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moon-rover-64p-r1-1.html
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<!doctype html>
<html lang=en >
<head>
<title>Moon Rover 64p r1.1</title>
<meta charset=utf-8 />
<meta name=viewport content='width=device-width,user-scalable=no,minimum-scale=1.0,maximum-scale=1.0' />
</head>
<body>
<script src=https://rawgit.com/mrdoob/three.js/r72/build/three.min.js ></script>
<script src=https://rawgit.com/mrdoob/three.js/r72/examples/js/controls/OrbitControls.js ></script>
<script src=https://rawgit.com/mrdoob/three.js/r72/examples/js/controls/FirstPersonControls.js ></script>
<script src=https://rawgit.com/mrdoob/three.js/r72/examples/js/libs/stats.min.js ></script>
<script>
// Enable the script to operate within an iframe, make URLs fixed - otherwise set to relative
var sourceFolder = window.self === window.top ? '../' : 'https://jaanga.github.io/moon/';
// var gazetteerFile = sourceFolder + 'moon-gazetteer/moon-100-9216x4608.csv';
// var gazetteerFile = sourceFolder + 'moon-gazetteer/moon-100-5760x2880.csv';
var gazetteerFile = sourceFolder + 'gazetteer/moon-9000-5760x2880.csv';
// var mapImage = sourceFolder + 'moon-images/Moonmap_from_clementine_data.png'; // 1440 x 720
// var mapImage = sourceFolder + 'moon-images/WAC_GLD100_E000N1800_008P.jpg'; // 1440 x 720
// var mapImage = sourceFolder + 'moon-images/Lunar_Clementine_UVVIS_750nm_Global_Mosaic_1.2km.jpg'; // 9216 x 4608
// var mapImage = sourceFolder + 'moon-images/moon_8k_color_brim16.jpg'; // 8192 x 4096 https://laps.noaa.gov/albers/sos/moon/moon_8k_color_brim16.jpg
var mapImage = sourceFolder + 'images/moon_8k_color_brim16_4096x2048.jpg'; // https://laps.noaa.gov/albers/sos/moon/moon_8k_color_brim16.jpg
// var mapImage = sourceFolder + 'moon-images/moon_8k_color_brim16_2880x1440.jpg'; // https://laps.noaa.gov/albers/sos/moon/moon_8k_color_brim16.jpg
// var heightmapImage = sourceFolder + 'moon-images/LALT_GGT_MAP.jpg'; // 5770 x 2880
// var heightmapImage = sourceFolder + 'moon-images/WAC_GLD100_E000N1800_016P.png'; // 5770 x 2880
var heightMapsFolder = sourceFolder + 'heightmaps/64p/'
var name = '/64p-';
var heightmapImage;
var heightMesh;
// var mapWidth = 2880; // 8px
// var mapHeight = 1440;
var mapWidth = 5760; // 16px
var mapHeight = 2880;
// var mapWidth = 9216;
// var mapHeight = 4608;
var halfMapWidth = 0.5 * mapWidth;
var halfMapHeight = 0.5 * mapHeight;
var heightmapWidth = 5760;
var heightmapHeight = 2880;
var halfHMWidth = 0.5 * heightmapWidth;
var halfHMHeight = 0.5 * heightmapHeight;
var pixelsFactor = 8;
var heightMeshWidth = 256 / pixelsFactor;
var heightMeshHeight = 256 / pixelsFactor;
var heightMeshYPosition = 10;
var placardYPosition = 100;
var selectedPlace = 1753; // Copernicus
var minPlaceRadiusToDisplay = 50; // radius of feature as defined by the gazetteer
var centerX, centerZ;
var delta = 256;
var scale = 1;
var scaleAdjust = 0.0025;
var scl = scale * scaleAdjust;
var css, menu, stats, renderer, scene, camera, controls;
var geometry, material, mesh;
init();
animate();
function init() {
var css = document.body.appendChild( document.createElement('style') );
css.innerHTML = 'body { font: 12pt monospace; margin: 0; overflow: hidden; }' +
'h2 { margin: 0; }' +
'#bars, #i { font-size: 24pt; text-decoration: none; }' +
'#bars { color: pink; } ' +
// add moz
'input[type=range] { -webkit-appearance: none; background-color: silver; height:20px; width: 200px; } ' +
