public void init(Controller c) {
super.init(c);
// Make the Display3D. We'll have it display stuff later.
display = new Display3D(600, 600, this);
// attach the portrayals to the displayer, from bottom to top
display.attach(heatPortrayal, "Heat");
display.attach(bugPortrayal, "Bugs");
heatPortrayal.setValueName("Heat");
HeatBugs hbState = (HeatBugs) state;
// center the bug graph. Right now it's located at the (0,0) position. For
// example, if it's a 5x5 graph, and the origin is at (0,0), we want to move it
// to (2,2). So we want it to be at ( (5-1)/2 = 2, (5-1/2) = 2 ). Similarly,
// if it's a 6x6 graph we want the origin to be at (2.5, 2.5), dead center between
// the (2,2) and (3,3) grid positions. To center
// the origin there, we need to move the graph in the opposite direction.
// so the general equation for each dimension: (numGridPoints - 1) / -2.0.
display.translate((hbState.gridWidth - 1) / -2.0, (hbState.gridHeight - 1) / -2.0, 0);
// now let's scale it so it fits inside a 1x1x1 cube centered at the origin. We don't
// have to, but it'll look nicer.
display.scale(1.0 / Math.max(hbState.gridWidth, hbState.gridHeight));
displayFrame = display.createFrame();
c.registerFrame(displayFrame); // register the frame so it appears in the "Display" list
displayFrame.setVisible(true);
}
public void setupPortrayals() {
// display.destroySceneGraph();
// determine
SimpleColorMap cm = new SimpleColorMap();
cm.setLevels(0.0, HeatBugs.MAX_HEAT, Color.blue, Color.red);
// specify that the "bugs" are going to be cones pointing straight up.
TransformedPortrayal3D p = new TransformedPortrayal3D(new ConePortrayal3D());
p.rotateX(90.0);
bugPortrayal.setPortrayalForAll(p);
// the heat can be tiles, meshes, or tiles with no change in height (NOZ).
// Specify which one here.
switch (heatmode) {
case TILE:
quadP = new TilePortrayal(cm, 1f / 2000);
break;
case MESH:
quadP = new MeshPortrayal(cm, 1f / 2000);
break;
case NOZ:
quadP =
new TilePortrayal(cm); // no height changes, but we need to raise the bugs a little bit
bugPortrayal.translate(0, 0, 1.0f);
break;
}
heatPortrayal.setPortrayalForAll(quadP);
// With this line we can tell the bug portrayal to use two triangles rather than
// a rect to draw each cell. See the documentation for ValueGrid2DPortrayal3D for
// why this would be useful and when it is not.
// heatPortrayal.setUsingTriangles(true);
heatPortrayal.setField(((HeatBugs) state).valgrid);
bugPortrayal.setField(((HeatBugs) state).buggrid);
// reschedule the displayer
display.reset();
// rebuild the scene graph
display.createSceneGraph();
}
