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var TOP = 1;
var RIGHT = 2
var BOTTOM = 3;
var LEFT = 4;
var TOP_RIGHT = 5;
var BOTTOM_RIGHT = 6;
var BOTTOM_LEFT = 7;
var TOP_LEFT = 8;
var wWidth = window.innerWidth;
var wHeight = window.innerHeight;
var oldWHeight;
var oldWWidth;
let frameRateArray = [];
function updateVars(){
oldWWidth = wWidth;
oldWHeight = wHeight;
wWidth = window.innerWidth;
wHeight = window.innerHeight;
}
function collisionDetection(obj0, obj1){
var sp = strokePadding;
if (sp == null) sp = 0;
if (obj0.isEllipse && obj1.isRectangle){
//Ball
var b = obj0;
//Rectangle
var r = obj1;
for (var i = 0; i < TWO_PI; i += PI / 32){
/* Check every borderpoint of the ball beginning
at the top in clock direction up to top again */
// Ball Center X
var bcx = b.x;
// Ball Center Y
var bcy = b.y;
// Ball Border X
var bbx = b.x + sin(i) * b.r;
// Ball Border Y inverted because Y = 0 is the TOP of the screen
var bby = b.y - cos(i) * b.r;
// Rectangle Width
var rW = r.width + 2 * sp;
// Rectangle Height
var rH = r.height + 2 * sp;
// Rectangle Border X
var rX = r.x - sp;
// Rectangle Border Y
var rY = r.y - sp;
// Objects touch
if (bbx > rX && bbx < rX + rW
&& bby > rY && bby < rY + rH){
// STRAIGHT FACES //
//Top/Bottom touch
if (bcx > rX && bcx < rX + rW){
//Top touch
if (b.v.y > 0) return {isTouching: true, location: TOP};
//Bottom touch
if (b.v.y < 0) return {isTouching: true, location: BOTTOM};
}
//Left/Right touch
if (bcy > rY && bcy < rY + rH){
//Left touch
if (b.v.x > 0) return {isTouching: true, location: LEFT};
//Right touch
if (b.v.x < 0) return {isTouching: true, location: RIGHT};
}
// CORNERS //
// BOTTOM Left/Right
if (i > 0 && i <= PI / 2) return {isTouching: true, location: BOTTOM_LEFT};
//LEFT Bottom/Top
if (i > PI / 2 && i <= PI) return {isTouching: true, location: TOP_LEFT};
//TOP Left/Right
if (i > PI && i <= PI + PI / 2) return {isTouching: true, location: TOP_RIGHT};
//RIGHT Bottom/Top
if (i > PI + PI / 2 && i <= TWO_PI) return {isTouching: true, location: BOTTOM_RIGHT};
}
}
}
if (obj0.isEllipse && obj1.isEllipse){
//Ball 1
var b1 = obj0;
//Ball 2
var b2 = obj1;
//Balls are close to each other
if (b1.x + b1.r > b2.x - b2.r
&& b1.x - b1.r < b2.x + b2.r
&& b1.y + b1.r > b2.y - b2.r
&& b1.y - b1.r < b2.y + b2.r){
var distance = sqrt(pow(b1.x - b2.x, 2) + pow(b1.y - b2.y, 2));
if (distance < b1.r + b2.r) return {isTouching: true};
}
}
return {isTouching: false, location: 0};
}
function performCollision(obj0, obj1, collision){
if (obj0.isEllipse){
var ball = obj0;
//Ball collides with frameborder
if (obj1.isFrameborder){
switch (collision.location){
case BOTTOM:
ball.v.y *= -1;
break;
case LEFT:
case RIGHT:
ball.v.x *= -1;
break;
}
if (testMode && collision.location == TOP) ball.v.y *= -1;
ball.move();
}
//Ball collides with any brick
if (obj1.isBrick){
switch (collision.location){
case TOP:
case BOTTOM:
ball.v.y *= -1;
ball.move();
return;
case LEFT:
case RIGHT:
ball.v.x *= -1;
ball.move();
return;
case TOP_LEFT:
var cornerX = obj1.x;
var cornerY = obj1.y;
break;
case TOP_RIGHT:
var cornerX = obj1.x + obj1.width;
var cornerY = obj1.y;
break;
case BOTTOM_LEFT:
var cornerX = obj1.x;
var cornerY = obj1.y + obj1.height;
break;
case BOTTOM_RIGHT:
var cornerX = obj1.x + obj1.width;
var cornerY = obj1.y + obj1.height;
break;
}
var nx = ball.x - cornerX;
var ny = ball.y - cornerY;
var length = sqrt(nx * nx + ny * ny);
nx /= length;
ny /= length;
var projection = ball.v.x * nx + ball.v.y * ny;
ball.v.x = ball.v.x - 2 * projection * nx;
ball.v.y = ball.v.y - 2 * projection * ny;
ball.move();
}
