diff --git a/index.html b/index.html
index 25a2808c..a13d9349 100644
--- a/index.html
+++ b/index.html
@@ -3383,7 +3383,7 @@
-
+
diff --git a/modules/ui/3d.js b/modules/ui/3d.js
index e8c9df9a..a52cd7da 100644
--- a/modules/ui/3d.js
+++ b/modules/ui/3d.js
@@ -13,13 +13,10 @@
const drawSVG = document.createElementNS("http://www.w3.org/2000/svg", "svg");
document.body.appendChild(drawSVG);
- let icons = [];
let labels = [];
- let states = [];
+ let icons = [];
let lines = [];
- const fontCache = {Georgia: "", "Times New Roman": "", "Comic Sans MS": "", "Lucida Sans Unicode": "", "Courier New": "", Verdana: "", Arial: "", Impact: ""}; // default are web-safe fonts
-
// initiate 3d scene
const create = async function (canvas, type = "viewMesh") {
options.isOn = true;
@@ -29,6 +26,7 @@
// redraw 3d scene
const redraw = function () {
+ deleteLabels();
scene.remove(mesh);
Renderer.setSize(Renderer.domElement.width, Renderer.domElement.height);
if (options.isGlobe) updateGlobeTexure();
@@ -73,24 +71,12 @@
const setScale = function (scale) {
options.scale = scale;
-
geometry.vertices.forEach((v, i) => (v.z = getMeshHeight(i)));
geometry.verticesNeedUpdate = true;
geometry.computeVertexNormals();
geometry.verticesNeedUpdate = false;
- // for (const textMesh of labels) {
- // raycaster.ray.origin.x = textMesh.position.x;
- // raycaster.ray.origin.z = textMesh.position.z;
- // textMesh.position.y = raycaster.intersectObject(mesh)[0].point.y + textMesh.elevation;
- // }
- // for (const iconMesh of iconMeshs) {
- // raycaster.ray.origin.x = iconMesh.position.x;
- // raycaster.ray.origin.z = iconMesh.position.z;
- // iconMesh.position.y = raycaster.intersectObject(mesh)[0].point.y;
- // }
-
- render();
+ redraw();
};
const setLightness = function (intensity) {
@@ -214,63 +200,27 @@
return true;
}
- function svg2base64(svg) {
- const str_xml = new XMLSerializer().serializeToString(svg);
- return "data:image/svg+xml;base64," + btoa(str_xml);
- }
+ function textureToSprite(texture, width, height) {
+ const map = new THREE.TextureLoader().load(texture);
+ const material = new THREE.SpriteMaterial({map});
+ material.depthTest = false;
- function texture2mesh(texture, width = 1, height = 1, backface = false) {
- texture = new texture_loader.load(texture);
- texture.minFilter = THREE.LinearFilter; // remove `texture has been resized` warning
-
- const material = new THREE.MeshBasicMaterial({map: texture, side: backface ? THREE.DoubleSide : THREE.FrontSide, depthWrite: false});
- material.transparent = true;
-
- const mesh = new THREE.Mesh(square_geometry, material);
- mesh.scale.x = width;
- mesh.scale.y = height;
- mesh.renderOrder = 1;
-
- return mesh;
- }
-
- async function createStateText(font, size, color, label, quality = 10) {
- drawSVG.innerHTML = "";
- drawSVG.appendChild(label.cloneNode(true));
- if (fontCache[font] == undefined) {
- fontCache[font] = (await GFontToDataURI(`https://fonts.googleapis.com/css?family=${font}`)).join("\n");
- }
-
- drawSVG.children[0].innerHTML = ``;
- drawSVG.children[0].appendChild(svg.select(label.childNodes[0].href.baseVal).node().cloneNode(true)); // href of path in defs
- drawSVG.children[1].setAttribute("transform", `scale(${quality} ${quality})`);
- drawSVG.children[1].setAttribute("font-family", font);
- drawSVG.children[1].setAttribute("font-size", size);
- drawSVG.children[1].setAttribute("fill", color);
-
- drawSVG.removeAttribute("viewBox");
- const bbox = drawSVG.getBBox();
- drawSVG.setAttribute("viewBox", [bbox.x, bbox.y, bbox.width, bbox.height].join(" "));
- drawSVG.setAttribute("width", bbox.width);
- drawSVG.setAttribute("height", bbox.height);
-
- const mesh = texture2mesh(svg2base64(drawSVG), bbox.width / quality, bbox.height / quality, true);
- mesh.rotation.set(THREE.Math.degToRad(-90), 0, 0);
-
- return mesh;
+ const sprite = new THREE.Sprite(material);
+ sprite.scale.set(width, height, 1);
+ return sprite;
}
async function createTextLabel({text, font, size, color, quality}) {
drawCtx.font = `${size * quality}px ${font}`;
drawCtx.canvas.width = drawCtx.measureText(text).width;
- drawCtx.canvas.height = size * quality * (1 + 1 / 4); // adding a margin of 1/4 of the size because text sometime overflow the font size
+ drawCtx.canvas.height = size * quality * 1.25; // 25% margin as text can overflow the font size
