Foliage animation

Animate your backgrounds tree, or grass, with X, Y movement and global wind waves.

Shader code

shader_type canvas_item;

uniform float x_intensity = 3.0;
uniform float y_intensity = 0.5;
uniform float offset = 0.0;
uniform float speed : hint_range(0, 20) = 2.0;
uniform float wave_frequency : hint_range(0, 100) = 20;
uniform float wave_length : hint_range(50, 800) = 200.0;

void fragment() {
	vec2 real_uv = vec2(UV.x, UV.y);
	
	vec2 vecToBottom = vec2(1, 1) - UV.y; 
	float distToBottom = length(vecToBottom);
	
	float final_speed = TIME * (speed / 4.0) + offset;
	
	float time_var = (cos(final_speed) * cos(final_speed * 4.0) * cos(final_speed * 2.0))/(200.0);
	float time_var2 = (cos(final_speed) * cos(final_speed * 6.0) * cos(final_speed * 2.0))/(200.0);
	
	float wave_from_x = (cos(real_uv.x * 100.0)/1000.0);
	float wave_large_from_x = cos(TIME + (real_uv.x * wave_frequency))/wave_length;
	
	float wave_from_y = (cos(real_uv.y * 99000.0)/90000.0);
	
	float new_x = real_uv.x + time_var * (distToBottom * x_intensity) + wave_from_x + (wave_large_from_x);
	float new_y = real_uv.y + time_var2 * (distToBottom * y_intensity);
	
	vec2 new_uv1 = vec2(new_x, new_y);
	vec4 new_texture = texture(TEXTURE, new_uv1);
	
	if(new_texture.rgb != vec3(1,1,1)){
		COLOR.rgba = new_texture.rgba;
	}
}

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