Initial commit

This commit is contained in:
2020-01-08 22:02:48 +01:00
commit 40db946939
43 changed files with 88131 additions and 0 deletions
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class Bookmark extends THREE.Object3D {
constructor(position, target, scale = 500.0) {
super();
position = new THREE.Vector3().copy(position);
target = new THREE.Vector3().copy(target);
this.position.copy(position);
this.target = new THREE.Vector3().copy(target);
this.t = 0;
let material = new THREE.LineBasicMaterial({
color: 0xffffff,
linewidth: 3,
});
let geometry = new THREE.Geometry();
let direction = this.target.clone().sub(position).normalize().multiplyScalar(this.length());
geometry.vertices.push(new THREE.Vector3(0.0, -1000000.0, 0.0));
geometry.vertices.push(new THREE.Vector3(0.0, 0.0, 0.0));
this.line = new THREE.Line(geometry, material);
this.add(this.line);
this.numberOfPoints = 20;
this.createCircle();
this._shining = false;
this.t = 0;
}
createCircle() {
let map = new THREE.TextureLoader().load("assets/eye.png");
let material = new THREE.SpriteMaterial({
map: map,
color: 0xfffffff,
transparent: true,
});
let geometry = new THREE.Geometry();
this.circle = new THREE.Sprite(material);
this.add(this.circle);
}
length() {
return 25 * (Math.cos(this.t) + 5);
}
get shining() {
return this._shining;
}
set shining(other) {
this._shining = other;
if (!other) {
this.circle.material.color = new THREE.Color(1, 1, 1);
this.line.material.color = new THREE.Color(1, 1, 1);
}
}
update(camera) {
// super.update(camera);
/// assert(camera instanceof THREE.Camera);
let distance = this.localToWorld(this.position.clone()).distanceTo(camera.position);
this.t += 0.05;
let l = this.length();
this.circle.scale.x = l * Math.log(1 + distance);
this.circle.scale.y = l * Math.log(1 + distance);
this.circle.scale.z = l * Math.log(1 + distance);
this.line.geometry.vertices[1].y = -this.circle.scale.x / 2;
this.line.geometry.verticesNeedUpdate = true;
if (this.shining) {
let value = (1 + Math.cos(Math.PI / 2 + this.t * 2)) / 2;
this.circle.material.color = new THREE.Color(1 - value, value, 0);
this.line.material.color = new THREE.Color(1 - value, value, 0);
}
}
}
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/**
* Loads a Wavefront .mtl file specifying materials
*
* @author angelxuanchang
*/
THREE.MTLLoader = function ( manager ) {
THREE.Loader.call( this, manager );
};
THREE.MTLLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype ), {
constructor: THREE.MTLLoader,
/**
* Loads and parses a MTL asset from a URL.
*
* @param {String} url - URL to the MTL file.
* @param {Function} [onLoad] - Callback invoked with the loaded object.
* @param {Function} [onProgress] - Callback for download progress.
* @param {Function} [onError] - Callback for download errors.
*
* @see setPath setResourcePath
*
* @note In order for relative texture references to resolve correctly
* you must call setResourcePath() explicitly prior to load.
*/
load: function ( url, onLoad, onProgress, onError ) {
var scope = this;
var path = ( this.path === '' ) ? THREE.LoaderUtils.extractUrlBase( url ) : this.path;
var loader = new THREE.FileLoader( this.manager );
loader.setPath( this.path );
loader.load( url, function ( text ) {
onLoad( scope.parse( text, path ) );
}, onProgress, onError );
},
setMaterialOptions: function ( value ) {
this.materialOptions = value;
return this;
},
/**
* Parses a MTL file.
*
* @param {String} text - Content of MTL file
* @return {THREE.MTLLoader.MaterialCreator}
*
* @see setPath setResourcePath
*
* @note In order for relative texture references to resolve correctly
* you must call setResourcePath() explicitly prior to parse.
