1 files changed, 13 insertions, 0 deletions
diff --git a/examples/shaders/vertex-shader.glsl b/examples/shaders/vertex-shader.glsl
new file mode 100644
index 0000000..2a7a4a4
--- /dev/null
+++ b/examples/shaders/vertex-shader.glsl
@@ -0,0 +1,13 @@
+#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;
+}