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function init()
{
//***********************************************************************************************************************
// SCENE ELEMENTS
//***********************************************************************************************************************
setLoadingProgress(15);
// SCENE
scene = new THREE.Scene();
// CAMERA
var SCREEN_WIDTH = window.innerWidth, SCREEN_HEIGHT = window.innerHeight;
var VIEW_ANGLE = cam_view_angle, ASPECT = SCREEN_WIDTH / SCREEN_HEIGHT, NEAR = cam_rend_near, FAR = cam_rend_far;
camera = new THREE.PerspectiveCamera( VIEW_ANGLE, ASPECT, NEAR, FAR);
scene.add(camera);
camera.position = cam_init_pos;
camera.lookAt(scene.position);
// RENDERER
if ( Detector.webgl ){
renderer = new THREE.WebGLRenderer( {antialias:true} );
}else{
renderer = new THREE.CanvasRenderer();
alert('WebGL not supported in this device');
canvasMode();
}
renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
container = document.getElementById( 'ThreeJS' );
container.appendChild( renderer.domElement );
// EVENTS
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//THREEx.WindowResize(renderer, camera);
//THREEx.FullScreen.bindKey({ charCode : 'm'.charCodeAt(0) });
window.addEventListener( 'resize', onWindowResize, false );
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//controls = new THREE.OrbitControls( camera, renderer.domElement );
controls = new THREE.TrackballControls( camera );
controls.rotateSpeed = 1.0;
controls.zoomSpeed = 1.2;
controls.panSpeed = 0.8;
controls.noZoom = false;
controls.maxDistance = 2000;
controls.noPan = true;
controls.staticMoving = true;
controls.dynamicDampingFactor = 0.3;
controls.keys = [ 65, 83, 68 ];
controls.addEventListener( 'change', render );
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// STATS
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
//stats.domElement.style.webkitTransform = 0;
//container.appendChild( stats.domElement );
// LIGHT
light = new THREE.PointLight(0xE0E0E0);
//light.position.set(200,200,200);
scene.add(light);
if(!canvas_mode){
sunLight = new THREE.PointLight(0xffef7a);
//sunLight.position.set(200,200,200);
scene.add(sunLight);
}
// ambient
var ambient = new THREE.AmbientLight( 0xFFFFFF );
//scene.add( ambient );
//***********************************************************************************************************************
// STATIC ELEMENTS
//***********************************************************************************************************************
setLoadingProgress(35);
//-----------------------------------------------------------------------------------------------------------------------
// REFERENCE SPHERE
//-----------------------------------------------------------------------------------------------------------------------
if(show_sphere){
var mat_sphere = new THREE.MeshPhongMaterial( {
color: 0x282400,
transparent: true,
side: THREE.FrontSide,
metal: true,
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depthWrite: false, depthTest: false, alphaTest: 0.1,
opacity: 0.4,
} );
var mat_sphere2 = new THREE.MeshBasicMaterial( {
color: 0xBBBBBB,
transparent: true,
side: THREE.FrontSide,
metal: true,
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depthWrite: false, depthTest: false, alphaTest: 0.1,
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opacity: 0.11,
} );
var mats_sphere = [mat_sphere, mat_sphere2];
var sphere = THREE.SceneUtils.createMultiMaterialObject(new THREE.SphereGeometry( sphere_radius, sphere_segments, sphere_segments ), mats_sphere);
sphere.position.set( 0, 0, 0 );
sphere.renderDepth = -0.1;
scene.add( sphere );
}
//-----------------------------------------------------------------------------------------------------------------------
// MINI SPHERES
//-----------------------------------------------------------------------------------------------------------------------
if(show_mini_spheres){
if(!canvas_mode)