*/
parse: function ( text, path ) {
var lines = text.split( '\n' );
var info = {};
var delimiter_pattern = /\s+/;
var materialsInfo = {};
for ( var i = 0; i < lines.length; i ++ ) {
var line = lines[ i ];
line = line.trim();
if ( line.length === 0 || line.charAt( 0 ) === '#' ) {
// Blank line or comment ignore
continue;
}
var pos = line.indexOf( ' ' );
var key = ( pos >= 0 ) ? line.substring( 0, pos ) : line;
key = key.toLowerCase();
var value = ( pos >= 0 ) ? line.substring( pos + 1 ) : '';
value = value.trim();
if ( key === 'newmtl' ) {
// New material
info = { name: value };
materialsInfo[ value ] = info;
} else {
if ( key === 'ka' || key === 'kd' || key === 'ks' || key === 'ke' ) {
var ss = value.split( delimiter_pattern, 3 );
info[ key ] = [ parseFloat( ss[ 0 ] ), parseFloat( ss[ 1 ] ), parseFloat( ss[ 2 ] ) ];
} else {
info[ key ] = value;
}
}
}
var materialCreator = new THREE.MTLLoader.MaterialCreator( this.resourcePath || path, this.materialOptions );
materialCreator.setCrossOrigin( this.crossOrigin );
materialCreator.setManager( this.manager );
materialCreator.setMaterials( materialsInfo );
return materialCreator;
}
} );
/**
* Create a new THREE.MTLLoader.MaterialCreator
* @param baseUrl - Url relative to which textures are loaded
* @param options - Set of options on how to construct the materials
* side: Which side to apply the material
* THREE.FrontSide (default), THREE.BackSide, THREE.DoubleSide
* wrap: What type of wrapping to apply for textures
* THREE.RepeatWrapping (default), THREE.ClampToEdgeWrapping, THREE.MirroredRepeatWrapping
* normalizeRGB: RGBs need to be normalized to 0-1 from 0-255
* Default: false, assumed to be already normalized
* ignoreZeroRGBs: Ignore values of RGBs (Ka,Kd,Ks) that are all 0's
* Default: false
* @constructor
*/
THREE.MTLLoader.MaterialCreator = function ( baseUrl, options ) {
this.baseUrl = baseUrl || '';
this.options = options;
this.materialsInfo = {};
this.materials = {};
this.materialsArray = [];
this.nameLookup = {};
this.side = ( this.options && this.options.side ) ? this.options.side : THREE.FrontSide;
this.wrap = ( this.options && this.options.wrap ) ? this.options.wrap : THREE.RepeatWrapping;
};
THREE.MTLLoader.MaterialCreator.prototype = {
constructor: THREE.MTLLoader.MaterialCreator,
crossOrigin: 'anonymous',
setCrossOrigin: function ( value ) {
this.crossOrigin = value;
return this;
},
setManager: function ( value ) {
this.manager = value;
},
setMaterials: function ( materialsInfo ) {
this.materialsInfo = this.convert( materialsInfo );
this.materials = {};
this.materialsArray = [];
this.nameLookup = {};
},
convert: function ( materialsInfo ) {
if ( ! this.options ) return materialsInfo;
var converted = {};
for ( var mn in materialsInfo ) {
// Convert materials info into normalized form based on options
var mat = materialsInfo[ mn ];
var covmat = {};
converted[ mn ] = covmat;
for ( var prop in mat ) {
var save = true;
var value = mat[ prop ];
var lprop = prop.toLowerCase();
switch ( lprop ) {
case 'kd':
case 'ka':
case 'ks':
// Diffuse color (color under white light) using RGB values
if ( this.options && this.options.normalizeRGB ) {
value = [ value[ 0 ] / 255, value[ 1 ] / 255, value[ 2 ] / 255 ];
}
if ( this.options && this.options.ignoreZeroRGBs ) {
if ( value[ 0 ] === 0 && value[ 1 ] === 0 && value[ 2 ] === 0 ) {
// ignore
save = false;
}
}
break;
default:
break;
}
if ( save ) {
covmat[ lprop ] = value;
}
}
}
return converted;
},
preload: function () {
for ( var mn in this.materialsInfo ) {
this.create( mn );
}
},
getIndex: function ( materialName ) {
