private void init(double firingRadius, double templateWidth) {
double x0 = templateWidth / 2.0;
double y0 = -templateWidth / 2.0;
double x5 = templateWidth / 2.0;
double y5 = templateWidth / 2.0;
double x1 = x0 + firingRadius * Math.cos(45.0 / 180.0 * Math.PI);
double y1 = y0 - firingRadius * Math.sin(45.0 / 180.0 * Math.PI);
double x2 = x0 + firingRadius;
double y2 = y0;
double x3 = x5 + firingRadius;
double y3 = y5;
double x4 = x5 + firingRadius * Math.cos(45.0 / 180.0 * Math.PI);
double y4 = y5 + firingRadius * Math.sin(45.0 / 180.0 * Math.PI);
this.getElements().add(new MoveTo(x0, y0));
this.getElements().add(new LineTo(x1, y1));
this.getElements().add(new ArcTo(firingRadius, firingRadius, 45, x2, y2, false, true));
this.getElements().add(new LineTo(x3, y3));
this.getElements().add(new ArcTo(firingRadius, firingRadius, 45, x4, y4, false, true));
this.getElements().add(new LineTo(x5, y5));
this.getElements().add(new LineTo(x0, y0));
this.setFill(Color.rgb(255, 0, 0, 0.35));
this.setStroke(Color.rgb(255, 0, 0, 0.5));
this.setFillRule(FillRule.NON_ZERO);
}
public double[] rotationCoordinates(double[] old, double angle) {
return new double[] {
(old[0] * Math.cos(Math.toRadians(angle)) - old[1] * Math.sin(Math.toRadians(angle))),
(old[0] * Math.sin(Math.toRadians(angle)) + old[1] * Math.cos(Math.toRadians(angle)))
};
}