mirror of
https://github.com/BlueMap-Minecraft/BlueMap.git
synced 2024-09-27 14:52:57 +02:00
232 lines
5.5 KiB
JavaScript
232 lines
5.5 KiB
JavaScript
/**
|
|
* @author mrdoob / http://mrdoob.com/
|
|
*
|
|
* adapted for bluemap's purposes
|
|
*/
|
|
|
|
import {
|
|
Matrix4,
|
|
Object3D, Vector2,
|
|
Vector3
|
|
} from "three";
|
|
import {dispatchEvent} from "./Utils";
|
|
|
|
class CSS2DObject extends Object3D {
|
|
|
|
constructor(element) {
|
|
super();
|
|
|
|
this.element = document.createElement("div");
|
|
let parent = element.parentNode;
|
|
parent.replaceChild(this.element, element);
|
|
this.element.appendChild(element);
|
|
|
|
this.element.style.position = 'absolute';
|
|
|
|
this.anchor = new Vector2();
|
|
|
|
this.events = null;
|
|
|
|
this.addEventListener('removed', function () {
|
|
|
|
this.traverse(function (object) {
|
|
|
|
if (object.element instanceof Element && object.element.parentNode !== null) {
|
|
|
|
object.element.parentNode.removeChild(object.element);
|
|
|
|
}
|
|
|
|
});
|
|
|
|
});
|
|
|
|
let lastClick = -1;
|
|
let handleClick = event => {
|
|
let doubleTap = false;
|
|
|
|
let now = Date.now();
|
|
if (now - lastClick < 500) {
|
|
doubleTap = true;
|
|
}
|
|
|
|
lastClick = now;
|
|
|
|
let data = {doubleTap: doubleTap};
|
|
|
|
if (this.onClick({event: event, data: data})) {
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
} else {
|
|
// fire event
|
|
dispatchEvent(this.events, "bluemapMapInteraction", {
|
|
data: data,
|
|
object: this,
|
|
});
|
|
}
|
|
}
|
|
|
|
this.element.addEventListener("click", handleClick);
|
|
this.element.addEventListener("touch", handleClick);
|
|
}
|
|
|
|
}
|
|
|
|
//
|
|
|
|
var CSS2DRenderer = function (events = null) {
|
|
|
|
var _this = this;
|
|
|
|
var _width, _height;
|
|
var _widthHalf, _heightHalf;
|
|
|
|
var vector = new Vector3();
|
|
var viewMatrix = new Matrix4();
|
|
var viewProjectionMatrix = new Matrix4();
|
|
|
|
var cache = {
|
|
objects: new WeakMap()
|
|
};
|
|
|
|
var domElement = document.createElement( 'div' );
|
|
domElement.style.overflow = 'hidden';
|
|
|
|
this.domElement = domElement;
|
|
|
|
this.events = events;
|
|
|
|
this.getSize = function () {
|
|
|
|
return {
|
|
width: _width,
|
|
height: _height
|
|
};
|
|
|
|
};
|
|
|
|
this.setSize = function ( width, height ) {
|
|
|
|
_width = width;
|
|
_height = height;
|
|
|
|
_widthHalf = _width / 2;
|
|
_heightHalf = _height / 2;
|
|
|
|
domElement.style.width = width + 'px';
|
|
domElement.style.height = height + 'px';
|
|
|
|
};
|
|
|
|
var renderObject = function ( object, scene, camera, parentVisible ) {
|
|
|
|
if ( object instanceof CSS2DObject ) {
|
|
|
|
object.events = _this.events;
|
|
|
|
object.onBeforeRender( _this, scene, camera );
|
|
|
|
vector.setFromMatrixPosition( object.matrixWorld );
|
|
vector.applyMatrix4( viewProjectionMatrix );
|
|
|
|
var element = object.element;
|
|
var style = 'translate(' + ( vector.x * _widthHalf + _widthHalf - object.anchor.x) + 'px,' + ( - vector.y * _heightHalf + _heightHalf - object.anchor.y ) + 'px)';
|
|
|
|
element.style.WebkitTransform = style;
|
|
element.style.MozTransform = style;
|
|
element.style.oTransform = style;
|
|
element.style.transform = style;
|
|
|
|
element.style.display = ( parentVisible && object.visible && vector.z >= - 1 && vector.z <= 1 && element.style.opacity !== "0" ) ? '' : 'none';
|
|
|
|
var objectData = {
|
|
distanceToCameraSquared: getDistanceToSquared( camera, object )
|
|
};
|
|
|
|
cache.objects.set( object, objectData );
|
|
|
|
if ( element.parentNode !== domElement ) {
|
|
|
|
domElement.appendChild( element );
|
|
|
|
}
|
|
|
|
object.onAfterRender( _this, scene, camera );
|
|
|
|
}
|
|
|
|
for ( var i = 0, l = object.children.length; i < l; i ++ ) {
|
|
|
|
renderObject( object.children[ i ], scene, camera, parentVisible && object.visible );
|
|
|
|
}
|
|
|
|
};
|
|
|
|
var getDistanceToSquared = function () {
|
|
|
|
var a = new Vector3();
|
|
var b = new Vector3();
|
|
|
|
return function ( object1, object2 ) {
|
|
|
|
a.setFromMatrixPosition( object1.matrixWorld );
|
|
b.setFromMatrixPosition( object2.matrixWorld );
|
|
|
|
return a.distanceToSquared( b );
|
|
|
|
};
|
|
|
|
}();
|
|
|
|
var filterAndFlatten = function ( scene ) {
|
|
|
|
var result = [];
|
|
|
|
scene.traverse( function ( object ) {
|
|
|
|
if ( object instanceof CSS2DObject ) result.push( object );
|
|
|
|
} );
|
|
|
|
return result;
|
|
|
|
};
|
|
|
|
var zOrder = function ( scene ) {
|
|
|
|
var sorted = filterAndFlatten( scene ).sort( function ( a, b ) {
|
|
|
|
var distanceA = cache.objects.get( a ).distanceToCameraSquared;
|
|
var distanceB = cache.objects.get( b ).distanceToCameraSquared;
|
|
|
|
return distanceA - distanceB;
|
|
|
|
} );
|
|
|
|
var zMax = sorted.length;
|
|
|
|
for ( var i = 0, l = sorted.length; i < l; i ++ ) {
|
|
|
|
sorted[ i ].element.style.zIndex = zMax - i;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
this.render = function ( scene, camera ) {
|
|
|
|
if ( scene.matrixWorldAutoUpdate === true ) scene.updateMatrixWorld();
|
|
if ( camera.parent === null ) camera.updateMatrixWorld();
|
|
|
|
viewMatrix.copy( camera.matrixWorldInverse );
|
|
viewProjectionMatrix.multiplyMatrices( camera.projectionMatrix, viewMatrix );
|
|
|
|
renderObject( scene, scene, camera, true );
|
|
zOrder( scene );
|
|
|
|
};
|
|
|
|
};
|
|
|
|
export { CSS2DObject, CSS2DRenderer }; |