I need some help creating a class/methods to calculate and display vectors. | Together Java | Page 1

snow dagger Mar 22, 2026, 10:50 PM

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I think I'm heading in the right direction, but I'm thrashing a bit with how to write the constructor and methods.

I would like a few hints to get back on the right path.

I'm using Processing 4.5.2 Java core, and JDK 17, in IDEA CE.

I've created a class Vectorizer, which I want to take two sets of coordinates and convert them into a vector, so that I can display a line that extends past the 2nd xy point, as well as designate a point on the line that remains a constant distance away from the 1st xy point.

I've screwed up somewhere, as even though (I think) I'm passing new points to the .display method, the displayed line doesn't move.

Code to follow.

tight fjordBOT Mar 22, 2026, 10:50 PM

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<@&987246964494204979> please have a look, thanks.

snow dagger Mar 22, 2026, 10:51 PM

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class Vectorizer {
        // properties

        float startXPoint, startYPoint, thruXPoint, thruYPoint, dist, vx, vy, mag, x, y, wayPast, xExtendedPoint, yExtendedPoint;

        // constructor
        Vectorizer(float[] startPoint, float[] thruPoint, float distance) {

            startXPoint = startPoint[0];
            startYPoint = startPoint[1];
            thruXPoint = thruPoint[0];
            thruYPoint = thruPoint[1];
            wayPast = distance *2;
            vx = thruXPoint - startXPoint;
            vy = thruYPoint - startYPoint;
            mag = sqrt((vx * vx) + (vy * vy));


            vx /= mag;
            vy /= mag;
            x = (startXPoint + vx * (mag - distance));
            y = (startYPoint + vy * (mag - distance));
            xExtendedPoint = (startXPoint + vx * (mag - wayPast));
            yExtendedPoint = (startYPoint + vy * (mag - wayPast));
            // methods

        }

        void display(float[] startPoint, float[] thruPoint, float distance) {
        line(startXPoint, startYPoint, xExtendedPoint, yExtendedPoint);
        circle(x,y,3);
        }
        void update(float[] startPoint, float[] thruPoint, float distance) {

        }
    }

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sonic gazelle Mar 22, 2026, 10:59 PM

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well,
where do you return it to origin?

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you need to translate it to origin, scale the magnitude, then translate it back to position

snow dagger Mar 22, 2026, 11:02 PM

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I don't understand 'return it to origin', and I thought x, y, xExtendedPoint, yExtendedPoint were translated back to position.

sonic gazelle Mar 22, 2026, 11:04 PM

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https://en.wikipedia.org/wiki/Transformation_(function)

snow dagger Mar 22, 2026, 11:04 PM

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For edification, I don't know much about vector math, except that it's somewhat required to calculate a fixed point away from the start of a line.

sonic gazelle Mar 22, 2026, 11:05 PM

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https://en.wikipedia.org/wiki/Affine_transformation

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https://en.wikipedia.org/wiki/Geometric_transformation

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These help to understand

snow dagger Mar 22, 2026, 11:05 PM

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Again, I just want to find a point, say, 100 points away from the start of the line.

sonic gazelle Mar 22, 2026, 11:07 PM

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yes, so you just translate the vector to the plan origin 0,0
scale the vector to the magnitude needed,
then translate it back to position.

snow dagger Mar 22, 2026, 11:07 PM

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I thought I was doing that.

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    public float[] distanceFromEnd(float dist, float x0, float y0, float x1, float y1) {


        //              colorStroke(hsb);
        //
        float vx = x1 - x0;
        float vy = y1 - y0;
        float mag = sqrt((vx * vx) + (vy * vy));

        // println(mag);

        vx /= mag;
        vy /= mag;
        float x = (x0 + vx * (mag - dist));
        float y = (y0 + vy * (mag - dist));
        //     linePointList.add(new float[]{x,y});

        return new float[]{x, y};

This was the method that I used in old code that worked. Now, I'm trying to rewrite it into more OOP style code.

sonic gazelle Mar 22, 2026, 11:11 PM

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oop style would be to make a method for each part and reuse it.

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how to calculate magnitude

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how to translate the vector

snow dagger Mar 22, 2026, 11:11 PM

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Why, yes. That's what I'm having trouble with.

sonic gazelle Mar 22, 2026, 11:11 PM

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how to scale it

snow dagger Mar 22, 2026, 11:13 PM

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snow dagger ```java public float[] distanceFromEnd(float dist, float x0, float y0, float...

