2 import java.awt.event.*;
4 import javax.media.opengl.*;
5 import javax.media.opengl.glu.*;
7 public class Main implements GLEventListener {
9 private Geom geom = new Geom();
11 /** magnification factor */
12 private static final float MAG = 1;
14 public Main(StlFile stlf) {
15 for(int i=0; i<stlf.coordArray.length; i+=3) {
16 Geom.P p0 = geom.newP(stlf.coordArray[i+0].x * MAG, stlf.coordArray[i+0].y * MAG, stlf.coordArray[i+0].z * MAG);
17 Geom.P p1 = geom.newP(stlf.coordArray[i+1].x * MAG, stlf.coordArray[i+1].y * MAG, stlf.coordArray[i+1].z * MAG);
18 Geom.P p2 = geom.newP(stlf.coordArray[i+2].x * MAG, stlf.coordArray[i+2].y * MAG, stlf.coordArray[i+2].z * MAG);
19 Geom.V n = geom.new V(stlf.normArray[i/3].x * MAG, stlf.normArray[i/3].y * MAG, stlf.normArray[i/3].z * MAG);
20 Geom.T t = geom.newT(geom.newE(p0, p1), geom.newE(p1, p2), geom.newE(p2, p0), n);
25 * Take care of initialization here.
27 public void init(GLAutoDrawable gld) {
30 gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
31 gl.glViewport(0, 0, 500, 300);
32 gl.glMatrixMode(GL.GL_PROJECTION);
34 //glu.gluOrtho2D(0.0, 500.0, 0.0, 300.0);
38 public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
39 public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
40 public void display(GLAutoDrawable drawable) {
44 GL gl = drawable.getGL();
45 gl.glClear(GL.GL_COLOR_BUFFER_BIT);
48 for(Geom.T t : geom) {
52 if (red < 0.15) red = 1.0f;
53 if (green < 0.15) green = 1.0f;
54 if (blue < 0.15) blue = 1.0f;
55 gl.glColor3f(red, green, blue);
56 gl.glBegin(GL.GL_TRIANGLES);
60 Geom.P centroid = t.centroid();
61 gl.glBegin(GL.GL_LINES);
63 centroid.glVertex(gl);
64 centroid.plus(t.norm().times(t.diameter())).glVertex(gl);
67 t.p1().plus(t.p1().norm().times(t.diameter())).glVertex(gl);
74 public static void main(String[] s) throws Exception {
75 StlFile stlf = new StlFile();
76 stlf.load("teapot.stl");
77 Main main = new Main(stlf);
78 Frame f = new Frame();
79 GLCapabilities glcaps = new GLCapabilities();
80 GLCanvas glcanvas = new GLCanvas();
81 glcanvas.addGLEventListener(main);
82 f.add(glcanvas, BorderLayout.CENTER);