VisClient/org/hfbk/vis/visnode/VisScale.java

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package org.hfbk.vis.visnode;

import java.util.HashMap;

import org.dronus.gl.GLSphereRenderer;
import org.dronus.gl.GLTextPanel;
import org.dronus.graph.Node;
import org.lwjgl.opengl.GL11;
import org.lwjgl.util.vector.Vector3f;


public class VisScale extends VisNode {

        static final float LENGTH=50;
        
        //count of used scales
        static int scales=0;
        
        int id;
        String name;
        
        float value=.5f;
        float scale=1;
        
        VisMarker marker;
        
        VisScale(String name, float scale) {
                super(new Node(name), new Vector3f());
                radius=Float.POSITIVE_INFINITY;
                this.name=name;
                this.scale=scale;
                id=(scales++);
        }

        static HashMap<String,VisScale> defaultScales=new HashMap<String, VisScale>();
        public static void scaleIt(String name, float value, float scale, VisRoot root){
                VisScale s=defaultScales.get(name);
                if(s==null){
                        s=new VisScale(name,scale);
                        defaultScales.put(name, s);
                        root.add(s);
                }
                s.value=value;
        }
        
        void transform() {
                GL11.glRotatef(30,0,0,1);
                GL11.glRotatef(id*30,0,1,0);
                GL11.glRotatef(-30,0,0,1);
                //GL11.glRotatef(id*30,0,1,0);
        }
        
        void renderSelf() {
                if (marker==null)
                        add(marker=new VisMarker(name));
                
                value+=((float)Math.random()-.5)/1000;
                marker.position.y=value*scale*LENGTH;
                
                GL11.glDisable(GL11.GL_TEXTURE_2D);
                GL11.glColor3f(1,1,1);
                
                GL11.glBegin(GL11.GL_LINES);
                GL11.glVertex3f(0,0,0);
                GL11.glVertex3f(0,LENGTH,0);
                GL11.glEnd();
                GL11.glTranslatef(0,LENGTH,0);
                GL11.glScalef(1,.2f,1);
                GLSphereRenderer.renderSphere(2);               
        }

        class VisMarker extends VisButton{
                VisMarker(String name) {
                        super(name, new Vector3f());
                        radius=w=h=2;
                }

                float oldvalue;
                
                void renderSelf() {
                        GL11.glDisable(GL11.GL_TEXTURE_2D);                     
                        if (isHoovered){
                                if (helpPanel==null || value!=oldvalue){ //if value changed, 
                                        helpPanel=new GLTextPanel(help+": "+value,0,0); //build new text 
                                        oldvalue=value;
                                }
                                GL11.glEnable(GL11.GL_TEXTURE_2D);
                                GL11.glPushMatrix();
                                GL11.glTranslatef(2f,0,0);
                                GL11.glScalef(1,2,2);
                                helpPanel.render();
                                GL11.glPopMatrix();
                                GL11.glDisable(GL11.GL_TEXTURE_2D);
                                
                                GL11.glColor3f(1,.2f,.2f);
                        }else
                                GL11.glColor3f(1,1,1);
                        GL11.glScalef(1,.2f,1);
                        GLSphereRenderer.renderSphere(2);
                }
                
                public void handleClick() {}
        }
}

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