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experiment.js
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experiment.js
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//------Set up canvas begin---------
const canvas_L = document.getElementById('canvas_L');
const ctx_L = canvas_L.getContext('2d'); //determines the canvas to be 2D.
var canvasWidth = canvas_L.width;
var canvasHeight = canvas_L.height;
let screenWidth = screen.width;
let screeHeight = screen.height;
const canvas_2 = document.getElementById('canvas_2')
var ctx_2 = canvas_2.getContext('2d')
var canvasWidth_2 = canvas_2.width
var canvasHeight_2 = canvas_2.height
//--------------------------------------
//---------SET PARAMETERS BEGIN---------
//--------------------------------------
const secretCode = "CGFBB5IK"; //dont use I/L O/0 because they are hard to understand
var colorArray_1 = [];
for(i=0;i<256;i++){ // QUESTION: why 256 here and 255 in other color arrays?
colorArray_1[i] = 'rgb(255, ' + i + ', 0)'
}
var colorArray_2 = [];
for(i=0;i<255;i++){
colorArray_2[i] = 'rgb(' + i + ', 255, 0)'
}
colorArray_2 = colorArray_2.reverse();
var colorArray_3 = [];
for(i=0;i<255;i++){
j = i+1;
colorArray_3[i] = 'rgb(0, 255, ' + j + ')'
}
var colorArray_4 = [];
for(i=0;i<255;i++){
colorArray_4[i] = 'rgb(0, ' + i + ', 255)'
}
colorArray_4 = colorArray_4.reverse();
var colorArray_5 = [];
for(i=0;i<255;i++){
j = i+1;
colorArray_5[i] = 'rgb(' + j + ', 0, 255)'
}
var colorArray_6 = [];
for(i=0;i<255;i++){
colorArray_6[i] = 'rgb(255, 0, ' + i + ')'
}
colorArray_6 = colorArray_6.reverse();
colorArray = colorArray_1.concat(colorArray_2).concat(colorArray_3).concat(colorArray_4)
.concat(colorArray_5).concat(colorArray_6);
var responseAcceptable = false;
var freshRate = 1000/60; // // QUESTION: what THIS?
var startTrialTime;
var endTrialTime;
// ======================== GET BROWSER ======================= //
// Get browser (credit to Nimesh and other users of StackOverflow)
function getBrowser() {
if ((navigator.userAgent.indexOf("Opera") || navigator.userAgent.indexOf("OPR")) != -1) {
return "Opera";
} else if (navigator.userAgent.indexOf("Chrome") != -1) {
return "Chrome";
} else if (navigator.userAgent.indexOf("Safari") != -1) {
return "Safari";
} else if (navigator.userAgent.indexOf("Firefox") != -1) {
return "Firefox";
} else if ((navigator.userAgent.indexOf("MSIE") != -1) || (!!document.documentMode == true)) {
// If IE > 10
return "IE";
} else {
return "Unknown";
}
}
// ======================== GET AMAZON MTURK WORKER ID ======================= //
// Get inferred subject ID from URL (credit to Eyal Peer)
function getSubjectID() {
var paramstr = window.location.search.substring(1);
var parampairs = paramstr.split("&");
var foundId;
for (i in parampairs) {
var pair = parampairs[i].split("=");
if (pair[0] == "PROLIFIC_PID") {
foundId = pair[1];
}
}
if (foundId){
return foundId;
} else {
return "testSubject";
}
}
// ======================== CONVERT JSON TO CSV ======================= //
// https://codingbeautydev.com/blog/javascript-convert-json-to-csv/ //
function jsonToCsv(items) {
const header = Object.keys(items[0]);
console.log(header);
const headerString = header.join(',');
// handle null or undefined values here
const replacer = (key, value) => value ?? '';
const rowItems = items.map((row) =>
header
.map((fieldName) => JSON.stringify(row[fieldName], replacer))
.join(',')
);
// join header and body, and break into separate lines
const csv = [headerString, ...rowItems].join('\r\n');
return csv;
}
function redirect() {
// TODO: redirect elsewhere?