So, I could call this method a few different times with different 'dist' arguments to get what I want. But that's not OOP, if I understand it correctly.

sonic gazelle Mar 22, 2026, 11:15 PM

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class Vectorizer {
  Vector origin;
  Vector target;
  // constructor
  Vectorizer(Vector origin, Vector target, double distance) {
  }

  record Vector(double x, double y) {
  }
}

I would start with this.

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Then just go from there

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class Vectorizer {
  Vector origin;
  Vector target;

  // constructor
  Vectorizer(Vector origin, Vector target, double distance) {
    var v = difference(target, origin);
    v = scale(v, distance / magnitude(v));
    v = addition(origin, v);
    this.origin = origin;
    this.target = v;
  }

  Vector scale(Vector vector, double scale) {
    return new Vector(vector.x * scale, vector.y * scale);
  }

  Vector difference(Vector v1, Vector v2) {
    return new Vector(v1.x - v2.x, v1.y - v2.y);
  }

  Vector addition(Vector v1, Vector v2) {
    return new Vector(v1.x + v2.x, v1.y + v2.y);
  }

  double magnitude(Vector v) {
    return Math.sqrt(v.x * v.x + v.y * v.y);
  }


  record Vector(double x, double y) {
  }
}

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btw

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I fucked up

snow dagger Mar 22, 2026, 11:27 PM

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eh, join the club. :)

sonic gazelle Mar 22, 2026, 11:27 PM

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class Vectorizer {
  Vector origin;
  Vector target;

  // constructor
  Vectorizer(Vector origin, Vector target, double distance) {
    var v = target.difference(origin);
    v = v.scale(distance / v.magnitude());
    v = v.addition(origin);
    this.origin = origin;
    this.target = v;
  }


  record Vector(double x, double y) {
    Vector scale(double scale) {
      return new Vector(x * scale, y * scale);
    }

    Vector difference(Vector v2) {
      return new Vector(x - v2.x, y - v2.y);
    }

    Vector addition(Vector v2) {
      return new Vector(x + v2.x, y + v2.y);
    }

    double magnitude() {
      return Math.sqrt(x * x + y * y);
    }
  }
}

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Somewhere it is a choice

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what make more sense

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oop does not exist really

snow dagger Mar 22, 2026, 11:30 PM

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I gather 'origin' is the start of the vector? That'd be the point on the larger wheel.

sonic gazelle Mar 22, 2026, 11:30 PM

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yes

snow dagger Mar 22, 2026, 11:31 PM

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'target' would be the point I would like the vector to pass through? That would be the point on the smaller wheel.

sonic gazelle Mar 22, 2026, 11:31 PM

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yes

snow dagger Mar 22, 2026, 11:32 PM

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magnitude would be the distance from the origin?

sonic gazelle Mar 22, 2026, 11:33 PM

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not really, magnitude is just the length of the vector

snow dagger Mar 22, 2026, 11:33 PM

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magnitude would be the length of the vector from the origin?

sonic gazelle Mar 22, 2026, 11:34 PM

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the question does not make sense

snow dagger Mar 22, 2026, 11:36 PM

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magnitude would be a length of a vector from the origin towards the target?

sonic gazelle Mar 22, 2026, 11:38 PM

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https://en.wikipedia.org/wiki/Norm_(mathematics)

Norm (mathematics)

In mathematics, a norm is a function from a real or complex vector space to the non-negative real numbers that behaves in certain ways like the distance from the origin: it commutes with scaling, obeys a form of the triangle inequality, and zero is only at the origin. In particular, the Euclidean distance in a Euclidean space is defined by a nor...

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if you want the length between the 2 vector

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you make the difference of the 2 vector

snow dagger Mar 22, 2026, 11:39 PM

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I only have one vector.

sonic gazelle Mar 22, 2026, 11:39 PM

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and calculate the magnitude

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no, you got origin + target

snow dagger Mar 22, 2026, 11:40 PM

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can I not make a vector out of those two points, with the addition of a magnitude?

sonic gazelle Mar 22, 2026, 11:40 PM

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yes, but you would lose the origin

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That information would be lost

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so it is useless to do it, as you would then need other variable to keep it in memory

snow dagger Mar 22, 2026, 11:41 PM

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I don't understand how it would be lost, because I would have the X,Y coordinate.

sonic gazelle Mar 22, 2026, 11:41 PM

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a line must be formed of 2 points

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these 2 points are the 2 vector

snow dagger Mar 22, 2026, 11:42 PM

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FYI, I don't require vectors, if there's another way to calculate a fixed point on a line that extends from an origin past a target.

sonic gazelle Mar 22, 2026, 11:42 PM

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a vector is an imaginary line from the plan origin to the point.

