Vector2D
Constructors
Vector2D(x: double, y: double)
Creates a new Vector2D from x and y coordinates
let v = new UDB.Vector2D(32, 64);
Parameters
- x: The x coordinate
- y: The y coordinate
Vector2D(v: object)
Creates a new Vector2D from a point.
let v = new UDB.Vector2D([ 32, 64 ]);
Parameters
- v: The vector to create the
Vector2Dfrom
Static methods
crossProduct(a: object, b: object)
Returns the cross product of two Vector2Ds.
Parameters
- a: First
Vector2D - b: Second
Vector2D
Return value
Cross product of the two vectors as Vector2D
dotProduct(a: Vector2D, b: Vector2D)
Returns the dot product of two Vector2Ds.
Parameters
- a: First
Vector2D - b: Second
Vector2D
Return value
The dot product of the two vectors
fromAngle(angle: double)
Creates a Vector2D from an angle in degrees,
Parameters
- angle: Angle in degrees
Return value
Vector as Vector2D
fromAngleRad(angle: double)
Creates a Vector2D from an angle in radians,
Parameters
- angle: Angle in radians
Return value
Vector as Vector2D
getAngle(a: object, b: object)
Returns the angle between two Vector2Ds in degrees.
Parameters
- a: First
Vector2D - b: Second
Vector2D
Return value
Angle in degrees
getAngleRad(a: object, b: object)
Returns the angle between two Vector2Ds in radians
Parameters
- a: First
Vector2D - b: Second
Vector2D
Return value
Angle in radians
getDistance(a: object, b: object)
Returns the distance between two Vector2Ds.
Parameters
- a: First
Vector2D - b: Second
Vector2D
Return value
The distance
getDistanceSq(a: object, b: object)
Returns the square distance between two Vector2Ds.
Parameters
- a: First
Vector2D - b: Second
Vector2D
Return value
The squared distance
reflect(v: object, m: object)
Reflects a Vector2D over a mirror Vector2D.
Parameters
- v:
Vector2Dto reflect - m: Mirror
Vector2D
Return value
The reflected vector as Vector2D
reversed(v: object)
Returns a reversed Vector2D.
Parameters
- v:
Vector2Dto reverse
Return value
The reversed vector as Vector2D
Properties
x
The x value of the vector.
y
The y value of the vector.
Methods
getAngle()
Returns the angle of the Vector2D in degree.
Return value
The angle of the Vector2D in degree
getAngleRad()
Returns the angle of the Vector2D in radians.
Return value
The angle of the Vector2D in radians
getInverseTransformed(invoffsetx: double, invoffsety: double, invscalex: double, invscaley: double)
Returns the inverse transformed vector as Vector2D.
Parameters
- invoffsetx: X offset
- invoffsety: Y offset
- invscalex: X scale
- invscaley: Y scale
Return value
The inverse transformed vector as Vector2D
getLength()
Returns the length of the Vector2D.
Return value
The length of the Vector2D
getLengthSq()
Returns the square length of the Vector2D.
Return value
The square length of the Vector2D
getNormal()
Returns the normal of the Vector2D.
Return value
The normal as Vector2D
getPerpendicular()
Returns the perpendicular to the Vector2D.
Return value
The perpendicular as Vector2D
getRotated(theta: double)
Returns the rotated vector as Vector2D.
Parameters
- theta: Angle in degree to rotate by
Return value
The rotated Vector2D
getRotatedRad(theta: double)
Returns the rotated vector as Vector2D.
Parameters
- theta: Angle in radians to rotate by
Return value
The rotated Vector2D
getSign()
Returns a Vector2D with the sign of all components.
Return value
A Vector2D with the sign of all components
getTransformed(offsetx: double, offsety: double, scalex: double, scaley: double)
Returns the transformed vector as Vector2D.
Parameters
- offsetx: X offset
- offsety: Y offset
- scalex: X scale
- scaley: Y scale
Return value
The transformed vector as Vector2D
isFinite()
Checks if the Vector2D is finite or not.
Return value
true if Vector2D is finite, otherwise false