@Override
public synchronized void circle(V2 centre, float radius, boolean fill) {
// move based on camera position where applicable
V2 pov_centre;
if (use_camera) {
radius *= camera.getZoom();
pov_centre = camera.getPerspective(centre);
} else pov_centre = centre;
draw_queue.add(
new DrawShape(
new Ellipse2D.Float(
pov_centre.x - radius, pov_centre.y - radius, radius * 2, radius * 2),
fill));
}
@Override
public void angleBox(V2 o, V2 d, float size, boolean fill) {
// move based on camera position where applicable
V2 po = (use_camera) ? camera.getPerspective(o) : o;
// scale direction-vector based on zoom
V2 pd = (use_camera) ? d.clone().scale(camera.getZoom() * size) : d.clone().scale(size);
int
xpts
[] =
{
(int) (po.x + pd.x + pd.y), (int) (po.x + pd.x - pd.y),
(int) (po.x + -pd.x - pd.y), (int) (po.x + -pd.x + pd.y)
},
ypts
[] =
{
(int) (po.y + -pd.x + pd.y), (int) (po.y + pd.x + pd.y),
(int) (po.y + pd.x - pd.y), (int) (po.y + -pd.x - pd.y)
};
draw_queue.add(new DrawShape(new Polygon(xpts, ypts, 4), fill));
}