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in 2d case, 0,0

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vector and point are the same

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just different way to name it

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you still need the 2 points

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so even if you named it point, you would apply the same logic on it

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it is named vector only because a math guy studied points a lot

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so he observed rule to manipulate them, and noted them down, gave them name

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peepo_shrug

snow dagger Mar 22, 2026, 11:46 PM

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Ok, I'm gonna stop you right here.

I needed help with syntax and formatting a known working formula, re-writing it into a class/method style.

I do not wish to go further down into vector math or get tangled up in semantics.

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I thought it was vector math. I thought magnitude meant length from a starting point. I might have thought wrong.

willow swift Mar 22, 2026, 11:56 PM

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snow dagger ```java class Vectorizer { // properties float startXPoint, sta...

please create a point class, it will be a lot more readable

snow dagger Mar 22, 2026, 11:57 PM

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I do not know what that means, or how to go about it.

willow swift Mar 22, 2026, 11:58 PM

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snow dagger I do not know what that means, or how to go about it.

what do you not understand?

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class Point {
  float x, y;
  // constructor, et 
}

snow dagger Mar 22, 2026, 11:59 PM

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Just that?

willow swift Mar 22, 2026, 11:59 PM

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snow dagger Just that?

and replace any x and y variables by this
same for the x and y arrays

snow dagger Mar 23, 2026, 12:02 AM

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Can you give me a hint on how to do this?

willow swift Mar 23, 2026, 12:05 AM

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this: float x0, float y0
becomes: Point p0

this: float startXPoint, float startYPoint
becomes: Point startPoint

etc

snow dagger Mar 23, 2026, 12:05 AM

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Yes, I can see how that'd be easier to read.

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I don't quite know how to implement it.

willow swift Mar 23, 2026, 12:05 AM

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also replace new float[]{x, y} by a Point too

willow swift Mar 23, 2026, 12:06 AM

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snow dagger I don't quite know how to implement it.

what do you not understand?

snow dagger Mar 23, 2026, 12:06 AM

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(did I accidentally put I was higher than novice programmer somewhere?)

willow swift Mar 23, 2026, 12:06 AM

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willow swift also replace new float[]{x, y} by a Point too

same for all other arrays
I don't want to see any float array unless really needed

willow swift Mar 23, 2026, 12:06 AM

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snow dagger (did I accidentally put I was higher than novice programmer somewhere?)

no

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well

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you seemed to understand classes so

snow dagger Mar 23, 2026, 12:07 AM

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And that my gateway to Java was Processing ?

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I made 1 class that worked the 1st time, and that seems to have been beginner's luck. :)

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and I made that class just this afternoon.

willow swift Mar 23, 2026, 12:08 AM

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class Point {
  float x, y;
  Point(float x, float y) {
    this.x = x;
    this.y = y;
  }
}

do you understand how to use this ?

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if it can help:

tight fjordBOT Mar 23, 2026, 12:09 AM

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A classic example of a simple Java class Person that has two fields String name and int age, with corresponding getter and setter methods:

public class Person {
  private String name;
  private int age;

  public Person(String name, int age) {
    this.name = name;
    this.age = age;
  }

  public String getName() {
    return name;
  }

  public int getAge() {
    return age;
  }

  public void setName(String name) {
    this.name = name;
  }

  public void setAge(int age) {
    this.age = age;
  }
}

Simple usage example:

Person person = new Person("John", 20);
System.out.println(person.getName()); // John
System.out.println(person.getAge()); // 20
person.setAge(21);
System.out.println(person.getAge()); // 21

snow dagger Mar 23, 2026, 12:09 AM

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yes, it means the thing that 'this' is.

willow swift Mar 23, 2026, 12:09 AM

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I mean

snow dagger Mar 23, 2026, 12:10 AM

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recursively.

willow swift Mar 23, 2026, 12:10 AM

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do you understand how you can use this Point class ?

