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package dukeman;

import javafx.scene.transform.*;

//@author Pavel Porvatov

public def FLIP_TRANSFORM = Transform.scale(-1, 1);
public def OFFSET_TRANSFORM =
    Transform.translate(-Config.CELL_SIZE / 2, -Config.CELL_SIZE / 2);
public def BIG_OFFSET_TRANSFORM =
    Transform.translate(-Config.CELL_SIZE * 3 / 2, -Config.CELL_SIZE / 2);

def RANDOM = new java.util.Random();

// Returns random integer number from 0 to max - 1
public function random(max: Integer): Integer {
    RANDOM.nextDouble() * max as Integer;
}

// Returns sign of the value
public function sign(n: Number): Integer {
    if (n == 0) {
        return 0;
    }

    if (n > 0) {
        return 1;
    } else {
        return -1;
    }
}