shader_type spatial;

uniform sampler2D noise;
uniform float noiseScale = 1;
uniform float snowLevel = 0.9;
uniform float speedScale = 1;

void fragment() {
	float val = texture(noise, vec2(UV.x * noiseScale + -TIME * speedScale, UV.y * noiseScale + TIME * speedScale)).x;
	float val2 = texture(noise, vec2(UV.x * noiseScale + TIME * -speedScale / 2.0, UV.y * noiseScale + TIME * speedScale)).x;
	EMISSION = vec3(0.5, 0.5, 0.5);
	if (val < snowLevel && val2 < snowLevel) discard;
}