semi-transparent water rendering (TODO)

internal/asset/shader/world/output.vert

@@ -0,0 +1,12 @@
+#version 330
+
+layout (location = 0) in vec2 vert;
+layout (location = 1) in vec2 texCoord;
+
+out vec2 fragPosScreen;
+
+void main() {
+    gl_Position = vec4(vert, 0.0f, 1);
+	fragPosScreen = texCoord;
+}
+