Re: absolute and this
absolute is a function.
It returns the absolute value of a number.
int x=absolute(-10);
if(x==10) alert("Absolute", "Absolute worked correctly!");
"this" is a keyword which refers to the instance of a class which invokes its methods.
It is not a requirement to use "this" in bgt, but it can help distinguish class properties from method parameters.
class my_class {
int x=0;
int y=0;
int hp=100;
my_class@ target=null;
my_class(int x, int y) {
this.x=x;
this.y=y;
}
bool is_threat(my_class@ other) {
return [ a-t ](other.target)==@this;
}
void set_target(my_class@ new_target) {
@target=new_target; // It is not necessary to use 'this' here,
// If you wanted to use 'this' to do the same thing, it would look like:
// [ a-t ](this.target)=new_target;
}
bool is_ready() {
return @target!=null;
}
}
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