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  Addition using Point objects  (Read 2081 times)
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Offline westloar

Junior Devvie





« Posted 2012-04-28 11:13:54 »

My code increments a Point array using a predetermined NodeLength, I;ve searched online and can find no unclunky way of incrementing it beyond this:

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double px = Point[1].getX();
int 1x = (int) px;

double py = Point[1].getY();
int 1y = (int) py;

1x += nodeLength;
1y += nodeLength;

Point[2].setLocation(1x,1y)


There's got to be a better way than that right?
Offline jonjava
« Reply #1 - Posted 2012-04-28 11:21:47 »

Point[2].setLocation( Point[1].getX() + nodeLength, Point[1].getY() + nodeLength );

Or you could add a method to your Point class.

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Point {
   ...
   add(int x, int y) {
      this.setLocation( getX() + x, getY() + y );
   }

   set(Point p, int offset) {
      this.setLocation( p.getX() + offset, p.getY() + offset );
   }
}


Or something along those lines?

Offline westloar

Junior Devvie





« Reply #2 - Posted 2012-04-28 11:30:28 »

which was my first solution but point.getX() returns a double so you can't add an int to it
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Offline westloar

Junior Devvie





« Reply #3 - Posted 2012-04-28 11:34:10 »

SOLVED!

Point.x returns the x value as an int.

also, I'M AN IDIOT.
Offline ra4king

JGO Kernel


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« Reply #4 - Posted 2012-04-28 18:50:15 »

You seem to not be very familiar with the Java literal types and basic OO. I suggest you become more familiar with those before jumping to graphics.

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