return this.nameLookup[ materialName ];
},
getAsArray: function () {
var index = 0;
for ( var mn in this.materialsInfo ) {
this.materialsArray[ index ] = this.create( mn );
this.nameLookup[ mn ] = index;
index ++;
}
return this.materialsArray;
},
create: function ( materialName ) {
if ( this.materials[ materialName ] === undefined ) {
this.createMaterial_( materialName );
}
return this.materials[ materialName ];
},
createMaterial_: function ( materialName ) {
// Create material
var scope = this;
var mat = this.materialsInfo[ materialName ];
var params = {
name: materialName,
side: this.side
};
function resolveURL( baseUrl, url ) {
if ( typeof url !== 'string' || url === '' )
return '';
// Absolute URL
if ( /^https?:\/\//i.test( url ) ) return url;
return baseUrl + url;
}
function setMapForType( mapType, value ) {
if ( params[ mapType ] ) return; // Keep the first encountered texture
var texParams = scope.getTextureParams( value, params );
var map = scope.loadTexture( resolveURL( scope.baseUrl, texParams.url ) );
map.repeat.copy( texParams.scale );
map.offset.copy( texParams.offset );
map.wrapS = scope.wrap;
map.wrapT = scope.wrap;
params[ mapType ] = map;
}
for ( var prop in mat ) {
var value = mat[ prop ];
var n;
if ( value === '' ) continue;
switch ( prop.toLowerCase() ) {
// Ns is material specular exponent
case 'kd':
// Diffuse color (color under white light) using RGB values
params.color = new THREE.Color().fromArray( value );
break;
case 'ks':
// Specular color (color when light is reflected from shiny surface) using RGB values
params.specular = new THREE.Color().fromArray( value );
break;
case 'ke':
// Emissive using RGB values
params.emissive = new THREE.Color().fromArray( value );
break;
case 'map_kd':
// Diffuse texture map
setMapForType( "map", value );
break;
case 'map_ks':
// Specular map
setMapForType( "specularMap", value );
break;
case 'map_ke':
// Emissive map
setMapForType( "emissiveMap", value );
break;
case 'norm':
setMapForType( "normalMap", value );
break;
case 'map_bump':
case 'bump':
// Bump texture map
setMapForType( "bumpMap", value );
break;
case 'map_d':
// Alpha map
setMapForType( "alphaMap", value );
params.transparent = true;
break;
case 'ns':
// The specular exponent (defines the focus of the specular highlight)
// A high exponent results in a tight, concentrated highlight. Ns values normally range from 0 to 1000.
params.shininess = parseFloat( value );
break;
case 'd':
n = parseFloat( value );
if ( n < 1 ) {
params.opacity = n;
params.transparent = true;
}
break;
case 'tr':
n = parseFloat( value );
if ( this.options && this.options.invertTrProperty ) n = 1 - n;
if ( n > 0 ) {
params.opacity = 1 - n;
params.transparent = true;
}
break;
default:
break;
}
}
this.materials[ materialName ] = new THREE.MeshPhongMaterial( params );
return this.materials[ materialName ];
},
getTextureParams: function ( value, matParams ) {
var texParams = {
scale: new THREE.Vector2( 1, 1 ),
offset: new THREE.Vector2( 0, 0 )
};
var items = value.split( /\s+/ );
var pos;
pos = items.indexOf( '-bm' );
if ( pos >= 0 ) {
matParams.bumpScale = parseFloat( items[ pos + 1 ] );
items.splice( pos, 2 );
}
pos = items.indexOf( '-s' );
if ( pos >= 0 ) {
texParams.scale.set( parseFloat( items[ pos + 1 ] ), parseFloat( items[ pos + 2 ] ) );
items.splice( pos, 4 ); // we expect 3 parameters here!
}
pos = items.indexOf( '-o' );
if ( pos >= 0 ) {
texParams.offset.set( parseFloat( items[ pos + 1 ] ), parseFloat( items[ pos + 2 ] ) );
items.splice( pos, 4 ); // we expect 3 parameters here!
