getArrowPath method
Implementation
Path getArrowPath(
double arrowSize,
Offset point1,
Offset point2,
double scale,
double pointed,
) {
Offset left = point2 +
VectorUtils.normalizeVector(
VectorUtils.getPerpendicularVector(point1, point2),
) *
arrowSize *
scale -
VectorUtils.normalizeVector(
VectorUtils.getDirectionVector(point1, point2),
) *
pointed *
arrowSize *
scale;
Offset right = point2 -
VectorUtils.normalizeVector(
VectorUtils.getPerpendicularVector(point1, point2),
) *
arrowSize *
scale -
VectorUtils.normalizeVector(
VectorUtils.getDirectionVector(point1, point2),
) *
pointed *
arrowSize *
scale;
Path path = Path();
path.moveTo(point2.dx, point2.dy);
path.lineTo(left.dx, left.dy);
path.lineTo(right.dx, right.dy);
path.close();
return path;
}