Java GL.glRasterPos3d方法代碼示例

import javax.media.opengl.GL; //導入方法依賴的package包/類
private void renderText(GL gl, String text, int x, int y, int font) {
    int viewport[] = new int[4];
    gl.glGetIntegerv(GL.GL_VIEWPORT, viewport, 0);

    gl.glMatrixMode(GL.GL_MODELVIEW);
    gl.glPushMatrix();
    gl.glLoadIdentity();
    gl.glMatrixMode(GL.GL_PROJECTION);
    gl.glPushMatrix();
    gl.glLoadIdentity();
    {
        gl.glOrtho(0, viewport[2], 0, viewport[3], -1, 1);
        gl.glColor3d(1, 1, 1);
        gl.glRasterPos3d(0, 0, 0);
        glut.glutBitmapString(font, text);
    }
    gl.glMatrixMode(GL.GL_PROJECTION);
    gl.glPopMatrix();
    gl.glMatrixMode(GL.GL_MODELVIEW);
    gl.glPopMatrix();
    
}
 

import javax.media.opengl.GL; //導入方法依賴的package包/類
/**
     * Render {@link MapEvent} that is placed at fixed place (=not at the player).
     * @param gl
     * @param color what color should be map event drawn.
     * @param mapEvent map event to render.
     */
    private void renderPlacedMapEvent(GL gl, GlColor color, MapEvent mapEvent) {
        LogMapMark mapMark = mapEvent.getMark();
        Location position = mapMark.getLocation();

        if (logger.isLoggable(Level.FINE)) logger.fine(" MSG: " + mapMark.getMessage() + ", LOC: " + position);
//      gl.glEnable(GL.GL_BLEND);
//      gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);

        gl.glPushMatrix();
        {
            gl.glTranslated(position.x, position.y, position.z + SPHERE_RADIUS * 1.1);

            gl.glColor4d(color.r, color.g, color.b, color.a);
    //        glu.gluSphere(quadratic, SPHERE_RADIUS * 3, SPHERE_SLICES, SPHERE_STACKS);
            glu.gluCylinder(quadratic, SPHERE_RADIUS, SPHERE_RADIUS, 2*SPHERE_RADIUS, 4, 1);
        }
        gl.glPopMatrix();

        gl.glDisable(GL.GL_DEPTH_TEST);
        {
            gl.glColor3d(0, 0, 0);
            gl.glRasterPos3d(position.x, position.y, position.z);
            glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, mapEvent.getMessage());
            gl.glColor3d(1, 1, 1);
        }
        gl.glEnable(GL.GL_DEPTH_TEST);

//      gl.glDisable(GL.GL_BLEND);
    }
 

import javax.media.opengl.GL; //導入方法依賴的package包/類
/**
     * Render info about agent (in most cases event messages) and its name.
     * TODO: Ugly code, refactor
     * @param gl
     * @param color What color should be used to render info.
     * @param location position of agent
     */
    private void renderInfo(GL gl, GlColor color, Location location) {
        // get text
        List<String> infos = new ArrayList<String>(agent.getAssociatedInfo());
        infos.add(0, '*' + agent.getName() + '*');

        Location topHead = new Location(location);
        topHead = new Location(topHead.x, topHead.y, topHead.z + 2 * SPHERE_RADIUS * 1.1);

        Location top2d = GLTools.getScreenCoordinates(gl, glu, topHead, null);

        int lineGap = 12;
        int font = GLUT.BITMAP_HELVETICA_10;

        int maxWidth = 0;
        for (String line : infos) {
            int lineWidth = glut.glutBitmapLength(font, line);
            if (lineWidth > maxWidth) {
                maxWidth = lineWidth;
            }
        }

        // update starting  position
        top2d = new Location(top2d.x - maxWidth / 2, top2d.y + (infos.size() - 1) * lineGap);        

        GlColor textColor = color.getMixedWith(new GlColor(0, 0, 0), 80);

        gl.glColor3d(textColor.r, textColor.g, textColor.b);
        for (int i = 0; i < infos.size(); i++) {
            String text = infos.get(i);
            if (i == 0) {
                gl.glColor3d(color.r, color.g, color.b);
            } else {
                gl.glColor3d(textColor.r, textColor.g, textColor.b);
//                gl.glColor3d(0, 0, 0);
            }
            Location textPos = GLTools.getWorldCoordinates(gl, glu, top2d, null);
            gl.glRasterPos3d(textPos.x, textPos.y, textPos.z);
            glut.glutBitmapString(font, text);

            top2d = top2d.setY(top2d.y - lineGap);
        }
    }
 

import javax.media.opengl.GL; //導入方法依賴的package包/類
@Override
    public void display(GLAutoDrawable glAutoDrawable) {
       // System.out.println("MER.display " + time + " " + this.mapEvent.getMessage());

        GL gl = glAutoDrawable.getGL();

        gl.glPushMatrix();

        gl.glTranslated(location.x, location.y, location.z + 60 * 1.1);

        // display small
  //      gl.glEnable(GL.GL_BLEND);
        gl.glBlendFunc(GL.GL_SRC_ALPHA,GL.GL_ONE_MINUS_SRC_ALPHA);



        GlColor color = new GlColor(entity.getColor(), 0.5);
        gl.glColor4d(color.r, color.g, color.b, color.a);

        GLUquadric quadratic = glu.gluNewQuadric();
        glu.gluSphere(quadratic, SPHERE_RADIUS, SPHERE_SLICES, SPHERE_STACKS);

        gl.glPopMatrix();

        gl.glDisable(GL.GL_DEPTH_TEST);
        gl.glColor3d(1,1,1);
        gl.glRasterPos3d(location.x, location.y, location.z);
        glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, this.mapEvent.getMessage());
        gl.glEnable(GL.GL_DEPTH_TEST);

//        gl.glDisable(GL.GL_BLEND);
    }