Added tetris-game. /JL

tetris-game/shaders/blur_overlay.gdshader

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+shader_type canvas_item;
+
+uniform sampler2D SCREEN_TEXTURE : hint_screen_texture, filter_linear_mipmap;
+
+// Radius in pixels
+uniform float blur_radius : hint_range(0.0, 32.0) = 8.0;
+// Number of samples in each direction
+uniform int samples : hint_range(1, 20) = 6;
+// 0 = no blur, 1 = fully blurred
+uniform float blur_strength : hint_range(0.0, 1.0) = 0.6;
+// Optional slight dimming of background
+uniform float dim_amount : hint_range(0.0, 0.5) = 0.1;
+
+void fragment() {
+    vec4 original = textureLod(SCREEN_TEXTURE, SCREEN_UV, 0.0);
+
+    vec2 pixel = SCREEN_PIXEL_SIZE * blur_radius;
+
+    vec4 blurred = vec4(0.0);
+    int count = 0;
+
+    for (int x = -samples; x <= samples; x++) {
+        for (int y = -samples; y <= samples; y++) {
+            vec2 offset = vec2(float(x), float(y)) * pixel;
+            blurred += textureLod(SCREEN_TEXTURE, SCREEN_UV + offset, 0.0);
+            count++;
+        }
+    }
+
+    blurred /= float(count);
+
+    // Blend between original and blurred
+    vec4 color = mix(original, blurred, blur_strength);
+
+    // Slight dimming, if wanted
+    color.rgb *= (1.0 - dim_amount);
+
+    COLOR = color;
+}

tetris-game/shaders/blur_overlay.gdshader.uid

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+uid://ct7v5mfajkvir