slweeb
GitHub
commit
ddbdfbe07e
517
mods/zoom.js
517
mods/zoom.js
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@ -1,289 +1,300 @@
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// IIFE because paranoid
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(() => {
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const zoom_levels = [
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0.5,
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1,
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2,
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3,
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6,
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12
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const zoom_levels = [
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0.5,
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1,
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2,
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3,
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6,
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12
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]
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window.zoom_data_div = null
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window.zoom_level = 1
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window.zoom_panning = [0,0]
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function handle_zoom(direction){
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switch (direction){
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case "in":
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if (!(zoom_level+1 in zoom_levels)) { break; }
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window.zoom_level += 1
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break;
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case "out":
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if (!(zoom_level-1 in zoom_levels)) { break; }
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window.zoom_level -= 1
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break;
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}
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rescale()
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}
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function handle_pan(direction, speed){
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switch (direction){
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case "right":
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zoom_panning[0] -= speed
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break;
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case "left":
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zoom_panning[0] += speed
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break;
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case "up":
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zoom_panning[1] += speed
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break;
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case "down":
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zoom_panning[1] -= speed
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break;
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}
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rescale()
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}
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function gen_button(row, col, html, click, nopos, id){
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const elem = document.createElement("button")
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if (!nopos){
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elem.style.gridColumn = row
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elem.style.gridRow = col
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}
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if (id) { elem.id = id }
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// Table for the data-pos to assign (row major). If null, don't add.
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const data_pos_map = [
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["tl", null, "tr"],
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[null, null, null],
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["bl", null, "br"]
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]
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window.zoom_data_div = null
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window.zoom_level = 1
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window.zoom_panning = [0,0]
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elem.innerHTML = html
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elem.onclick = click
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function handle_zoom(direction){
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switch (direction){
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case "in":
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if (!(zoom_level+1 in zoom_levels)) { break; }
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window.zoom_level += 1
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break;
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case "out":
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if (!(zoom_level-1 in zoom_levels)) { break; }
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window.zoom_level -= 1
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break;
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}
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rescale()
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if (data_pos_map[row-1][col-1] !== null) {
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elem.dataset.pos = data_pos_map[row-1][col-1]
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}
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function handle_pan(direction, speed){
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switch (direction){
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case "right":
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zoom_panning[0] -= speed
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break;
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case "left":
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zoom_panning[0] += speed
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break;
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case "up":
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zoom_panning[1] += speed
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break;
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case "down":
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zoom_panning[1] -= speed
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break;
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}
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rescale()
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return elem
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}
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function add_css(){
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const CSS = `
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#zm_data_div { margin-bottom: 10px; }
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#canvasDiv { overflow: hidden }
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@media(pointer=coarse){
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#zm_floater_container#zm_floater_container {
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width: 40%;
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height: auto;
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}
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#zm_floater_container:has(#zm_collapse[data-collapsed="true"]){
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width: calc(40% / 3);
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}
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}
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function gen_button(row, col, html, click, nopos, id){
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const elem = document.createElement("button")
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if (!nopos){
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elem.style.gridColumn = row
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elem.style.gridRow = col
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@media(pointer:coarse) and (orientation:landscape){
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#zm_floater_container#zm_floater_container {
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width: auto;
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top: 5px;
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}
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if (id) { elem.id = id }
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// Table for the data-pos to assign (row major). If null, don't add.