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as for applying a vector, you can simply do:

float x = cos(angle) * magnitude;
float y = sin(angle) * magnitude;

@snow dagger

snow dagger Mar 23, 2026, 12:13 AM

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public class SpirographOOP extends PApplet {
    
    Point startingPoint;
    Point targetPoint;

snow dagger Mar 23, 2026, 12:15 AM

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willow swift as for applying a vector, you can simply do: ```java float x = cos(angle) * mag...

instead of #1485410327607771326 message this stuff?

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Oh, angle.

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right. I have two points, not the angle.

willow swift Mar 23, 2026, 12:17 AM

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snow dagger right. I have two points, not the angle.

wait what are you trying to do ?
I don't understand

snow dagger Mar 23, 2026, 12:17 AM

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In Logo, or turtle graphics, I would just set my position to the starting point, set heading towards [target point], then fwd magnitude

willow swift Mar 23, 2026, 12:18 AM

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willow swift as for applying a vector, you can simply do: ```java float x = cos(angle) * mag...

that is what this is ?

snow dagger Mar 23, 2026, 12:19 AM

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Logo? it's an ancient language that was used to draw lines and do recursive stuff.

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like, 1960s.

willow swift Mar 23, 2026, 12:21 AM

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Point forward(Point start, Vector vector) {
  float x = start.x + cos(vector.angle) * vector.magnitude;
  float y = start.y + sin(vector.angle) * vector.magnitude;
  return new Point(x, y);
}

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something like that

snow dagger Mar 23, 2026, 12:21 AM

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What I am trying to do, is program the movements of this device.

willow swift Mar 23, 2026, 12:23 AM

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willow swift ```java Point forward(Point start, Vector vector) { float x = start.x + cos(ve...

@snow dagger is this what you want ?

snow dagger Mar 23, 2026, 12:24 AM

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willow swift ```java Point forward(Point start, Vector vector) { float x = start.x + cos(ve...

Ok, but I do not have an angle to work with; just two points.

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also, while we're on the Points class, lets work on getting me up to speed on that.

willow swift Mar 23, 2026, 12:28 AM

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snow dagger Ok, but I do not have an angle to work with; just two points.

to get an angle from 2 points, you can use atan2

float angle = atan2(p2.y - p1.y, p2.x - p1.x);

as for magnitude, use Pythagoras, which I think you already use

snow dagger Mar 23, 2026, 12:28 AM

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how would I get it to accept a float[]?

willow swift Mar 23, 2026, 12:28 AM

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snow dagger how would I get it to accept a `float[]`?

what does it contain?

snow dagger Mar 23, 2026, 12:29 AM

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[0] has X, [1] has Y.

willow swift Mar 23, 2026, 12:29 AM

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snow dagger [0] has X, [1] has Y.

replace it entirely by Point

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new float[]{x, y} becomes new Point(x, y)

snow dagger Mar 23, 2026, 12:32 AM

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  static public float[] hypotrochoid(float degreeAngle,
                                           float ringSize,
                                           float rotorSize,
                                           float rotorPivotDistance) {
            float[] hypotrochoid = new float[4];

            float pivotXPosition,
                    pivotYPosition,
                    rotorXPosition,
                    rotorYPosition;


            pivotXPosition = ((ringSize - rotorSize) * cos(radians(degreeAngle))) + (rotorPivotDistance * cos(radians(((ringSize - rotorSize) / rotorSize) * degreeAngle)));
            pivotYPosition = ((ringSize - rotorSize) * sin(radians(degreeAngle))) - (rotorPivotDistance * sin(radians(((ringSize - rotorSize) / rotorSize) * degreeAngle)));

            rotorXPosition = ((ringSize - rotorSize) * cos(radians(degreeAngle)));
            rotorYPosition = ((ringSize - rotorSize) * sin(radians(degreeAngle)));

            hypotrochoid[0] = rotorXPosition;
            hypotrochoid[1] = rotorYPosition;
            hypotrochoid[2] = pivotXPosition;
            hypotrochoid[3] = pivotYPosition;


            return hypotrochoid;
        }

willow swift Mar 23, 2026, 12:33 AM

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replace float[4] by Point[2]

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instead of 4 indexes with x1, y1, x2, y2
you have p1, p2

snow dagger Mar 23, 2026, 12:37 AM

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 static public Point[] hypotrochoid(float degreeAngle,
                                           float ringSize,
                                           float rotorSize,
                                           float rotorPivotDistance) {
            ///float[] hypotrochoid = new float[4];
            Point[] hypotrochoid = new Point[2];
            float pivotXPosition,
                    pivotYPosition,
                    rotorXPosition,
                    rotorYPosition;

Like this?

willow swift Mar 23, 2026, 12:37 AM

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yes

snow dagger Mar 23, 2026, 12:38 AM

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ok, let me fix what broke when I did that... (or is there a shortcut I can use in IntelliJ?

willow swift Mar 23, 2026, 12:38 AM

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not for this kind of stuff

snow dagger Mar 23, 2026, 12:38 AM

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'k. it'll take me a few moments.