window.location = "https://jhu.sona-systems.com/webstudy_credit.aspx?experiment_id=754&credit_token=2d6ab745370a4d0ba5567cdfdef69ee9&survey_code="+window.subjectID
}
// ======================== POST DATA TO SERVER ======================= //
function postData() {
// Collect responses into JSON / csv file
var dataString = JSON.stringify(window.frame);
const csv = jsonToCsv(window.frame);
// post response to server
$.post("http://pclpsrescit2.services.brown.edu/blt_lab/mp-7/data/studysave.php", {
fname: `${window.subjectID}.csv`,
postresult_string: csv,
}).done(function(){
$("#instructions").text(`Thank you! Your secret code is: ${secretCode}
Please copy and paste this into your submission box! You may then close this window.`);
$("#submitButton").hide();
});
$("#instructions").show();
$("#instructions").text("Thank you! Please wait while your secret code is being generated. This may take up to 5 minutes...");
}
//dollar sign = jQuery
var shape_A_preview_tmp;
var shape_A_test_tmp;
var shape_B_preview_tmp;
var shape_B_test_tmp;
var ball_A_color;
var ball_B_color;
var shape_C_preview_tmp;
var shape_C_test_tmp;
var shape_D_preview_tmp;
var shape_D_test_tmp;
var ball_C_color;
var ball_D_color;
var vertical_tmp_A;
var vertical_tmp_B;
var vertical_tmp_C;
var vertical_tmp_D;
var vertical_tmp_array = [-50,+50]; // QUESTION: what THIS?
function trialGenerator(nRepetitions,trialsInfo) {
// for (var j1 = 0; j1 < nRepetitions; j1++) { // 44 trials?
// var arr = [];
// while(arr.length < 2) {
// var r = Math.floor(Math.random() * 5);
// if(arr.indexOf(r) === -1) arr.push(r);
// }
// shape_A_preview_tmp = arr[0];
// shape_A_test_tmp = shape_A_preview_tmp;
// shape_B_preview_tmp = arr[1];
// shape_B_test_tmp = shape_B_preview_tmp;
// shape_C_preview_tmp = shape_A_preview_tmp;
// shape_C_test_tmp = shape_A_test_tmp;
// shape_D_preview_tmp = shape_B_preview_tmp;
// shape_D_test_tmp = shape_B_test_tmp;
// var arr_color = [];
// while(arr_color.length < 1) {
// var r = Math.floor(Math.random() * 5);
// if(arr_color.indexOf(r) === -1) arr_color.push(r);
// }
// ball_A_color = arr_color[0];
// ball_B_color = arr_color[0];
// ball_C_color = arr_color[0];
// ball_D_color = arr_color[0];
// var arr_vertical = [];
// while(arr_vertical.length < 2) {
// var r = Math.floor(Math.random() * 2);
// if(arr_vertical.indexOf(r) === -1) arr_vertical.push(r);
// }
// vertical_tmp_A = vertical_tmp_array[arr_vertical[0]];
// vertical_tmp_B = vertical_tmp_array[arr_vertical[1]];
// vertical_tmp_C = vertical_tmp_A;
// vertical_tmp_D = vertical_tmp_B;
// trialsInfo.push({
// "spatiotemporalType":"spatiotemporal_inconsistent",
// "matchType":"match",
// "colorType":"samecolor",
// "shape_A_pre_ind":shape_A_preview_tmp,
// "shape_A_test_ind":shape_A_test_tmp,
// "shape_B_pre_ind":shape_B_preview_tmp,
// "shape_B_test_ind":shape_B_test_tmp,
// "ball_A_color":ball_A_color,
// "ball_B_color":ball_B_color,
// "ball_C_color":ball_C_color,
// "ball_D_color":ball_D_color,
// "ball_A_vertical":vertical_tmp_A,
// "ball_B_vertical":vertical_tmp_B,
// "responseC": "null",
// "browser": getBrowser(),
// "subjectID": getSubjectID(),
// "startTime": "null",
// "endTime": "null",
// "reactTime":"null",
// });
// }
for (var j1 = 0; j1 < nRepetitions; j1++) { // 44 trials?
