From 56d8a752d84e984afab20de5980edf10fe6c06f5 Mon Sep 17 00:00:00 2001
From: Tim Foley <tfoleyNV@users.noreply.github.com>
Date: Fri, 10 Aug 2018 22:21:44 -0700
Subject: Improve model-viewer support for lights (#626)

* Improve model-viewer support for lights

The main visible change here is that the model-viewer example supports
multiple light sources, with a basic UI for adding new light sources to
the scene, and for manipulating the ones that are there.

Along the way I also refactored the `IMaterial` decomposition to be a
bit less naive, while still only including a completely naive
Blinn-Phong implementation.

I also went ahead and spruced up the `cube.obj` file so that it has
multiple materials, although it is still a completely uninteresting
asset.

* Fixup: Windows SDK version
---
 examples/model-viewer/cube.mtl | 35 +++++++++++++++++++++++++++++++----
 1 file changed, 31 insertions(+), 4 deletions(-)

(limited to 'examples/model-viewer/cube.mtl')

diff --git a/examples/model-viewer/cube.mtl b/examples/model-viewer/cube.mtl
index 6634af823..6c8eeb10b 100644
--- a/examples/model-viewer/cube.mtl
+++ b/examples/model-viewer/cube.mtl
@@ -1,8 +1,35 @@
-newmtl Material
-Ns 96.078431
+newmtl Red
+Ns 95
 Ka 0.000000 0.000000 0.000000
-Kd 0.640000 0.640000 0.640000
-Ks 0.500000 0.500000 0.500000
+Kd 0.640000 0.30000 0.30000
+Ks 0.500000 0.200000 0.200000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl Green
+Ns 20
+Ka 0.000000 0.000000 0.000000
+Kd 0.20000 0.640000 0.20000
+Ks 0.100000 0.500000 0.100000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl Blue
+Ns 200
+Ka 0.000000 0.000000 0.000000
+Kd 0.10000 0.10000 0.20000
+Ks 0.200000 0.200000 0.700000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl Ground
+Ns 10
+Ka 0.000000 0.000000 0.000000
+Kd 0.25 0.25 0.25
+Ks 0.1 0.1 0.1
 Ni 1.000000
 d 1.000000
 illum 2
-- 
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