'input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; background-color: #888; height: 28px; opacity: 0.5; width: 10px; } ' +
'';
hamburger = document.body.appendChild( document.createElement( 'div' ) );
hamburger.style.cssText = ' left: 320px; position: absolute; top: 20px; transition: left 1s; ';
hamburger.innerHTML = '<a id=bars href=JavaScript:slideHamburger(); >☰</a>';
menu = hamburger.appendChild( document.createElement( 'div' ) );
menu.style.cssText = ' background-color: #eee; border: 1px #ccc solid; left: -300px; max-height: ' + ( window.innerHeight - 50 ) + 'px; ' +
'opacity: 0.8; overflow: auto; padding: 0 10px; position: absolute; top: 0px; transition: left 1s; width: 260px; ';
menu.innerHTML = '<h2 style=margin:0; ><a href="" >' + document.title + '</a> ' +
'<a id=i href=https://jaanga.github.io/moon/rover/ >ⓘ</a></h2>' +
'<p>Use cursor keys to move over terrain</p>' +
'<p><select id=selPlace></select></p>' +
'<p>' +
'<button onclick=controls.reset(); >Zoom All</button> ' +
'<button id=butZoomIn onclick="camera.position.set(centerX-halfMapWidth+50,heightMeshYPosition+300,centerZ-halfMapHeight+400);" >Zoom In</button>' +
'</p>' +
'<p>Heights: <input type=range min=0 max=2 step=0.05 value=1 onchange=scale=this.value;scl=scale*scaleAdjust;initTerrain(); /></p>' +
'<div id=info ></div>' +
'';
stats = new Stats();
stats.domElement.style.cssText = 'position: absolute; right: 0; top: 0; z-index: 100; ';
document.body.appendChild( stats.domElement );
renderer = new THREE.WebGLRenderer( { alpha: 1, antialias: true, clearColor: 0xffffff } );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 15000 );
camera.position.set( 1000, 4000, 4000 );
controls = new THREE.OrbitControls( camera, renderer.domElement );
controls.maxDistance = 8000;
scene = new THREE.Scene();
window.addEventListener( 'resize', onWindowResize, false );
window.addEventListener( 'keyup', onKeyUp, false );
// assets
var axisHelper = new THREE.AxisHelper( 800 );
scene.add( axisHelper );
THREE.ImageUtils.crossOrigin = 'anonymous';
texture = THREE.ImageUtils.loadTexture( mapImage );
texture.minFilter = texture.magFilter = THREE.NearestFilter;
geometry = new THREE.PlaneGeometry( mapWidth, mapHeight );
geometry.applyMatrix( new THREE.Matrix4().makeRotationX( -0.5 * Math.PI ) );
material = new THREE.MeshBasicMaterial( { map: texture, side: THREE.DoubleSide } );
mapView = new THREE.Mesh( geometry, material );
scene.add( mapView );
canvas = document.createElement( 'canvas' );
// document.body.appendChild( canvas );
// canvas.style.cssText = 'position: absolute; top: 0; z-index: -1;';
canvas.width = 256; // heightMeshWidth;
canvas.height = 256; //heightMeshHeight;
context = canvas.getContext( '2d' );
heightmapCanvas = document.createElement( 'canvas' );
// document.body.appendChild( heightmapCanvas );
// heightmapCanvas.style.cssText = 'border: 5px red solid; position: absolute; top: 0; z-index: -50;';
heightmapCanvas.width = heightmapWidth;
heightmapCanvas.height = heightmapHeight;
heightmapContext = heightmapCanvas.getContext( '2d' );
geometry = new THREE.PlaneBufferGeometry( 64, 64, 255, 255 );
geometry.applyMatrix( new THREE.Matrix4().makeRotationX( -0.5 * Math.PI ) );
vertices = geometry.attributes.position.array;
material3D = new THREE.MeshNormalMaterial( { side: 2 } );
heightMesh = new THREE.Mesh( geometry, material3D );
heightMesh.position.y = heightMeshYPosition;
scene.add( heightMesh );
heightmapWindow = document.createElement( 'img' );
// document.body.appendChild( heightmapWindow );
// heightmapWindow.style.cssText = 'position: absolute; top: 0; z-index: -50;';
