// Normalize the vector, return the new vector
public Vector2D Normalize()
{
Vector2D newVector = new Vector2D(Math.Round(X / getMagnitude(),3), Math.Round(Y / getMagnitude(),3));
return newVector;
}
static void Main(string[] args)
{
// Create object of vector2d class and set x and y values
//Vector2D vector = new Vector2D(2, -5);
//Vector2D vector = new Vector2D(3, 1);
//Vector2D vector2 = new Vector2D(-3, -4);
Vector2D vector = new Vector2D(1.6,3.7);
Vector2D vector2 = new Vector2D(-2.2,2.4);
//Vector2D vector = new Vector2D(-3, 4);
// Negating X and Y
//vector.negateX();
//vector.negateY();
//Console.WriteLine("Negate X: {0}\nNegate Y: {1}", vector.X, vector.Y);
// Add parameter provided vector to existing vector (vector addition)
//vector.addVector(4, 5);
//Console.WriteLine("Vector addition: vector + [4, 5] = [{0}, {1}]", vector.X, vector.Y);
// Subtract vector parameter provided vector from existing vector
//vector.subtractVector(3, 8);
//Console.WriteLine("Vector subtraction: vector - [3, 8] = [{0}, {1}]", vector.X, vector.Y);
// Multiply vector by paremeter provided scalar
//vector.scalarMultiplication(7);
//Console.WriteLine("Scalar Multiplication: vector * 7 = [{0}, {1}]",vector.X, vector.Y);
// Get magnitude of vector
//Console.WriteLine("Magnitude of vector vector is {0}", vector.getMagnitude());
// Get angle of vector in degrees
//Console.WriteLine("Angle of vector vector is {0}", vector.getAngleInDegrees());
// Normalize
//Console.WriteLine("Vector normalized is [{0}, {1}]", vector.Normalize().X, vector.Normalize().Y);
// Get dot product of vector and vector2
//Console.WriteLine("Dot product of vector and vector2 is {0}", vector.GetDotProduct(vector2));
// Get angle between vectors
Console.WriteLine("Angle between vector and vector2 is {0} degrees", vector.GetAngleBetweenVector(vector2));
// Lerp
//Console.WriteLine("Returned vector of lerp 0.7 between vector and vector is: [{0}, {1}]", vector.Lerp(vector2, 0.7).X, vector.Lerp(vector2, 0.7).Y);
//Console.WriteLine(vector.RotateVector(20).X + " ;;;;;;; " + vector.RotateVector(20).Y);
//Console.WriteLine("Vector rotated 60 degrees is: [{0}, {1}]", Math.Round((vector.RotateVector(60).X),3), Math.Round((vector.RotateVector(60).Y),3));
Console.ReadLine();
}
// Lerp between two vectors
public Vector2D Lerp(Vector2D otherVector, double t)
{
// multiply vector a by 1-t
X *= (1 - t);
Y *= (1 - t);
// multiply vector b by t
otherVector.X *= t;
otherVector.Y *= t;
Vector2D newVector = new Vector2D((X + otherVector.X),(Y + otherVector.Y));
return newVector;
}
// Get the dot product of two vectors
public double GetDotProduct(Vector2D otherVector)
{
return ((X * otherVector.X) + (Y * otherVector.Y));
}
// Get the angle between two vectors
public double GetAngleBetweenVector(Vector2D otherVector)
{
// return the angle (in degrees)
return RadiansToDegrees(Math.Acos(GetDotProduct(otherVector) / (getMagnitude() * otherVector.getMagnitude())));
}
// Rotate vector by given angle in degrees
public Vector2D RotateVector(double angle)
{
Vector2D newVector = new Vector2D();
// Make sure to convert given to an angle in degrees
newVector.X = (Math.Cos(angle) - Y * Math.Sin(angle) * (180 / Math.PI));
newVector.Y = (Math.Sin(angle) + Y * Math.Cos(angle) * (180 / Math.PI));
return newVector;
}