var arr = [];
while(arr.length < 2) {
var r = Math.floor(Math.random() * 5);
if(arr.indexOf(r) === -1) arr.push(r);
}
shape_A_preview_tmp = arr[0];
shape_A_test_tmp = shape_A_preview_tmp;
shape_B_preview_tmp = arr[1];
shape_B_test_tmp = shape_B_preview_tmp;
shape_C_preview_tmp = shape_A_preview_tmp;
shape_C_test_tmp = shape_A_test_tmp;
shape_D_preview_tmp = shape_B_preview_tmp;
shape_D_test_tmp = shape_B_test_tmp;
var arr_color = [];
while(arr_color.length < 2) {
var r = Math.floor(Math.random() * 5);
if(arr_color.indexOf(r) === -1) arr_color.push(r);
}
ball_A_color = arr_color[0];
ball_B_color = arr_color[1];
ball_C_color = arr_color[0];
ball_D_color = arr_color[1];
var arr_vertical = [];
while(arr_vertical.length < 2) {
var r = Math.floor(Math.random() * 2);
if(arr_vertical.indexOf(r) === -1) arr_vertical.push(r);
}
vertical_tmp_A = vertical_tmp_array[arr_vertical[0]];
vertical_tmp_B = vertical_tmp_array[arr_vertical[1]];
vertical_tmp_C = vertical_tmp_A;
vertical_tmp_D = vertical_tmp_B;
trialsInfo.push({
"spatiotemporalType":"non_spatiotemporal",
"matchType":"match",
"colorType":"diffcolor",
"shape_A_pre_ind":shape_A_preview_tmp,
"shape_A_test_ind":shape_A_test_tmp,
"shape_B_pre_ind":shape_B_preview_tmp,
"shape_B_test_ind":shape_B_test_tmp,
"ball_A_color":ball_A_color,
"ball_B_color":ball_B_color,
"ball_C_color":ball_C_color,
"ball_D_color":ball_D_color,
"ball_A_vertical":vertical_tmp_A,
"ball_B_vertical":vertical_tmp_B,
"responseC": "null",
"browser": getBrowser(),
"subjectID": getSubjectID(),
"startTime": "null",
"endTime": "null",
"reactTime":"null",
});
}
for (var j1 = 0; j1 < nRepetitions; j1++) { // 22 trials?
var arr = [];
while(arr.length < 3) {
var r = Math.floor(Math.random() * 5);
if(arr.indexOf(r) === -1) arr.push(r);
}
shape_A_preview_tmp = arr[0];
shape_A_test_tmp = shape_A_preview_tmp;
shape_B_preview_tmp = arr[1];
shape_B_test_tmp = arr[2];
shape_C_preview_tmp = shape_A_preview_tmp;
shape_C_test_tmp = shape_A_test_tmp;
shape_D_preview_tmp = shape_B_preview_tmp;
shape_D_test_tmp = shape_B_test_tmp;
var arr_color = [];
while(arr_color.length < 2) {
var r = Math.floor(Math.random() * 5);
if(arr_color.indexOf(r) === -1) arr_color.push(r);
}
ball_A_color = arr_color[0];
ball_B_color = arr_color[1];
ball_C_color = arr_color[0];
ball_D_color = arr_color[1];
var arr_vertical = [];
while(arr_vertical.length < 2) {
var r = Math.floor(Math.random() * 2);
if(arr_vertical.indexOf(r) === -1) arr_vertical.push(r);
}
vertical_tmp_A = vertical_tmp_array[arr_vertical[0]];
vertical_tmp_B = vertical_tmp_array[arr_vertical[1]];
vertical_tmp_C = vertical_tmp_A;
vertical_tmp_D = vertical_tmp_B;
trialsInfo.push({
"spatiotemporalType":"non_spatiotemporal",
"matchType":"new",
"colorType":"diffcolor",
"shape_A_pre_ind":shape_A_preview_tmp,
"shape_A_test_ind":shape_A_test_tmp,
"shape_B_pre_ind":shape_B_preview_tmp,
"shape_B_test_ind":shape_B_test_tmp,
"ball_A_color":ball_A_color,
"ball_B_color":ball_B_color,
"ball_C_color":ball_C_color,
"ball_D_color":ball_D_color,
"ball_A_vertical":vertical_tmp_A,
"ball_B_vertical":vertical_tmp_B,
"responseC": "null",
"browser": getBrowser(),
"subjectID": getSubjectID(),
"startTime": "null",
"endTime": "null",
"reactTime":"null",
});
}
// for (var j1 = 0; j1 < nRepetitions; j1++) { // 22 trials
// var arr = [];
// while(arr.length < 3) {
// var r = Math.floor(Math.random() * 5);
// if(arr.indexOf(r) === -1) arr.push(r);
// }
// shape_A_preview_tmp = arr[0];
// shape_A_test_tmp = arr[1];
