Add support for skeletal animation.

3 files changed, 33 insertions, 4 deletions

diff --git a/gfx/doc/extern/Scene Graph - CSE 167.pdf b/gfx/doc/extern/Scene Graph - CSE 167.pdf
new file mode 100644
index 0000000..5fbbb10
--- /dev/null
+++ b/gfx/doc/extern/Scene Graph - CSE 167.pdf
diff --git a/gfx/doc/scene.png b/gfx/doc/scene.png
index 017e91b..85d2447 100644
--- a/gfx/doc/scene.png
+++ b/gfx/doc/scene.png
diff --git a/gfx/doc/scene.txt b/gfx/doc/scene.txt
index dc22927..a771488 100644
--- a/gfx/doc/scene.txt
+++ b/gfx/doc/scene.txt
@@ -4,7 +4,6 @@ class Scene {
 
 }
 
-Scene *-- Camera
 Scene *-- Node
 
 class Camera {
@@ -15,11 +14,41 @@ class Node {
   + transform
 }
 
+Node *-- AnimationObject
 Node *-- Object
-Node o-- Light : "affected by"
-Node o-- Camera
+Node *-- Light
+Node *-- Camera
 Node *-- Node
 
+class AnimationObject {
+
+}
+
+AnimationObject *-- Animation
+AnimationObject --> AnimationState
+AnimationObject --> Skeleton
+
+class AnimationState {
+  + time
+  + current_animation
+  + pose
+}
+
+class Animation {
+  + name
+}
+
+Animation *-- Keyframe
+
+class Keyframe {
+  + time
+  + transforms
+}
+
+class Skeleton {
+  + joints
+}
+
 class Object {
   + transform
 }
@@ -33,6 +62,7 @@ class Mesh {
 Mesh --> BoundingVolume
 Mesh --> Geometry
 Mesh --> Material
+Mesh --> Shader
 
 class Geometry {
   + positions
@@ -49,7 +79,6 @@ class Material {
   + shader params
 }
 
-Material --> Shader
 Material o-- Texture
 
 class Shader {