/**** * Classes ****/ // Arrow class var Arrow = Container.expand(function () { var self = Container.call(this); var arrowGraphics = self.attachAsset('arrow', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { if (self.lifeTime <= 0) { self.destroy(); } else { self.lifeTime--; } }; }); // FarmElement class var FarmElement = Container.expand(function (assetType) { var self = Container.call(this); var elementGraphics = self.attachAsset(assetType, { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { if (self.targetX && self.targetY) { var dx = self.targetX - self.x; var dy = self.targetY - self.y; if (Math.abs(dx) < self.speed && Math.abs(dy) < self.speed) { // Arrived at target position self.x = self.targetX; self.y = self.targetY; self.targetX = null; self.targetY = null; } else { // Move towards target position self.x += self.speed * Math.cos(self.direction); self.y += self.speed * Math.sin(self.direction); } } else { for (var i = 0; i < sheeps.length; i++) { if (self.intersects(sheeps[i])) { sheeps[i].direction += Math.PI; // Change direction on collision } } } }; }); // Sheep class var Sheep = Container.expand(function () { var self = Container.call(this); self.arrow = null; self.lastX = self.x; self.lastY = self.y; self.lastTime = LK.ticks; var sheepGraphics = self.attachAsset('sheep', { anchorX: 0.5, anchorY: 0.5 }); self.direction = Math.PI / 4; // Set a fixed initial direction self.update = function () { self.speed = LK.getScore() * 0.1; if (self.speedText) { self.speedText.setText(Math.round(self.speed)); } if (shepherdDog.visible && shepherdDog.alpha > 0) { var dx = self.x - shepherdDog.x; var dy = self.y - shepherdDog.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < 100) { var center_x = 1024; var center_y = 1366; self.direction = Math.atan2(center_y - self.y, center_x - self.x); self.x += self.speed * 10 * Math.cos(self.direction); self.y += self.speed * 10 * Math.sin(self.direction); if (!self.arrow) { self.arrow = new Arrow(); self.arrow.x = self.x; self.arrow.y = self.y; self.arrow.rotation = self.direction; self.arrow.lifeTime = 120; // 2 seconds game.addChild(self.arrow); } } else if (self.arrow) { self.arrow.destroy(); self.arrow = null; } } var oldX = self.x; self.x += self.speed * Math.cos(self.direction); if (self.x > oldX) { sheepGraphics.scale.x = -1; } else { sheepGraphics.scale.x = 1; } self.y += self.speed * Math.sin(self.direction); self.lastX = self.x; self.lastY = self.y; self.lastTime = LK.ticks; // Tint in red the sheeps close to the borders of the screen if (self.x < 100 || self.x > 1948 || self.y < 100 || self.y > 2632) { sheepGraphics.tint = 0xff0000; // Red tint } else { sheepGraphics.tint = 0xffffff; // Remove tint } }; }); // // Shepherd Dog class var ShepherdDog = Container.expand(function () { var self = Container.call(this); var dogGraphics = self.attachAsset('shepherdDog', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 10; self.update = function () { if (self.x < 1024) { dogGraphics.scale.x = -1; } else { dogGraphics.scale.x = 1; } }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 'black' }); /**** * Game Code ****/ var sheeps = []; var farmBackground = game.attachAsset('farm', { anchorX: 0.5, anchorY: 0.5, x: 1024, y: 1366, scaleX: 2.048, scaleY: 2.732 }); var shepherdDog = game.addChild(new ShepherdDog()); shepherdDog.visible = false; var farmElements = []; var farmElementTypes = ['hay', 'barn', 'well']; for (var i = 0; i < 5; i++) { for (var j = 0; j < farmElementTypes.length; j++) { var farmElement = new FarmElement(farmElementTypes[j]); var isColliding; do { isColliding = false; farmElement.x = Math.random() * (2048 - 500) + 250; // Random x position with at least 250px from each border farmElement.y = Math.random() * (2732 - 500) + 250; // Random y position with at least 250px from each border for (var k = 0; k < sheeps.length; k++) { if (farmElement.intersects(sheeps[k])) { isColliding = true; break; } } } while (isColliding); farmElements.push(farmElement); game.addChild(farmElement); } } shepherdDog.x = 1024; // Center horizontally shepherdDog.y = 1366; // Center