wind.shader

shader_type canvas_item;

uniform float frequency=5;
uniform float depth = 0.01;
uniform float speed_multiplier = 2.0;

void fragment() {
	
	float multiplier = 1.0-(UV.y+0.3);
	if(multiplier <= 0.0) {
		multiplier = 0.0;
	}
	
	vec2 uv = UV;
	uv.x += sin(uv.y*frequency+(TIME*speed_multiplier))*depth*multiplier;
	uv.x = clamp(uv.x,0,1);
	vec4 c = textureLod(TEXTURE,uv,0.0).rgba;
	
	COLOR.rgba=c;
}