diff --git a/simple-test.slang b/simple-test.slang
new file mode 100644
index 0000000..702bec7
--- /dev/null
+++ b/simple-test.slang
@@ -0,0 +1,14 @@
+// A simple test shader for Slang in ScreenShader
+
+float4 shaderFunction(ShaderInput input) {
+    // Sample the input texture
+    float4 color = input.sample(input.texCoord);
+    
+    // Create a simple wave effect based on time
+    float wave = sin(input.screenPosition.x * 0.02 + input.time * 2.0) * 0.5 + 0.5;
+    
+    // Tint the color based on the wave
+    color.rgb *= float3(wave, 1.0 - wave * 0.5, 1.0);
+    
+    return color;
+}
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