Initialise the matrix to the identity matrix. This will erase the previous matrix element data.

---------------------------------------------------------------------------*/ init

---------------------------------------------------------------------------*/ Tinker Class Helper

See if the given point is inside a polygon defined by the vertices provided. @param verts the vertices of the shape @param x0 @param y0 @return true

See if a point is inside the rectangle defined by top-left and bottom right coordinates @param x0 top-left corner of rectangle @param y0 top-left corn

Determine if the point pX/pY is inside triangle defined by triangle ABC whose vertices are given by [ax,ay] [bx,by] [cx,cy] @return true if the point

Is wall avoidance switched on?

Is this entity visible @return the visible

Is wall avoidance switched on?

Is wander switched on?

only ANSI way to check whether a pointer points to an array */

Determine whether a line intersects with a box. <br> The box is represented by the top-left corner coordinates and the box width and height. @param lx

Find the intersection point between two infinite lines that pass through the points (v0,v1) and (v2,v3) @return a Vector2D object of the intercept or

Find the point of intersection between two lines. <br> This method uses Vector2D objects to represent the line end points. @param v0 start of line 1 @

c 调用lua c 读取lua中的全局变量

table process

** Call all GC tag methods */

** generic allocation routine. */

--------------------------------------------------------------- read --- */