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ping you when I'm done?

willow swift Mar 23, 2026, 12:40 AM

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snow dagger ping you when I'm done?

I'm going to sleep in 1h

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just so you know

snow dagger Mar 23, 2026, 12:42 AM

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The Processing methods don't like Point too much.

willow swift Mar 23, 2026, 12:42 AM

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snow dagger The Processing methods don't like Point too much.

you have to use p.x, p.y here yes

snow dagger Mar 23, 2026, 12:42 AM

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ty

willow swift Mar 23, 2026, 12:43 AM

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but yea please mention me if you have a question

snow dagger Mar 23, 2026, 12:55 AM

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             hypotrochoid[0].x = rotorXPosition;
             hypotrochoid[0].y = rotorYPosition;
             hypotrochoid[1].x = pivotXPosition;
             hypotrochoid[1].y = pivotYPosition;


            return hypotrochoid;

Is this how I return a Point?

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@willow swift

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Point[] returnXY() {
            Point[] gears = hypotrochoid(ringRotorAngle, ringSize, rotorSize, rotorPivotPoint);
            return new Point[]{gears};

That's giving me trouble.

willow swift Mar 23, 2026, 1:00 AM

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snow dagger ```java hypotrochoid[0].x = rotorXPosition; hypotrocho...

yes

willow swift Mar 23, 2026, 1:00 AM

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snow dagger ```java Point[] returnXY() { Point[] gears = hypotrochoid(ringRotorA...

return gears;
you already have a Point[]

snow dagger Mar 23, 2026, 1:07 AM

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  startingPoint =  Point(test1.returnPoint);

Last error.

willow swift Mar 23, 2026, 1:07 AM

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snow dagger ```java startingPoint = Point(test1.returnPoint); ``` Last error.

what's test1 ?

snow dagger Mar 23, 2026, 1:08 AM

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test1 is a hypotrochoid.

willow swift Mar 23, 2026, 1:08 AM

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Point without new ?

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what is returnPoint ?

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startingPoint = test1.returnPoint ?

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@snow dagger

snow dagger Mar 23, 2026, 1:10 AM

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   Point[] returnPoint() {
            Point[] gears;
            gears = hypotrochoid(ringRotorAngle, ringSize, rotorSize, rotorPivotPoint);
            //   return new Point[]{gears[1]};
            return gears;
        }

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  test1 = new HypotrocoidGear(75, 0, false);

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Ok, it's getting late for me too. I commented out the error, and now I'm getting a runtime error

java.lang.NullPointerException: Cannot assign field "x" because "hypotrochoid[0]" is null
at SpirographOOP$HypotrocoidGear.hypotrochoid(SpirographOOP.java:190)

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I'll review the code tomorrow, and see why it's null.

willow swift Mar 23, 2026, 1:17 AM

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snow dagger Ok, it's getting late for me too. I commented out the error, and now I'm getti...

oh yea you need to assign a point

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create the array last line

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and do new point

snow dagger Mar 23, 2026, 1:19 AM

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 static public Point[] hypotrochoid(float degreeAngle,
                                           float ringSize,
                                           float rotorSize,
                                           float rotorPivotDistance) {
            ///float[] hypotrochoid = new float[4];
            Point[] hypotrochoid = new Point[2];
            float pivotXPosition,
                    pivotYPosition,
                    rotorXPosition,
                    rotorYPosition;


            pivotXPosition = ((ringSize - rotorSize) * cos(radians(degreeAngle))) + (rotorPivotDistance * cos(radians(((ringSize - rotorSize) / rotorSize) * degreeAngle)));
            pivotYPosition = ((ringSize - rotorSize) * sin(radians(degreeAngle))) - (rotorPivotDistance * sin(radians(((ringSize - rotorSize) / rotorSize) * degreeAngle)));

            rotorXPosition = ((ringSize - rotorSize) * cos(radians(degreeAngle)));
            rotorYPosition = ((ringSize - rotorSize) * sin(radians(degreeAngle)));

            hypotrochoid[0].x = rotorXPosition;
            hypotrochoid[0].y = rotorYPosition;
            hypotrochoid[1].x = pivotXPosition;
            hypotrochoid[1].y = pivotYPosition;


            return hypotrochoid;
        }

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do what now?

