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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>Document</title>
- <script type="text/javascript">
- document.addEventListener("DOMContentLoaded", function(){
- let canvas = document.getElementById('canvasId');
- let canvasId = canvas.getContext("2d");
- let mouse;
- let color, r;
- canvas.addEventListener('click', function(evt){
- mouse = mouse_player1(evt, canvas);
- console.log(mouse.x + " " + mouse.y);
- canvasId.beginPath();
- color = 'rgb(' +
- Math.floor(Math.random()*(255-50+1) + 50) + ", " +
- Math.floor(Math.random()*(255-50+1) + 50) + ", " +
- Math.floor(Math.random()*(255-50+1) + 50) + ")";
- console.log(color);
- canvasId.fillStyle = color;
- r = Math.floor(Math.random()*(100 - 50 + 1) + 50);
- canvasId.arc(mouse.x, mouse.y, r, 0, Math.PI*2);
- canvasId.fill();
- canvasId.closePath();
- });
- });
- const mouse_player1 = (evt, canvas) => {
- var rect = canvas.getBoundingClientRect(); // взима позицията на платното в документа, в случай, че то не започва от горния ляв ъгъл
- var mouseX = evt.clientX - rect.left; // позицията на курсора по хоризонтала
- var mouseY = evt.clientY - rect.top; // позиията на курсора по вертикала
- return {
- x: mouseX,
- y: mouseY,
- } // фунцкията връша два параметъра, x и y
- }
- </script>
- <style>
- canvas{
- background-color: black;
- }
- </style>
- </head>
- <body>
- <canvas width="800" height="800" id="canvasId"></canvas>
- </body>
- </html>
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