Example 1 with Ray
use of org.eclipse.draw2d.geometry.Ray in project tdi-studio-se by Talend.
the class CurveConnectionRouter method route.
/**
* @see ConnectionRouter#route(Connection)
*/
public void route(Connection conn) {
if ((conn.getSourceAnchor() == null) || (conn.getTargetAnchor() == null)) {
return;
}
Point startPoint = getStartPoint(conn);
conn.translateToRelative(startPoint);
Point endPoint = getEndPoint(conn);
conn.translateToRelative(endPoint);
Ray start = new Ray(startPoint);
Ray end = new Ray(endPoint);
PointList points = new PointList();
points.addPoint(new Point(start.x, start.y));
Point p;
double w = Math.abs(start.x - end.x) * 4;
double h = Math.abs(start.y - end.y);
if (h <= 20) {
points.addPoint(new Point(end.x, end.y));
conn.setPoints(points);
return;
}
double EY = (int) (h / 2);
double EX = (int) (w / 4 / Math.PI);
int n = 400;
double h1 = 4.0 * Math.PI / n;
double x1 = -2 * Math.PI, y1 = Math.sin(x1), x2, y2;
boolean sight = false;
double dis = 0;
int beginJ = n / 8 * 3;
int endJ = n / 8 * 5;
double subTract = Math.abs(start.x - end.x) * 1.5;
if (start.y < end.y) {
subTract = Math.abs(start.x - end.x) * 0.5;
beginJ = n / 8 * 1;
endJ = n / 8 * 3;
}
for (int j = 0; j < n; j++) {
x2 = x1 + h1;
y2 = Math.sin(x2);
if (j > beginJ && j < endJ) {
double temx = (x1 * EX) + w / 2 + start.x - subTract;
double temy = (h / 2) - (EY * y1) + (h / 2);
if (!sight) {
dis = (temy - start.y);
}
p = new Point(temx, temy - dis);
points.addPoint(p);
sight = true;
} else if (j < beginJ) {
points.addPoint(new Point(start.x, start.y));
} else if (j > endJ) {
points.addPoint(new Point(end.x, end.y));
}
x1 = x2;
y1 = y2;
}
points.addPoint(new Point(end.x, end.y));
conn.setPoints(points);
}