From 838800891b4bcfb71d7b450ad0ff77392142e4a5 Mon Sep 17 00:00:00 2001
From: ydcjeff <n2ya@duck.com>
Date: Wed, 20 Dec 2023 00:33:45 +0800
Subject: [PATCH] urban zoom in/out

---
 src/main.ts               |  4 ++--
 src/scenes/urban-scene.ts | 10 ++++++++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/main.ts b/src/main.ts
index 80090e4..afa3251 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -23,11 +23,11 @@ const engine = new Engine(canvas);
 (async () => {
 	// await engine.setScene(AxisScene);
 	// await engine.setScene(RotatingScene);
-	await engine.setScene(CameraRotatingScene);
+	// await engine.setScene(CameraRotatingScene);
 	// await engine.setScene(ScaleScene);
 	// await engine.setScene(TranslationScene);
 	// await engine.setScene(UrbanScene);
-	await engine.setScene(SolarScene);
+	// await engine.setScene(SolarScene);
 	// await engine.setScene(TestScene);
 	// await engine.setScene(CubeScene);
 	// await engine.setScene(DirectLightScene);
diff --git a/src/scenes/urban-scene.ts b/src/scenes/urban-scene.ts
index e54907f..2204d43 100644
--- a/src/scenes/urban-scene.ts
+++ b/src/scenes/urban-scene.ts
@@ -93,6 +93,16 @@ export class UrbanScene extends Scene {
 				return;
 			}
 
+			if (e.ctrlKey) {
+				if (e.key === '=') {
+					e.preventDefault();
+					this.mainCamera.fov -= 0.01;
+				} else if (e.key === '-') {
+					e.preventDefault();
+					this.mainCamera.fov += 0.01;
+				}
+			}
+
 			if (e.key === 'w') camera.setPosition(Vector3.add(camera.position, Vector3.forward.multiply(speed)));
 
 			if (e.key === 'a') camera.setPosition(Vector3.add(camera.position, Vector3.left.multiply(speed)));