//Ball collides with paddleboard
if (obj1.isPaddle){
switch (collision.location){
case TOP:
case TOP_LEFT:
case TOP_RIGHT:
ball.v.x = ball.calcVelocityX(obj1, ball.v.x);
ball.v.y = -ball.calcVelocityY();
ball.move();
return;
case LEFT:
case RIGHT:
ball.v.x *= -1;
ball.move();
return;
case BOTTOM_LEFT:
var cornerX = obj1.x;
var cornerY = obj1.y + obj1.height;
break;
case BOTTOM_RIGHT:
var cornerX = obj1.x + obj1.width;
var cornerY = obj1.y + obj1.height;
break;
}
var nx = ball.x - cornerX;
var ny = ball.y - cornerY;
var length = sqrt(nx * nx + ny * ny);
nx /= length;
ny /= length;
var projection = ball.v.x * nx + ball.v.y * ny;
ball.v.x = ball.v.x - 2 * projection * nx;
ball.v.y = ball.v.y - 2 * projection * ny;
ball.move();
}
//Ball collides with other ball
if (obj1.isEllipse){
//Ball 1
var b1 = obj0;
//Ball 2
var b2 = obj1;
//Set mass equal to radius of each ball
b1.mass = b1.r;
b2.mass = b2.r;
//Colliding angle of ball 1 to ball 2 using arc tan of both x and y differences
var collisionAngle = atan2((b2.y - b1.y), (b2.x - b1.x));
//Converting directions of velocity vector of balls into angles
var d1 = atan2(b1.v.y, b1.v.x);
var d2 = atan2(b2.v.y, b2.v.x);
//Ignoring mass effects new velocites are simply magnitude multiplied with value of angle differences
var newXspeed1 = b1.v.mag * cos(d1 - collisionAngle);
var newYspeed1 = b1.v.mag * sin(d1 - collisionAngle);
var newXspeed2 = b2.v.mag * cos(d2 - collisionAngle);
var newYspeed2 = b2.v.mag * sin(d2 - collisionAngle);
//According to the principle of linear momentum, kinetic energy stays the same after collision, so velocities are now related to masses
var finalXspeed1 = ((b1.mass - b2.mass) * newXspeed1 + b2.mass * 2 * newXspeed2) / (b1.mass + b2.mass);
var finalYspeed1 = newYspeed1;
var finalXspeed2 = (b1.mass * 2 * newXspeed1 + (b2.mass - b1.mass) * newXspeed2) / (b1.mass + b2.mass);
var finalYspeed2 = newYspeed2;
//Values of collisionAngle
var cosAngle = cos(collisionAngle);
var sinAngle = sin(collisionAngle);
//To also keep velocites relative to pure collisionAngle, subtract sin*x from cos*x and add sin*y to cos*y because coordSystem has y = 0 on the top
var u1x = cosAngle * finalXspeed1 - sinAngle * finalYspeed1;
var u1y = sinAngle * finalXspeed1 + cosAngle * finalYspeed1;
var u2x = cosAngle * finalXspeed2 - sinAngle * finalYspeed2;
var u2y = sinAngle * finalXspeed2 + cosAngle * finalYspeed2;
//Set new velocities to both balls
b1.v.x = u1x;
b1.v.y = u1y;
b2.v.x = u2x;
b2.v.y = u2y;
//Update magnitude
b1.v.mag = sqrt(pow(b1.v.x, 2) + pow(b1.v.y, 2));
b2.v.mag = sqrt(pow(b2.v.x, 2) + pow(b2.v.y, 2));
//Move balls one vx/vy forward to avoid double inverting collision detection
b1.x += b1.v.x;
b1.y += b1.v.y;
b2.x += b2.v.x;
b2.y += b2.v.y;
}
}
}
function toTimeString(time, hoursWanted){
var time = floor(time / 10);
var hs = String(floor(time % 100));
var fs = String(floor((time / 100) % 60));
if (hoursWanted){
var min = String(floor(((time / 100) / 60) % 60));
var hr = String(floor(((time / 100) / 60) / 60));
if (hs.length < 2) hs = "0" + hs;
if (fs.length < 2) fs = "0" + fs;
if (min.length < 2) min = "0" + min;
if (hr.length < 2) hr = "0" + hr;
var timeString = hr + ":" + min + ":" + fs + ":" + hs;
} else {
var min = String(floor(((time / 100) / 60) % 60));
if (hs.length < 2) hs = "0" + hs;
if (fs.length < 2) fs = "0" + fs;
if (min.length < 2) min = "0" + min;
var timeString = min + ":" + fs + ":" + hs;
}
return timeString;
}
function setCookie(name, value, years){
var expires = "";
if (years){
var date = new Date();
date.setTime(date.getTime() + (years * 365 * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toUTCString();