var mat_mini = new THREE.MeshPhongMaterial( { color: 0xAAAAAA, metal: true } );
else
var mat_mini = new THREE.MeshBasicMaterial( { color: 0xAAAAAA } );
var miniSphere = new THREE.Mesh(new THREE.SphereGeometry( miniSphere_radius, miniSphere_seg, miniSphere_seg ), mat_mini);
miniSphere.position.set( 0, 0, 0 );
if(!show_spacecraft){
scene.add( miniSphere );
}
miniSphereX = miniSphere.clone();
miniSphereX.position.set( sphere_radius+miniSphere_margin, 0, 0 );
scene.add( miniSphereX );
miniSphereXX = miniSphere.clone();
miniSphereXX.position.set( -sphere_radius-miniSphere_margin, 0, 0 );
scene.add( miniSphereXX );
miniSphereY = miniSphere.clone();
miniSphereY.position.set( 0, sphere_radius+miniSphere_margin, 0 );
scene.add( miniSphereY );
miniSphereYY = miniSphere.clone();
miniSphereYY.position.set( 0, -sphere_radius-miniSphere_margin, 0 );
scene.add( miniSphereYY );
miniSphereZ = miniSphere.clone();
miniSphereZ.position.set( 0, 0, sphere_radius+miniSphere_margin);
scene.add( miniSphereZ );
miniSphereZZ = miniSphere.clone();
miniSphereZZ.position.set( 0, 0, -sphere_radius-miniSphere_margin);
scene.add( miniSphereZZ );
}
//-----------------------------------------------------------------------------------------------------------------------
// SPACECRAFT
//-----------------------------------------------------------------------------------------------------------------------
if(show_spacecraft){
spacecraft = new THREE.Object3D();
if(show_sc_axis){
var sc_axis = new THREE.AxisHelper( sc_axis_lenght );
sc_axis.position.set( 0, 0, 0 );
spacecraft.add( sc_axis );
}
if(!canvas_mode)
var sc_material = new THREE.MeshLambertMaterial( { color: sc_body_color, metal: true, shading: THREE.SmoothShading, blending: THREE.AdditiveBlending, vertexColors: THREE.VertexColors } );
else
var sc_material = new THREE.MeshBasicMaterial( { color: sc_body_color } );
var sc_geometry = new THREE.CylinderGeometry( 6, 1, 15, sc_body_segments );
var sc = new THREE.Mesh( sc_geometry, sc_material );
sc.position.set( 0, 0, 0 );
sc.rotation.x = -Math.PI/2;
spacecraft.add(sc);
//scene.add( sc );
if(!canvas_mode)
var mat_window = new THREE.MeshPhongMaterial( { color: sc_window_color, metal: true, side: THREE.FrontSide } );
else
var mat_window = new THREE.MeshBasicMaterial( { color: sc_window_color, side: THREE.FrontSide } );
var sc_window = new THREE.Mesh(new THREE.SphereGeometry( 3, sc_window_segments, sc_window_segments ), mat_window);
sc_window.position.set( 0, 1.5, -2 );
spacecraft.add(sc_window);
//scene.add( sc_window );
var eng_geometry = new THREE.CylinderGeometry( 2, 2.5, 2, sc_engine_segments );
if(!canvas_mode)
var eng_material = new THREE.MeshPhongMaterial( { color: sc_engine_color, metal: true, side: THREE.FrontSide } );
else
var eng_material = new THREE.MeshBasicMaterial( { color: sc_engine_color, side: THREE.FrontSide } );
var eng = new THREE.Mesh( eng_geometry, eng_material );
eng.rotation.x = -Math.PI/2;
eng.position.set( -2.5, 0, -8 );
spacecraft.add(eng);
//scene.add( eng );
var eng2 = eng.clone();
eng2.rotation.x = -Math.PI/2;
eng2.position.set( 2.5, 0, -8 );
spacecraft.add(eng2);
//scene.add( eng2 );
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if (sc_show_eng_texture){
var noiseTexture = new THREE.ImageUtils.loadTexture( 'textures/lava/cloud.png' );
noiseTexture.wrapS = noiseTexture.wrapT = THREE.RepeatWrapping;
var waterTexture = new THREE.ImageUtils.loadTexture( 'textures/water/engine.jpg' );
waterTexture.wrapS = waterTexture.wrapT = THREE.RepeatWrapping;
// use "this." to create global object
this.customUniforms2 = {
baseTexture: { type: "t", value: waterTexture },
baseSpeed: { type: "f", value: 1.15 },
noiseTexture: { type: "t", value: noiseTexture },
noiseScale: { type: "f", value: 0.5 },
alpha: { type: "f", value: 0.8 },
time: { type: "f", value: 1.0 }
};
// create custom material from the shader code above
// that is within specially labeled script tags
var customMaterial2 = new THREE.ShaderMaterial(
{
uniforms: customUniforms2,
vertexShader: THREE.ShaderEngine.vertexShader,
fragmentShader: THREE.ShaderEngine.fragmentShader
