Example 1 with Triplet
use of org.graphstream.ui.javafx.renderer.Skeleton.Triplet in project gs-ui-javafx by graphstream.
the class SpriteFlowShape method make.
private void make(GraphicsContext graphics2d, DefaultCamera2D camera, double shx, double shy) {
// we only need to compute the perpendicular vector once, hence this code.
if (connectorSkel != null) {
if (connectorSkel.isCurve()) {
Point3 P0 = connectorSkel.apply(0);
if (reverse)
P0 = connectorSkel.apply(3);
Point3 P1 = connectorSkel.apply(1);
if (reverse)
P1 = connectorSkel.apply(2);
Point3 P2 = connectorSkel.apply(2);
if (reverse)
P2 = connectorSkel.apply(1);
Point3 P3 = connectorSkel.apply(3);
if (reverse)
P3 = connectorSkel.apply(0);
double inc = 0.01;
double t = 0.0;
Vector2 dir = new Vector2(P3.x - P0.x, P3.y - P0.y);
Vector2 per = new Vector2(dir.y() + shx, -dir.x() + shy);
per.normalize();
per.scalarMult(offset);
theShape = new Path2D((int) (along / inc) + 3, false);
theShape.moveTo(P0.x + per.x(), P0.y + per.y());
while (t <= along) {
theShape.lineTo(CubicCurve.eval(P0.x + per.x(), P1.x + per.x(), P2.x + per.x(), P3.x + per.x(), t), CubicCurve.eval(P0.y + per.y(), P1.y + per.y(), P2.y + per.y(), P3.y + per.y(), t));
t += inc;
}
} else if (connectorSkel.isPoly()) {
Point3 P0 = connectorSkel.from();
if (reverse)
P0 = connectorSkel.to();
Point3 P1 = connectorSkel.to();
if (reverse)
P1 = connectorSkel.from();
double a = along;
if (reverse)
a = 1 - along;
Triplet<Integer, Double, Double> triplet = connectorSkel.wichSegment(a);
int i = triplet.i;
double sum = triplet.sum;
double ps = triplet.ps;
Vector2 dir = new Vector2(P1.x - P0.x, P1.y - P0.y);
Vector2 per = new Vector2(dir.y() + shx, -dir.x() + shy);
per.normalize();
per.scalarMult(offset);
theShape = new Path2D(i + 3, false);
if (reverse) {
int n = connectorSkel.size();
sum = connectorSkel.length() - sum;
ps = 1 - ps;
theShape.moveTo(P1.x + per.x(), P1.y + per.y());
for (int j = n - 2; j < i; j--) {
theShape.lineTo(connectorSkel.apply(j).x + per.x(), connectorSkel.apply(j).y + per.y());
}
Point3 PX = connectorSkel.pointOnShape(along);
theShape.lineTo(PX.x + per.x(), PX.y + per.y());
} else {
theShape.moveTo(P0.x + per.x(), P0.y + per.y());
for (int j = 1; j <= i; j++) {
theShape.lineTo(connectorSkel.apply(j).x + per.x(), connectorSkel.apply(j).y + per.y());
}
Point3 PX = connectorSkel.pointOnShape(along);
theShape.lineTo(PX.x + per.x(), PX.y + per.y());
}
} else {
Point3 P0 = connectorSkel.from();
if (reverse)
P0 = connectorSkel.to();
Point3 P1 = connectorSkel.to();
if (reverse)
P1 = connectorSkel.from();
Vector2 dir = new Vector2(P1.x - P0.x, P1.y - P0.y);
Vector2 per = new Vector2(dir.y() + shx, -dir.x() + shy);
per.normalize();
per.scalarMult(offset);
dir.scalarMult(along);
theShape = new Path2D(5, false);
theShape.moveTo(P0.x + per.x(), P0.y + per.y());
theShape.lineTo(P0.x + dir.x() + per.x(), P0.y + dir.y() + per.y());
}
}
// if( connectorSkel != null ) {
// var P0 = if( reverse ) connectorSkel.to else connectorSkel.from
// var P3 = if( reverse ) connectorSkel.from else connectorSkel.to
// val dir = Vector2( P3.x-P0.x, P3.y-P0.y )
// val per = Vector2( dir.y + shx, -dir.x + shy )
//
// per.normalize
// per.scalarMult( offset )
// theShape.reset
// theShape.moveTo( P0.x + per.x, P0.y + per.y )
//
// if( connectorSkel.isCurve ) {
// val P1 = if( reverse ) connectorSkel(2) else connectorSkel(1)
// val P2 = if( reverse ) connectorSkel(1) else connectorSkel(2)
// val inc = 0.01f
// var t = 0f
//
// while( t <= along ) {
// theShape.lineTo(
// CubicCurve.eval( P0.x + per.x, P1.x + per.x, P2.x + per.x, P3.x + per.x, t ),
// CubicCurve.eval( P0.y + per.y, P1.y + per.y, P2.y + per.y, P3.y + per.y, t )
// )
//
// t += inc
// }
// } else {
// val dir = Vector2( P3.x-P0.x, P3.y-P0.y )
// dir.scalarMult( along )
// theShape.lineTo( P0.x + dir.x + per.x, P0.y + dir.y + per.y )
// }
// }
}