import java.awt.*;
+import java.util.*;
import java.awt.event.*;
import javax.swing.*;
import javax.media.opengl.*;
import javax.media.opengl.glu.*;
-public class Geom implements GLEventListener {
+public class Geom {
- public static StlFile stlf = null;
+ private HashMap<P,P> ps = new HashMap<P,P>();
- /**
- * Take care of initialization here.
- */
- public void init(GLAutoDrawable gld) {
- GL gl = gld.getGL();
- GLU glu = new GLU();
- gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
- gl.glViewport(0, 0, 500, 300);
- gl.glMatrixMode(GL.GL_PROJECTION);
- gl.glLoadIdentity();
- //glu.gluOrtho2D(0.0, 500.0, 0.0, 300.0);
- display(gld);
+ public P newP(float x, float y, float z) {
+ P p = new P(x, y, z);
+ P p2 = ps.get(p);
+ if (p2 != null) return p2;
+ ps.put(p, p);
+ return p;
}
-
- /**
- * Take care of drawing here.
- */
- 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.glPointSize(5.0f);
-
- for(int i=0; i<stlf.coordArray.length; i+=3) {
- red -= .09f;
- green -= .12f;
- blue -= .15f;
- if (red < 0.15) red = 1.0f;
- if (green < 0.15) green = 1.0f;
- if (blue < 0.15) blue = 1.0f;
- gl.glColor3f(red, green, blue);
-
- 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
- ) {}
-
/** point in 3-space */
- public static class P {
+ public class P {
public final float x, y, z;
public P(float x, float y, float z) { this.x = x; this.y = y; this.z = z; }
public V minus(P p) { return null; }
+ public boolean equals(Object o) {
+ if (o==null || !(o instanceof P)) return false;
+ P p = (P)o;
+ return p.x==x && p.y==y && p.z==z;
+ }
+ public int hashCode() {
+ return
+ Float.floatToIntBits(x) ^
+ Float.floatToIntBits(y) ^
+ Float.floatToIntBits(z);
+ }
}
/** vector in 3-space */
- public static class V {
+ public class V {
private final float x, y, z;
public V(float x, float y, float z) { this.x = x; this.y = y; this.z = z; }
public V norm() { return null; /* FIXME */ }
}
/** an edge */
- public static class E {
+ public class E {
public final P p1, p2;
private T t1, t2;
public E(P p1, P p2) { this.p1 = p1; this.p2 = p2; }
}
/** a triangle (face) */
- public static class T {
+ public class T {
public final E e1, e2, e3;
public T(E e1, E e2, E e3, V normal) {
P p1 = e1.shared(e2);
}
/** matrix */
- public static class M {
- }
-
- public static void main(String[] s) throws Exception {
- stlf = new StlFile();
- stlf.load("teapot.stl");
- /*
- for(int i=0; i<stlf.coordArray.length; i+=3) {
- System.out.println("triangle: (" +
- stlf.coordArray[i+0] + ", " +
- stlf.coordArray[i+1] + ", " +
- stlf.coordArray[i+2] + ")");
- }
-
- gi.setCoordinates();
- gi.setNormals(normArray);
- gi.setStripCounts(stripCounts);
-
- GeometryInfo gi = ;
- ga.convertToIndexedTriangles();
- GeometryArray ga = ;
- ga.convertToIndexedTriangles();
- */
-
- Geom geom = new Geom();
-
-
- Frame f = new Frame();
- GLCapabilities glcaps = new GLCapabilities();
- GLCanvas glcanvas = new GLCanvas();
- glcanvas.addGLEventListener(geom);
- f.add(glcanvas, BorderLayout.CENTER);
- f.show();
- f.setSize(500, 300);
+ public class M {
}
}
--- /dev/null
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.media.opengl.*;
+import javax.media.opengl.glu.*;
+
+public class Main implements GLEventListener {
+
+ public static StlFile stlf = null;
+
+ /**
+ * Take care of initialization here.
+ */
+ public void init(GLAutoDrawable gld) {
+ GL gl = gld.getGL();
+ GLU glu = new GLU();
+ gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+ gl.glViewport(0, 0, 500, 300);
+ gl.glMatrixMode(GL.GL_PROJECTION);
+ gl.glLoadIdentity();
+ //glu.gluOrtho2D(0.0, 500.0, 0.0, 300.0);
+ display(gld);
+ }
+
+ /**
+ * Take care of drawing here.
+ */
+ 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.glPointSize(5.0f);
+
+ for(int i=0; i<stlf.coordArray.length; i+=3) {
+ red -= .09f;
+ green -= .12f;
+ blue -= .15f;
+ if (red < 0.15) red = 1.0f;
+ if (green < 0.15) green = 1.0f;
+ if (blue < 0.15) blue = 1.0f;
+ gl.glColor3f(red, green, blue);
+
+ 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();
+ stlf.load("teapot.stl");
+ Main main = new Main();
+ Frame f = new Frame();
+ GLCapabilities glcaps = new GLCapabilities();
+ GLCanvas glcanvas = new GLCanvas();
+ glcanvas.addGLEventListener(main);
+ f.add(glcanvas, BorderLayout.CENTER);
+ f.show();
+ f.setSize(500, 300);
+ }
+
+}
\ No newline at end of file