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Diffstat (limited to 'examples/demos/snake/content/snake.js')
| -rw-r--r-- | examples/demos/snake/content/snake.js | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/examples/demos/snake/content/snake.js b/examples/demos/snake/content/snake.js deleted file mode 100644 index 107c9f4591..0000000000 --- a/examples/demos/snake/content/snake.js +++ /dev/null @@ -1,316 +0,0 @@ - -var snake = new Array; -var board = new Array; -var links = new Array; -var scheduledDirections = new Array; -var numRows = 1; -var numColumns = 1; -var linkComponent = Qt.createComponent("Link.qml"); -var cookieComponent = Qt.createComponent("Cookie.qml"); -var cookie; -var linksToGrow = 0; -var linksToDie = 0; -var waitForCookie = 0; -var growType = 0; -var skullMovementsBeforeDirectionChange = 0; - - -function rand(n) -{ - return (Math.floor(Math.random() * n)); -} - -function scheduleDirection(dir) -{ - if (state == "starting") { - direction = dir; - headDirection = direction; - head.rotation = headDirection; - } else if (state == "running"){ - direction = dir; - if(scheduledDirections[scheduledDirections.length-1]!=direction) - scheduledDirections.push(direction); - } -} - -function startNewGame() -{ - if (state == "starting") { - return; - } - - if (activeGame) { - endGame(); - startNewGameTimer.running = true; - return; - } - - state = "starting"; - - numRows = numRowsAvailable; - numColumns = numColumnsAvailable; - board = new Array(numRows * numColumns); - snake = new Array; - scheduledDirections = new Array; - growType = 0; - - skull.z = numRows * numColumns + 1; - - for (var i = 0; i < numRows * numColumns; ++i) { - if (i < links.length) { - var link = links[i]; - link.spawned = false; - link.dying = false; - } else { - if(linkComponent.status != Component.Ready) { - if(linkComponent.status == Component.Error) - console.log(linkComponent.errorString()); - else - console.log("Still loading linkComponent"); - continue;//TODO: Better error handling? - } - var link = linkComponent.createObject(playfield); - link.z = numRows * numColumns + 1 - i; - link.type = i == 0 ? 2 : 0; - link.spawned = false; - link.dying = false; - links.push(link); - } - } - - head = links[0]; - snake.push(head); - head.row = numRows/2 -1; - head.column = numColumns/2 -1; - head.spawned = true; - - linksToGrow = 5; - linksToDie = 0; - waitForCookie = 5; - score = 0; - startHeartbeatTimer.running = true; -} - -function endGame() -{ - activeGame = false; - for(var i in snake) - snake[i].dying = true; - if (cookie) { - cookie.dying = true; - cookie = 0; - } - lastScore = score; - highScores.saveScore(lastScore); - state = ""; -} - -function move() { - - if (!head) - return; - - var dir = direction; - - if (scheduledDirections.length) { - dir = scheduledDirections.shift(); - } - - if (state == "starting") { - var turn = (dir - headDirection); - head.rotation += turn == -3 ? 1 : (turn == 3 ? -1 : turn ); - headDirection = dir; - return; - } - - var row = head.row; - var column = head.column; - - if (dir == 0) { - row = row - 1; - } else if (dir == 1) { - column = column + 1 - } else if (dir == 2) { - row = row + 1; - } else if (dir == 3) { - column = column - 1; - } - - //validate the new position - if (row < 0 || row >= numRows - || column < 0 || column >= numColumns - || (row == skull.row && column == skull.column) - || !isFree(row, column)) { - var turn = (dir - headDirection); - head.rotation += turn == -3 ? 