/*
* MegaMek -
* Copyright (C) 2000,2001,2002,2003,2004,2005,2006 Ben Mazur (bmazur@sev.org)
*
* This file (C) 2008 J�rg Walter <j.walter@syntax-k.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
package megamek.client.ui.AWT.boardview3d;
import com.sun.j3d.utils.geometry.GeometryInfo;
import com.sun.j3d.utils.geometry.Stripifier;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.GeometryArray;
import javax.media.j3d.LineStripArray;
import javax.media.j3d.RotationInterpolator;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
abstract class ArrowModel extends BranchGroup {
TransformGroup anim = new TransformGroup();
ArrowModel() {
setCapability(ALLOW_DETACH);
anim.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
RotationInterpolator ri = new RotationInterpolator(C.defAlpha, anim, new Transform3D(), 0.0f, 2*(float)Math.PI);
ri.setSchedulingBounds(BoardModel.bounds);
anim.addChild(ri);
}
private static final double[] arrowVertices = {
BoardModel.HEX_SIDE_LENGTH/18, BoardModel.HEX_DIAMETER/18, 0,
BoardModel.HEX_SIDE_LENGTH/6, BoardModel.HEX_DIAMETER/18, 0,
0, BoardModel.HEX_DIAMETER/6, 0,
-BoardModel.HEX_SIDE_LENGTH/6, BoardModel.HEX_DIAMETER/18, 0,
-BoardModel.HEX_SIDE_LENGTH/18, BoardModel.HEX_DIAMETER/18, 0,
-BoardModel.HEX_SIDE_LENGTH/18, -BoardModel.HEX_DIAMETER/9, 0,
BoardModel.HEX_SIDE_LENGTH/18, -BoardModel.HEX_DIAMETER/9, 0,
BoardModel.HEX_SIDE_LENGTH/18, BoardModel.HEX_DIAMETER/18, 0,
};
private static final int[] arrowStrips = { 8 };
static final GeometryArray polygon = makeArrow();
static final GeometryArray border = makeArrowOutline();
private static final GeometryArray makeArrow() {
GeometryInfo gi = new GeometryInfo(GeometryInfo.POLYGON_ARRAY);
int[] contours = { 1 };
float[] normals = {
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
};
gi.setCoordinates(arrowVertices);
gi.setStripCounts(arrowStrips);
gi.setContourCounts(contours);
gi.setNormals(normals);
Stripifier st = new Stripifier();
st.stripify(gi);
return gi.getGeometryArray();
}
private static final GeometryArray makeArrowOutline() {
LineStripArray l = new LineStripArray(arrowVertices.length, LineStripArray.COORDINATES, arrowStrips);
l.setCoordinates(0, arrowVertices);
return l;
}
protected static final GeometryArray makeArrow(double length) {
GeometryInfo gi = new GeometryInfo(GeometryInfo.POLYGON_ARRAY);
int[] contours = { 1 };
float[] normals = {
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1,
};
double[] vertices = new double[arrowVertices.length];
System.arraycopy(arrowVertices, 0, vertices, 0, vertices.length);
length -= BoardModel.HEX_DIAMETER/2;
for (int i = 0; i < 5; i++) vertices[3*i+1] += length;
vertices[3*5+1] += BoardModel.HEX_DIAMETER/2;
vertices[3*6+1] += BoardModel.HEX_DIAMETER/2;
vertices[3*7+1] += length;
gi.setCoordinates(vertices);
gi.setStripCounts(arrowStrips);
gi.setContourCounts(contours);
gi.setNormals(normals);
Stripifier st = new Stripifier();
st.stripify(gi);
return gi.getGeometryArray();
}
static final GeometryArray makeArrowOutline(double length) {
LineStripArray l = new LineStripArray(arrowVertices.length, LineStripArray.COORDINATES, arrowStrips);
double[] vertices = new double[arrowVertices.length];
System.arraycopy(arrowVertices, 0, vertices, 0, vertices.length);
length -= BoardModel.HEX_DIAMETER/2;
for (int i = 0; i < 5; i++) vertices[3*i+1] += length;
vertices[3*5+1] += BoardModel.HEX_DIAMETER/2;
vertices[3*6+1] += BoardModel.HEX_DIAMETER/2;
vertices[3*7+1] += length;
l.setCoordinates(0, vertices);
return l;
}
}