}
texParams.url = items.join( ' ' ).trim();
return texParams;
},
loadTexture: function ( url, mapping, onLoad, onProgress, onError ) {
var texture;
var manager = ( this.manager !== undefined ) ? this.manager : THREE.DefaultLoadingManager;
var loader = manager.getHandler( url );
if ( loader === null ) {
loader = new THREE.TextureLoader( manager );
}
if ( loader.setCrossOrigin ) loader.setCrossOrigin( this.crossOrigin );
texture = loader.load( url, onLoad, onProgress, onError );
if ( mapping !== undefined ) texture.mapping = mapping;
return texture;
}
};
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/**
* @author mrdoob / http://mrdoob.com/
*/
THREE.OBJLoader = ( function () {
// o object_name | g group_name
var object_pattern = /^[og]\s*(.+)?/;
// mtllib file_reference
var material_library_pattern = /^mtllib /;
// usemtl material_name
var material_use_pattern = /^usemtl /;
// usemap map_name
var map_use_pattern = /^usemap /;
function ParserState() {
var state = {
objects: [],
object: {},
vertices: [],
normals: [],
colors: [],
uvs: [],
materialLibraries: [],
startObject: function ( name, fromDeclaration ) {
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
if ( this.object && this.object.fromDeclaration === false ) {
this.object.name = name;
this.object.fromDeclaration = ( fromDeclaration !== false );
return;
}
var previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
this.object = {
name: name || '',
fromDeclaration: ( fromDeclaration !== false ),
geometry: {
vertices: [],
normals: [],
colors: [],
uvs: []
},
materials: [],
smooth: true,
startMaterial: function ( name, libraries ) {
var previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
var material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
var cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
},
currentMaterial: function () {
if ( this.materials.length > 0 ) {
return this.materials[ this.materials.length - 1 ];
}
return undefined;
},
_finalize: function ( end ) {
var lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( var mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
};
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {
var declared = previousMaterial.clone( 0 );
declared.inherited = true;
this.object.materials.push( declared );
}
this.objects.push( this.object );
},
finalize: function () {
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
},
parseVertexIndex: function ( value, len ) {
var index = parseInt( value, 10 );
return ( index >= 0 ? index - 1 : index + len / 3 ) * 3;
},
parseNormalIndex: function ( value, len ) {
var index = parseInt( value, 10 );
return ( index >= 0 ? index - 1 : index + len / 3 ) * 3;
},
parseUVIndex: function ( value, len ) {
var index = parseInt( value, 10 );
return ( index >= 0 ? index - 1 : index + len / 2 ) * 2;
},
addVertex: function ( a, b, c ) {
var src = this.vertices;
var dst = this.object.geometry.vertices;
dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
},
addVertexPoint: function ( a ) {
var src = this.vertices;
var dst = this.object.geometry.vertices;
dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
},
addVertexLine: function ( a ) {
var src = this.vertices;
var dst = this.object.geometry.vertices;
dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
},
addNormal: function ( a, b, c ) {
var src = this.normals;
var dst = this.object.geometry.normals;
dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
},
addColor: function ( a, b, c ) {
var src = this.colors;
var dst = this.object.geometry.colors;
dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
},
addUV: function ( a, b, c ) {
var src = this.uvs;
var dst = this.object.geometry.uvs;
dst.push( src[ a + 0 ], src[ a + 1 ] );
dst.push( src[ b + 0 ], src[ b + 1 ] );
dst.push( src[ c + 0 ], src[ c + 1 ] );
},
addUVLine: function ( a ) {
var src = this.uvs;
var dst = this.object.geometry.uvs;
dst.push( src[ a + 0 ], src[ a + 1 ] );
},
addFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {
var vLen = this.vertices.length;
var ia = this.parseVertexIndex( a, vLen );
var ib = this.parseVertexIndex( b, vLen );
var ic = this.parseVertexIndex( c, vLen );
this.addVertex( ia, ib, ic );
if ( this.colors.length > 0 ) {
this.addColor( ia, ib, ic );
}
if ( ua !== undefined && ua !== '' ) {
var uvLen = this.uvs.length;
ia = this.parseUVIndex( ua, uvLen );
ib = this.parseUVIndex( ub, uvLen );
ic = this.parseUVIndex( uc, uvLen );
this.addUV( ia, ib, ic );
}
if ( na !== undefined && na !== '' ) {
// Normals are many times the same. If so, skip function call and parseInt.
