Cynopolis/SLAM-Sim
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Got rid of the distance variable in Line. now just using direction's length.

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This commit is contained in:
Quinn
2023-04-06 17:15:43 -05:00
parent 1f46ab4eab
commit aa012e660b
1 changed files with 5 additions and 13 deletions
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18
src/Line.java
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@@ -7,18 +7,10 @@ import static processing.core.PApplet.*;
public class Line{ public class Line{
private Vector direction = new Vector(0,0); private Vector direction = new Vector(0,0);
private Vector position = new Vector(0,0); private Vector position = new Vector(0,0);
private float length = 0;
Line(Vector startPosition, Vector endPosition){ Line(Vector startPosition, Vector endPosition){
direction = endPosition.sub(startPosition); direction = endPosition.sub(startPosition);
position = startPosition; position = startPosition;
length = direction.mag();
direction = direction.normalize();
}
Line(Vector direction, Vector position, float lineLength){
this.direction = direction.normalize();
this.position = position;
this.length = lineLength;
} }
/** /**
@@ -40,7 +32,7 @@ public class Line{
// this section calculates the direction vector of the line of best fit // this section calculates the direction vector of the line of best fit
Vector direction = new Vector(); Vector direction = new Vector();
float length = 1;
// get the rise and run of the line of best fit // get the rise and run of the line of best fit
for(Vector point : points){ for(Vector point : points){
direction.y += (point.x - mean.x)*(point.y - mean.y); // rise direction.y += (point.x - mean.x)*(point.y - mean.y); // rise
@@ -48,8 +40,8 @@ public class Line{
// find the point that's furthest from the mean and use it to set the line length. // find the point that's furthest from the mean and use it to set the line length.
float dist = abs(point.sub(mean).mag()); float dist = abs(point.sub(mean).mag());
if(dist > this.length){ if(dist > length){
this.length = 2*dist; length = 2*dist;
} }
} }
@@ -78,11 +70,11 @@ public class Line{
} }
public float getLength(){ public float getLength(){
return length; return direction.mag();
} }
public void draw(PApplet screen){ public void draw(PApplet screen){
Vector endPoint = this.position.add(this.direction.mul(this.length)); Vector endPoint = this.position.add(this.direction);
screen.line(position.x, position.y, endPoint.x, endPoint.y); screen.line(position.x, position.y, endPoint.x, endPoint.y);
} }