// shape_B_preview_tmp = arr[2];
// shape_B_test_tmp = shape_B_preview_tmp;
// shape_C_preview_tmp = shape_A_preview_tmp;
// shape_C_test_tmp = shape_A_test_tmp;
// shape_D_preview_tmp = shape_B_preview_tmp;
// shape_D_test_tmp = shape_B_test_tmp;
// var arr_color = [];
// while(arr_color.length < 1) {
// var r = Math.floor(Math.random() * 5);
// if(arr_color.indexOf(r) === -1) arr_color.push(r);
// }
// ball_A_color = arr_color[0];
// ball_B_color = arr_color[0];
// ball_C_color = arr_color[0];
// ball_D_color = arr_color[0];
// var arr_vertical = [];
// while(arr_vertical.length < 2) {
// var r = Math.floor(Math.random() * 2);
// if(arr_vertical.indexOf(r) === -1) arr_vertical.push(r);
// }
// vertical_tmp_A = vertical_tmp_array[arr_vertical[0]];
// vertical_tmp_B = vertical_tmp_array[arr_vertical[1]];
// vertical_tmp_C = vertical_tmp_A;
// vertical_tmp_D = vertical_tmp_B;
// trialsInfo.push({
// "spatiotemporalType":"spatiotemporal_inconsistent",
// "matchType":"new",
// "colorType":"samecolor",
// "shape_A_pre_ind":shape_A_preview_tmp,
// "shape_A_test_ind":shape_A_test_tmp,
// "shape_B_pre_ind":shape_B_preview_tmp,
// "shape_B_test_ind":shape_B_test_tmp,
// "ball_A_color":ball_A_color,
// "ball_B_color":ball_B_color,
// "ball_C_color":ball_C_color,
// "ball_D_color":ball_D_color,
// "ball_A_vertical":vertical_tmp_A,
// "ball_B_vertical":vertical_tmp_B,
// "responseC": "null",
// "browser": getBrowser(),
// "subjectID": getSubjectID(),
// "startTime": "null",
// "endTime": "null",
// "reactTime":"null",
// });
// }
for (var j1 = 0; j1 < nRepetitions; j1++) { // 44 trials
var arr = [];
while(arr.length < 2) {
var r = Math.floor(Math.random() * 5);
if(arr.indexOf(r) === -1) arr.push(r);
}
shape_A_preview_tmp = arr[0];
shape_B_preview_tmp = arr[1];
shape_A_test_tmp = shape_B_preview_tmp;
shape_B_test_tmp = shape_A_preview_tmp;
shape_C_preview_tmp = shape_A_preview_tmp;
shape_C_test_tmp = shape_A_test_tmp;
shape_D_preview_tmp = shape_B_preview_tmp;
shape_D_test_tmp = shape_B_test_tmp;
var arr_color = [];
while(arr_color.length < 2) {
var r = Math.floor(Math.random() * 5);
if(arr_color.indexOf(r) === -1) arr_color.push(r);
}
ball_A_color = arr_color[0];
ball_B_color = arr_color[1];
ball_C_color = arr_color[0];
ball_D_color = arr_color[1];
var arr_vertical = [];
while(arr_vertical.length < 2) {
var r = Math.floor(Math.random() * 2);
if(arr_vertical.indexOf(r) === -1) arr_vertical.push(r);
}
vertical_tmp_A = vertical_tmp_array[arr_vertical[0]];
vertical_tmp_B = vertical_tmp_array[arr_vertical[1]];
vertical_tmp_C = vertical_tmp_A;
vertical_tmp_D = vertical_tmp_B;
trialsInfo.push({
"spatiotemporalType":"non_spatiotemporal",
"matchType":"swap",
"colorType":"diffcolor",
"shape_A_pre_ind":shape_A_preview_tmp,
"shape_A_test_ind":shape_A_test_tmp,
"shape_B_pre_ind":shape_B_preview_tmp,
"shape_B_test_ind":shape_B_test_tmp,
"ball_A_color":ball_A_color,
"ball_B_color":ball_B_color,
"ball_C_color":ball_C_color,
"ball_D_color":ball_D_color,
"ball_A_vertical":vertical_tmp_A,
"ball_B_vertical":vertical_tmp_B,
"responseC": "null",
"browser": getBrowser(),
"subjectID": getSubjectID(),
"startTime": "null",
"endTime": "null",
"reactTime":"null",
});
}
trialsInfo = shuffle(trialsInfo);
return trialsInfo;
}
var trialsInfo = [];
/*
nRepetitions is used to determine the number of trials in the experiment!
There are four sets of trials, which results in the following numbers within
the trialGenerator:
nRepetitions * 2
+ nRepetitions
+ nRepetitions
+ nRepetitions * 2!
