first commit

wobble.gdshader

@@ -0,0 +1,12 @@
+shader_type canvas_item;
+
+uniform float frequency : hint_range(0.0, 60.0) = 1.0;
+uniform float motion_rot : hint_range(-3.141592653589793, 3.141592653589793) = 0.0;
+uniform float displacement_x = 0.0;
+uniform float displacement_y = 64.0;
+uniform sampler2D displacement;
+
+void fragment() {
+    vec2 d = vec2(displacement_x, displacement_y) * (2.0 * texture(displacement, fract(UV - frequency * TIME * vec2(cos(motion_rot), sin(motion_rot)))).rg - 1.0);
+    COLOR = texture(TEXTURE, UV + d * TEXTURE_PIXEL_SIZE);
+}