private void updateOutline(Renderer renderer, Coords[] vertices, int length) {
PlotterBrush brush = renderer.getGeometryManager().getBrush();
brush.start(getReusableGeometryIndex());
brush.setThickness(getGeoElement().getLineThickness(), (float) getView3D().getScale());
for (int i = 0; i < length - 1; i++) {
brush.setAffineTexture(0.5f, 0.25f);
brush.segment(vertices[i], vertices[i + 1]);
}
brush.setAffineTexture(0.5f, 0.25f);
brush.segment(vertices[length - 1], vertices[0]);
setGeometryIndex(brush.end());
}
/**
* update the geometry
*
* @return true
*/
protected boolean updateGeometry() {
Renderer renderer = getView3D().getRenderer();
GeoPlane3D geo = (GeoPlane3D) getGeoElement();
CoordSys coordsys = geo.getCoordSys();
float xmin1 = (float) geo.getXmin(), xmax1 = (float) geo.getXmax(), xdelta1 = xmax1 - xmin1;
float ymin1 = (float) geo.getYmin(), ymax1 = (float) geo.getYmax(), ydelta1 = ymax1 - ymin1;
// plane
PlotterSurface surface = renderer.getGeometryManager().getSurface();
surface.start(geo, getReusableSurfaceIndex());
surface.setU(xmin1, xmax1);
surface.setNbU(2);
surface.setV(ymin1, ymax1);
surface.setNbV(2);
if (!getView3D().useClippingCube()) {
float fading;
fading = xdelta1 * geo.getFading();
surface.setUFading(fading, fading);
fading = ydelta1 * geo.getFading();
surface.setVFading(fading, fading);
}
surface.draw();
setSurfaceIndex(surface.end());
// grid
if (isGridVisible()) {
PlotterBrush brush = renderer.getGeometryManager().getBrush();
if (hasTrace()) {
brush.start(-1);
} else {
brush.start(gridIndex);
}
removeGeometryIndex(gridIndex);
float thickness =
brush.setThickness(getGeoElement().getLineThickness(), (float) getView3D().getScale());
brush.setColor(getGeoElement().getObjectColor());
double dx = geo.getGridXd();
geo.getGridYd();
double dy;
if (Double.isNaN(dx)) {
dx = getView3D().getNumbersDistance();
dy = dx;
} else {
dy = geo.getGridYd();
}
brush.setAffineTexture((0f - xmin1) / ydelta1, 0.25f);
int i0 = (int) (ymin1 / dy);
if (ymin1 > 0) i0++;
for (int i = i0; i <= ymax1 / dy; i++)
brush.segment(
coordsys.getPointForDrawing(xmin1, i * dy), coordsys.getPointForDrawing(xmax1, i * dy));
// along y axis
brush.setAffineTexture((0f - ymin1) / xdelta1, 0.25f);
i0 = (int) (xmin1 / dx);
if (xmin1 > 0) i0++;
for (int i = i0; i <= xmax1 / dx; i++)
brush.segment(
coordsys.getPointForDrawing(i * dx, ymin1), coordsys.getPointForDrawing(i * dx, ymax1));
gridIndex = brush.end();
brush.start(gridOutlineIndex);
removeGeometryIndex(gridOutlineIndex);
boolean showClippingCube = getView3D().showClippingCube();
// draws the rectangle outline
if (showClippingCube) {
brush.setAffineTexture((0f - xmin1) / ydelta1, 0.25f);
} else brush.setPlainTexture();
brush.segment(
coordsys.getPointForDrawing(xmin1, ymax1 - thickness),
coordsys.getPointForDrawing(xmax1, ymax1 - thickness));
brush.segment(
coordsys.getPointForDrawing(xmin1, ymin1 + thickness),
coordsys.getPointForDrawing(xmax1, ymin1 + thickness));
if (showClippingCube) {
brush.setAffineTexture((0f - ymin1) / xdelta1, 0.25f);
}
brush.segment(
coordsys.getPointForDrawing(xmin1 + thickness, ymin1),
coordsys.getPointForDrawing(xmin1 + thickness, ymax1));
brush.segment(
coordsys.getPointForDrawing(xmax1 - thickness, ymin1),
coordsys.getPointForDrawing(xmax1 - thickness, ymax1));
gridOutlineIndex = brush.end();
}
return true;
}