So with nRepetitions = 22, you would have
22 + 22 + 22 + 22+22 = 132 trials
*/
var nRepetitions = 51; // 22
var frame = trialGenerator(nRepetitions,trialsInfo);
var nTrials = frame.length;
var trialsInfo_training = [];
var nRepetitions_training = 1;
var frame_training = trialGenerator(nRepetitions_training,trialsInfo_training);
var nTrials_training = frame_training.length;
var browser = getBrowser();
var subjectID = getSubjectID();
//---------------------------------------
//-----------FUNCTIONS BEGIN-------------
//---------------------------------------
/* Fisher-Yates shuffle */
function shuffle(o){
for(var j, x, i = o.length; i; j = Math.floor(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x);
return o;
}
function random(min,max) {
const num = Math.floor(Math.random() * (max - min)) + min;
return num;
}
function Ball(x,y,color,size) {
this.x = x;
this.y = y;
this.color = color;
this.size = size;
};
var nDots = 1;
var dotRadius = 40; //Radius of each dot in pixels
var balls = [];
// colorNumb = 10, red/ 200, yellow /380, green/ 1000, blue/ 1200, purple
var balls_colorArray = [10,200,380,1000,1200]; // QUESTION: what THIS? Why these numbers??
var colorInd;
var vartical_position
var x_0_A;
var y_0_A;
function generateNewBalls_A(ball_A_color) { // the ball on the left at beginning
colorInd = balls_colorArray[ball_A_color];
let colorNums = [];
var x_0s = [];
var y_0s = [];
var dist_tmp = [];
x_0_A = canvasWidth/2-230;
y_0_A = canvasHeight/2;
x_0s.push(x_0_A);
y_0s.push(y_0_A);
var colorNum = colorInd;
let ball = new Ball(
x_0_A,
y_0_A,
colorArray[colorNum],
dotRadius,
);
balls.push(ball);
colorNums.push(colorNum);
return balls;
}
var x_0_B;
var y_0_B;
function generateNewBalls_B(ball_B_color) { // the ball on the right at beginning
colorInd = balls_colorArray[ball_B_color];
let colorNums = [];
var x_0s = [];
var y_0s = [];
var dist_tmp = [];
x_0_B = canvasWidth/2+230;
y_0_B = canvasHeight/2;
x_0s.push(x_0_B);
y_0s.push(y_0_B);
var colorNum = colorInd;
let ball = new Ball(
x_0_B,
y_0_B,
colorArray[colorNum],
dotRadius,
);
balls.push(ball);
colorNums.push(colorNum);
return balls;
}
var x_0_C;
var y_0_C;
//var vertical_tmp_array = [-50,+50];
function generateNewBalls_C(ball_C_color,arr_vertical) { // the ball on top
colorInd = balls_colorArray[ball_C_color];
vertical_position_C = vertical_tmp_A;
let verticalNums = []
//console.log("generateNewBalls_C:" vertical_tmp_C);
let colorNums = [];
var x_0s = [];
var y_0s = [];
var dist_tmp = [];
x_0_C = canvasWidth_2/2;
y_0_C = 650 + vertical_position_C ;
console.log("generateNewBalls_C:", vertical_position_C);
x_0s.push(x_0_C);
y_0s.push(y_0_C);
var colorNum = colorInd;
let ball = new Ball(
x_0_C,
y_0_C,
colorArray[colorNum],
dotRadius,
);
balls.push(ball);
colorNums.push(colorNum);
return balls;
}
var x_0_D;
var y_0_D;
function generateNewBalls_D(ball_D_color,arr_vertical) { // the ball on bottom
colorInd = balls_colorArray[ball_D_color];
vertical_position_D = vertical_tmp_B;
//console.log("generateNewBalls_D:" vertical_tmp_D);
let colorNums = [];
var x_0s = [];
var y_0s = [];
var dist_tmp = [];
x_0_D = canvasWidth_2/2;
y_0_D = 650 + vertical_position_D;
console.log("generateNewBalls_D:", vertical_position_D);
x_0s.push(x_0_D);
y_0s.push(y_0_D);
var colorNum = colorInd;
let ball = new Ball(
x_0_D,
y_0_D,
colorArray[colorNum],
dotRadius,
);
balls.push(ball);
colorNums.push(colorNum);
return balls;
}
Ball.prototype.draw_balls = function() {
ctx_L.beginPath();
ctx_L.fillStyle = this.color;
ctx_L.arc(this.x, this.y, this.size, 0, 2 * Math.PI);
ctx_L.fill();
};
Ball.prototype.draw_balls_2 = function() {
ctx_2.beginPath();
ctx_2.fillStyle = this.color;
ctx_2.arc(this.x, this.y, this.size, 0, 2 * Math.PI);
ctx_2.fill();
}
Ball.prototype.updateColor = function() { // updates color, when color_change_rate is zero, no color change
var pos = colorArray.indexOf(this.color);
if(pos >= colorArray.length - 1 - color_change_rate) {
pos = colorArray.length - 1 - pos;
} else {
pos = colorArray.indexOf(this.color);
}
this.color = colorArray[pos+color_change_rate];
};
var velX = 4.5; // QUESTION: what THIS?
