Comments for "camera" examples

roni5 · Aug 24, 2013 · 0b81107 · 0b81107
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diff --git a/examples/ex/viewing/camera/frustum.html b/examples/ex/viewing/camera/frustum.html
@@ -21,6 +21,13 @@
 
 <script>
 
+    // Demonstrates the "camera" node configured with a "frustum" projection.
+    //
+    // Frustum projection is effectively the same as perspective,
+    // providing you with the ability to explicitly set the view
+    // frustum, which can be useful if you want it to be asymmetrical.
+    //
+
     // Point SceneJS to the bundled plugins
     SceneJS.setConfigs({
         pluginPath:"../../../../api/latest/plugins"

diff --git a/examples/ex/viewing/camera/ortho.html b/examples/ex/viewing/camera/ortho.html
@@ -20,6 +20,14 @@
 
 <script>
 
+    // Demonstrates the "camera" node configured with an orthographic projection.
+    //
+    // Orthographic, or parallel, projections consist of those that involve no
+    // perspective correction. There is no adjustment for distance from the camera
+    // made in these projections, meaning objects on the screen will appear the
+    // same size no matter how close or far away they are.
+    //
+
     // Point SceneJS to the bundled plugins
     SceneJS.setConfigs({
         pluginPath:"../../../../api/latest/plugins"

diff --git a/examples/ex/viewing/camera/perspective.html b/examples/ex/viewing/camera/perspective.html
@@ -20,6 +20,13 @@
 
 <script>
 
+    // Demonstrates the "camera" node configured with a perspective projection.
+    //
+    // Perspective projection embodies the appearance of objects relative to
+    // their distance from the view point. It implicitly defines a frustum that
+    // embodies the view volume.
+    //
+
     // Point SceneJS to the bundled plugins
     SceneJS.setConfigs({
         pluginPath:"../../../../api/latest/plugins"