Files
2020-07-20 17:02:50 -05:00

222 lines
8.4 KiB
HTML

<!doctype html>
<html>
<head>
<meta charset=utf-8>
<meta name='viewport' content='width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0'/>
<title>ESP32 CARRO</title>
<style>
*{-webkit-touch-callout: none;
-webkit-text-size-adjust: none;
-webkit-tap-highlight-color: #FFFFFF;
-webkit-user-select: none;
-webkit-tap-highlight-color: #FFFFFF;}
body {margin: 0px;}
canvas {display:block; position:absolute}
.containerButtons {width: auto; display: flex; justify-content: space-around;}
.buttons {border: none; color: white; padding: 4px 4px; text-align: center; text-decoration: none; display: inline-block; font-size: 4.0vmin; font-weight: bold; margin: 4px 2px;
-webkit-transition-duration: 0.4s; transition-duration: 0.4s; cursor: pointer; width: 25%; border-radius: 2px;}
.btn1 {background-color: #808080; color: #FFFFFF; border: 3px solid #808080;} .btn1:hover {background-color: #F2F2F2; color: #000000; border: 3px solid #FF0000;}
.btn2 {background-color: #1E90FF; color: #FFFFFF; border: 3px solid #1E90FF;} .btn2:hover {background-color: #F2F2F2; color: #000000; border: 3px solid #FF0000;}
.data {padding: 2px 4px; background-color: #F2F2F2; color: #000000; font-size: 3.5vmin; border: 2px solid #000000;}
.containerCanvas {width: auto;}
</style>
<body id='body'>
<div class='containerButtons'>
<button class='buttons btn1' onclick='onStatic()' autofocus>Estático</button>
<button class='buttons btn2' onclick='onDynamic()'>Dinámico</button>
<p id='txt1_id' class='buttons data'></p>
<p id='txt2_id' class='buttons data'></p>
<p id='sensores' class='buttons data'></p>
</div>
<script>
///////VARIABLES GLOBALES Y OPERACIONES CON VECTORES ///////
var canvas, c , containerCanvas, ratioWindow, ladoMenor;
var estatico = true, touchStart = false, mouseDown = false;
var angRad, angGrd, vectorHypot, speed;
var vector2 = function (x,y) {this.x= x || 0; this.y = y || 0;};
let sensores =0;
var sensores_label = document.getElementById('sensores');
vector2.prototype = {
reset: function ( x, y ) {this.x = x; this.y = y; return this;},
copyFrom : function (v) {this.x = v.x; this.y = v.y; return this;},
minusEq : function (v) {this.x-= v.x; this.y-= v.y; return this;},
};
var pos = new vector2(0,0), startPos = new vector2(0,0), vector = new vector2(0,0), posMax = new vector2(0,0);
var connection = new WebSocket('ws://'+location.hostname+':81/', ['arduino']);
connection.onopen = function () {connection.send('Connect ' + new Date()); };
connection.onerror = function (error) {console.log('WebSocket Error ', error);};
connection.onmessage = function (event) {
//if(!isNaN(event.data))
sensores = event.data//parseInt(event.data,10)
sensores_label.innerHTML = 'Sensores Linea<br/>'+sensores
console.log('Server: ', sensores);
};
///////CANVAS///////
setupCanvas();
function setupCanvas() {
canvas = document.createElement('canvas');
c = canvas.getContext('2d');
resetAll();
containerCanvas = document.createElement('div');
containerCanvas.className = "containerCanvas";
document.body.appendChild(containerCanvas);
containerCanvas.appendChild(canvas);
}
function resetAll () {
var buttonsHeight = Math.min(window.innerWidth, window.innerHeight)*0.04+44;
canvas.width = window.innerWidth; canvas.height = window.innerHeight-buttonsHeight;
ratioWindow = canvas.width/canvas.height; ladoMenor=Math.min(canvas.width, canvas.height);
window.scrollTo(0,0);
c.font = Math.round(ladoMenor*0.03) + 'px sans-serif';
c.fillStyle = "white";
c.textAlign="center";
estatico? onStatic() : onDynamic();
}
function resetByOrientationchange () {
document.body.removeChild(containerCanvas);
setTimeout(function(){
setupCanvas();
startEventListener();
}, 450);
}
///////DETECCIÓN DE EVENTOS Y DETERMINACIÓN DEL TIPO DE DISPOSITIVO SEÑALADOR (TÁCTIL O RATÓN)///////
var touchable = 'createTouch' in document;
