From f3a34665978729ef65010ac2a4a9408e27d5bf3e Mon Sep 17 00:00:00 2001
From: ccolin
Date: Mon, 28 Dec 2020 17:36:45 +0100
Subject: skybox

---
 shaders/skybox.vert | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 shaders/skybox.vert

(limited to 'shaders/skybox.vert')

diff --git a/shaders/skybox.vert b/shaders/skybox.vert
new file mode 100644
index 0000000..ac4ac5e
--- /dev/null
+++ b/shaders/skybox.vert
@@ -0,0 +1,28 @@
+#version 330 core
+
+// layout(location = 0) in vec3 in_pos;
+
+// out vec3 tex_coords;
+
+// uniform mat4 proj;
+// uniform mat4 view;
+
+// void main() {
+// 	// vec4 pos = proj * view * vec4(in_pos, 1.0);
+// 	// gl_Position = pos.xyww;
+// 	gl_Position = proj * vec4(in_pos, 1.0);
+// 	tex_coords = in_pos;
+// }
+
+layout(location = 0) in vec3 in_pos;
+
+out vec3 tex_coords;
+
+uniform mat4 proj;
+uniform mat4 view;
+
+void main() {
+	tex_coords = in_pos;
+	vec4 pos = proj * mat4(mat3(view)) * vec4(in_pos, 1.0);
+	gl_Position = pos.xyww;
+}
-- 
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