var nLen = this.normals.length;
ia = this.parseNormalIndex( na, nLen );
ib = na === nb ? ia : this.parseNormalIndex( nb, nLen );
ic = na === nc ? ia : this.parseNormalIndex( nc, nLen );
this.addNormal( ia, ib, ic );
}
},
addPointGeometry: function ( vertices ) {
this.object.geometry.type = 'Points';
var vLen = this.vertices.length;
for ( var vi = 0, l = vertices.length; vi < l; vi ++ ) {
this.addVertexPoint( this.parseVertexIndex( vertices[ vi ], vLen ) );
}
},
addLineGeometry: function ( vertices, uvs ) {
this.object.geometry.type = 'Line';
var vLen = this.vertices.length;
var uvLen = this.uvs.length;
for ( var vi = 0, l = vertices.length; vi < l; vi ++ ) {
this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );
}
for ( var uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {
this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );
}
}
};
state.startObject( '', false );
return state;
}
//
function OBJLoader( manager ) {
THREE.Loader.call( this, manager );
this.materials = null;
}
OBJLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype ), {
constructor: OBJLoader,
load: function ( url, onLoad, onProgress, onError ) {
var scope = this;
var loader = new THREE.FileLoader( scope.manager );
loader.setPath( this.path );
loader.load( url, function ( text ) {
onLoad( scope.parse( text ) );
}, onProgress, onError );
},
setMaterials: function ( materials ) {
this.materials = materials;
return this;
},
parse: function ( text ) {
console.time( 'OBJLoader' );
var state = new ParserState();
if ( text.indexOf( '\r\n' ) !== - 1 ) {
// This is faster than String.split with regex that splits on both
text = text.replace( /\r\n/g, '\n' );
}
if ( text.indexOf( '\\\n' ) !== - 1 ) {
// join lines separated by a line continuation character (\)
text = text.replace( /\\\n/g, '' );
}
var lines = text.split( '\n' );
var line = '', lineFirstChar = '';
var lineLength = 0;
var result = [];
// Faster to just trim left side of the line. Use if available.
var trimLeft = ( typeof ''.trimLeft === 'function' );
for ( var i = 0, l = lines.length; i < l; i ++ ) {
line = lines[ i ];
line = trimLeft ? line.trimLeft() : line.trim();
lineLength = line.length;
if ( lineLength === 0 ) continue;
lineFirstChar = line.charAt( 0 );
// @todo invoke passed in handler if any
if ( lineFirstChar === '#' ) continue;
if ( lineFirstChar === 'v' ) {
var data = line.split( /\s+/ );
switch ( data[ 0 ] ) {
case 'v':
state.vertices.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] ),
parseFloat( data[ 3 ] )
);
if ( data.length >= 7 ) {
state.colors.push(
parseFloat( data[ 4 ] ),
parseFloat( data[ 5 ] ),
parseFloat( data[ 6 ] )
);
}
break;
case 'vn':
state.normals.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] ),
parseFloat( data[ 3 ] )
);
break;
case 'vt':
state.uvs.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] )
);
break;
}
} else if ( lineFirstChar === 'f' ) {
var lineData = line.substr( 1 ).trim();
var vertexData = lineData.split( /\s+/ );
var faceVertices = [];
// Parse the face vertex data into an easy to work with format
for ( var j = 0, jl = vertexData.length; j < jl; j ++ ) {
var vertex = vertexData[ j ];
if ( vertex.length > 0 ) {
var vertexParts = vertex.split( '/' );
faceVertices.push( vertexParts );
}
}
// Draw an edge between the first vertex and all subsequent vertices to form an n-gon
var v1 = faceVertices[ 0 ];
for ( var j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {
var v2 = faceVertices[ j ];
var v3 = faceVertices[ j + 1 ];
state.addFace(
v1[ 0 ], v2[ 0 ], v3[ 0 ],
v1[ 1 ], v2[ 1 ], v3[ 1 ],
v1[ 2 ], v2[ 2 ], v3[ 2 ]
);
}
} else if ( lineFirstChar === 'l' ) {
var lineParts = line.substring( 1 ).trim().split( " " );
var lineVertices = [], lineUVs = [];
if ( line.indexOf( "/" ) === - 1 ) {
lineVertices = lineParts;
} else {
for ( var li = 0, llen = lineParts.length; li < llen; li ++ ) {
var parts = lineParts[ li ].split( "/" );
if ( parts[ 0 ] !== "" ) lineVertices.push( parts[ 0 ] );
if ( parts[ 1 ] !== "" ) lineUVs.push( parts[ 1 ] );
}
}
state.addLineGeometry( lineVertices, lineUVs );
} else if ( lineFirstChar === 'p' ) {
var lineData = line.substr( 1 ).trim();
var pointData = lineData.split( " " );
state.addPointGeometry( pointData );
} else if ( ( result = object_pattern.exec( line ) ) !== null ) {
// o object_name
// or
// g group_name
// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869
// var name = result[ 0 ].substr( 1 ).trim();
var name = ( " " + result[ 0 ].substr( 1 ).trim() ).substr( 1 );
state.startObject( name );
} else if ( material_use_pattern.test( line ) ) {
// material
state.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );
} else if ( material_library_pattern.test( line ) ) {
// mtl file
state.materialLibraries.push( line.substring( 7 ).trim() );
} else if ( map_use_pattern.test( line ) ) {
// the line is parsed but ignored since the loader assumes textures are defined MTL files
// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)
console.warn( 'THREE.OBJLoader: Rendering identifier "usemap" not supported. Textures must be defined in MTL files.' );
} else if ( lineFirstChar === 's' ) {
result = line.split( ' ' );
// smooth shading
// @todo Handle files that have varying smooth values for a set of faces inside one geometry,
// but does not define a usemtl for each face set.