startEventListener();
function startEventListener(){
window.onresize = resetAll;
if(touchable) {
canvas.addEventListener( 'touchstart', onTouchStart, false);
canvas.addEventListener( 'touchmove', onTouchMove, false);
canvas.addEventListener( 'touchend', onTouchEnd, false);
window.onorientationchange = resetByOrientationchange;
} else {
canvas.addEventListener( 'mousedown', onMouseDown, false);
canvas.addEventListener( 'mousemove', onMouseMove, false);
['mouseup', 'mouseout'].forEach(function(event){canvas.addEventListener(event,onMouseEnd,false);});
}
}
///////ESTÁTICO / DINÁMICO///////
function onStatic() {
estatico = true;
document.getElementById('body').style.background= '#CECECE';
c.strokeStyle = '#808080';
drawOnCanvasStartOrMoveEnd();
}
function onDynamic() {
estatico = false;
document.getElementById('body').style.background= '#ADD8E6';
c.strokeStyle = '#1E90FF';
drawOnCanvasStartOrMoveEnd();
}
///////GESTIÓN DE DISPOSITIVO TÁCTIL///////
function onTouchStart(event) {
touchStart = true;
if (estatico){
pos.reset(event.touches[0].clientX-canvas.getBoundingClientRect().left, event.touches[0].clientY-canvas.getBoundingClientRect().top);
vector.copyFrom(pos);
vector.minusEq(startPos);
} else {
startPos.reset(event.touches[0].clientX-canvas.getBoundingClientRect().left, event.touches[0].clientY-canvas.getBoundingClientRect().top);
pos.copyFrom(startPos);
}
}
function onTouchMove(event) {
if (touchStart){
event.preventDefault();
pos.reset(event.touches[0].clientX-canvas.getBoundingClientRect().left, event.touches[0].clientY-canvas.getBoundingClientRect().top);
vector.copyFrom(pos);
vector.minusEq(startPos);
}
}
function onTouchEnd(event) {
touchStart = false;
drawOnCanvasStartOrMoveEnd();
sendData ();
}
///////GESTIÓN DEL RATÓN///////
function onMouseDown(event) {
event.preventDefault();
mouseDown = true;
if (estatico){
pos.reset(event.offsetX, event.offsetY);
vector.copyFrom(pos);
vector.minusEq(startPos);
} else {
startPos.reset(event.offsetX, event.offsetY);
pos.copyFrom(startPos);
}
}
function onMouseMove(event) {
if(mouseDown){
pos.reset(event.offsetX, event.offsetY);
vector.copyFrom(pos);
vector.minusEq(startPos);
}
}
function onMouseEnd(event) {
mouseDown = false;
drawOnCanvasStartOrMoveEnd();
sendData ();
}
///////DIBUJO DE LA BASE Y STICK///////
setInterval(drawOnMove, 1000/50);
function drawOnMove() {
if(touchStart || mouseDown) {
c.clearRect(0,0,canvas.width, canvas.height);
drawBase (startPos.x, startPos.y);
newValues ();
drawStick ();
drawText ();
sendData ();
}
}
function drawOnCanvasStartOrMoveEnd(){
c.clearRect(0,0,canvas.width, canvas.height);
startPos.reset(canvas.width/2,canvas.height/2);
vector.reset(0,0);
estatico? drawBase() : c.fillText('TOCA LA PANTALLA PARA COMENZAR',canvas.width/2,canvas.height/2);
newValues ();
drawText ();
}
function newValues(){
angRad = Math.atan2(-vector.y,vector.x).toFixed(2);
angGrd = Math.round(angRad*180/Math.PI);
vectorHypot = Math.hypot(vector.x,vector.y);
posMax.reset(startPos.x+Math.min(vectorHypot, ladoMenor*0.25)*Math.cos(angRad), startPos.y-Math.min(vectorHypot, ladoMenor*0.25)*Math.sin(angRad));
speed = Math.round((Math.min(vectorHypot,ladoMenor*0.25)/(ladoMenor*0.25)*100));
}
function drawBase(){
c.beginPath(); c.lineWidth = 6; c.arc(startPos.x, startPos.y, ladoMenor*0.10 ,0,Math.PI*2,true); c.stroke();
c.beginPath(); c.lineWidth = 2; c.arc(startPos.x, startPos.y, ladoMenor*0.35 ,0,Math.PI*2,true); c.stroke();
}
function drawStick(){
c.beginPath(); c.arc(posMax.x, posMax.y, ladoMenor*0.10, 0,Math.PI*2, true); c.stroke();
}
function drawText(){
document.getElementById('txt2_id').innerHTML = 'Ángulo<br/>'+angGrd+'º';
document.getElementById('txt1_id').innerHTML = 'Velocidad<br/>'+speed+'%';
}
function sendData(){
var dir = 'Velocidad:'+speed+' Angulo:'+angRad;
console.log(dir);
connection.send(dir);
}
</script>
</body>
</html>