1 files changed, 24 insertions, 0 deletions
diff --git a/assets/shaders/glsl100/skybox.vs b/assets/shaders/glsl100/skybox.vs
new file mode 100644
index 0000000..e440ace
--- /dev/null
+++ b/assets/shaders/glsl100/skybox.vs
@@ -0,0 +1,24 @@
+#version 100
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Remove translation from the view matrix
+    mat4 rotView = mat4(mat3(matView));
+    vec4 clipPos = matProjection*rotView*vec4(vertexPosition, 1.0);
+
+    // Calculate final vertex position
+    gl_Position = clipPos;
+}