import javax.media.j3d.GeometryArray;
import javax.media.j3d.LineArray;

public class cube_creation {
	public static LineArray ccr(float cube_pts[][]) {
		float[][] cube_edges = new float[24][3];
		int offset = 0;
		for(int i=0; i<7; i++) {
			for(int j=i+1; j<8; j++) {
        		int counter = 0;
        		if(cube_pts[i][0]==cube_pts[j][0]) counter++;
        		if(cube_pts[i][1]==cube_pts[j][1]) counter++;
        		if(cube_pts[i][2]==cube_pts[j][2]) counter++;
        		if(counter==2) {
    				for(int l=0; l<3; l++) {
        				cube_edges[offset+0][l]=cube_pts[i][l];
        				cube_edges[offset+1][l]=cube_pts[j][l];
        			}
    				offset+=2;
        		}
        	}
		}

		LineArray cube = new LineArray(cube_edges.length,GeometryArray.COORDINATES|GeometryArray.BY_REFERENCE|GeometryArray.ALLOW_REF_DATA_WRITE);
		
		for(int i=0; i<cube_edges.length; i++) {
			cube.setCoordinate(i, cube_edges[i]);
        }
		
		/*System.out.println("cube pts length = " + cube_pts.length);
		for(int i=0; i<cube_pts.length; i++) {
			System.out.print(i + ")  ");
			for(int j=0; j<3; j++) {
				System.out.print(cube_pts[i][j] + "  ");
			}
			System.out.println();
		}
		
		System.out.println("cube edges length = " + cube_edges.length);
		for(int i=0; i<cube_edges.length; i++) {
			System.out.print(i + ")  ");
			for(int j=0; j<3; j++) {
				System.out.print(cube_edges[i][j] + "  ");
			}
			System.out.println();
		}
		*/
		return cube;
	}
}