} );
// other material properties
//customMaterial2.transparent = true;
}else{
if(!canvas_mode)
var customMaterial2 = new THREE.MeshPhongMaterial( { color: sc_eng_solid_color, metal: true } );
else
var customMaterial2 = new THREE.MeshBasicMaterial( { color: sc_eng_solid_color } );
}
customMaterial2.side = THREE.BackSide;
// apply the material to a surface innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength)
var flatGeometry = new THREE.RingGeometry( 0.5, 2, 15 );
var surface = new THREE.Mesh( flatGeometry, customMaterial2 );
//surface.rotation.z = -Math.PI/2;
surface.position.set( 2.5, 0, -9.1 );
spacecraft.add(surface);
//scene.add( surface );
var engine_surface2 = surface.clone();
engine_surface2.position.set( -2.5, 0, -9.1 );
spacecraft.add(engine_surface2);
//scene.add( engine_surface2 );
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}
//-----------------------------------------------------------------------------------------------------------------------
// SPHERE CIRCLES
//-----------------------------------------------------------------------------------------------------------------------
if(show_circles){
if(!canvas_mode)
var mat_torus = new THREE.MeshPhongMaterial( { color: 0xAAAAAA, metal: true, transparent: false, opacity: 1.0, side: THREE.BackSide } );
else
var mat_torus = new THREE.MeshBasicMaterial( { color: 0xAAAAAA, side: THREE.BackSide } );
var sphere_y = new THREE.Mesh( new THREE.TorusGeometry( torus_radius, torus_tube, torus_seg_r, torus_seg_t ), mat_torus );
sphere_y.position.set( 0, 0, 0 );
scene.add( sphere_y );
var sphere_z = new THREE.Mesh( new THREE.TorusGeometry( torus_radius, torus_tube, torus_seg_r, torus_seg_t ), mat_torus );
sphere_z.position.set( 0, 0, 0 );
sphere_z.rotation.x = Math.PI/2;
scene.add( sphere_z );
var sphere_x = new THREE.Mesh( new THREE.TorusGeometry( torus_radius, torus_tube, torus_seg_r, torus_seg_t ), mat_torus );
sphere_x.position.set( 0, 0, 0 );
sphere_x.rotation.y = Math.PI/2;
scene.add( sphere_x );
}
//-----------------------------------------------------------------------------------------------------------------------
// REFERENCE AXIS
//-----------------------------------------------------------------------------------------------------------------------
if(show_axis){
var axis = new THREE.AxisHelper( sphere_radius );
axis.position.set( 0, 0, 0 );
scene.add( axis );
}
if(show_axis_labels){
var sprite_X = makeTextSprite( 0, " X ",
{ fontsize: 48, borderColor: {r:0, g:0, b:0, a:1.0}, borderThickness: 1, backgroundColor: {r:0, g:0, b:0, a:0.5}, fontColor: {r:255, g:174, b:0, a:1.0} } );
miniSphereX.add( sprite_X );
var sprite_X = makeTextSprite( 0, " Y ",
{ fontsize: 48, borderColor: {r:0, g:0, b:0, a:1.0}, borderThickness: 1, backgroundColor: {r:0, g:0, b:0, a:0.5}, fontColor: {r:16, g:219, b:2, a:1.0} } );
miniSphereY.add( sprite_X );
var sprite_Z = makeTextSprite( 0, " Z ",
{ fontsize: 48, borderColor: {r:0, g:0, b:0, a:1.0}, borderThickness: 1, backgroundColor: {r:0, g:0, b:0, a:0.5}, fontColor: {r:50, g:119, b:255, a:1.0} } );
miniSphereZ.add( sprite_Z );
}
//-----------------------------------------------------------------------------------------------------------------------
// REFERENCE PLANES
//-----------------------------------------------------------------------------------------------------------------------
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if(show_planes){
var material_plane_xy = new THREE.MeshPhongMaterial({color: plane_xy_color, transparent: true/*, depthWrite: false, depthTest: false, alphaTest: 0.1*/, opacity: 0.2, side: THREE.DoubleSide });
var plane_xy = new THREE.Mesh( new THREE.RingGeometry( sphere_radius, planes_width, plane_theta_seg, plane_phi_seg, 0, Math.PI * 2 ), material_plane_xy );
plane_xy.position.set( 0, 0, 0 );
scene.add( plane_xy );
//Orbital plane
var material_plane_orb = new THREE.MeshPhongMaterial({color: plane_orb_color, transparent: true/*, depthWrite: false, depthTest: false, alphaTest: 0.1*/, opacity: 0.2, side: THREE.DoubleSide });
