Limit zooming

examples/canvas_geometry_panorama.html

@@ -164,7 +164,10 @@
 
 			function onDocumentMouseWheel( event ) {
 
-				camera.fov += event.deltaY * 0.05;
+				var fov = camera.fov + event.deltaY * 0.05;
+
+				camera.fov = THREE.Math.clamp( fov, 10, 75 );
+
 				camera.updateProjectionMatrix();
 
 			}

examples/canvas_geometry_panorama_fisheye.html

@@ -172,7 +172,10 @@
 
 			function onDocumentMouseWheel( event ) {
 
-				camera.fov += event.deltaY * 0.05;
+				var fov = camera.fov + event.deltaY * 0.05;
+
+				camera.fov = THREE.Math.clamp( fov, 10, 75 );
+
 				camera.updateProjectionMatrix();
 
 			}

examples/css3d_panorama.html

@@ -156,7 +156,10 @@
 
 			function onDocumentMouseWheel( event ) {
 
-				camera.fov += event.deltaY * 0.05;
+				var fov = camera.fov + event.deltaY * 0.05;
+
+				camera.fov = THREE.Math.clamp( fov, 10, 75 );
+
 				camera.updateProjectionMatrix();
 
 			}

examples/webgl_materials_cubemap_dynamic2.html

@@ -142,7 +142,10 @@
 
 			function onDocumentMouseWheel( event ) {
 
-				camera.fov += ( event.deltaY * 0.05 );
+				var fov = camera.fov + event.deltaY * 0.05;
+
+				camera.fov = THREE.Math.clamp( fov, 10, 75 );
+
 				camera.updateProjectionMatrix();
 
 			}

examples/webgl_panorama_dualfisheye.html

@@ -163,6 +163,8 @@
 
 				distance += event.deltaY * 0.05;
 
+				distance = THREE.Math.clamp( distance, 400, 1000 );
+
 			}
 
 			function animate() {

examples/webgl_panorama_equirectangular.html

@@ -169,7 +169,10 @@
 
 			function onDocumentMouseWheel( event ) {
 
-				camera.fov += event.deltaY * 0.05;
+				var fov = camera.fov + event.deltaY * 0.05;
+
+				camera.fov = THREE.Math.clamp( fov, 10, 75 );
+
 				camera.updateProjectionMatrix();
 
 			}

examples/webgl_video_panorama_equirectangular.html

@@ -146,6 +146,8 @@
 
 				distance += event.deltaY * 0.05;
 
+				distance = THREE.Math.clamp( distance, 400, 500 );
+
 			}
 
 			function animate() {