import javax.media.opengl.*;
import javax.media.opengl.glu.*;
+// FEATURE: check google's 3D warehouse for sample shapes
+
public class Main implements GLEventListener {
- public static StlFile stlf = null;
+ private Geom geom = new Geom();
+
+ /** magnification factor */
+ private static final float MAG = 1;
+
+ Geom.V[] translations;
+ Geom.P[] points;
+
+ public Main(StlFile stlf) {
+
+ Geom.P ltf = geom.newP(-0.2, 0.1, 0.1);
+ Geom.P mtf = geom.newP( 0.0, 0.1, 0.1);
+ Geom.P rtf = geom.newP( 0.2, 0.1, 0.1);
+ Geom.P ltn = geom.newP(-0.2, 0.1, -0.1);
+ Geom.P mtn = geom.newP( 0.0, 0.1, -0.1);
+ Geom.P rtn = geom.newP( 0.2, 0.1, -0.1);
+ Geom.P lbf = geom.newP(-0.2, -0.1, 0.1);
+ Geom.P mbf = geom.newP( 0.0, -0.1, 0.1);
+ Geom.P rbf = geom.newP( 0.2, -0.1, 0.1);
+ Geom.P lbn = geom.newP(-0.2, -0.1, -0.1);
+ Geom.P mbn = geom.newP( 0.0, -0.1, -0.1);
+ Geom.P rbn = geom.newP( 0.2, -0.1, -0.1);
+
+ points = new Geom.P[] {
+ ltf,
+ mtf,
+ rtf,
+ ltn,
+ mtn,
+ rtn,
+ lbf,
+ mbf,
+ rbf,
+ lbn,
+ mbn,
+ rbn
+ };
+
+ translations = new Geom.V[] {
+ geom.new V(-0.2, 0.2, 0),
+ geom.new V( 0.2, 0.2, 0),
+ geom.new V(-0.2, -0.2, 0),
+ geom.new V( 0.2, -0.2, 0),
+ geom.new V( 0.4, 0, 0),
+ geom.new V(-0.4, 0, 0),
+ geom.new V( 0, 0, 0.2),
+ geom.new V( 0, 0, -0.2),
+ };
+
+ // top
+ geom.newT(ltf, mtf, mtn);
+ geom.newT(mtn, ltn, ltf);
+ geom.newT(mtf, rtf, rtn);
+ geom.newT(rtn, mtn, mtf);
+
+ // bottom (swap normals)
+ geom.newT(mbf, lbf, mbn);
+ geom.newT(lbn, mbn, lbf);
+ geom.newT(rbf, mbf, rbn);
+ geom.newT(mbn, rbn, mbf);
+
+ // left
+ geom.newT(ltf, ltn, lbn);
+ geom.newT(lbn, lbf, ltf);
+
+ // right (swap normals)
+ geom.newT(rtn, rtf, rbn);
+ geom.newT(rbf, rbn, rtf);
+
+ // front
+ geom.newT(ltn, mtn, mbn);
+ geom.newT(ltn, mbn, lbn);
+ geom.newT(mtn, rtn, rbn);
+ geom.newT(mtn, rbn, mbn);
+
+ // back
+ geom.newT(mtf, ltf, mbf);
+ geom.newT(mbf, ltf, lbf);
+ geom.newT(rtf, mtf, rbf);
+ geom.newT(rbf, mtf, mbf);
+
+ for(Geom.V v : translations) {
+ for(Geom.T t1 : geom) {
+ for(Geom.T t2 : geom) {
+ if (t1==t2) continue;
+
+ if ((t1.p1().plus(v).minus(t2.p1()).mag() < Geom.EPSILON) &&
+ (t1.p2().plus(v).minus(t2.p3()).mag() < Geom.EPSILON) &&
+ (t1.p3().plus(v).minus(t2.p2()).mag() < Geom.EPSILON)) {
+ t1.e1().bind(t2.e3().pair);
+ t1.e2().bind(t2.e2().pair);
+ t1.e3().bind(t2.e1().pair);
+ }
+ if ((t1.p2().plus(v).minus(t2.p1()).mag() < Geom.EPSILON) &&
+ (t1.p3().plus(v).minus(t2.p3()).mag() < Geom.EPSILON) &&
+ (t1.p1().plus(v).minus(t2.p2()).mag() < Geom.EPSILON)) {
+ t1.e2().bind(t2.e3().pair);
+ t1.e3().bind(t2.e2().pair);
+ t1.e1().bind(t2.e1().pair);
+ }
+ if ((t1.p3().plus(v).minus(t2.p1()).mag() < Geom.EPSILON) &&
+ (t1.p1().plus(v).minus(t2.p3()).mag() < Geom.EPSILON) &&
+ (t1.p2().plus(v).minus(t2.p2()).mag() < Geom.EPSILON)) {
+ t1.e3().bind(t2.e3().pair);
+ t1.e1().bind(t2.e2().pair);
+ t1.e2().bind(t2.e1().pair);
+ }
+ }
+ }
+ }
+
+ //Geom.P mid = geom.newE(ltf, lbn).shatter();
+
+ //tx.e2.shatter();
+ //tx.e3.shatter();
+
+ //mid.move(geom.new V((float)-0.05,0,0));
+
+ //mtf.move(geom.new V(0, (float)-0.05, (float)0.05));
+
+
+ for(Geom.T t : geom) {
+ t.e1().dobind();
+ t.e2().dobind();
+ t.e3().dobind();
+ }
+
+ mtf.move(geom.new V(0, (float)-0.05, (float)0.00));
+
+
+ /*
+ for(int i=0; i<stlf.coordArray.length; i+=3) {
+ Geom.P p0 = geom.newP(stlf.coordArray[i+0].x * MAG, stlf.coordArray[i+0].y * MAG, stlf.coordArray[i+0].z * MAG);
+ Geom.P p1 = geom.newP(stlf.coordArray[i+1].x * MAG, stlf.coordArray[i+1].y * MAG, stlf.coordArray[i+1].z * MAG);
+ Geom.P p2 = geom.newP(stlf.coordArray[i+2].x * MAG, stlf.coordArray[i+2].y * MAG, stlf.coordArray[i+2].z * MAG);
+ Geom.V n = geom.new V(stlf.normArray[i/3].x * MAG, stlf.normArray[i/3].y * MAG, stlf.normArray[i/3].z * MAG);
+ Geom.T t = geom.newT(p0, p1, p2, n);
+ }
+ */
+
+
+ }
/**
* Take care of initialization here.