var ring_geom = new THREE.RingGeometry( sphere_radius, planes_width, plane_theta_seg, plane_phi_seg, 0, Math.PI * 2 )
plane_orb = new THREE.Mesh( ring_geom, material_plane_orb );
/*var vertices = [];
for (var i = 0; i < ring_geom.vertices.length ; i++) {
vertices.push(ring_geom.vertices[i].clone());
}
var orb_plane_shape = new THREE.Shape(vertices);
// extrude options
var options = {
amount: 1, // default 100, only used when path is null
bevelEnabled: false,
bevelSegments: 2,
steps: 1, // default 1, try 3 if path defined
extrudePath: null // or path
};
// geometry
var geometry = new THREE.ExtrudeGeometry( orb_plane_shape, options );
plane_orb = new THREE.Mesh(geometry, material_plane_orb);
*/
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//Compute inclination quaternion
var norm_orbital_plane = value_velocity.clone().normalize().cross(value_earth.clone().normalize());
var norm_rotation_earth = new THREE.Vector3(0,0,1);
var incl_quat = new THREE.Quaternion().setFromUnitVectors( norm_rotation_earth, norm_orbital_plane );
//Rotate orbital plane
plane_orb.quaternion.copy(incl_quat);
plane_orb.matrixWorldNeedsUpdate = true;
plane_orb.updateMatrix();
if(show_inclination){
//Compute instant inclination angle
var inclination = Math.asin(value_earth.z/value_earth.length());
//console.debug(inclination);
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//Compute arc angle clip points
//var clip1 = value_earth.clone().normalize().multiplyScalar(sphere_radius);
//var clip2 = value_earth.clone().setZ(0).normalize().multiplyScalar(sphere_radius);
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//Draw Arc
mat_arc = new THREE.MeshPhongMaterial( { color: 0xFFFF00, metal: true, transparent: false, opacity: 1.0, side: THREE.BackSide } );
incl_arc = new THREE.Mesh( new THREE.TorusGeometry( arc_radius, arc_tube, arc_seg_r, arc_seg_t, inclination ), mat_arc );
incl_arc.position.set( 0, 0, 0 );
//Used for update()
incl_offset = new THREE.Quaternion().setFromAxisAngle(new THREE.Vector3( -1, 0, 0 ),Math.PI/2);
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//Sprite
spriteInclination = makeTextSprite( 4, " i = ",
{ fontsize: 40, borderColor: {r:255, g:255, b:255, a:1.0}, borderThickness: 1, backgroundColor: {r:0, g:0, b:0, a:0.5}, fontColor: {r:255, g:255, b:255, a:1.0} } );
spriteInclination.position.set( 0, 0, 0);
scene.add(spriteInclination);
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scene.add( incl_arc );
}
//plane_orb.rotation.x += 0.3;
scene.add( plane_orb );
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}
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//-----------------------------------------------------------------------------------------------------------------------
// SKY
//-----------------------------------------------------------------------------------------------------------------------
if(show_sky){
// create the geometry sphere
var sky_geometry = new THREE.SphereGeometry(1000, 32, 32);
// create the material, using a texture of startfield
var sky_material = new THREE.MeshBasicMaterial();
sky_material.map = THREE.ImageUtils.loadTexture('textures/sky/stars.jpg');
sky_material.map.wrapS = sky_material.map.wrapT = THREE.RepeatWrapping;
sky_material.map.repeat.set( 8, 8 );
sky_material.side = THREE.BackSide;
// create the mesh based on geometry and material
var sky_mesh = new THREE.Mesh(sky_geometry, sky_material);
scene.add(sky_mesh);
}
//***********************************************************************************************************************
// DYNAMIC ELEMENTS
//***********************************************************************************************************************
setLoadingProgress(65);
//-----------------------------------------------------------------------------------------------------------------------
// ARROWS
//-----------------------------------------------------------------------------------------------------------------------
// ARROWS
var direction;
