Get the length of this vector (the norm).

@brief Calculate the matrix cofactor * @param r1 The first row to use for calculating the cofactor * @param c1 The first column to use for calculat

Calculates cross product of two points. @return float @since v2.1.4 * @js NA * @lua NA */

-------------------------------------------------------------------------

A more effect random number getter function, get from ejoy2d. */

* make sure all children go to the container */

Vector dot product.

debugging

scaleX getter

scaleY setter

replaces the current Label node with a new one */

The meaning of 'value' changes for the specific type. @verbatim Document: empty Element: name of the element Comment: the comment

This function is used to ensure that a floating point number is not a NaN or infinity.

Return the max of two cpFloats.

@brief get callback function */

@brief Return the length squared of the quaternion */