// var velY = 1.5;
var edgeX = 100; // QUESTION: what THIS?
Ball.prototype.updatePosition_A = function() { // define the moving path
if (this.x < canvasWidth/2) {
this.x = this.x + velX;
if (this.x < x_0_A+dotRadius/4) {
this.y = this.y+10;
}
if (x_0_A+dotRadius/4 <= this.x && this.x < x_0_A+dotRadius/2) {
this.y = this.y+15;
}
if (x_0_A+dotRadius/2 <= this.x && this.x < x_0_A+1.5*dotRadius) {
this.y = this.y-3;
}
if (x_0_A+1.5*dotRadius <= this.x && this.x < x_0_A+2*dotRadius) {
this.y = this.y;
}
if (x_0_A+2*dotRadius <= this.x && this.x < x_0_A+3*dotRadius) {
this.y = this.y-3;
}
if (x_0_A+3*dotRadius <= this.x && this.x < x_0_A+3*dotRadius) {
this.y = this.y+3;
}
if (x_0_A+3*dotRadius <= this.x && this.x < canvasWidth/2) {
this.y = canvasHeight/2;
}
}
else {
this.x = canvasWidth/2;
this.y = canvasHeight/2+vertical_tmp_A;
}
};
Ball.prototype.updatePosition_B = function() {
if (this.x > canvasWidth/2) {
this.x = this.x - velX;
if (this.x > x_0_B-dotRadius/4) {
this.y = this.y+10;
}
if (x_0_B-dotRadius/2 < this.x && this.x <= x_0_B-dotRadius/4) {
this.y = this.y+15;
}
if (x_0_B-1.5*dotRadius < this.x && this.x <= x_0_B-dotRadius/2) { // QUESTION: WHY 1.5?? WHAT IS THIS?
this.y = this.y-3;
}
if (x_0_B-2*dotRadius < this.x && this.x <= x_0_B-1.5*dotRadius) {
this.y = this.y;
}
if (x_0_B-3*dotRadius < this.x && this.x <= x_0_B-2*dotRadius) {
this.y = this.y-3;
}
if (x_0_B-5*dotRadius < this.x && this.x <= x_0_B-5*dotRadius) {
this.y = this.y+3;
}
if (canvasWidth/2 < this.x && this.x <= x_0_B-5*dotRadius) {
this.y = canvasHeight/2;
}
}
else {
this.x = canvasWidth/2;
this.y = canvasHeight/2+vertical_tmp_B;
}
};
// exp procedures
function showInstructions() {
$('#consent').hide();
$('#Instruction1').show();
$('#continueInstructionButton1').show();
}
function continueInstruction1() {
$('#Instruction1').hide();
$('#continueInstructionButton1').hide();
$('#Instruction2').show();
$('#startTrainingButton').show();
}
let balls_A = [];
let balls_B = [];
let balls_C = [];
let balls_D = [];
var trainingTrial = 0;
function showTrials_training_0() {
responseAcceptable = false;
$('#title').hide();
$('#Instruction2').hide();
$('#startTrainingButton').hide();
$('#InstructionPractice').show();
balls = generateNewBalls_A(trialsInfo_training[trainingTrial].ball_A_color);
balls_A = balls;
balls = [];
balls = generateNewBalls_B(trialsInfo_training[trainingTrial].ball_B_color);
balls_B = balls;
balls = [];
balls = generateNewBalls_C(trialsInfo_training[trainingTrial].ball_C_color, trialsInfo_training[trainingTrial].vertical_tmp_C);
balls_C = balls;
balls = [];
balls = generateNewBalls_D(trialsInfo_training[trainingTrial].ball_D_color, trialsInfo_training[trainingTrial].vertical_tmp_D);
balls_D = balls;
balls = [];
$('#canvas_L').show();
//$('#canvas_2').show();
ctx_L.drawImage(occluder,canvasWidth/2-50,canvasHeight/2-100);
balls_A[0].draw_balls();
//balls_A[0].updateColor();
balls_B[0].draw_balls();
//balls_B[0].updateColor();
balls_C[0].draw_balls();
//balls_C[0].updateColor();
balls_D[0].draw_balls();
//balls_D[0].updateColor();
stimuliPreview();
}
function showTrials_training() {
responseAcceptable = false;
$('#Instruction4').hide();
$('#nextTrainingTrialButton').hide();
trainingTrial ++;
if (trainingTrial <= trialsInfo_training.length-1) {
