1 files changed, 41 insertions, 0 deletions
diff --git a/Homework/cs5410/bbiy/src/entities/borderParticles.js b/Homework/cs5410/bbiy/src/entities/borderParticles.js
new file mode 100644
index 0000000..e1a7e98
--- /dev/null
+++ b/Homework/cs5410/bbiy/src/entities/borderParticles.js
@@ -0,0 +1,41 @@
+game.createBorderParticles = (spawnerSpec) => {
+  const particleSpawner = game.Entity();
+  const spawnFunction = (particleSpec) => {
+    switch (Math.floor(Math.random() * 4)) {
+      case 0:
+        particleSpec.y = 0;
+        particleSpec.dy = -Math.abs(particleSpec.dy);
+        break;
+      case 1:
+        particleSpec.x = 1;
+        particleSpec.dx = Math.abs(particleSpec.dx);
+        break;
+      case 2:
+        particleSpec.y = 1;
+        particleSpec.dy = Math.abs(particleSpec.dy);
+        break;
+      case 3:
+        particleSpec.x = 0;
+        particleSpec.dx = -Math.abs(particleSpec.dx);
+        break;
+    }
+    return particleSpec;
+  };
+  particleSpawner.addComponent(game.components.Particles({
+    spec: {
+      spawnFunction,
+      colors: ["#666666", "#777777", "#888888", "#999999"],
+      maxSpeed: 0.20,
+      minRadius: 1,
+      maxRadius: 3,
+      minLife: 100,
+      maxLife: 300,
+      minAmount: 20,
+      maxAmount: 50,
+      ...spawnerSpec,
+    }
+  }));
+  particleSpawner.addComponent(game.components.LoadPriority({priority: 1}));
+  particleSpawner.addComponent(game.components.Alive());
+  return particleSpawner;
+}