Code edit (1 edits merged)
Please save this source code
Code edit (20 edits merged)
Please save this source code
User prompt
Set the initial target X and target Y of each particle to the center of the screen.
User prompt
Make the initial particle X and particle Y the center of the screen.
User prompt
to target X and target Y of all particles, the center of the screen.
Code edit (1 edits merged)
Please save this source code
/**** * Classes ****/ //<Assets used in the game will automatically appear here> //<Write imports for supported plugins here> // Particle class to represent each particle in the game var Particle = Container.expand(function () { var self = Container.call(this); // Create and attach a simple circle shape for the particle var particleGraphics = self.attachAsset('particle', { anchorX: 0.5, anchorY: 0.5 }); // Initialize particle properties self.vx = 0; // Velocity in x direction self.vy = 0; // Velocity in y direction // Update function to move the particle self.targetX = 2048 / 2; self.targetY = 2732 / 2; particleGraphics.blendMode = 1; self.update = function () { // Calculate the direction towards the mouse var dx = self.targetX - self.x; var dy = self.targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); // Normalize the direction and apply a simple gravity effect if (distance > 0) { dx /= distance; dy /= distance; } // Apply gravity towards the mouse var speedModifier = 1 + distance / 300; self.vx += dx; self.vy += dy; //Spped modifier // Update particle position self.x += self.vx; self.y += self.vy; var speed = Math.sqrt(self.vx * self.vx + self.vy * self.vy); if (distance > 100) { self.vx *= .995; self.vy *= .995; } else { self.vx += (Math.random() - .5) / 1000; self.vy += (Math.random() - .5) / 1000; } // Rotate the particle based on the direction self.rotation = Math.atan2(self.vy, self.vx); self.scaleX = Math.min(Math.max(speed / 10, 0), 1.5); }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 //Init game with black background }); /**** * Game Code ****/ // Initialize particles array var particles = []; // Create 1000 particles and add them to the game for (var i = 0; i < 2500; i++) { var particle = new Particle(); particle.x = Math.random() * 2048; // Random initial x position particle.y = Math.random() * 2732; // Random initial y position particle.targetX = 2048 / 2; // Set initial target X to the center of the screen particle.targetY = 2732 / 2; // Set initial target Y to the center of the screen particles.push(particle); game.addChild(particle); } // Handle mouse move events to update particle gravity game.move = function (x, y, obj) { // Update each particle with the current mouse position particles.forEach(function (particle) { particle.targetX = x; particle.targetY = y; }); }; game.down = function (x, y, obj) { game.move(x, y, obj); particles.forEach(function (particle) { var dx = x - particle.x; var dy = y - particle.y; var angle = Math.atan2(dy, dx); var distance = Math.sqrt(dx * dx + dy * dy); particle.vx += Math.cos(angle) * (distance / (50 + Math.random()) + 3); particle.vy += Math.sin(angle) * (distance / (50 + Math.random()) + 3); }); };
===================================================================
--- original.js
+++ change.js
@@ -80,8 +80,9 @@
particle.targetY = y;
});
};
game.down = function (x, y, obj) {
+ game.move(x, y, obj);
particles.forEach(function (particle) {
var dx = x - particle.x;
var dy = y - particle.y;
var angle = Math.atan2(dy, dx);