balls = generateNewBalls_A(trialsInfo_training[trainingTrial].ball_A_color);
balls_A = balls;
balls = [];
balls = generateNewBalls_B(trialsInfo_training[trainingTrial].ball_B_color);
balls_B = balls;
balls = [];
balls = generateNewBalls_C(trialsInfo_training[trainingTrial].ball_C_color, trialsInfo_training[trainingTrial].vertical_tmp_C);
balls_C = balls;
balls = [];
balls = generateNewBalls_D(trialsInfo_training[trainingTrial].ball_D_color, trialsInfo_training[trainingTrial].vertical_tmp_D);
balls_D = balls;
balls = [];
$('#Instruction2').hide();
ctx_L.fillStyle = 'gray';
ctx_L.clearRect(0,0,canvas_L.width, canvas_L.height);
$('#canvas_L').show();
ctx_L.drawImage(occluder,canvasWidth/2-50,canvasHeight/2-100);
balls_A[0].draw_balls();
//balls_A[0].updateColor();
balls_B[0].draw_balls();
//balls_B[0].updateColor();
balls_C[0].draw_balls();
//balls_C[0].updateColor();
balls_D[0].draw_balls();
//balls_D[0].updateColor();
stimuliPreview();
} else {
$('#InstructionPractice').hide();
$('#Instruction3').show();
$('#startExpButton').show();
}
}
var curTrial = 0;
function showTrials_exp_0() {
responseAcceptable = false;
$('#title').hide();
$('#Instruction3').hide();
$('#startExpButton').hide();
balls = generateNewBalls_A(trialsInfo[curTrial].ball_A_color);
balls_A = balls;
balls = [];
balls = generateNewBalls_B(trialsInfo[curTrial].ball_B_color);
balls_B = balls;
balls = [];
balls = generateNewBalls_C(trialsInfo[curTrial].ball_C_color);
balls_C = balls;
balls = [];
balls = generateNewBalls_D(trialsInfo[curTrial].ball_D_color);
balls_D = balls;
balls = [];
ctx_L.fillStyle = 'gray';
ctx_L.clearRect(0,0,canvas_L.width, canvas_L.height);
startTrialTime = new Date();
trialsInfo[curTrial].startTime= startTrialTime;
$('#canvas_L').show();
ctx_L.drawImage(occluder,canvasWidth/2-50,canvasHeight/2-100);
balls_A[0].draw_balls();
balls_A[0].updateColor();
balls_B[0].draw_balls();
balls_B[0].updateColor();
balls_C[0].draw_balls();
//balls_C[0].updateColor();
balls_D[0].draw_balls();
//balls_D[0].updateColor();
stimuliPreview();
}
function showTrials_exp() {
responseAcceptable = false;
curTrial++;
$('#Instruction4').hide();
$('#nextTrialButton').hide();
if (curTrial <= trialsInfo.length - 1) {
balls = generateNewBalls_A(trialsInfo[curTrial].ball_A_color);
balls_A = balls;
balls = [];
balls = generateNewBalls_B(trialsInfo[curTrial].ball_B_color);
balls_B = balls;
balls = [];
balls = generateNewBalls_C(trialsInfo[curTrial].ball_C_color);
balls_C = balls;
balls = [];
balls = generateNewBalls_D(trialsInfo[curTrial].ball_D_color);
balls_D = balls;
balls = [];
ctx_L.fillStyle = 'gray';
ctx_L.clearRect(0,0,canvas_L.width, canvas_L.height);
startTrialTime = new Date();
trialsInfo[curTrial].startTime= startTrialTime;
$('#canvas_L').show();
ctx_L.drawImage(occluder,canvasWidth/2-50,canvasHeight/2-100);
balls_A[0].draw_balls();
balls_A[0].updateColor();
balls_B[0].draw_balls();
balls_B[0].updateColor();
balls_C[0].draw_balls();
//balls_C[0].updateColor();
balls_D[0].draw_balls();
//balls_D[0].updateColor();
stimuliPreview();
} else {
$('#Instruction5').show();
$('#submitButton').show();
}
}
var myTimeout10;
var myTimeout11;
var myTimeout12;
var shapeInd_A_pre;
var shapeInd_A_test;
var shapeInd_B_pre;
var shapeInd_B_test;
var colorDisk = 500; // QUESTION: WHY 500
var previewShape = 1200; // QUESTION: WHAT THIS???
