예제 #1
0
  /** Draws circular particle using a display list. */
  public void display(GL gl) {
    if (PARTICLE_DISPLAY_LIST < 0) { // MAKE DISPLAY LIST:
      int displayListIndex = gl.glGenLists(1);
      gl.glNewList(displayListIndex, GL.GL_COMPILE);
      drawParticle(gl, new Point3d(), radius); // /particle at origin
      gl.glEndList();
      System.out.println("MADE LIST " + displayListIndex + " : " + gl.glIsList(displayListIndex));
      PARTICLE_DISPLAY_LIST = displayListIndex;
    }

    // / COLOR: DEFAULT WHITE; GREEN IF HIGHLIGHTED; ADD RED IF PINNED
    Color3f c = new Color3f(1, 1, 1); // default: white
    if (pin) {
      c.x = 1f; // add red
      c.y *= 0.2f;
      c.z = 0;
    }
    if (highlight) {
      c.y = 1;
      c.z = 0;
    }
    if (GooParticle.class.isInstance(this)) {
      c.x = 0;
      c.y = 0;
      // now its blue
    }

    gl.glColor3f(c.x, c.y, c.z);

    // / DRAW ORIGIN-CIRCLE TRANSLATED TO "p":
    gl.glPushMatrix();
    gl.glTranslated(x.x, x.y, x.z);
    gl.glCallList(PARTICLE_DISPLAY_LIST);
    gl.glPopMatrix();
  }
예제 #2
0
  /** Draws a canonical circular particle. */
  private static void drawParticle(GL gl, Point3d p, double r) {
    double radius = r;

    double vectorY1 = p.y;
    double vectorX1 = p.x;
    double vectorZ1 = p.z;

    GLU glu = new GLU();
    GLUquadric quadratic = glu.gluNewQuadric();
    glu.gluQuadricNormals(quadratic, GLU.GLU_SMOOTH);
    glu.gluQuadricTexture(quadratic, true);

    gl.glPushMatrix();
    gl.glTranslated(p.x, p.y, p.z);
    glu.gluSphere(quadratic, radius, 12, 12);
    gl.glPopMatrix();
  }