}
document.cookie = name + "=" + value + expires + "; path=/";
}
function getCookie(name){
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++){
var c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1, c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
}
return null;
}
function deleteCookies(){
for (var i = 0; i < arguments.length; i++) setCookie(arguments[i], "", -1);
}
function deleteAllCookies(){
var cookies = document.cookie.split(";");
for (var i = 0; i < cookies.length; i++) deleteCookies(cookies[i].split("=")[0]);
}
Array.prototype.shuffle = function(){
let currentIndex = this.length, temporaryValue, randomIndex;
while (0 != currentIndex){
randomIndex = floor(random() * currentIndex);
currentIndex -= 1;
temporaryValue = this[currentIndex];
this[currentIndex] = this[randomIndex];
this[randomIndex] = temporaryValue;
}
}
Array.prototype.clone = function(){
return this.slice(0);
};
Array.prototype.partitiate = function(dimensions){
if (dimensions == 0) return this;
let parts = [];
while(this.length) parts.push(this.splice(0, round(pow(this.length, 1 / (1 + 1 / dimensions)))).partitiate(dimensions - 1));
return parts;
}
function debugInformation(){
let x = viewPort.x,
y = viewPort.y;
textSize(12);
textStyle(NORMAL);
stroke(255);
strokeWeight(1);
fill(255);
text("FPS : " + round(frameRate()), 10 + x, 10 + textAscent("FPS : ") + y);
text("MouseX : " + round(mouseX + x), 10 + x, 10 + textAscent("FPS : ") + 10 + textAscent("MouseX : ") + y);
text("MouseY : " + round(-mouseY - y), 10 + x, 10 + textAscent("FPS : ") + 10 + textAscent("MouseX : ") + 10 + textAscent("MouseY : ") + y);
}
function ColorPicker(editor) {
this.movingObject = "";
this.updateFromHSV = function(){
this.h = 1 - $("#hue_picker").position().top / $("#hue").height();
this.s = ($("#sb_picker").position().left + 8) / $("#saturation").width();
this.v = 1 - ($("#sb_picker").position().top + 8) / $("#value").height();
this.r = HSVtoRGB(this.h, this.s, this.v).r;
this.g = HSVtoRGB(this.h, this.s, this.v).g;
this.b = HSVtoRGB(this.h, this.s, this.v).b;
this.hex = RGBtoHEX(this.r, this.g, this.b);
this.updateInterface();
}
this.updateFromRGB = function(){
this.r = $($(".color_picker_rgb")[0]).val();
this.g = $($(".color_picker_rgb")[1]).val();
this.b = $($(".color_picker_rgb")[2]).val();
this.h = RGBtoHSV(this.r, this.g, this.b).h;
this.s = RGBtoHSV(this.r, this.g, this.b).s;
this.v = RGBtoHSV(this.r, this.g, this.b).v;
this.hex = RGBtoHEX(this.r, this.g, this.b);
this.updateFromHEX(null, true);
this.updateInterface();
}
this.updateFromHEX = function(input, otf){
if (!otf){ //Not on the fly
if ($(input).val().isValidHEX()) this.hex = $(input).val();
else {
alert("Error!");
return;
}
}
this.r = HEXtoRGB(this.hex).r;
this.g = HEXtoRGB(this.hex).g;
this.b = HEXtoRGB(this.hex).b;
this.h = RGBtoHSV(this.r, this.g, this.b).h;
this.s = RGBtoHSV(this.r, this.g, this.b).s;
this.v = RGBtoHSV(this.r, this.g, this.b).v;
this.updateInterface();
}
this.updateInterface = function(){
var o = Math.round((this.r * 299 + (this.g * 587) + (this.b * 114)) / 1000); //https://www.nbdtech.com/Blog/archive/2008/04/27/Calculating-the-Perceived-Brightness-of-a-Color.aspx
this.fontColor = (o > 125) ? "#000" : "#FFF";
$($(".color_picker_rgb")[0]).val(this.r);
$($(".color_picker_rgb")[1]).val(this.g);
$($(".color_picker_rgb")[2]).val(this.b);
$("#color_picker_hex").val(this.hex);
$("#hue_picker").css("top", (1 - this.h) * $("#hue").height());
$("#sb_picker").css({
"left": this.s * $("#saturation").width() - 8,