function stimuliPreview() { // the phases before the diska and shapes move
myTimeout10 = setTimeout(function() {
if (trainingTrial <= trialsInfo_training.length-1) {
shapeInd_A_pre = trialsInfo_training[trainingTrial].shape_A_pre_ind;
shapeInd_B_pre = trialsInfo_training[trainingTrial].shape_B_pre_ind;
}
if (trainingTrial == trialsInfo_training.length && curTrial>=0) {
shapeInd_A_pre = trialsInfo[curTrial].shape_A_pre_ind;
shapeInd_B_pre = trialsInfo[curTrial].shape_B_pre_ind;
}
if (shapeInd_A_pre == 0) {
shapeTmp = document.getElementById("shape0");
} else if (shapeInd_A_pre == 1) {
shapeTmp = document.getElementById("shape1");
} else if (shapeInd_A_pre == 2) {
shapeTmp = document.getElementById("shape2");
} else if (shapeInd_A_pre == 3) {
shapeTmp = document.getElementById("shape3");
} else if (shapeInd_A_pre == 4) {
shapeTmp = document.getElementById("shape4");
}
ctx_L.drawImage(shapeTmp, balls_A[0].x-27, balls_A[0].y-27)
// ctx_L.fillStyle = 'white';
// ctx_L.font = "20px Arial";
// ctx_L.fillText(shapeInd_A_pre, balls_A[0].x, balls_A[0].y);
if (shapeInd_B_pre == 0) { // shapeTmp is being set to the shape objects in the DOM
shapeTmp = document.getElementById("shape0");
} else if (shapeInd_B_pre == 1) {
shapeTmp = document.getElementById("shape1");
} else if (shapeInd_B_pre == 2) {
shapeTmp = document.getElementById("shape2");
} else if (shapeInd_B_pre == 3) {
shapeTmp = document.getElementById("shape3");
} else if (shapeInd_B_pre == 4) {
shapeTmp = document.getElementById("shape4");
}
ctx_L.drawImage(shapeTmp, balls_B[0].x-27, balls_B[0].y-27)
// ctx_L.fillStyle = 'white';
// ctx_L.font = "20px Arial";
// ctx_L.fillText(shapeInd_B_pre, balls_B[0].x, balls_B[0].y);
myTimeout11 = setTimeout(function() {
balls_A[0].draw_balls();
//balls_A[0].updateColor();
balls_B[0].draw_balls();
//balls_B[0].updateColor();
balls_C[0].draw_balls();
//balls_C[0].updateColor();
balls_D[0].draw_balls();
//balls_D[0].updateColor();
myTimeout12 = setTimeout(function() {
animate();
},colorDisk)
},previewShape)
},colorDisk)
}
var refresh_stimuliOnset_test = 0;
var color_change_rate = 0;
var myTimeout;
var myReq;
var startResponseTiming = false;
var occluder_velX = 0;
var occluder_velY = 40;
var occluder_posX = 0;
var occluder_posY = 40;
function animate() { // make the balls and the shapes move together, and occluder when spatiotemporal feature is inconsistent
myTimeout = setTimeout (function() {
ctx_L.fillStyle = 'gray';
ctx_L.clearRect(0,0,canvas_L.width, canvas_L.height);
if (trainingTrial < trialsInfo_training.length) {
vertical_tmp_A = trialsInfo_training[trainingTrial].ball_A_vertical;
vertical_tmp_B = trialsInfo_training[trainingTrial].ball_B_vertical;
}
if (trainingTrial == trialsInfo_training.length && curTrial < trialsInfo.length) {
vertical_tmp_A = trialsInfo[curTrial].ball_A_vertical;
vertical_tmp_B = trialsInfo[curTrial].ball_B_vertical;
}
balls_A[0].draw_balls();
balls_A[0].updateColor();
balls_A[0].updatePosition_A();
balls_B[0].draw_balls();
balls_B[0].updateColor();
balls_B[0].updatePosition_B();
balls_C[0].draw_balls();
//balls_C[0].updateColor();
balls_D[0].draw_balls();
//balls_D[0].updateColor();
refresh_stimuliOnset_test ++;
console.log(refresh_stimuliOnset_test);
if (refresh_stimuliOnset_test < 76) {
ctx_L.drawImage(occluder,canvasWidth/2-50,canvasHeight/2-100);
occluder_posY = 40;
balls_C[0].draw_balls();