Added Filter Preset 'Channel Offset'

ChaoticByte · Jun 19, 2024 · e79c992 · e79c992
1 parent 2c6cfde
commit e79c992
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Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/src/presets/Presets.gd b/src/presets/Presets.gd
@@ -6,6 +6,7 @@ const dir = "res://src/presets/shaders/"
 	"Empty": load(dir + "empty.gdshader"),
 	"Greyscale": load(dir + "greyscale.gdshader"),
 	"Lowpass": load(dir + "lowpass.gdshader"),
+	"Channel Offset": load(dir + "channel_offset.gdshader"),
 	"RGB -> UV Distort": load(dir + "rgb_uv_distort.gdshader"),
 	"Mix": load(dir + "mix.gdshader")
 }

diff --git a/src/presets/shaders/channel_offset.gdshader b/src/presets/shaders/channel_offset.gdshader
@@ -0,0 +1,12 @@
+shader_type canvas_item;
+
+const vec2 offset_r = vec2(-0.002, -0.002);
+const vec2 offset_g = vec2(0., 0.);
+const vec2 offset_b = vec2(0.002, 0.002);
+
+void fragment() {
+	COLOR.r = texture(TEXTURE , UV + offset_r).r;
+	COLOR.g = texture(TEXTURE , UV + offset_g).g;
+	COLOR.b = texture(TEXTURE , UV + offset_b).b;
+	COLOR.a = COLOR.a;
+}