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const data_pos_map = [
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["tl", null, "tr"],
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[null, null, null],
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["bl", null, "br"]
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]
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elem.innerHTML = html
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elem.onclick = click
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if (data_pos_map[row-1][col-1] !== null) {
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elem.dataset.pos = data_pos_map[row-1][col-1]
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#zm_floater_container:has(#zm_collapse[data-collapsed="true"]){
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width: calc(40% / 3);
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}
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}
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return elem
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#zm_floater_container {
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position: absolute;
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display: grid;
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right: 5px;
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bottom: 5px;
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height: 100px;
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aspect-ratio: 1;
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max-width: 200px;
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max-height: 200px;
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border: 2px solid white;
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background-color: black;
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font-size: 120%;
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button { text-align: center; border: 0px solid white }
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button:where([data-pos="tl"]) { border-width: 0px 2px 2px 0px };
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button:where([data-pos="tr"]) { border-width: 2px 2px 0px 0px };
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button:where([data-pos="bl"]) { border-width: 0px 0px 2px 2px };
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button:where([data-pos="br"]) { border-width: 2px 0px 0px 2px };
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}
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#zm_floater_container:has(#zm_collapse[data-collapsed="true"]) {
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button:not(#zm_collapse) {
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display: none
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}
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}
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function add_css(){
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const FLOATER_CSS = `
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#zm_data_div {
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margin-bottom: 10px;
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}
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.zm_corner { border: 2px solid white; }
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#canvasDiv {
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overflow: hidden
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}
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#zm_floater_container {
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position: absolute;
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display: grid;
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right: 5px;
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bottom: 5px;
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height: 24%;
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aspect-ratio: 1;
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border: 2px solid white;
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background-color: black;
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font-size: 1.2em;
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button { text-align: center; border: 0px solid white }
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button:where([data-pos="tl"]) { border-width: 0px 2px 2px 0px };
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button:where([data-pos="tr"]) { border-width: 2px 2px 0px 0px };
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button:where([data-pos="bl"]) { border-width: 0px 0px 2px 2px };
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button:where([data-pos="br"]) { border-width: 2px 0px 0px 2px };
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}
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#zm_floater_container:has(#zm_collapse[data-collapsed="true"]) {
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height: calc(8% - 1px);
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button:not(#zm_collapse) {
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display: none
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}
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}
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.zm_corner {
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border: 2px solid white;
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}
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#zm_collapse {
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grid-row: 3;
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grid-column: 3;
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}
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#zm_collapse[data-collapsed="true"] {
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grid-row: 1;
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grid-column: 1;
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border-width: 0px;
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}
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`
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const style_div = document.createElement("style")
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style_div.innerHTML = FLOATER_CSS
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document.head.appendChild(style_div)
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#zm_collapse {
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grid-row: 3;
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grid-column: 3;
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}
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#zm_collapse[data-collapsed="true"] {
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grid-row: 1;
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grid-column: 1;
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border-width: 0px;
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}
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`
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function add_zoom_floaters(){
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const container = document.createElement("div")
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container.id = "zm_floater_container"
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const style_div = document.createElement("style")
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style_div.innerHTML = CSS
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// Pan mode selector (C: Coarse F: Fine)
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const pan_mode_sel = gen_button(
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1,3, "C",
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document.head.appendChild(style_div)
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}
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function add_zoom_floaters(){
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const container = document.createElement("div")
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container.id = "zm_floater_container"
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// Pan mode selector (C: Coarse F: Fine)
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const pan_mode_sel = gen_button(
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1,3, "C",
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(evt) => {
