WindEffect2D

shader_type canvas_item;

uniform float speed : hint_range(0.0, 50.0) = 2.0;
uniform float variation : hint_range(0.0, 1.0) = 0.5;

uniform float lean : hint_range(-1.0, 1.0) = 0.0;
uniform float amplitude : hint_range(0.0, 1.0) = 0.05;

uniform float offset_fix : hint_range(0.0, 50.0) = 0.0;
uniform float total_strength : hint_range(0.0, 50.0) = 10.0;

void vertex() {
	float sway = lean + sin(MODEL_MATRIX[3].x * variation + TIME * speed) * amplitude;
	VERTEX.x += (sway * total_strength - offset_fix * -sign(lean)) * (1.0 - UV.y) * (1.0 - UV.y);
}