#VRML V2.0 utf8
##<load file=web3d-navigate>

##:@* plane

##@ HUD

Transform {
translation 0 0 15 
    children [
DEF PLANEBG Transform {
    ##translation -7 5 -35
    translation -25 5 -35
    scale        4 4  3

    children [
        Transform {
            rotation 1 0 0 1.57
            children [
                Shape {
                    appearance Appearance {
                        material Material {
                            diffuseColor  0.2 0.2 0.5
                            emissiveColor 0 0 0.4
                            transparency 0.6
                        }
                    }
                    geometry DEF ELEVATION ElevationGrid {
                        normalPerVertex TRUE
                        solid           TRUE
                        creaseAngle     1
                        xDimension 8  
                        zDimension 6  
                        xSpacing 1  
                        zSpacing 1  
                        height [  
                            0 0 0 0 0 0 0 0
                            0 0 0 0 0 0 0 0
                            0 0 0 0 0 0 0 0
                            0 0 0 0 0 0 0 0
                            0 0 0 0 0 0 0 0
                            0 0 0 0 0 0 0 0
                        ]
                    }
                }
            ]
        }
    ]
}

DEF TIMER TimeSensor {
    enabled       TRUE
    cycleInterval 12
    loop          TRUE
}

DEF SCRIPT Script {
    directOutput    TRUE
    eventIn SFFloat trigger
    field   SFNode  elevation USE ELEVATION
    field   MFFloat height []
    url "javascript:
        function initialize() {
        }
        function trigger(v,t) {
            a = v*14*3.14;
            d = v*2*3.14;
            i = 0;
            j = 0;
            sind = Math.sin(d);
            for(i=0;i<8;i++) {
                b = v*12*3.14;
                c = v*16*3.14;
                sina = Math.sin(a);
                for(j=0;j<6;j++) {
                    height[i+j*8] = sina+
                                    Math.cos(b);
                    cc = height[i+j*8];
                    cc = cc + 2;
                    cc = cc / 4;
//                    elevation.color.color[i+j*8][2] = cc;
                    b+=0.8*Math.sin(c);
                    c+=0.7;
                }
                a+=sind*0.8;
            }
            elevation.set_height = height;
        }
    "
}

ROUTE TIMER.fraction_changed TO SCRIPT.trigger

] }
##</>