From 32c030c9fca7046b3a3edfa15584050251aeba4f Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Mon, 17 Feb 2014 20:59:34 -0500
Subject: Remove shader example.

* examples/Makefile.am (examples_DATA): Remove 'shader.scm'.
  (shaderdir, shader_DATA): Remove.
* examples/shader.scm: Delete file.
* examples/shaders/fragment-shader.glsl: Delete file.
* examples/shaders/vertex-shader.glsl: Delete file.
---
 examples/Makefile.am                  |  6 ------
 examples/shader.scm                   | 33 ---------------------------------
 examples/shaders/fragment-shader.glsl |  7 -------
 examples/shaders/vertex-shader.glsl   | 13 -------------
 4 files changed, 59 deletions(-)
 delete mode 100644 examples/shader.scm
 delete mode 100644 examples/shaders/fragment-shader.glsl
 delete mode 100644 examples/shaders/vertex-shader.glsl

diff --git a/examples/Makefile.am b/examples/Makefile.am
index aa71173..319b359 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -4,7 +4,6 @@ examples_DATA =					\
 	coroutine.scm				\
 	font.scm				\
 	particles.scm				\
-	shader.scm				\
 	simple.scm				\
 	tilemap.scm
 
@@ -15,8 +14,3 @@ image_DATA = 					\
 	images/princess.png			\
 	images/stars.png			\
 	images/tiles.png
-
-shaderdir = $(pkgdatadir)/examples/shaders
-shader_DATA = 					\
-	shaders/vertex-shader.glsl		\
-	shaders/fragment-shader.glsl
diff --git a/examples/shader.scm b/examples/shader.scm
deleted file mode 100644
index 49893ad..0000000
--- a/examples/shader.scm
+++ /dev/null
@@ -1,33 +0,0 @@
-(use-modules (2d game)
-             (2d shader)
-             (2d sprite)
-             (2d vector2)
-             (2d window))
-
-(load "common.scm")
-
-(define vertex-shader
-  (load-vertex-shader "shaders/vertex-shader.glsl"))
-(define fragment-shader
-  (load-fragment-shader "shaders/fragment-shader.glsl"))
-(define program (make-shader-program vertex-shader fragment-shader))
-
-(define window-width 800)
-(define window-height 600)
-(define sprite
-  (load-sprite "images/p1_front.png"
-               #:position (vector2 (/ window-width 2)
-                                   (/ window-height 2))))
-
-(define (draw dt alpha)
-  (with-shader-program program
-    ;; Shake the sprite around a bit.
-    (uniforms ((angle (/ (random:uniform) 100)))
-      (draw-sprite sprite))))
-
-(add-hook! draw-hook draw)
-
-(with-window (make-window #:title "Shaders"
-                          #:resolution (vector2 window-width
-                                                window-height))
-  (run-game-loop))
diff --git a/examples/shaders/fragment-shader.glsl b/examples/shaders/fragment-shader.glsl
deleted file mode 100644
index 9be52f0..0000000
--- a/examples/shaders/fragment-shader.glsl
+++ /dev/null
@@ -1,7 +0,0 @@
-#version 120
-
-uniform sampler2D color_texture;
-
-void main (void) {
-    gl_FragColor = texture2D(color_texture, gl_TexCoord[0].st);
-}
diff --git a/examples/shaders/vertex-shader.glsl b/examples/shaders/vertex-shader.glsl
deleted file mode 100644
index 2a7a4a4..0000000
--- a/examples/shaders/vertex-shader.glsl
+++ /dev/null
@@ -1,13 +0,0 @@
-#version 120
-
-uniform float angle;
-
-void main(void) {
-    mat4 RotationMatrix = mat4(cos(angle), -sin(angle), 0.0, 0.0,
-                               sin(angle), cos(angle),  0.0, 0.0,
-                               0.0,        0.0,         1.0, 0.0,
-                               0.0,        0.0,         0.0, 1.0);
-
-    gl_Position =  gl_ModelViewProjectionMatrix * RotationMatrix * gl_Vertex;
-    gl_TexCoord[0] = gl_MultiTexCoord0;
-}
-- 
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