heightmapWindow.crossOrigin = 'Anonymous';
heightmapWindow.onload = initTerrain;
getGazetteerMoon();
}
function getGazetteerMoon() {
var data = requestGazetteer( gazetteerFile );
var xmlHttp;
function requestGazetteer( fileName ) {
xmlHttp = new XMLHttpRequest();
xmlHttp.open( 'GET', fileName, true );
xmlHttp.onreadystatechange = callbackGazetteer;
xmlHttp.send( null );
}
function callbackGazetteer() {
if ( xmlHttp.readyState != 4 ) { return; }
var response = xmlHttp.responseText;
var lines = response.split(/\r\n|\n/);
gazetteer = [ ['select destination'] ];
for ( var i = 0, place; i < lines.length; i++ ) {
place = lines[i].split( ',' );
gazetteer.push( [ place[0], parseFloat( place[ 1 ] ), parseFloat( place[ 2 ] ), parseFloat( place[ 3 ] ) ] );
if ( parseFloat( place[ 1 ] ) > minPlaceRadiusToDisplay ) {
drawSprite( place[ 0 ], 0.15, 120, parseFloat( place[ 2 ] ) - 0.5 * mapWidth, placardYPosition, parseFloat( place[ 3 ] ) - 0.5 * mapHeight);
}
}
for ( var i = 0, place; i < lines.length; i++ ) {
selPlace.appendChild( document.createElement( 'option' ) );
selPlace.children[ i ].text = gazetteer[ i ][ 0 ];
}
selPlace.selectedIndex = selectedPlace;
selPlace.onchange = function() {
var nextPlace = gazetteer[ this.selectedIndex ];
centerX = nextPlace[ 2 ];
centerZ = nextPlace[ 3 ];
drawSprite( nextPlace[ 0 ], 0.15, 120, nextPlace[ 2 ] - 0.5 * mapWidth, placardYPosition, nextPlace[ 3 ] - 0.5 * mapHeight);
doIt();
canvas.focus();
butZoomIn.onclick();
};
selPlace.onchange();
}
}
function doIt() {
var diff = centerX > 2880 ? -45 : 45;
tileX = Math.floor( 90 * centerX / mapWidth ) + diff;
tileY = Math.floor( 45 * centerZ / mapHeight );
heightmapImage = heightMapsFolder + tileX + name + tileX + '-' + tileY + '.png'; // 23040 x 11520
heightmapWindow.src = heightmapImage;
}
function initTerrain() {
// heightmapContext.drawImage( heightmapWindow, 0, 0, heightMeshWidth, heightMeshHeight, 0, 0, heightMeshWidth, heightMeshHeight );
heightmapContext.drawImage( heightmapWindow, 0, 0, 256, 256, 0, 0, 256, 256 );
canvas.width = 256; //heightMeshWidth;
canvas.height = 256; // heightMeshHeight;
context = canvas.getContext( '2d' );
/*
if ( centerX < halfHMWidth ) {
context.drawImage( heightmapWindow, centerX - 128 + halfHMWidth, centerZ - 128, 256, 256, 0, 0, 256, 256 );
} else {
context.drawImage( heightmapWindow, centerX - 128 - halfHMWidth, centerZ - 128, 256, 256, 0, 0, 256, 256 );
}
context.drawImage( heightmapWindow, 0, 0, heightMeshWidth, heightMeshHeight, 0, 0, heightMeshWidth, heightMeshHeight );
map = context.getImageData( 0, 0, heightMeshWidth, heightMeshHeight ).data;
*/
context.drawImage( heightmapWindow, 0, 0, 256, 256, 0, 0, 256, 256 );
map = context.getImageData( 0, 0, 256, 256 ).data;
// var scl = scaleAdjust * scale;
for ( var i = 1, j = 0; i < vertices.length; i += 3, j += 4 ) {
elevation = map[ j ] + 255 * map[ j + 1 ];
vertices[ i ] = scl * elevation ;
}
heightMesh.geometry = geometry.clone();
heightMesh.geometry.computeFaceNormals();
heightMesh.geometry.computeVertexNormals();
// diff = tileX < 45 ? - 0.5 * mapWidth : -mapWidth;
diff = tileX < 45 ? 0 : -mapWidth;
xx = tileX * ( mapWidth / 90 ) + 32 + diff;
yy = tileY * ( mapHeight / 45 ) - 0.5 * mapHeight + 32;
drawSprite( tileX + ' - ' + tileY, 0.25, 200, xx, 250, yy );
heightMesh.position.set( xx, heightMeshYPosition, yy);
diff = controls.target.clone().sub( camera.position );
controls.target.set( centerX - halfMapWidth, heightMeshYPosition + 50, centerZ - halfMapHeight);
