Get a copy (new object) of this vector. @return a perpendicular vector

Get the largest whole number smaller than x. @param x number from which floor is requested @return a double number f such that f is an integer f <= x

Get the current position. @return current position

Sine function. @param x a number @return sin(x)

Multiply the vector by a scalar @param d

Cosine function @param x a number @return cos(x)

Compute split[0], split[1] such that their sum is equal to d, and split[0] has its 30 least significant bits as zero. @param d number to split @param

Compute the square root of a number. <p><b>Note:</b> this implementation currently delegates to {@link Math#sqrt} @param a number on which evaluation

Add a vector to this one @param v the vector to add

Compute the maximum of two values @param a first value @param b second value @return b if a is lesser or equal to b, a otherwise

Get the closest long to x. @param x number from which closest long is requested @return closest long to x

Compute the minimum of two values @param a first value @param b second value @return a if a is lesser or equal to b, b otherwise

Return the Domain as a String

return true if we are at the end of the edge list

This method must <b>only</b> be used before the main program starts. If it is called during a world update then the program is likely to crash, in thi

to get the max item the first element is exchanged with the lowest in the heap and then the heap is reordered from the top down.

Set the border colour

Natural logarithm. @param x a double @return log(x)

Set the centre colour

Translate the matrix by the amount specified in x and y. @param x x-translation value @param y y-translation value

Get the coordinates as an array.

Create a random normalised vector. @param target the vector to randomise, create a vector if null @return the randomised vector

Power function. Compute x^y. @param x a double @param y a double @return double

Resize the world due to changes in magnification so that the image is centred in the display area. @param scale the level of magnification (must be >

Set the current position for this entity. @param x world x position @param y world y position

Absolute value. @param x number from which absolute value is requested @return abs(x)

Two arguments arctangent function @param y ordinate @param x abscissa @return phase angle of point (x,y) between {@code -PI} and {@code PI}

Get the force recorder if this vehicle has one. This is used by the World class when displaying all force logs @return the force logger or null if it

Remove an entity from the world. <br> @param entity the entity to use

This method is used by the PRIORITISED force calculation method. <br> For each active behaviour in turn it calculates how much of the maximum steering

Get the vector length

Normalise this vector

returns the number of active + inactive nodes present in the graph

Rotate the matrix. @param rot angle in radians.

Tangent function @param x a number @return tan(x)

Get the node ID @return the id

compares two real numbers. Returns true if they are equal

returns true if the graph contains no nodes

Get the bounding radius for this object. @return the collision radius

Divide the vector by a scalar @param d