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puzzle2.js
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puzzle2.js
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const PUZZLE_DIFFICULTY = 4;
var stage;
var canvas;
var img;
var pieces;
var puzzleWidth;
var puzzleHeight;
var pieceWidth;
var pieceHeight;
const PUZZLE_HOVER_TINT = '#FF0000';
var currentPiece;
var currentDropPiece;
var mouse;
function init(){
img = new Image();
img.addEventListener('load',onImage,false);
img.src = "CDG.png";
}
function onImage(e){
pieceWidth = Math.floor(img.width / PUZZLE_DIFFICULTY)
pieceHeight = Math.floor(img.height / PUZZLE_DIFFICULTY)
puzzleWidth = pieceWidth * PUZZLE_DIFFICULTY;
puzzleHeight = pieceHeight * PUZZLE_DIFFICULTY;
setCanvas();
initPuzzle();
}
function setCanvas(){
canvas = document.getElementById('canvas');
stage = canvas.getContext('2d');
canvas.width = puzzleWidth;
canvas.height = puzzleHeight;
canvas.style.border = "1px solid black";
}
function initPuzzle(){
pieces = [];
mouse = {x:0,y:0};
currentPiece = null;
currentDropPiece = null;
stage.drawImage(img, 0, 0, puzzleWidth, puzzleHeight, 0, 0, puzzleWidth, puzzleHeight);
buildPieces();
}
function buildPieces(){
var i;
var piece;
var xPos = 0;
var yPos = 0;
for(i = 0;i < PUZZLE_DIFFICULTY * PUZZLE_DIFFICULTY;i++){
piece = {};
piece.sx = xPos;
piece.sy = yPos;
pieces.push(piece);
xPos += pieceWidth;
if(xPos >= puzzleWidth){
xPos = 0;
yPos += pieceHeight;
}
}
// document.onmousedown = shufflePuzzle;
// commented out to prevent console errors.
// Uncomment back in when moving to the next section.
}
function shuffleArray(o){
//We can put a more advanced shuffle in here later. For now just reverse it
return o.reverse();
}