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hypotrochoid[0] = {rotorXPosition, rotorYPosition};

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Shall we revisit this tomorrow?

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Yeah, I'm outta here for the night. Thanks for all your help, both of you.

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I'll rewrite that method entirely for the Point class.

willow swift Mar 23, 2026, 8:24 AM

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snow dagger ```java static public Point[] hypotrochoid(float degreeAngle, ...

 static public Point[] hypotrochoid(float degreeAngle,
                                           float ringSize,
                                           float rotorSize,
                                           float rotorPivotDistance) {

            float pivotXPosition = ((ringSize - rotorSize) * cos(radians(degreeAngle))) + (rotorPivotDistance * cos(radians(((ringSize - rotorSize) / rotorSize) * degreeAngle)));
            float pivotYPosition = ((ringSize - rotorSize) * sin(radians(degreeAngle))) - (rotorPivotDistance * sin(radians(((ringSize - rotorSize) / rotorSize) * degreeAngle)));

            float rotorXPosition = ((ringSize - rotorSize) * cos(radians(degreeAngle)));
            float rotorYPosition = ((ringSize - rotorSize) * sin(radians(degreeAngle)));

            return new Point[]{ new Point(rotorXPosition, rotorYPosition), new Point(pivotXPosition, pivotYPosition) };
        }

snow dagger Mar 23, 2026, 12:29 PM

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Thank you; I see what you did there, and now it's running again.

I'll convert the rest of my code to use Point throughout the day.

snow dagger Mar 23, 2026, 12:45 PM

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As I looked up how to best write helper methods for Processing's circle() and line() methods, Gemini mentioned the Processing class PVector, which has vector math built in.

I try not to vibe-code, but occasionally Gemini spits out something useful.

willow swift Mar 23, 2026, 2:03 PM

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snow dagger As I looked up how to best write helper methods for Processing's circle() and li...

Ah indeed

snow dagger Mar 23, 2026, 7:34 PM

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OK, I'm almost there. Using my old method, with X and Ys, I'm able to get a point at a constant distance from one end of the line. (the black dot, in this animation)...

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I would like to convert that old method to use PVector, but I'm not sure what that method is actually doing.

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Well, I have the method returning a PVector, but it's still taking two sets of Xs and Ys.

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The method:

    public PVector distanceFromEnd(float dist, float x0, float y0, float x1, float y1) {

        float vx = x1 - x0;
        float vy = y1 - y0;
        float mag = sqrt((vx * vx) + (vy * vy));

        vx /= mag;
        vy /= mag;
        float x = (x0 + vx * (mag - dist));
        float y = (y0 + vy * (mag - dist));

        return new PVector(x,y);
    }

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and here's the abomination that calls the method:

 vCircle(distanceFromEnd(25, gear2.getPivot().x, gear2.getPivot().y,gear1.getPivot().x, gear1.getPivot().y ), 2);

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so it looks like it's subtracting the 2nd PVector from the 1st, and something else?

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These are the methods available with the PVector class. I looked through most of them, and read the PVector supplementary documentation...

oblique moat Mar 23, 2026, 8:50 PM

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snow dagger The method: ```java public PVector distanceFromEnd(float dist, float x0, fl...

This is getting the hypotenuse of the triangle formed by the two points. Then it's scaled for the distance along that hypotenuse line (black dot) that you want.

Math.hypot does the same calc but may (or may not) offer a performance improvement.

willow swift Mar 23, 2026, 9:00 PM

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willow swift to get an angle from 2 points, you can use atan2 ```java float angle = atan2(p2....

@snow dagger

snow dagger Mar 23, 2026, 9:02 PM

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Atan2...

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Is my method reasonable, then? I can clean it up for the PVector stuff.

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There, down to a nice:
vCircle(distanceFromEnd(gear2.getPivot(), gear1.getPivot(), 30), 3);

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Thank you for all your help!

tight fjordBOT Mar 23, 2026, 9:17 PM

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Closed the thread.

snow dagger Mar 24, 2026, 12:00 AM

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Here's some initial output from the code I was working on. I'll add some colour later, and animate some changing params.

Thanks again for the help!

#I need some help creating a class/methods to calculate and display vectors.