"top": (1 - this.v) * $("#value").height() - 8
});
var sRGB = HSVtoRGB(this.h, 1, 1);
var saturationBackground = "linear-gradient(to right, #FFF 0%, rgb("
+ sRGB.r + ","
+ sRGB.g + ","
+ sRGB.b + ") 100%)";
$("#saturation").css("background", saturationBackground);
/*$($(".color_picker_rgb")[0]).css({
"background-color": "rgb(" + this.r + ", 0, 0)"
});
$($(".color_picker_rgb")[1]).css({
"background-color": "rgb(0, " + this.g + ", 0)"
});
$($(".color_picker_rgb")[2]).css({
"background-color": "rgb(0, 0, " + this.b + ")"
});*/
//Fancy but overloaded
$("#color_picker_hex").css({
"background-color": this.hex,
"color": this.fontColor
});
}
this.mousePressed = function(){
var x = winMouseX - $("#saturation").offset().left;
var y = winMouseY - $("#value").offset().top;
if (x > 0 && x < $("#saturation").width() && y > 0 && y < $("#value").height()){
this.movingObject = "sb";
}
if (x > $("#saturation").width() + 6 && x < $("#saturation").width() + 6 + $("#hue").width() && y > 0 && y < $("#hue").height()){
this.movingObject = "hue";
}
this.mouseDragged();
}
this.mouseDragged = function(){
if (this.movingObject == "hue"){
var objH = $("#hue");
var picker = $("#hue_picker");
var h = winMouseY - objH.offset().top;
if (h > 0 && h < objH.height()){
picker.css("top", h - 1);
} else if (h > objH.height()){
picker.css("top", objH.height() - 1);
} else if (h < 0){
picker.css("top", -1);
}
}
if (this.movingObject == "sb"){
var objS = $("#saturation");
var objV = $("#value");
var picker = $("#sb_picker");
var s = winMouseX - objS.offset().left;
var v = winMouseY - objV.offset().top;
if (s > 0 && s < objS.width()){
picker.css("left", s - 8);
} else if (s < 0){
picker.css("left", -8);
} else if (s < objS.width()){
picker.css("left", objS.width() - 8);
}
if (v > 0 && v < objV.height()){
picker.css("top", v - 8);
} else if (v < 0){
picker.css("top", -8);
} else if (v > objV.height()){
picker.css("top", objV.height() - 8);
}
}
this.updateFromHSV();
}
this.mouseReleased = function(){
this.movingObject = "";
}
this.getColor = function(){
return this.hex;
}
}
//www.stackoverflow.com -->
function RGBtoHEX(r, g, b) {
var rgb = b | (g << 8) | (r << 16);
return '#' + (0x1000000 + rgb).toString(16).slice(1);
}
function HEXtoRGB(hex) {
var shorthandRegex = /^#?([a-fA-F\d])([a-fA-F\d])([a-fA-F\d])$/i;
hex = hex.replace(shorthandRegex, function(m, r, g, b) {
return r + r + g + g + b + b;
});
var result = /^#?([a-fA-F\d]{2})([a-fA-F\d]{2})([a-fA-F\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16)
} : null;
}
function HSVtoRGB(h, s, v) {
var r, g, b, i, f, p, q, t;
if (arguments.length === 1) {
s = h.s, v = h.v, h = h.h;
}
i = Math.floor(h * 6);
f = h * 6 - i;
p = v * (1 - s);
q = v * (1 - f * s);
t = v * (1 - (1 - f) * s);
switch (i % 6) {
case 0: r = v, g = t, b = p; break;
case 1: r = q, g = v, b = p; break;
case 2: r = p, g = v, b = t; break;
case 3: r = p, g = q, b = v; break;
case 4: r = t, g = p, b = v; break;
case 5: r = v, g = p, b = q; break;
}
return {
r: Math.round(r * 255),
g: Math.round(g * 255),
b: Math.round(b * 255)
};
}
function RGBtoHSV(r, g, b) {
if (arguments.length === 1) {
g = r.g, b = r.b, r = r.r;
}
var max = Math.max(r, g, b), min = Math.min(r, g, b),
d = max - min,
h,
s = (max === 0 ? 0 : d / max),
v = max / 255;
switch (max) {
case min: h = 0; break;
case r: h = (g - b) + d * (g < b ? 6: 0); h /= 6 * d; break;
case g: h = (b - r) + d * 2; h /= 6 * d; break;
case b: h = (r - g) + d * 4; h /= 6 * d; break;
}
return {
h: h,
s: s,
v: v
};
}
String.prototype.isValidHEX = function(){
return /(^#[0-9A-Fa-f]{6}$)|(^#[0-9A-Fa-f]{3}$)/i.test(this);
}