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Update from task 39a76c76-9d31-418c-a7d3-76031668b634 #1

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Update from task 39a76c76-9d31-418c-a7d3-76031668b634 #1

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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Nothing needs to be added to .gitignore since the changes only include source files (.js, .html) and the existing .gitignore is empty.
233 changes: 17 additions & 216 deletions index.html
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Original file line number Diff line number Diff line change
@@ -1,217 +1,18 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Go</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<header id="turn"></header>
<div id="wrapper">
<canvas id="canvas" ></canvas>
</div>


<script>
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
canvas.width = 2000;
canvas.height = 2000;
var CellSize = 50;
var numberofCells = Math.floor(canvas.width / CellSize);
canvas.width = CellSize * numberofCells + 2;
canvas.height = canvas.width;

window.addEventListener("load", drawGrid);
var PosX = 0, PosY = 0;

canvas.addEventListener("mousemove", ()=>{
PosX = event.offsetX;
PosY = event.offsetY;
});

var color = ["red", "blue"];
var turn = 0;

var isDot = new Array(numberofCells);
for(let i = 0; i < numberofCells; i++){
isDot[i] = new Array(numberofCells);
}

var Dots = {
"red": [],
"blue": []
};

var header_text = ["Ход Красного", "Ход Синего"];
var header_color = ["red", "blue"];


document.getElementById("turn").innerHTML = header_text[turn];
document.getElementById("turn").classList.add(header_color[turn]);


canvas.addEventListener("mousedown", ()=>{
let ostX1 = PosX % CellSize;
let ostX2 = CellSize - ostX1;
let ostY1 = PosY % CellSize;
let ostY2 = CellSize - ostY1;
PosX = (ostX1 <= 20 ? PosX - ostX1 : (ostX2 <= 20 ? PosX + ostX2 : PosX));
PosY = (ostY1 <= 20 ? PosY - ostY1 : (ostY2 <= 20 ? PosY + ostY2 : PosY));

if(PosX % CellSize == 0 && PosY % CellSize == 0 && isDot[PosX / CellSize][PosY / CellSize] == undefined){

isDot[PosX / CellSize][PosY / CellSize] = color[turn];
Dots[color[turn]].push([PosX / CellSize, PosY / CellSize]);

ctx.beginPath();
ctx.arc(PosX, PosY, 10, 0, 2 * Math.PI);
ctx.fillStyle = color[turn];

ctx.lineWidth = 1;
ctx.strokeStyle = color[turn];

ctx.stroke();
ctx.fill();
let used = new Array(Dots[color[turn]].length);
let p = new Array(Dots[color[turn]].length);
let cycle_end = -1;
let cycle_st = [PosX / CellSize, PosY / CellSize];
let cycle = [];

Dots[color[turn]].forEach(Dot => {
used[Dot] = 0;
p[Dot] = [-1, -1];
});
FindCycle(cycle_st, Dots, used, color[turn], p, cycle_st, cycle_end);

turn ^= true;

document.getElementById("turn").innerHTML = header_text[turn];
document.getElementById("turn").removeAttribute("class");
document.getElementById("turn").classList.add(header_color[turn]);

}
});

function good(x, y){
return (x > 0 && y > 0 && x < numberofCells && y < numberofCells);
}

function FindCycle(v, Dots, used, color, p, cycle_st, cycle_end){

used[v] = 1;

for(let i = -1; i <= 1; i++){
for(let j = -1; j <= 1; j++){
if(i == 0 && j == 0){
continue;
}
let newx = v[0] + i;
let newy = v[1] + j;

if(good(newx, newy)){

if(isDot[newx][newy] == color){

//console.log(newx, newy, isDot[newx][newy], used[[newx, newy]]);

if(used[[newx, newy]] == 0){
p[[newx, newy]] = v;
FindCycle([newx, newy], Dots, used, color, p, cycle_st, cycle_end);
}

else if(newx == cycle_st[0] && newy == cycle_st[1] && (p[v][0] != newx || p[v][1] != newy)){
cycle_end = v;
let cycle = [];
for (let v = cycle_end; (v[0] != cycle_st[0] || v[1] != cycle_st[1]) ; v = p[v]){
cycle.push(v);
}

cycle.push(cycle_st);

check_cycle(cycle, color);
}

}

}
}
}
}

function check_cycle(cycle, color){

let minix = 1e9, maxix = -1e9, miniy = 1e9, maxiy = -1e9;

cycle.forEach(v =>{
minix = Math.min(minix, v[0]);
maxix = Math.max(maxix, v[0]);
miniy = Math.min(miniy, v[1]);
maxiy = Math.max(maxiy, v[1]);
});

let enemies = [];
for(let i = miniy; i <= maxiy; i++){
let left = -1, enemy = false, right = -1;
for(let j = minix; j <= maxix; j++){
if(isDot[j][i] == color){
left = j;
break;
}
}
for(let j = maxix; j >= minix; j--){
if(isDot[j][i] == color){
right = j;
break;
}
}
for(let j = left; j <= right; j++){
if(isDot[j][i] == (color == 'red' ? 'blue' : 'red')){
enemies.push([j, i]);
}
}

}
if(enemies.length > 0){

enemies.forEach(enemy =>{
isDot[enemy[0]][enemy[1]] = '.';
});

ctx.beginPath();
ctx.lineWidth = 5;
ctx.moveTo(cycle[0][0] * CellSize, cycle[0][1] * CellSize);

for(let i = 1; i < cycle.length; i++){
ctx.lineTo(cycle[i][0] * CellSize, cycle[i][1] * CellSize );
ctx.fill();
}
ctx.stroke();

}

}

function drawGrid(){
ctx.clearRect(0,0, canvas.width, canvas.height);
ctx.strokeStyle = "black";
ctx.lineWidth = "1";
for(let i = 0; i < canvas.height; i+= CellSize){
ctx.beginPath()
ctx.moveTo(0, i);
ctx.lineTo(canvas.width, i);
ctx.stroke();
}
for(let i = 0; i < canvas.width; i+= CellSize){
ctx.beginPath()
ctx.moveTo(i, 0);
ctx.lineTo(i, canvas.height);
ctx.stroke();
}
}

</script>
</body>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Go</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<header id="turn"></header>
<div id="wrapper">
<canvas id="canvas" ></canvas>
</div>


<script src="script.js" defer></script>
</body>
</html>
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