migalib/dist/mouse.js

MIGAlib - MInimal GAme LIBrary

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Mouse = void 0;
var gameloop_1 = require("./gameloop");
var MouseSingleton = /** @class */ (function () {
    function MouseSingleton() {
        this.mouseX = 0;
        this.mouseY = 0;
        this.leftMouseButtonPressed = false;
        this.rightMouseButtonPressed = false;
        this.middleMouseButtonPressed = false;
        this.scrollUp = false;
        this.scrollDown = false;
        this.scrollTimer = 0;
        this.onMouseMove = this.onMouseMove.bind(this);
        this.onMouseDown = this.onMouseDown.bind(this);
        this.onMouseUp = this.onMouseUp.bind(this);
        this.onContextMenu = this.onContextMenu.bind(this);
        this.onWheel = this.onWheel.bind(this);
    }
    MouseSingleton.prototype.init = function (displayCanvas) {
        this.displayCanvas = displayCanvas;
        this.displayCanvas.oncontextmenu = this.onContextMenu;
        window.addEventListener("mousemove", this.onMouseMove);
        window.addEventListener("mousedown", this.onMouseDown);
        window.addEventListener("mouseup", this.onMouseUp);
        window.addEventListener("wheel", this.onWheel);
    };
    MouseSingleton.prototype.update = function () {
        if (this.scrollTimer > 0) {
            this.scrollTimer -= gameloop_1.GameLoop.getDeltaTime();
        }
        if (this.scrollTimer <= 0) {
            this.scrollUp = false;
            this.scrollDown = false;
        }
    };
    MouseSingleton.prototype.onWheel = function (event) {
        this.scrollUp = event.deltaY < 0;
        this.scrollDown = event.deltaY > 0;
        this.scrollTimer = 0.032;
    };
    MouseSingleton.prototype.onContextMenu = function () {
        return false;
    };
    MouseSingleton.prototype.onMouseDown = function (event) {
        if (event.button === 0) {
            this.leftMouseButtonPressed = true;
        }
        else if (event.button === 1) {
            this.middleMouseButtonPressed = true;
        }
        else if (event.button === 2) {
            this.rightMouseButtonPressed = true;
        }
    };
    MouseSingleton.prototype.onMouseUp = function (event) {
        if (event.button === 0) {
            this.leftMouseButtonPressed = false;
        }
        else if (event.button === 1) {
            this.middleMouseButtonPressed = false;
        }
        else if (event.button === 2) {
            this.rightMouseButtonPressed = false;
        }
    };
    MouseSingleton.prototype.onMouseMove = function (event) {
        var mousePosition = this.getMousePosition(event);
        this.mouseX = mousePosition.x;
        this.mouseY = mousePosition.y;
    };
    MouseSingleton.prototype.getMousePosition = function (event) {
        var rect = this.displayCanvas.getBoundingClientRect();
        var scaleX = this.displayCanvas.width / rect.width;
        var scaleY = this.displayCanvas.height / rect.height;
        return {
            x: (event.clientX - rect.left) * scaleX,
            y: (event.clientY - rect.top) * scaleY,
        };
    };
    MouseSingleton.prototype.getMouseX = function () {
        return this.mouseX;
    };
    MouseSingleton.prototype.getMouseY = function () {
        return this.mouseY;
    };
    MouseSingleton.prototype.isLeftMouseButtonPressed = function () {
        return this.leftMouseButtonPressed;
    };
    MouseSingleton.prototype.isRightMouseButtonPressed = function () {
        return this.rightMouseButtonPressed;
    };
    MouseSingleton.prototype.isMiddleMouseButtonPressed = function () {
        return this.middleMouseButtonPressed;
    };
    MouseSingleton.prototype.resetLeftMouseButton = function () {
        this.leftMouseButtonPressed = false;
    };
    MouseSingleton.prototype.resetRightMouseButton = function () {
        this.rightMouseButtonPressed = false;
    };
    MouseSingleton.prototype.resetMiddleMouseButton = function () {
        this.middleMouseButtonPressed = false;
    };
    MouseSingleton.prototype.isScrollUp = function () {
        return this.scrollUp;
    };
    MouseSingleton.prototype.isScrollDown = function () {
        return this.scrollDown;
    };
    return MouseSingleton;
}());
exports.Mouse = new MouseSingleton();