1 : (turn == 3 ? -1 : turn ); - headDirection = dir; - endGame(); - return; - } - - var newLink; - if (linksToGrow > 0) { - --linksToGrow; - newLink = links[snake.length]; - newLink.spawned = false; - newLink.rotation = snake[snake.length-1].rotation; - newLink.type = growType; - newLink.dying = false; - snake.push(newLink); - } else { - var lastLink = snake[snake.length-1]; - board[lastLink.row * numColumns + lastLink.column] = undefined; - } - - if (waitForCookie > 0) { - if (--waitForCookie == 0) - createCookie(cookie? (cookie.value+1) : 1); - } - - for (var i = snake.length-1; i > 0; --i) { - snake[i].row = snake[i-1].row; - snake[i].column = snake[i-1].column; - snake[i].rotation = snake[i-1].rotation; - } - - if (newLink) { - newLink.spawned = true; - } - - // move the head - head.row = row; - head.column = column; - board[row * numColumns + column] = head; - - var turn = (dir - headDirection); - head.rotation += turn == -3 ? 1 : (turn == 3 ? -1 : turn ); - headDirection = dir; - - var value = testCookie(row, column); - if (value > 0) { - linksToGrow += value; - score += value; - } -} - -function isFree(row, column) -{ - return board[row * numColumns + column] == undefined; -} - -function isHead(row, column) -{ - return head.column == column && head.row == row; -} - -function testCookie(row, column) -{ - if (cookie && !cookie.dying && cookie.row == row && cookie.column == column) { - var value = cookie.value; - waitForCookie = value; - growType = snake[snake.length-1].type == 1 ? 0 : 1; - cookie.dying = true; - cookie.z = numRows * numColumns + 2; - return value; - } - return 0; -} - -function moveSkull() -{ - - if (linksToDie > 0) { - --linksToDie; - var link = snake.pop(); - link.dying = true; - board[link.row * numColumns + link.column] = undefined; - if (score > 0) - --score; - if (snake.length == 0) { - endGame(); - return; - } - } - - var row = skull.row; - var column = skull.column; - if (isHead(row, column)) { - endGame(); - return; - } - row += skull.verticalMovement; - column += skull.horizontalMovement; - - var attempts = 4; - - while (skullMovementsBeforeDirectionChange == 0 || row < 0 || row >= numRows - || column < 0 || column >= numColumns - || (!isFree(row, column) && !isHead(row, column))) { - var d = rand(8); - skull.verticalMovement = 0; - skull.horizontalMovement = 0; - skullMovementsBeforeDirectionChange = rand(20)+1; - if (d == 0) { - skull.verticalMovement = -1 - } else if (d == 1) { - skull.horizontalMovement = -1; - } else if (d == 2) { - skull.verticalMovement = 1 - } else if (d == 3){ - skull.horizontalMovement = 1; - } else if (cookie) { - var rd = cookie.row - skull.row; - var rc = cookie.column - skull.column; - if (Math.abs(rd) > Math.abs(rc)) { - skull.verticalMovement = rd > 0 ? 1 : -1; - skullMovementsBeforeDirectionChange = Math.abs(rd); - } else { - skull.horizontalMovement= rc > 0 ? 1 : -1; - skullMovementsBeforeDirectionChange = Math.abs(rc); - } - } - row = skull.row + skull.verticalMovement; - column = skull.column + skull.horizontalMovement; - if (--attempts == 0) - return; - } - - skull.row = row; - skull.column = column; - --skullMovementsBeforeDirectionChange; - var value = testCookie(row, column); - if (value > 0) - linksToDie += value/2; - - if (isHead(row, column)) - endGame(); -} - -function createCookie(value) { - if (numRows * numColumns - snake.length < 10) - return; - - var column = rand(numColumns); - var row = rand(numRows); - while (!isFree(row, column)) { - column++; - if (column == numColumns) { - column = 0; - row++; - if (row == numRows) - row = 0; - } - } - - if(cookieComponent.status != Component.Ready) { - if(cookieComponent.status == Component.Error) - console.log(cookieComponent.errorString()); - else - console.log("Still loading cookieComponent"); - return;//TODO: Better error handling? - } - cookie = cookieComponent.createObject(head.parent); - cookie.value = value; - cookie.row = row; - cookie.column = column; -} |