hello kitty base done

1 files changed, 45 insertions, 0 deletions

diff --git a/src/engine/collision.js b/src/engine/collision.js
new file mode 100644
index 0000000..78e9a1a
--- /dev/null
+++ b/src/engine/collision.js
@@ -0,0 +1,45 @@
+import { boshy, enemy } from "../main.js"
+import { Vector } from "./vector.js"
+
+export class Collision {
+    collidingWithBoshy(position, hitbox = position) {
+        if (boshy == undefined) return false
+        return this.areColliding({
+            position_a: position,
+            position_b: boshy.position,
+            hitbox_a: hitbox,
+            hitbox_b: boshy.hitbox,
+        })
+    }
+    
+    collidingWithEnemy(position, hitbox = position) {
+        if (enemy == undefined) return false
+        return this.areColliding({
+            position_a: position,
+            position_b: enemy.position,
+            hitbox_a: hitbox,
+            hitbox_b: enemy.hitbox,
+        })
+    }
+
+    areColliding({
+        position_a,
+        position_b,
+        hitbox_a= position_a,
+        hitbox_b= position_b,
+    }) {
+        let hitbox_value = new Vector(
+            (Math.abs(hitbox_a.x) + Math.abs(hitbox_b.x)) / 2,
+            (Math.abs(hitbox_a.y) + Math.abs(hitbox_b.y)) / 2,
+        )
+        let position_difference = new Vector(
+            Math.abs( Math.abs(position_a.x) - Math.abs(position_b.x)),
+            Math.abs( Math.abs(position_a.y) - Math.abs(position_b.y)),
+        )
+
+        return (
+        position_difference.x <= hitbox_value.x &&
+        position_difference.y <= hitbox_value.y
+        )
+    }
+}