clustering

js/index.js

@@ -16,7 +16,7 @@ function Game() {
     let player = new Player();
     let entities = [player];
 
-    for (let i = 0; i < 15; i++) {
+    for (let i = 0; i < 50; i++) {
         entities.push(new Player())
     }
 
@@ -24,29 +24,39 @@ function Game() {
 
     this.canvas = canvas;
     this.ctx = canvas.getContext("2d");
-    this.ticks = 1;
     this.assetsIn = assetsIn;
     this.player = player;
     this.entities = entities;
 }
 
 Game.prototype.main = function () {
-    let { entities } = this;
+    let { entities, player } = this;
 
-    this.ticks++;
+    for (let ent of entities) {
+        ent.pos.x += ent.vel.x;
+        ent.pos.y += ent.vel.y;
 
-    for (let player of entities) {
-        player.pos.x += player.vel.x;
-        player.pos.y += player.vel.y;
+        ent.vel.x *= 0.8;
+        ent.vel.y *= 0.8;
 
-        player.vel.x *= 0.8;
-        player.vel.y *= 0.8;
+        ent.rot += 0.03 * ent.dir;
+        ent.rot = ent.rot % (Math.PI * 10);
 
-        player.rot += 0.03 * player.dir;
-        player.rot = player.rot % (Math.PI * 10);
+        ent.camera.x = -ent.pos.x * 0.1 + ent.camera.x * 0.9;
+        ent.camera.y = -ent.pos.y * 0.1 + ent.camera.y * 0.9;
 
-        player.camera.x = -player.pos.x * 0.1 + player.camera.x * 0.9;
-        player.camera.y = -player.pos.y * 0.1 + player.camera.y * 0.9;
+        ent.ticks++;
+
+        let dp = (Math.sin(ent.rot) * (ent.pos.x - player.pos.x))
+            - (Math.cos(ent.rot) * (ent.pos.y - player.pos.y));
+
+        dp /= ((ent.pos.x - player.pos.x) ** 2) + ((ent.pos.y - player.pos.y) ** 2);
+
+        dp *= 30;
+
+        if (Math.random() < -dp && Math.random() > 5 / (ent.ticks+2)) {
+            ent.bump();
+        }
     }
 }
 
@@ -78,17 +88,7 @@ Game.prototype.render = function () {
 Game.prototype.click = function () {
     let { player } = this;
 
-    if (this.ticks < 10) {
-        player.dir *= -1;
-    }
-
-    player.vel.x *= 0.6;
-    player.vel.y *= 0.6;
-
-    player.vel.x += Math.sin(player.rot) * 25;
-    player.vel.y -= Math.cos(player.rot) * 25;
-
-    this.ticks = 0;
+    player.bump(game);
 }
 
 var game = new Game();

js/player.js

@@ -1,5 +1,5 @@
 function Player() {
-    let pos = { x: Math.random() * 1000 - 50, y: Math.random() * 1000 - 50 };
+    let pos = { x: Math.random() * 5000 - 50, y: Math.random() * 5000 - 50 };
     let camera = { x: -pos.x, y: -pos.y };
     let vel = { x: 0, y: 0 };
 
@@ -8,4 +8,21 @@ function Player() {
     this.vel = vel;
     this.rot = 0;
     this.dir = 1;
+    this.ticks = 0;
+}
+
+Player.prototype.bump = function () {
+    let player = this;
+
+    if (player.ticks < 10) {
+        player.dir *= -1;
+    }
+
+    player.vel.x *= 0.6;
+    player.vel.y *= 0.6;
+
+    player.vel.x += Math.sin(player.rot) * 25;
+    player.vel.y -= Math.cos(player.rot) * 25;
+
+    player.ticks = 0;
 }