pos = controls.target.clone().sub( diff );
camera.position.set( pos.x, pos.y, pos.z );
}
// draw placards
function drawSprite( text, scale, color, x, y, z ) {
texture = canvasMultilineText( text, { backgroundColor: color } );
texture.minFilter = texture.magFilter = THREE.NearestFilter;
var spriteMaterial = new THREE.SpriteMaterial( { map: texture, opacity: 0.9, transparent: true } );
var sprite = new THREE.Sprite( spriteMaterial );
sprite.position.set( x, y, z ) ;
sprite.scale.set( scale * texture.image.width, scale * texture.image.height );
scene.add ( sprite );
var geometry = new THREE.Geometry();
geometry.vertices = [ v( x, 0, z ), v( x, y, z ) ];
material = new THREE.LineBasicMaterial( { color: 0xaaaaaa } );
line = new THREE.Line( geometry, material );
scene.add( line );
}
function canvasMultilineText( textArray, parameters ) {
var parameters = parameters || {} ;
var canvas = document.createElement( 'canvas' );
var context = canvas.getContext( '2d' );
if ( typeof textArray === 'string' ) textArray = [ textArray ];
context.font = parameters.font ? parameters.font : '48px sans-serif';
var width = 0;
for (var i = 0, len = textArray.length; i < len; i++) {
width = context.measureText( textArray[i] ).width > width ? context.measureText( textArray[i] ).width : width;
}
canvas.width = width + 20; // 480
canvas.height = textArray.length * 60;
col = parameters.backgroundColor ? parameters.backgroundColor : 120 ;
context.fillStyle = 'hsl( ' + col + ', 80%, 50% )' ;
context.fillRect( 0, 0, canvas.width, canvas.height);
context.lineWidth = 1 ;
context.strokeStyle = '#000';
context.strokeRect( 0, 0, canvas.width, canvas.height);
context.fillStyle = '#000' ;
context.font = parameters.font ? parameters.font : '48px sans-serif';
for (var i = 0, len = textArray.length; i < len; i++) {
context.fillText( textArray[i], 10, 48 + i * 60 );
}
var texture = new THREE.Texture( canvas );
texture.minFilter = texture.magFilter = THREE.NearestFilter;
texture.needsUpdate = true;
return texture;
}
// cursor keys
function goNorth() {
centerZ -= delta;
centerZ = centerZ <= 128 ? 128 : centerZ;
doIt();
// initTerrain();
}
function goSouth() {
centerZ += delta;
centerZ = centerZ >= mapHeight - 128 ? mapHeight - 128 : centerZ;
doIt();
// initTerrain();
}
function goEast() {
centerX += delta;
centerX = centerX < mapWidth ? centerX : 0;
/*
diff = heightMeshWidth / 2;
if ( centerX < mapWidth - diff ) {
if ( centerX > halfHMWidth - diff && centerX < halfHMWidth ) {
centerX = halfHMWidth + diff;
}
} else {
centerX = - diff ;
}
*/
doIt();
// initTerrain();
}
function goWest() {
centerX -= delta;
centerX = centerX < 0 ? mapWidth - delta : centerX;
/*
diff = heightMeshWidth / 2;
if ( centerX > diff ) {
if ( centerX > halfHMWidth && centerX < halfHMWidth + diff ) {
centerX = halfHMWidth - diff;
}
} else {
centerX = mapWidth - diff
}
*/
doIt();
// initTerrain();
}
function onKeyUp ( event ) {
event.preventDefault();
//console.log( 'key', event.keyCode );
switch( event.keyCode ) {
case 37: /* cursor left */ goWest(); break;
case 39: /* cursor right */ goEast(); break;
case 38: /* cursor up */ goNorth(); break;
case 40: /* cursor down */ goSouth(); break;
}
}
function slideHamburger() {
hamburger.style.left = hamburger.style.left === '320px' ? 0 : '320px';
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function v( x, y, z){ return new THREE.Vector3( x, y, z ); }
function animate() {
requestAnimationFrame( animate );
controls.update();
stats.update();
renderer.render( scene, camera );
}
</script>
</body>
</html>