@Override
public void renderTo(Target<?> target) {
// TODO: join ways back together to reduce the number of caps
List<VectorXYZ> wallShape =
asList(
new VectorXYZ(-width / 2, 0, 0),
new VectorXYZ(-width / 2, height, 0),
new VectorXYZ(+width / 2, height, 0),
new VectorXYZ(+width / 2, 0, 0));
List<VectorXYZ> path = line.getElevationProfile().getPointsWithEle();
List<List<VectorXYZ>> strips =
createShapeExtrusionAlong(wallShape, path, nCopies(path.size(), VectorXYZ.Y_UNIT));
for (List<VectorXYZ> strip : strips) {
target.drawTriangleStrip(material, strip, wallTexCoordLists(strip, material));
}
/* draw caps */
List<VectorXYZ> startCap =
transformShape(wallShape, path.get(0), line.getDirection().xyz(0), VectorXYZ.Y_UNIT);
List<VectorXYZ> endCap =
transformShape(
wallShape,
path.get(path.size() - 1),
line.getDirection().invert().xyz(0),
VectorXYZ.Y_UNIT);
List<List<VectorXZ>> texCoordLists = globalTexCoordLists(wallShape, material, true);
target.drawConvexPolygon(material, startCap, texCoordLists);
target.drawConvexPolygon(material, endCap, texCoordLists);
}