drawCtx.clearRect(0, 0, drawCtx.canvas.width, drawCtx.canvas.height);
drawCtx.font = `${size * quality}px ${font}`;
drawCtx.fillStyle = color;
drawCtx.fillText(text, 0, size * quality);
- return texture2mesh(drawCtx.canvas.toDataURL(), drawCtx.canvas.width / quality, drawCtx.canvas.height / quality);
+ return textureToSprite(drawCtx.canvas.toDataURL(), drawCtx.canvas.width / quality, drawCtx.canvas.height / quality);
}
function get3dCoords(baseX, baseY) {
@@ -289,18 +239,26 @@
raycaster = new THREE.Raycaster();
raycaster.set(new THREE.Vector3(0, 1000, 0), new THREE.Vector3(0, -1, 0));
- // burg labels
+ const states = viewbox.select("#labels #states");
const cities = burgLabels.select("#cities");
const towns = burgLabels.select("#towns");
const city_icons = burgIcons.select("#cities");
const town_icons = burgIcons.select("#towns");
+ const stateOptions = {
+ font: states.attr("font-family"),
+ size: +states.attr("data-size"),
+ color: states.attr("fill"),
+ elevation: 20,
+ quality: 20
+ };
+
const cityOptions = {
font: cities.attr("font-family"),
size: +cities.attr("data-size"),
color: cities.attr("fill"),
elevation: 10,
- quality: 10,
+ quality: 20,
iconSize: +city_icons.attr("size"),
iconColor: "#666",
line: 10 - cities.attr("data-size") / 2
@@ -311,7 +269,7 @@
size: +towns.attr("data-size"),
color: towns.attr("fill"),
elevation: 5,
- quality: 10,
+ quality: 20,
iconSize: +town_icons.attr("size"),
iconColor: "#666",
line: 5 - towns.attr("data-size") / 2
@@ -323,21 +281,23 @@
const town_icon_geometry = new THREE.CylinderGeometry(townOptions.iconSize * 2, townOptions.iconSize * 2, townOptions.iconSize, 16, 1);
const line_material = new THREE.LineBasicMaterial({color: cityOptions.iconColor});
+ // burg labels
for (let i = 1; i < pack.burgs.length; i++) {
const burg = pack.burgs[i];
+ if (burg.removed) continue;
+
const isCity = burg.capital;
const [x, y, z] = get3dCoords(burg.x, burg.y);
const options = isCity ? cityOptions : townOptions;
if (layerIsOn("toggleLabels")) {
- const burgMesh = await createTextLabel({text: burg.name, ...options});
+ const burgSprite = await createTextLabel({text: burg.name, ...options});
- burgMesh.elevation = options.elevation;
- burgMesh.position.set(x, y + options.elevation, z);
- burgMesh.size = options.size;
+ burgSprite.position.set(x, y + options.elevation, z);
+ burgSprite.size = options.size;
- labels.push(burgMesh);
- scene.add(burgMesh);
+ labels.push(burgSprite);
+ scene.add(burgSprite);
}
// icons
@@ -360,17 +320,20 @@
}
// state labels
- const state_labels = svg.select("#viewbox #labels #states");
- for (const label of state_labels.node().children) {
- const text_mesh = await createStateText(state_labels.attr("font-family"), state_labels.attr("font-size"), state_labels.attr("fill"), label);
- const id = label.id.match(/\d+$/);
- const pos = pack.states[id].pole;
- const [x, y, z] = get3dCoords(pos[0], pos[1]);
- text_mesh.position.set(x, y + 20, z);
- text_mesh.elevation = 20;
+ if (layerIsOn("toggleLabels")) {
+ for (let i = 1; i < pack.states.length; i++) {
+ const state = pack.states[i];
+ if (state.removed) continue;
- states.push(text_mesh);
- scene.add(text_mesh);
+ const [x, y, z] = get3dCoords(state.pole[0], state.pole[1]);
+ const stateSprite = await createTextLabel({text: state.fullName, ...stateOptions});
+
+ stateSprite.position.set(x, y + stateOptions.elevation, z);
+ stateSprite.size = stateOptions.size;
+
+ labels.push(stateSprite);
+ scene.add(stateSprite);
+ }
}
}
@@ -388,14 +351,6 @@
}
labels = [];
- for (const mesh of states) {
- scene.remove(mesh);
- mesh.material.map.dispose();
- mesh.material.dispose();
- mesh.geometry.dispose();
- }
- states = [];
-
for (const mesh of icons) {
scene.remove(mesh);
mesh.material.dispose();
@@ -579,9 +534,10 @@
function doWorkOnRender() {
console.log("doWorkOnRender");
for (const [i, label] of labels.entries()) {
- const isVisible = label.position.distanceTo(camera.position) < 50 * label.size;
- label.visible = lines[i].visible = isVisible;
- if (label.visible) label.rotation.copy(camera.rotation);
+ const dist = label.position.distanceTo(camera.position);
+ const isVisible = dist < 80 * label.size && dist > label.size * 6;
+ label.visible = isVisible;
+ if (lines[i]) lines[i].visible = isVisible;
}
}