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Title	Game of Life
ID	879123336
Created	Unknown
Updated	13 years ago, 1345080508582
Code	// This is Conway's game of life. Press 'p' to pause! // For more information, check out the wikipedia page: // http://en.wikipedia.org/wiki/Conway's_Game_of_Life stroke(224, 224, 224); // whether or not the simulation is paused var paused = false; // how many loop ticks before drawing again var drawDelay = 8; // size of the grid var gridLength = 27; var squareSize = 400 / gridLength; // initialize a 2D array of cells var cells = []; for (var x = 0; x < gridLength; x += 1) { cells[x] = []; for (var y = 0; y < gridLength; y += 1) { cells[x][y] = 0; } } // initialize a 2D array of cells for the next generation var nextGen = []; for (var x = 0; x < gridLength; x += 1) { nextGen[x] = []; for (var y = 0; y < gridLength; y += 1) { nextGen[x][y] = 0; } } // initialize a "glider". Try picking different cells // and see what happens! cells[10][10] = 1; cells[11][10] = 1; cells[9][10] = 1; cells[11][9] = 1; cells[10][8] = 1; // this function determines whether or not a cell lives on // to the next generation var livesOn = function (x, y) { // first count the number of live neighbors var numNeighbors = 0; for (var i = -1; i <= 1; i +=1 ) { for (var j = -1; j <= 1; j += 1) { var neighborX = (x + i + gridLength) % gridLength; var neighborY = (y + j + gridLength) % gridLength; if (neighborX !== x \|\| neighborY !== y) { if (cells[neighborX][neighborY] === 1) { numNeighbors += 1; } } } } // if the cell is living and has 2 or 3 live neighbors... if (cells[x][y] === 1 && (numNeighbors === 2 \|\| numNeighbors === 3)) { return true; } // if the cell is dead and has exactly 3 neighbors... if (cells[x][y] === 0 && numNeighbors === 3) { return true; } // otherwise it's either overpopulated or underpopulated // and the cell is dead return false; }; var nextGeneration = function() { for (var x = 0; x < gridLength; x += 1) { for (var y = 0; y < gridLength; y += 1) { // set color and draw if (cells[x][y] === 1) { fill(199, 0, 209); } else { fill(255, 255, 255); } rect(x * squareSize, y * squareSize, squareSize, squareSize); // build next generation array if (livesOn(x,y)) { nextGen[x][y] = 1; } else { nextGen[x][y] = 0; } } } // copy next generation into current generation array for (var i = 0; i < gridLength; i += 1) { for (var j = 0; j < gridLength; j += 1) { cells[i][j] = nextGen[i][j]; } } }; // draw loop! var t = 0; var draw = function() { // to keep the animation from going too fast, only // draw after the specified delay if (t === drawDelay) { nextGeneration(); t = 0; } // only increment t if we are not paused if (!paused) { t += 1; } }; // add a live cell when you click on it var mouseClicked = function() { var x = floor(mouseX / squareSize); var y = floor(mouseY / squareSize); cells[x][y] = 1; // draw the new cell fill(199, 0, 209); rect(x * squareSize, y * squareSize, squareSize, squareSize); }; // do the same thing when you click and drag var mouseDragged = function() { var x = floor(mouseX / squareSize); var y = floor(mouseY / squareSize); cells[x][y] = 1; // draw the new cell fill(199, 0, 209); rect(x * squareSize, y * squareSize, squareSize, squareSize); }; var keyPressed = function() { // press 'p' to pause! if (keyCode === 80) { paused = !paused; } };
Folds
Fork	false
Key	ag5zfmtoYW4tYWNhZGVteXIUCxIKU2NyYXRjaHBhZBiIt5mjAww
Votes	1273
Spin-Offs	1381
Type
Width	400
Height	400
User Flagged	false
Origin Scratchpad	null
Hidden From Hotlist	false
Restricted Posting	true
By Child	false
Author Nick	Jessica Liu
Author Name	jessicaliu
Author ID	kaid_464231525502598724182494
Author Profile Access	COACH

Archive Data

Added	1 years ago, 1707881053673
Updated	1 years ago, 1707883355176
Source Deleted	unknown