shader_type spatial;
render_mode unshaded, cull_disabled;

uniform float spin_speed = 2.0;

void vertex() {
	float angle = TIME * spin_speed;
	vec4 q = vec4(sin(angle), 0.0, 0.0, cos(angle));
	vec3 temp = cross(q.xyz, VERTEX) + q.w * VERTEX;
	VERTEX = VERTEX + 2.0 * cross(q.xyz, temp);
}

void fragment() {
	ALBEDO = COLOR.rgb;
}