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evt.target.dataset.mode = evt.target.dataset.mode == "F" ? "C" : "F"
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evt.target.innerText = evt.target.dataset.mode
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},
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false,
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"zm_panmode_sel"
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)
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const speed = () =>
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(window.zoom_level > 3 ? 5 : 10) * // More granular at higher zoom levels
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(pan_mode_sel.dataset.mode == "F" ? 0.25 : 1) // Increase granularity in fine mode
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container.append(
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// Direction buttons
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gen_button(2,1, "↑", () => handle_pan("up" ,speed())),
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gen_button(1,2, "←", () => handle_pan("left" ,speed())),
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gen_button(3,2, "→", () => handle_pan("right" ,speed())),
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gen_button(2,3, "↓", () => handle_pan("down" ,speed())),
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// Zoom buttons
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gen_button(1,1, "+", () => handle_zoom("in")),
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gen_button(3,1, "-", () => handle_zoom("out")),
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// Collapse button
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gen_button(
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3,3, "#",
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(evt) => {
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evt.target.dataset.mode = evt.target.dataset.mode == "F" ? "C" : "F"
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evt.target.innerText = evt.target.dataset.mode
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},
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false,
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"zm_panmode_sel"
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)
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evt.target.dataset.collapsed = evt.target.dataset.collapsed == "true"
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? "false"
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: "true"
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},
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true,
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"zm_collapse"
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),
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pan_mode_sel
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)
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const speed = () =>
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(window.zoom_level > 3 ? 5 : 10) * // More granular at higher zoom levels
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(pan_mode_sel.dataset.mode == "F" ? 0.25 : 1) // Increase granularity in fine mode
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const canvas_div = document.getElementById("canvasDiv")
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canvas_div.appendChild(container)
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}
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container.append(
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// Direction buttons
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gen_button(2,1, "↑", () => handle_pan("up" ,speed())),
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gen_button(1,2, "←", () => handle_pan("left" ,speed())),
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gen_button(3,2, "→", () => handle_pan("right" ,speed())),
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gen_button(2,3, "↓", () => handle_pan("down" ,speed())),
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function rescale(){
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log_info()
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// Zoom buttons
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gen_button(1,1, "+", () => handle_zoom("in")),
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gen_button(3,1, "-", () => handle_zoom("out")),
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const scale = zoom_levels[zoom_level]
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const x = zoom_panning[0] * (pixelSize * scale)
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const y = zoom_panning[1] * (pixelSize * scale)
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// Collapse button
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gen_button(
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3,3, "#",
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(evt) => {
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evt.target.dataset.collapsed = evt.target.dataset.collapsed == "true"
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? "false"
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: "true"
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},
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true,
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"zm_collapse"
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),
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pan_mode_sel
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)
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gameCanvas.style.transform = `translate(${x}px,${y}px) scale(${scale})`
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}
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const canvas_div = document.getElementById("canvasDiv")
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canvas_div.appendChild(container)
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}
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function log_info(){
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// Values are negated to make them more intuitive
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const x_pan = (-zoom_panning[0]).toString().padEnd(4)
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const y_pan = (-zoom_panning[1]).toString().padEnd(4)
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function rescale(){
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log_info()
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if (zoom_data_div === null){ return; }
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const scale = zoom_levels[zoom_level]
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const x = zoom_panning[0] * (pixelSize * scale)
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const y = zoom_panning[1] * (pixelSize * scale)
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zoom_data_div.innerText = ""
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zoom_data_div.innerText += `Scale: ${zoom_levels[zoom_level]}x\n`
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zoom_data_div.innerText += `Pan : ${x_pan}, ${y_pan}`
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}
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gameCanvas.style.transform = `translate(${x}px,${y}px) scale(${scale})`
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}
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function patch_keybinds(){
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// Be more granular at higher zoom levels
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const speed_a = () => zoom_level > 3 ? 5 : 10
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const speed_b = () => zoom_level > 3 ? 10 : 20
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function log_info(){
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// Values are negated to make them more intuitive
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const x_pan = (-zoom_panning[0]).toString().padEnd(4)
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const y_pan = (-zoom_panning[1]).toString().padEnd(4)
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keybinds["9"] = () => handle_zoom("in")
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keybinds["0"] = () => handle_zoom("out")
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if (zoom_data_div === null){ return; }
