectorResult is approximately equal to (0.26667,0.4)
// Displaying Results
syntaxString = "vectorResult = vector1 / scalar1;";
resultType = "Vector";
operationString = "Dividing a Vector by a Scalar";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb16":
{
// Divides a Vector by a Double using the static Divide method.
var vector1 = new System.Windows.Vector(20, 30);
double scalar1 = 75;
var vectorResult = System.Windows.Vector.Divide(vector1, scalar1);
// vectorResult is approximately equal to (0.26667,0.4)
// Displaying Results
syntaxString = "vectorResult = Vector.Divide(vector1, scalar1);";
resultType = "Vector";
operationString = "Dividing a Vector by a Scalar";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb17":
{
// Gets the hashcode of a Vector structure
var vector1 = new System.Windows.Vector(20, 30);
var vectorHashCode = vector1.GetHashCode();
// Displaying Results
syntaxString = "vectorHashCode = vector1.GetHashCode();";
resultType = "int";
operationString = "Getting the hashcode of a Vector";
ShowResults(vectorHashCode.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb18":
{
// Gets the length of a Vector.
var vector1 = new System.Windows.Vector(20, 30);
var length = vector1.Length;
// length is approximately equal to 36.0555
// Displaying Results
syntaxString = "length = vector1.Length();";
resultType = "Double";
operationString = "Getting the length of a Vector";
ShowResults(length.ToString(CultureInfo.InvariantCulture), syntaxString, resultType, operationString);
break;
}
case "rb19":
{
// Gets the square of the length of a Vector.
var vector1 = new System.Windows.Vector(20, 30);
var lengthSq = vector1.LengthSquared;
// lengthSq is equal to 1300
// Displaying Results
syntaxString = "lengthSq = vector1.LengthSquared;";
resultType = "Double";
operationString = "Getting the length square of a Vector";
ShowResults(lengthSq.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb20":
{
// Normalizes a Vector using the Normalize method.
var vector1 = new System.Windows.Vector(20, 30);
vector1.Normalize();
// vector1 is approximately equal to (0.5547,0.8321)
// Displaying Results
syntaxString = "vector1.Normalize();";
resultType = "Vector";
operationString = "Normalizing a Vector";
ShowResults(vector1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb21":
{
// Calculates the angle between two Vectors using the static AngleBetween method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var angleBetween = System.Windows.Vector.AngleBetween(vector1, vector2);
// angleBetween is approximately equal to 0.9548
// Displaying Results
syntaxString = "angleBetween = Vector.AngleBetween(vector1, vector2);";
resultType = "Double";
operationString = "Calculating the angle between two Vectors";
ShowResults(angleBetween.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb22":
{
// Calculates the cross product of two Vectors using the static CrossProduct method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var crossProduct = System.Windows.Vector.CrossProduct(vector1, vector2);
// crossProduct is equal to 50
// Displaying Results
syntaxString = "crossProduct = Vector.CrossProduct(vector1,vector2);";
resultType = "Double";
operationString = "Calculating the crossproduct of two Vectors";
ShowResults(crossProduct.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb23":
{
// Calculates the determinant of two Vectors using the static Determinant method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var determinant = System.Windows.Vector.Determinant(vector1, vector2);
// determinant is equal to 50
// Displaying Results
syntaxString = "determinant = Vector.Determinant(vector1, vector2);";
resultType = "Double";
operationString = "Calculating the determinant of two Vectors";
ShowResults(determinant.ToString(CultureInfo.InvariantCulture), syntaxString, resultType,
operationString);
break;
}
case "rb24":
{
// Checks if two Vectors are equal using the overloaded equality operator.
