This is needed by any renderer you might want to create. @return the contour

VIDEO STUFF

Calculates the distance between 2 points @param x0 point 1 @param y0 point 1 @param x1 point 2 @param y1 point 2 @return the distance between the poin

Ensure no overlap between moving entities within a partition. If BSP is not being used then the 'whole world' is a single partition so this method wil

Ensure no overlap between moving entities when using BSP ignoring entities that touch across partition barriers.

Compute exp(x) - 1 @param x number to compute shifted exponential @return exp(x) - 1

Used to fill a triangle shape. @param p1 @param p2 @param col

Used by the search method

Used by the search method @param node @return

Return the exponent of a double number, removing the bias. <p> For double numbers of the form 2^x, the unbiased exponent is exactly x. </p>

FOR INTERNAL USE ONLY <br> Calculates and returns an array of feelers around the vehicle that owns this steering behaviour. @return array of whisker

Load a bitmap file and return a reference to an array (size will be 1) with the image as the sole frame. @param app the PApplet object (sketch) @para

Get a list of walls that need to be tested for wall avoidance. @param m the moving entity @return a set containing the walls (maybe empty but not null

** hash for lua_Numbers */

get the default heading for this entity. @return the headingAtRest

returns true if the graph is directed

Determines whether two points are either side of this moving entity. If they are then they cannot 'see' each other. @param x0 x position of first poi

Should this entity be considered if the world is enforcing the no-overlap rule.

returns true if the bbox described by other intersects with this one

Determine whether a line intersects with a box. <br> The box is represented by the top-left and bottom-right corner coordinates. @param lx0 start of l

Sees if a line intersects with the circumference of a circle. @param x0 @param y0 @param x1 @param y1 @param cx centre of circle x position @param cy

Log in the given requests session object.

Log in the given requests session object.

move `dead' udata that need finalization to list `tmudata' */

** Look for n-th local variable at line `line' in function `func'. ** Returns NULL if not found. */

** Try to find a boundary in table `t'. A `boundary' is an integer index ** such that t[i] is non-nil and t[i+1] is nil (and 0 if t[1] is nil). */