// This should be detected and a dummy material created (later MultiMaterial and geometry groups).
// This requires some care to not create extra material on each smooth value for "normal" obj files.
// where explicit usemtl defines geometry groups.
// Example asset: examples/models/obj/cerberus/Cerberus.obj
/*
* http://paulbourke.net/dataformats/obj/
* or
* http://www.cs.utah.edu/~boulos/cs3505/obj_spec.pdf
*
* From chapter "Grouping" Syntax explanation "s group_number":
* "group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.
* Polygonal elements use group numbers to put elements in different smoothing groups. For free-form
* surfaces, smoothing groups are either turned on or off; there is no difference between values greater
* than 0."
*/
if ( result.length > 1 ) {
var value = result[ 1 ].trim().toLowerCase();
state.object.smooth = ( value !== '0' && value !== 'off' );
} else {
// ZBrush can produce "s" lines #11707
state.object.smooth = true;
}
var material = state.object.currentMaterial();
if ( material ) material.smooth = state.object.smooth;
} else {
// Handle null terminated files without exception
if ( line === '\0' ) continue;
throw new Error( 'THREE.OBJLoader: Unexpected line: "' + line + '"' );
}
}
state.finalize();
var container = new THREE.Group();
container.materialLibraries = [].concat( state.materialLibraries );
for ( var i = 0, l = state.objects.length; i < l; i ++ ) {
var object = state.objects[ i ];
var geometry = object.geometry;
var materials = object.materials;
var isLine = ( geometry.type === 'Line' );
var isPoints = ( geometry.type === 'Points' );
var hasVertexColors = false;
// Skip o/g line declarations that did not follow with any faces
if ( geometry.vertices.length === 0 ) continue;
var buffergeometry = new THREE.BufferGeometry();
buffergeometry.setAttribute( 'position', new THREE.Float32BufferAttribute( geometry.vertices, 3 ) );
if ( geometry.normals.length > 0 ) {
buffergeometry.setAttribute( 'normal', new THREE.Float32BufferAttribute( geometry.normals, 3 ) );
} else {
buffergeometry.computeVertexNormals();
}
if ( geometry.colors.length > 0 ) {
hasVertexColors = true;
buffergeometry.setAttribute( 'color', new THREE.Float32BufferAttribute( geometry.colors, 3 ) );
}
if ( geometry.uvs.length > 0 ) {
buffergeometry.setAttribute( 'uv', new THREE.Float32BufferAttribute( geometry.uvs, 2 ) );
}
// Create materials
var createdMaterials = [];
for ( var mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
var sourceMaterial = materials[ mi ];
var material = undefined;
if ( this.materials !== null ) {
material = this.materials.create( sourceMaterial.name );
// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.
