Prepare for upload

1 files changed, 32 insertions, 0 deletions

diff --git a/2026/games/crm148/view.js b/2026/games/crm148/view.js
new file mode 100644
index 0000000..1d2fb5c
--- /dev/null
+++ b/2026/games/crm148/view.js
@@ -0,0 +1,32 @@
+
+import Vec2 from './vec2.js';
+
+class View {
+    center = Vec2.zero();
+    zoom = 1.0;
+
+    // Convert game coordinate to canvas coordinate
+    project(vec2) {
+        return new Vec2(
+            (gameCanvas.width / 2) + ((vec2.x - this.center.x) * this.zoom),
+            (gameCanvas.height / 2) - ((vec2.y - this.center.y) * this.zoom));
+    }
+    // Covert canvas coordinate to game coordinate
+    unproject(vec2) {
+        return new Vec2(
+            this.center.x + (vec2.x - (gameCanvas.width / 2)) / this.zoom,
+            this.center.y - (vec2.y - (gameCanvas.height/2)) / this.zoom);
+    }
+}
+
+function globalView() {
+    return gView;
+}
+
+var gView = new View();
+window.view = gView;
+
+export {
+    View,
+    globalView,
+}