// BASIC
if(show_velocity){
direction = new THREE.Vector3().subVectors(value_velocity, origin).normalize();
arrow_vel = new THREE.ArrowHelper(direction, origin, arrow_max_length, color_velocity, arrow_head_length, arrow_head_width, arrow_segments, canvas_mode);
scene.add(arrow_vel);
}
if(show_acceleration){
direction = new THREE.Vector3().subVectors(value_acceleration, origin).normalize();
arrow_accel = new THREE.ArrowHelper(direction, origin, arrow_max_length, color_acceleration, arrow_head_length, arrow_head_width, arrow_segments, canvas_mode);
scene.add(arrow_accel);
}
if(show_momentum){
direction = new THREE.Vector3().subVectors(value_momentum, origin).normalize();
arrow_momentum = new THREE.MomentumHelper(direction, origin, momentum_length, color_momentum, momentum_head_length, momentum_head_width, momentum_segments, canvas_mode);
scene.add(arrow_momentum);
}
// EXTRA
if(show_target_a){
direction = new THREE.Vector3().subVectors(value_target_a, origin).normalize();
target_a = new THREE.TargetHelper(direction, origin, target_length, color_target_a, target_head_length, target_head_width, target_segments, canvas_mode);
scene.add(target_a);
}
if(show_vector_a){
direction = new THREE.Vector3().subVectors(value_vector_a, origin).normalize();
vector_a = new THREE.ArrowHelper(direction, origin, arrow_max_length, color_vector_a, arrow_head_length, arrow_head_width, arrow_segments, canvas_mode);
scene.add(vector_a);
}
if(show_direction_a){
direction = new THREE.Vector3().subVectors(value_direction_a, origin).normalize();
direction_a = new THREE.MomentumHelper(direction, origin, momentum_length, color_direction_a, momentum_head_length, momentum_head_width, momentum_segments, canvas_mode);
scene.add(direction_a);
}
//-----------------------------------------------------------------------------------------------------------------------
// SUN
//-----------------------------------------------------------------------------------------------------------------------
setLoadingProgress(75);
if(show_sun){
if(show_sun_texture){
// base image texture for mesh
var lavaTexture = new THREE.ImageUtils.loadTexture( 'textures/lava/lava.jpg');
lavaTexture.wrapS = lavaTexture.wrapT = THREE.RepeatWrapping;
// multiplier for distortion speed
var baseSpeed = 0.02;
// number of times to repeat texture in each direction
var repeatS = repeatT = 2.0;
// texture used to generate "randomness", distort all other textures
var noiseTexture = new THREE.ImageUtils.loadTexture( 'textures/lava/cloud.png' );
noiseTexture.wrapS = noiseTexture.wrapT = THREE.RepeatWrapping;
// magnitude of noise effect
var noiseScale = 0.5;
// texture to additively blend with base image texture
var blendTexture = new THREE.ImageUtils.loadTexture( 'textures/lava/lava.jpg' );
blendTexture.wrapS = blendTexture.wrapT = THREE.RepeatWrapping;
// multiplier for distortion speed
var blendSpeed = 0.08;
// adjust lightness/darkness of blended texture
var blendOffset = 0.45;
// texture to determine normal displacement
var bumpTexture = noiseTexture;
bumpTexture.wrapS = bumpTexture.wrapT = THREE.RepeatWrapping;
// multiplier for distortion speed
var bumpSpeed = 0.5;
// magnitude of normal displacement
var bumpScale = 2.0;
// use "this." to create global object
this.customUniforms = {
baseTexture: { type: "t", value: lavaTexture },
baseSpeed: { type: "f", value: baseSpeed },
repeatS: { type: "f", value: repeatS },
repeatT: { type: "f", value: repeatT },
noiseTexture: { type: "t", value: noiseTexture },
noiseScale: { type: "f", value: noiseScale },
blendTexture: { type: "t", value: blendTexture },
blendSpeed: { type: "f", value: blendSpeed },
blendOffset: { type: "f", value: blendOffset },
bumpTexture: { type: "t", value: bumpTexture },
bumpSpeed: { type: "f", value: bumpSpeed },
bumpScale: { type: "f", value: bumpScale },
alpha: { type: "f", value: 1.0 },
time: { type: "f", value: 1.0 }
};
// create custom material from the shader code above
// that is within specially labeled script tags
var customMaterialSun = new THREE.ShaderMaterial(
