Repeated pattern shader

shader_type canvas_item;

uniform float row_offset : hint_range(0.0, 1.0, 0.01);
uniform vec2 direction = vec2(0.77, 0.77);
uniform float speed = 10.0;

uniform float skew_amount : hint_range(-1.0, 1.0, 0.01) = 0.5;
uniform float perspective_amount = -0.5;

void fragment() {
	float scale = 1.0;
	vec2 move_uv = UV + direction * TIME * speed;
	vec2 pick_uv = vec2(move_uv.x, move_uv.y + (move_uv.x * skew_amount)) / vec2(scale + ((UV.x - 0.5) * perspective_amount));
	int row_id = int(pick_uv.y);

	if (row_id % 2 != 0) {
		pick_uv += vec2(row_offset, 0.0);
	}

	vec4 texture_color = texture(TEXTURE, pick_uv);
	COLOR = texture_color;
}