if ( isLine && material && ! ( material instanceof THREE.LineBasicMaterial ) ) {
var materialLine = new THREE.LineBasicMaterial();
THREE.Material.prototype.copy.call( materialLine, material );
materialLine.color.copy( material.color );
material = materialLine;
} else if ( isPoints && material && ! ( material instanceof THREE.PointsMaterial ) ) {
var materialPoints = new THREE.PointsMaterial( { size: 10, sizeAttenuation: false } );
THREE.Material.prototype.copy.call( materialPoints, material );
materialPoints.color.copy( material.color );
materialPoints.map = material.map;
material = materialPoints;
}
}
if ( ! material ) {
if ( isLine ) {
material = new THREE.LineBasicMaterial();
} else if ( isPoints ) {
material = new THREE.PointsMaterial( { size: 1, sizeAttenuation: false } );
} else {
material = new THREE.MeshPhongMaterial();
}
material.name = sourceMaterial.name;
}
material.flatShading = sourceMaterial.smooth ? false : true;
material.vertexColors = hasVertexColors ? THREE.VertexColors : THREE.NoColors;
createdMaterials.push( material );
}
// Create mesh
var mesh;
if ( createdMaterials.length > 1 ) {
for ( var mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
var sourceMaterial = materials[ mi ];
buffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );
}
if ( isLine ) {
mesh = new THREE.LineSegments( buffergeometry, createdMaterials );
} else if ( isPoints ) {
mesh = new THREE.Points( buffergeometry, createdMaterials );
} else {
mesh = new THREE.Mesh( buffergeometry, createdMaterials );
}
} else {
if ( isLine ) {
mesh = new THREE.LineSegments( buffergeometry, createdMaterials[ 0 ] );
} else if ( isPoints ) {
mesh = new THREE.Points( buffergeometry, createdMaterials[ 0 ] );
} else {
mesh = new THREE.Mesh( buffergeometry, createdMaterials[ 0 ] );
}
}
mesh.name = object.name;
container.add( mesh );
}
console.timeEnd( 'OBJLoader' );
return container;
}
} );
return OBJLoader;
} )();
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class Controls {
constructor(object) {
// object is the object controlled by the controls, in our case, the camera.
this.object = object;
// 3D coordinates where the camera is looking at
this.target = new THREE.Vector3(0, 0, 0);
// Unit vectors of the local camera frame
// forward is in the z-direction
// left point towards the x-direction
// (a vector towards y is not necessary)
// in the direction of the angles
this.forward = new THREE.Vector3(0,0,0);
this.left = new THREE.Vector3(0,0,0);
// speed at which the camera will translate
this.speed = 50;
// speed at which the camera will rotate
this.sensitivity = 0.004;
// angles of the camera
this.angles = {
delta: 0,
theta: 0,
};
// the position of the camera is this.object.position
this.vectorsFromAngles();
// currently pressed keys
this.keys = {
up: false,
down: false,
left: false,
right: false,
};
// whether the mouse is being pressed or not
this.mouseClicked = false;
// whether there is a transition running or not
// if not, this.t is NaN
// otherwise, this.t is in [0, 1]
this.t = NaN;
// calls this.keyChange(true) when a key is pressed
document.addEventListener('keydown', this.keyChange(true));
// calls this.keyChange(false) when a key is released
document.addEventListener('keyup', this.keyChange(false));
// calls this.mouseDown(e) when a mouse button is pressed
document.addEventListener('mousedown', (e) => this.mouseDown(e));
// sets this.mouseClicked to false when a mouse button is released
document.addEventListener('mouseup', () => this.mouseClicked = false);
// calls this.mouseMove(e) when the mouse is moved
document.addEventListener('mousemove', (e) => this.mouseMove(e));
}
// rotates the camera to make it look to its target.
look() {
this.object.lookAt(this.target);
}
// updates this.forward, this.left and this.target
// from this.angles.delta and this.angles.theta
// this.forward is the vector moving direction
// this.left is the vector moving sideways to the left
// this.target is the point that the camera is looking
vectorsFromAngles() {
// TODO Part 1
}
// computes this.angles.delta and this.angles.theta from this.forward
// (may be useless)
anglesFromVectors() {
// TODO Part 2
}
// updates this.keys when a key is pressed or released
keyChange(setting) {
return (event) => {
switch (event.keyCode) {
case 37: case 81: this.keys.left = setting; break;
case 38: case 90: this.keys.up = setting; break;
case 39: case 68: this.keys.right = setting; break;
case 40: case 83: this.keys.down = setting; break;
case 13:
console.log("Position:", this.object.position);
console.log("Target:", this.target);
break;
}
};
}
// sets mouseClicked to true, and searches for a bookmark being clicked
mouseDown(event) {
this.mouseClicked = true;
let mouse = {
x: ( event.clientX / window.innerWidth ) * 2 - 1,
y: - ( event.clientY / window.innerHeight ) * 2 + 1,
};
// update the picking ray with the camera and mouse position
raycaster.setFromCamera(mouse, camera);
// calculate objects intersecting the picking ray
var intersects = raycaster.intersectObjects(scene.children, true);
if (this.testIntersection(intersects)) {
this.bookmarkClicked(intersects[0].object.parent);
}
}
// tests that a bookmark is clicked or not
//
// this function filters out other objects of the scene.