{
uniforms: customUniforms,
vertexShader: THREE.ShaderSun.vertexShader,
fragmentShader: THREE.ShaderSun.fragmentShader
} );
}else{//Not using texture, solid color instead
var customMaterialSun = new THREE.MeshPhongMaterial( { color: sun_solid_color, metal: true } );
}
var sunGeometry = new THREE.SphereGeometry( sun_radius, sun_seg, sun_seg );
sun = new THREE.Mesh( sunGeometry, customMaterialSun );
sun.position.set(0, 85, 85);//Don't remove or the dashed material is not created
scene.add( sun );
if(!sun_simple_glow){
// SHADER GLOW EFFECT
var customMaterialGlow = new THREE.ShaderMaterial(
{
uniforms:
{
"c": { type: "f", value: 0.1 },
"p": { type: "f", value: 3.4 },
glowColor: { type: "c", value: new THREE.Color(0xffff00) },
viewVector: { type: "v3", value: camera.position }
},
vertexShader: THREE.ShaderGlow.vertexShader,
fragmentShader: THREE.ShaderGlow.fragmentShader,
side: THREE.FrontSide,
blending: THREE.AdditiveBlending,
transparent: true
} );
sunGlow = new THREE.Mesh( sunGeometry.clone(), customMaterialGlow.clone() );
sunGlow.position = sun.position;
sunGlow.scale.multiplyScalar(1.8);
scene.add( sunGlow );
}else{
// SUPER SIMPLE GLOW EFFECT
// use sprite because it appears the same from all angles
var spriteMaterial = new THREE.SpriteMaterial(
{
map: new THREE.ImageUtils.loadTexture( 'textures/lava/glow.png' ),
useScreenCoordinates: false,// alignment: THREE.SpriteAlignment.center,
color: 0xf79216, transparent: false, blending: THREE.AdditiveBlending
});
sunGlow = new THREE.Sprite( spriteMaterial );
sunGlow.scale.set(20, 20, 1.0);
sun.add(sunGlow); // this centers the glow at the mesh
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}
if(sun_show_line){
// SUN LINE
var lineGeometrySun = new THREE.Geometry();
lineGeometrySun.dynamic = true;
var vertArraySun = lineGeometrySun.vertices;
vertArraySun.push( new THREE.Vector3(sun.position.x,sun.position.y,sun.position.z), new THREE.Vector3(0, 0, 0) );
lineGeometrySun.computeLineDistances();
var lineMaterialSun = new THREE.LineDashedMaterial( { color: 0xffd800, dashSize: 2, gapSize: 2 } );
lineSun = new THREE.Line( lineGeometrySun, lineMaterialSun );
scene.add(lineSun);
}
if(sun_show_dist){
// Sun Sprite
spriteSun = makeTextSprite( 1, " 1.05 AU ",
{ fontsize: 24, borderColor: {r:255, g:255, b:255, a:1.0}, borderThickness: 1, backgroundColor: {r:0, g:0, b:0, a:1.5}, fontColor: {r:255, g:255, b:255, a:1.0} } );
sun.add( spriteSun );
}
}
//-----------------------------------------------------------------------------------------------------------------------
// EARTH
//-----------------------------------------------------------------------------------------------------------------------
setLoadingProgress(85);
// EARTH
if(show_earth){
var earth_geometry = new THREE.SphereGeometry( earth_radius, earth_seg, earth_seg ) ;
if(show_earth_texture){
var earth_material = new THREE.MeshBasicMaterial( { map: THREE.ImageUtils.loadTexture( 'textures/earth/Land_ocean_ice_cloud_2048.jpg' ), overdraw: true } )
}else{
var earth_material = new THREE.MeshPhongMaterial( { color: earth_solid_color, metal: true } );
}
earth = new THREE.Mesh( earth_geometry, earth_material ) ;
earth.position.set(75, 0, 75);//Don't remove or the dashed material is not created
scene.add( earth );
if(earth_show_line){
// EARTH LINE
var lineGeometryEarth = new THREE.Geometry();
var vertArrayEarth = lineGeometryEarth.vertices;
vertArrayEarth.push( new THREE.Vector3(earth.position.x,earth.position.y,earth.position.z), new THREE.Vector3(0, 0, 0) );
lineGeometryEarth.computeLineDistances();
var lineMaterialEarth = new THREE.LineDashedMaterial( { color: 0x0099ff, dashSize: 2, gapSize: 2 } );
lineEarth = new THREE.Line( lineGeometryEarth, lineMaterialEarth );
scene.add(lineEarth);
}
if(earth_show_dist){
// Earth Sprite
spriteEarth = makeTextSprite( 2, " 36150 Km ",
{ fontsize: 20, borderColor: {r:255, g:255, b:255, a:1.0}, borderThickness: 1, backgroundColor: {r:0, g:0, b:0, a:0.5}, fontColor: {r:255, g:255, b:255, a:1.0} } );
earth.add( spriteEarth );
}
}