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keybinds["w"] = () => handle_pan("up", speed_a())
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keybinds["a"] = () => handle_pan("left", speed_a())
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keybinds["s"] = () => handle_pan("down", speed_a())
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keybinds["d"] = () => handle_pan("right", speed_a())
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zoom_data_div.innerText = ""
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zoom_data_div.innerText += `Scale: ${zoom_levels[zoom_level]}x\n`
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zoom_data_div.innerText += `Pan : ${x_pan}, ${y_pan}`
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}
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keybinds["W"] = () => handle_pan("up", speed_b())
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keybinds["A"] = () => handle_pan("left", speed_b())
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keybinds["S"] = () => handle_pan("down", speed_b())
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keybinds["D"] = () => handle_pan("right", speed_b())
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}
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function patch_keybinds(){
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// Be more granular at higher zoom levels
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const speed_a = () => zoom_level > 3 ? 5 : 10
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const speed_b = () => zoom_level > 3 ? 10 : 20
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function patch_ui(){
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add_css()
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add_zoom_floaters()
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zoom_data_div = document.createElement("div")
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zoom_data_div.id = "zm_data_div"
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document.getElementById("logDiv").prepend(zoom_data_div)
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keybinds["9"] = () => handle_zoom("in")
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keybinds["0"] = () => handle_zoom("out")
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keybinds["w"] = () => handle_pan("up", speed_a())
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keybinds["a"] = () => handle_pan("left", speed_a())
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keybinds["s"] = () => handle_pan("down", speed_a())
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keybinds["d"] = () => handle_pan("right", speed_a())
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keybinds["W"] = () => handle_pan("up", speed_b())
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keybinds["A"] = () => handle_pan("left", speed_b())
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keybinds["S"] = () => handle_pan("down", speed_b())
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keybinds["D"] = () => handle_pan("right", speed_b())
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const controls_table = document.getElementById("controlsTable").lastElementChild
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controls_table.insertAdjacentHTML("beforeBegin",`
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<tr>
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<td>Zoom in/out</td>
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<td>
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<kbd>9</kbd>/
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<kbd>0</kbd>
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</td>
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</tr>
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<tr>
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<td>Pan</td>
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<td>
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<kbd>W</kbd>
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<kbd>A</kbd>
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<kbd>S</kbd>
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<kbd>D</kbd>
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</td>
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</tr>
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<tr>
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<td>Pan (fast)</td>
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<td>
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<kbd>Shift</kbd> +
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<kbd>W</kbd>
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<kbd>A</kbd>
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<kbd>S</kbd>
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<kbd>D</kbd>
|
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</td>
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</tr>
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`)
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}
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|
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// Redefine to give correct numbers when zoomed
|
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window.getMousePos = (canvas, evt) => {
|
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if (evt.touches) {
|
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evt.preventDefault();
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evt = evt.touches[0];
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isMobile = true;
|
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}
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const rect = canvas.getBoundingClientRect();
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|
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function patch_ui(){
|
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add_css()
|
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add_zoom_floaters()
|
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let x = (evt.clientX - rect.left) / zoom_levels[zoom_level];
|
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let y = (evt.clientY - rect.top) / zoom_levels[zoom_level];
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|
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zoom_data_div = document.createElement("div")
|
||||
zoom_data_div.id = "zm_data_div"
|
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document.getElementById("logDiv").prepend(zoom_data_div)
|
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|
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const controls_table = document.getElementById("controlsTable").lastElementChild
|
||||
controls_table.insertAdjacentHTML("beforeBegin",`
|
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<tr>
|
||||
<td>Zoom in/out</td>
|
||||
<td>
|
||||
<kbd>9</kbd>/
|
||||
<kbd>0</kbd>
|
||||
</td>
|
||||
</tr>
|
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<tr>
|
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<td>Pan</td>
|
||||
<td>
|
||||
<kbd>W</kbd>
|
||||
<kbd>A</kbd>
|
||||
<kbd>S</kbd>
|
||||
<kbd>D</kbd>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>Pan (fast)</td>
|
||||
<td>
|
||||
<kbd>Shift</kbd> +
|
||||
<kbd>W</kbd>
|
||||
<kbd>A</kbd>
|
||||
<kbd>S</kbd>
|
||||
<kbd>D</kbd>
|
||||
</td>
|
||||
</tr>
|
||||
`)
|
||||
}
|
||||
x = Math.floor((x / canvas.clientWidth) * (width+1));
|
||||
y = Math.floor((y / canvas.clientHeight) * (height+1));
|
||||
|
||||
// Redefine to give correct numbers when zoomed
|
||||
window.getMousePos = (canvas, evt) => {
|
||||
if (evt.touches) {
|
||||
evt.preventDefault();
|
||||
evt = evt.touches[0];
|
||||
isMobile = true;
|
||||
}
|
||||
const rect = canvas.getBoundingClientRect();
|
||||
return {x:x, y:y};
|
||||
}
|
||||
|
||||
let x = (evt.clientX - rect.left) / zoom_levels[zoom_level];
|
||||
let y = (evt.clientY - rect.top) / zoom_levels[zoom_level];
|
||||
runAfterReset(() => {
|
||||
window.zoom_level = 1
|
||||
rescale()
|
||||
})
|
||||
|
||||
x = Math.floor((x / canvas.clientWidth) * (width+1));
|
||||
y = Math.floor((y / canvas.clientHeight) * (height+1));
|
||||
|
||||
return {x:x, y:y};
|
||||
}
|
||||
|
||||
runAfterReset(() => {
|
||||
window.zoom_level = 1
|
||||
rescale()
|
||||
})
|
||||
|
||||
runAfterLoad(() => {
|
||||
patch_keybinds()
|
||||
patch_ui()
|
||||
})
|
||||
})()
|
||||
runAfterLoad(() => {
|
||||
patch_keybinds()
|
||||
patch_ui()
|
||||
})
|
||||
|
|
|
|||
Loading…
Reference in New Issue