testIntersection(intersects) {
if (intersects.length === 0) {
return;
}
if (intersects[0].object === undefined) {
return;
}
if (! (intersects[0].object.parent instanceof Bookmark)) {
return;
}
if (this.object.position.distanceTo(intersects[0].object.parent.position) < 10) {
return;
}
this.bookmarkClicked(intersects[0].object.parent);
}
// initializes the paramters for the transition to a bookmark.
bookmarkClicked(bookmark) {
// TODO Part 2
}
// changes this.angles depending of event.movementX and event.movementY
//
// event.movementX indicates how many pixels the mouse has moved to the right
// event.movementY indicates how many piels the mouse has moved to the bottom
// both those values can be negative to indicate a motion in the opposite direction
mouseMove(event) {
// TODO Part 1
}
// called at every frame
update() {
// No transition : use keyboard and mouse to update the camera
if (isNaN(this.t)) {
// TODO Part 1
if (this.keys.up) {
// ...
}
} else {
// Transition to bookmark
// TODO Part 2
}
// update the camera parameters
this.look();
}
}
let container, controls;
let camera, scene, renderer;
let raycaster = new THREE.Raycaster();
init();
animate();
function init() {
container = document.createElement('div');
document.body.appendChild(container);
camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 100, 50000);
camera.position.y = 1000;
camera.position.z = 1000;
scene = new THREE.Scene();
let ambientLight = new THREE.AmbientLight(0xcccccc, 0.4);
scene.add(ambientLight);
let pointLight = new THREE.PointLight(0xffffff, 0.8);
camera.add(pointLight);
scene.add(camera);
let geometry = new THREE.PlaneGeometry(20000, 20000);
for (let index = 0; index < geometry.faceVertexUvs[0].length; index++) {
geometry.faceVertexUvs[0][index][0].multiplyScalar(10);
geometry.faceVertexUvs[0][index][1].multiplyScalar(10);
geometry.faceVertexUvs[0][index][2].multiplyScalar(10);
}
let texture = new THREE.TextureLoader().load('assets/windfall/water.png');
texture.wrapS = THREE.RepeatWrapping;
texture.wrapT = THREE.RepeatWrapping;
let material = new THREE.MeshBasicMaterial({map: texture});
let sea = new THREE.Mesh(geometry, material);
sea.rotation.x = -Math.PI / 2;
scene.add(sea);
// controls
controls = new Controls(camera);
// model
let directory = "assets/windfall/";
let modelName = "Windfall";
let onProgress = function (xhr) {
if (xhr.lengthComputable) {
let percentComplete = xhr.loaded / xhr.total * 100;
console.log(Math.round(percentComplete, 2) + '% downloaded');
}
};
let onError = function () { };
let manager = new THREE.LoadingManager();
new THREE.MTLLoader(manager)
.setPath(directory)
.load(modelName + ".mtl", function (materials) {
materials.preload();
new THREE.OBJLoader(manager)
.setMaterials(materials)
.setPath(directory)
.load(modelName + ".obj", function (object) {
scene.add(object);
}, onProgress, onError);
});
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setClearColor(new THREE.Color(0x87ceeb));
container.appendChild(renderer.domElement);
window.addEventListener('resize', onWindowResize, false);
// Add a bookmark to the scene
// let position = { x: -3089.6612461510463, y: 3944.8226721499614, z: -2409.0350261969947 };
// let target = { x: -3088.665295409939, y: 3944.824672148628, z: -2409.124904566436 };
// let bookmark = new Bookmark(position, target);
// scene.add(bookmark);
}
function animate() {
requestAnimationFrame(animate);
controls.update();
for (let child of scene.children) {
if (child instanceof Bookmark) {
child.update(camera);
}
}
renderer.render(scene, camera);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
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