quackscape/assets/js/editor.js

247 lines
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JavaScript
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import { getScene, getSceneElement, getCategory, getCookie } from "./api";
import { populateDestinationDropdown } from "./editor/teleport";
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import "../css/editor.css";
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let clickTimestamp = 0;
// Find parent quackscape-scene for ID
function findParentScene(element) {
var parent = element.parentElement;
while (parent.tagName != "QUACKSCAPE-SCENE") {
parent = parent.parentElement;
}
return parent;
}
// Distinguishing clicks from drags based on duration.
// TODO: Find a better way to distinguish these.
function addEventListeners(element) {
element.addEventListener("mousedown", function (event) {
clickTimestamp = event.timeStamp;
});
element.addEventListener("mouseup", function (event) {
if (event.timeStamp - clickTimestamp > 200) {
// Ignoring this, we only handle regular short clicks.
// TODO: Find a way to handle drags of elements
return;
} else {
handleClick(event);
}
// Right-clicks are definitely intentional.
element.addEventListener("contextmenu", function (event) {
handleClick(event);
});
});
}
// Open a modal for creating a new Element
function startCreateElement(event) {
var propertiesTitle = document.getElementById("propertiesTitle");
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modalLabel.textContent = "Create Element";
var propertiesContent = document.getElementById("propertiesContent");
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var thetaStart = cartesianToTheta(
event.detail.intersection.point.x,
event.detail.intersection.point.z
);
modalContent.innerHTML = `<b>Creating element at:</b><br/>
X: ${event.detail.intersection.point.x}<br/>
Y: ${event.detail.intersection.point.y}<br/>
Z: ${event.detail.intersection.point.z}<br/>
Calculated Theta: ${thetaStart}<br/>
Parent Element Type: ${event.srcElement.tagName}<br/>
<hr/>
<form id="newElementForm">
<label for="resourcetype" class="form-label">Element Type</label>
<select class="form-control" aria-label="Element Type" id="resourcetype">
<option selected>Select Element Type</option>
<option value="MarkerElement">Marker</option>
<option value="ImageElement">Image</option>
<option value="ImageElement">Teleport</option>
</select>
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</form>
`;
}
function startModifyElement(event) {
var propertiesTitle = document.getElementById("propertiesTitle");
propertiesTitle.textContent = "Modify Element";
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// Get element from API
var scene = findParentScene(event.target);
var element_data_request = getSceneElement(
scene.getAttribute("id"),
event.target.getAttribute("id")
);
element_data_request.then((element_data) => {
var propertiesContent = document.getElementById("propertiesContent");
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propertiesContent.innerHTML = `<b>Modifying element:</b><br/>
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Element Type: ${event.srcElement.tagName}<br/>
Element ID: ${event.target.getAttribute("id")}<br/>
Element data: ${JSON.stringify(element_data.obj)}<br/>
<hr/>
<form id="modifyElementForm">
<input type="hidden" id="csrfmiddlewaretoken" value="${getCookie(
"csrftoken"
)}">
<input type="hidden" id="id" value="${event.target.getAttribute("id")}">
<div class="dropdown mb-2">
<label for="destinationDropdownSearch" class="form-label">Teleport Destination</label>
<input class="form-control" autocomplete="off" id="destinationDropdownSearch" type="text" placeholder="Search...">
<input type="hidden" id="destination">
<div class="dropdown-menu" id="destinationDropdownMenu">
<!-- Dropdown items will be populated here by JavaScript -->
</div>
</div>
<div class="mb-2">
<label for="destination_x" class="form-label">Destination X/Y/Z Rotation</label>
<div class="row g-2">
<div class="col">
<input type="number" class="form-control" id="destination_x" name="input1" min="0" max="360" placeholder="X">
</div>
<div class="col">
<input type="number" class="form-control" id="destination_y" name="input2" min="0" max="360" placeholder="Y">
</div>
<div class="col">
<input type="number" class="form-control" id="destination_z" name="input3" min="0" max="360" placeholder="Z">
</div>
</div>
</div>
</div>
<div class="mb-2">
<label for="elementUpload" class="form-label">Marker image</label>
<input id="elementUpload" type="file" class="form-control">
</div>
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</form>
`;
var scene_data_request = getScene(scene.getAttribute("id"));
scene_data_request.then((scene_data) => {
var category_data_request = getCategory(scene_data.obj.category);
category_data_request.then((category_data) => {
populateDestinationDropdown(
element_data.obj.destination,
category_data
);
});
});
document
.getElementById("elementUpload")
.addEventListener("change", function () {
if (this.files && this.files[0]) {
var reader = new FileReader();
reader.onload = function (e) {
// Set the image to the file contents
if (event.target.getAttribute("data-original-src") == undefined) {
event.target.setAttribute(
"data-original-src",
event.target.getAttribute("src")
);
}
event.target.setAttribute("src", e.target.result);
};
reader.readAsDataURL(this.files[0]);
}
});
if (element_data.obj.destination_x != -1) {
document.getElementById("destination_x").value =
element_data.obj.destination_x;
}
if (element_data.obj.destination_y != -1) {
document.getElementById("destination_y").value =
element_data.obj.destination_y;
}
if (element_data.obj.destination_z != -1) {
document.getElementById("destination_z").value =
element_data.obj.destination_z;
}
document.getElementById("resetButton").style = "display: inline;";
document.getElementById("buttons").style = "display: block;";
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});
}
function cartesianToTheta(x, z) {
// Calculate the angle in radians
let angleRadians = Math.atan2(z, x);
// Convert to degrees
let angleDegrees = angleRadians * (180 / Math.PI);
// A-Frame's thetaStart is measured from the positive X-axis ("right" direction)
// and goes counter-clockwise, so this should directly give us the thetaStart value.
let thetaStart = 90 - angleDegrees;
// Since atan2 returns values from -180 to 180, let's normalize this to 0 - 360
thetaStart = thetaStart < 0 ? thetaStart + 360 : thetaStart;
return thetaStart;
}
function latLonToXYZ(lat, lon, radius = 5) {
// Convert lat/lon to X/Y/Z coordinates on the sphere
const phi = (90 - lat) * (Math.PI / 180);
const theta = (lon + 180) * (Math.PI / 180);
const x = -(radius * Math.sin(phi) * Math.cos(theta));
const y = radius * Math.cos(phi);
const z = radius * Math.sin(phi) * Math.sin(theta);
return { x, y, z };
}
function handleClick(event) {
// If clicked on the sky, start creating a new element
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if (event.target.tagName == "A-SKY") {
startCreateElement(event);
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} else {
// Else we are modifying an existing element
startModifyElement(event);
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}
}
document.addEventListener("loadedQuackscapeScene", function (event) {
// Get the scene
var scene = document.querySelector("a-scene");
// Get all children
var children = scene.children;
for (var i = 0; i < children.length; i++) {
var child = children[i];
if (child.tagName.startsWith("A-")) {
// Remove original onclick events
if (child.hasAttribute("onclick")) {
child.removeAttribute("onclick");
}
// Add new event listeners
addEventListeners(child);
// Add click-drag component to all a-entity elements
child.setAttribute("click-drag", "");
}
}
});