Built-in functions

void print(Expression) – print out value of constant, variable or point field
float rand(Expression) – pick random value based on given seed
float sin(Expression)
float cos(Expression)
float tan(Expression)
float atan(Expression)
float len(Expression) – compute length of vector or amount of points in vert or selection
vector normal(Expression) – compute normalized vector
vector rotate(vector v, vector axis, float angle) – rotate given vector v around axis by angle in radians
void addPoint(selection) – adds currently processed point to given selection
void removePoint(selection) – removes currently processed point from given selection
void clear(selection) – clear whole selection