GL gl = gld.getGL();
GLU glu = new GLU();
gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+ gl.glClearDepth(1.0);
gl.glViewport(0, 0, 500, 300);
gl.glMatrixMode(GL.GL_PROJECTION);
+ gl.glEnable(GL.GL_DEPTH_TEST);
+ gl.glDepthFunc(GL.GL_LEQUAL);
+
gl.glLoadIdentity();
+ gl.glRotatef((float)45, 1, 1, 1);
+
//glu.gluOrtho2D(0.0, 500.0, 0.0, 300.0);
display(gld);
}
- /**
- * Take care of drawing here.
- */
+ public static int angle = 0;
+
+ public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
+ public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
public void display(GLAutoDrawable drawable) {
- float red = 0.0f;
- float green = 0.0f;
- float blue = 0.0f;
GL gl = drawable.getGL();
- gl.glClear(GL.GL_COLOR_BUFFER_BIT);
+ gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glPointSize(5.0f);
+ gl.glLoadIdentity();
+ gl.glRotatef(angle, 1, 1, 1);
- for(int i=0; i<stlf.coordArray.length; i+=3) {
- red -= .09f;
- green -= .12f;
- blue -= .15f;
+ gl.glBegin(GL.GL_TRIANGLES);
+ draw(gl, true);
+ gl.glEnd();
+ /*
+ for(Geom.V v1 : translations) {
+ if (v1.z==0 && v1.y==0) continue;
+ Geom.V v = v1.times((float)1.1);
+ gl.glTranslatef(v.x, v.y, v.z);
+ //draw(gl, false);
+ gl.glTranslatef(-v.x, -v.y, -v.z);
+ }
+ */
+ }
+
+ private void draw(GL gl, boolean triangles) {
+ float red = 0.0f;
+ float green = 0.0f;
+ float blue = 0.0f;
+ for(Geom.T t : geom) {
if (red < 0.15) red = 1.0f;
if (green < 0.15) green = 1.0f;
if (blue < 0.15) blue = 1.0f;
+ red -= .09f;
+ green -= .12f;
+ blue -= .15f;
gl.glColor3f(red, green, blue);
+ switch(t.color) {
+ case 0: gl.glColor3f((float)0.25, (float)0.25, (float)0.75); break;
+ case 1: gl.glColor3f((float)0.25, (float)0.75, (float)0.25); break;
+ case 2: gl.glColor3f((float)0.75, (float)0.25, (float)0.25); break;
+ case 3: gl.glColor3f((float)0.50, (float)0.50, (float)0.50); break;
+ }
+ //gl.glBegin(GL.GL_LINES);
+ if (triangles) {
+ gl.glBegin(GL.GL_TRIANGLES);
+ t.glVertices(gl);
+ gl.glEnd();
+ } else {
+ gl.glBegin(GL.GL_LINES);
+ t.e1().p1.glVertex(gl);
+ t.e1().p2.glVertex(gl);
+ t.e2().p1.glVertex(gl);
+ t.e2().p2.glVertex(gl);
+ t.e3().p1.glVertex(gl);
+ t.e3().p2.glVertex(gl);
+ gl.glEnd();
+ }
+
+ Geom.P centroid = t.centroid();
+ gl.glBegin(GL.GL_LINES);
+ gl.glColor3f(1, 1, 1);
+ /*
+ centroid.glVertex(gl);
+ centroid.plus(t.norm().times(t.diameter())).glVertex(gl);
+ */
+
+ t.p1().glVertex(gl);
+ t.p1().plus(t.p1().norm().times(t.diameter())).glVertex(gl);
+ t.p2().glVertex(gl);
+ t.p2().plus(t.p2().norm().times(t.diameter())).glVertex(gl);
+ t.p3().glVertex(gl);
+ t.p3().plus(t.p3().norm().times(t.diameter())).glVertex(gl);
- gl.glBegin(GL.GL_TRIANGLES);
- for(int j=0; j<3; j++)
- gl.glVertex3f(stlf.coordArray[i+j].x,
- stlf.coordArray[i+j].y,
- stlf.coordArray[i+j].z);
gl.glEnd();
+
}
}
- public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
- public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
-
public static void main(String[] s) throws Exception {
- stlf = new StlFile();
+ StlFile stlf = new StlFile();
stlf.load("teapot.stl");
- Main main = new Main();
+ Main main = new Main(stlf);
Frame f = new Frame();
GLCapabilities glcaps = new GLCapabilities();
GLCanvas glcanvas = new GLCanvas();
glcanvas.addGLEventListener(main);
f.add(glcanvas, BorderLayout.CENTER);
+ f.pack();
f.show();
- f.setSize(500, 300);
+ f.setSize(900, 900);
+ f.doLayout();
+
+ while(true) {
+ Thread.sleep(100);
+ angle+=5;
+ glcanvas.repaint();
+ }
+
}
}
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