vertically var sheeps = []; for (var i = 0; i < 25; i++) { var sheep = new Sheep(); var isColliding; sheep.x = Math.random() * 500 + 774; // Spawn sheep within 250px from the center sheep.y = Math.random() * 500 + 1116; // Spawn sheep within 250px from the center sheeps.push(sheep); game.addChild(sheep); } var scoreTxt = new Text2('0', { size: 50, fill: "#ffffff" }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var score = 0; var lastSoundPlayed = 0; function updateScore() { scoreTxt.setText('Score: ' + score); LK.setScore(score); } game.down = function (x, y, obj) { if (shepherdDog.visible) { shepherdDog.x = x; shepherdDog.y = y; } }; game.move = function (x, y, obj) { shepherdDog.visible = false; if (x >= 0 && x <= 2048 && y >= 0 && y <= 2732) { shepherdDog.visible = true; shepherdDog.x = x; shepherdDog.y = y; shepherdDog.alpha = 1; for (var i = 0; i < farmElements.length; i++) { if (farmElements[i].intersects(shepherdDog)) { shepherdDog.alpha = 0; break; } } } }; var scoreUpdateInterval = 60 - (25 - sheeps.length); // Decrease interval as the number of sheeps decreases game.update = function () { var center_x = 1024; var center_y = 1366; if (LK.ticks % (60 - (25 - sheeps.length)) == 0) { score++; updateScore(); } if (LK.ticks % 600 == 0) { // 600 ticks = 10 seconds for (var i = 0; i < farmElements.length; i++) { var newX, newY, minDistance; do { newX = Math.random() * (2048 - 500) + 250; // Random x position with at least 250px from each border newY = Math.random() * (2732 - 500) + 250; // Random y position with at least 250px from each border minDistance = Infinity; for (var j = 0; j < i; j++) { var dx = newX - farmElements[j].x; var dy = newY - farmElements[j].y; var distance = Math.sqrt(dx * dx + dy * dy); minDistance = Math.min(minDistance, distance); } } while (minDistance < 200); // Ensure minimum distance between farm elements var dx = newX - farmElements[i].x; var dy = newY - farmElements[i].y; var distance = Math.sqrt(dx * dx + dy * dy); var speed = distance / 60; // 60 ticks for the transition farmElements[i].direction = Math.atan2(dy, dx); farmElements[i].speed = speed; farmElements[i].targetX = newX; farmElements[i].targetY = newY; } } for (var i = 0; i < farmElements.length; i++) { farmElements[i].update(); } // Play the dog bark sound at random intervals between 5 and 10 seconds if (LK.ticks - lastSoundPlayed > (Math.random() * 5 + 5) * 60) { LK.getSound('dog').play(); lastSoundPlayed = LK.ticks; } if (LK.ticks % 5 == 0) { for (var i = 0; i < sheeps.length; i++) { var oldX = sheeps[i].x; var oldY = sheeps[i].y; sheeps[i].update(); // Check if sheep is off the screen if (sheeps[i].x < 0 || sheeps[i].x > 2048 || sheeps[i].y < 0 || sheeps[i].y > 2732) { if (LK.ticks - lastSoundPlayed > 100) { // 300 ticks = 5 seconds LK.getSound('sheep').play(); // Play the sheep sound lastSoundPlayed = LK.ticks; } game.removeChild(sheeps[i]); // Remove sheep from game sheeps.splice(i, 1); // Remove sheep from array i--; // Decrement index to account for removed sheep // Check if all sheeps are removed if (sheeps.length == 0) { LK.showGameOver(); // Show game over } } // If a sheep is colliding with anything, they should bounce back to the center with a huge impulse. for (var j = 0; j < farmElements.length; j++) { if (sheeps[i] && sheeps[i].intersects(farmElements[j])) { sheeps[i].direction = Math.atan2(center_y - sheeps[i].y, center_x - sheeps[i].x); sheeps[i].x += Math.cos(sheeps[i].direction) * 50; // Increase the impulse sheeps[i].y += Math.sin(sheeps[i].direction) * 50; // Increase the impulse break; } } // If a sheep is colliding with another sheep, they should bounce off each other with a big impulse. for (var j = 0; j < sheeps.length; j++) { if (i != j && sheeps[i] && sheeps[i].intersects(sheeps[j])) { sheeps[i].direction = Math.atan2(sheeps[j].y - sheeps[i].y, sheeps[j].x - sheeps[i].x) + Math.PI; sheeps[i].x += Math.cos(sheeps[i].direction) * 50; // Increase the impulse sheeps[i].y += Math.sin(sheeps[i].direction) * 50; // Increase the impulse break; } } } } };

Shepherd dog by Juan Martinez

Images

Sounds