// Declaring vecto1 and initializing x,y values
var vector1 = new System.Windows.Vector(20, 30);
// Declaring vector2 without initializing x,y values
var vector2 = new System.Windows.Vector
{
X = 45,
Y = 70
};
// Boolean to hold the result of the comparison
// assigning values to vector2
// Comparing Vectors for equality
var areEqual = (vector1 == vector2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = (vector1 == vector2);";
resultType = "Boolean";
operationString = "Checking if two vectors are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb25":
{
// Checks if two Vectors are equal using the static Equals method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var areEqual = System.Windows.Vector.Equals(vector1, vector2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = Vector.Equals(vector1, vector2);";
resultType = "Boolean";
operationString = "Checking if two vectors are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb26":
{
// Compares an Object and a Vector for equality using the non-static Equals method.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var areEqual = vector1.Equals(vector2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = vector1.Equals(vector2);";
resultType = "Boolean";
operationString = "Checking if two vectors are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb27":
{
// Converts a string representation of a vector into a Vector structure
var vectorResult = System.Windows.Vector.Parse("1,3");
// vectorResult is equal to (1,3)
// Displaying Results
syntaxString = "vectorResult = Vector.Parse(\"1,3\");";
resultType = "Vector";
operationString = "Converting a string into a Vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb28":
{
// Checks if two Vectors are not equal using the overloaded inequality operator.
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
var areNotEqual = (vector1 != vector2);
// areNotEqual is True
// Displaying Results
syntaxString = "areNotEqual = (vector1 != vector2);";
resultType = "Boolean";
operationString = "Checking if two points are not equal";
ShowResults(areNotEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb29":
{
// Negates a Vector using the Negate method.
var vector1 = new System.Windows.Vector(20, 30);
vector1.Negate();
// vector1 is equal to (-20, -30)
// Displaying Results
syntaxString = "vector1.Negate();";
resultType = "void";
operationString = "Negating a vector";
ShowResults(vector1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb30":
{
// Negates a Vector using the overloaded unary negation operator.
var vector1 = new System.Windows.Vector(20, 30);
var vectorResult = -vector1;
// vectorResult is equal to (-20, -30)
// Displaying Results
syntaxString = "vectorResult = -vector1;";
resultType = "Vector";
operationString = "Negating a vector";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb31":
{
// Gets a String representation of a Vector structure
var vector1 = new System.Windows.Vector(20, 30);
var vectorString = vector1.ToString();
// vectorString is equal to 10,5
// Displaying Results
syntaxString = "vectorString = vector1.ToString();";
resultType = "String";
operationString = "Getting the string representation of a Vector";
ShowResults(vectorString, syntaxString, resultType, operationString);
break;
}
case "rb32":
{
// Explicitly converts a Vector structure into a Size structure
// Returns a Size.
var vector1 = new System.Windows.Vector(20, 30);
var size1 = (Size) vector1;
// size1 has a width of 20 and a height of 30
// Displaying Results
syntaxString = "size1 = (Size)vector1;";
resultType = "Size";
operationString = "Expliciting casting a Vector into a Size";
ShowResults(size1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb33":
{
// Explicitly converts a Vector structure into a Point structure
// Returns a Point.
var vector1 = new System.Windows.Vector(20, 30);
var point1 = (Point) vector1;
// point1 is equal to (20, 30)
// Displaying Results
syntaxString = "point1 = (Point)vector1;";
resultType = "Point";
operationString = "Expliciting casting a Vector into a Point";
ShowResults(point1.ToString(), syntaxString, resultType, operationString);
break;
}
// task example. this case statement is not referenced from the list of radio buttons
case "rb40":
{
// adds two vectors using Add and +
var vector1 = new System.Windows.Vector(20, 30);
var vector2 = new System.Windows.Vector(45, 70);
vector1 = vector1 + vector2;
// vector1 is now equal to (65, 100)
vector1 = System.Windows.Vector.Add(vector1, vector2);
// vector1 is now equal to (110, 170)
// Displaying Results
syntaxString = "vectorResult = Vector.Negate(vector1);";
resultType = "Vector";
operationString = "Negating a vector";
ShowResults(vector1.ToString(), syntaxString, resultType, operationString);
break;
}
} // end switch
}
internal static Vector Negated(this Vector v)
{
var negated = new Vector(v.X, v.Y);
negated.Negate();
return negated;
}