shader_type spatial;

render_mode unshaded, cull_disabled,depth_prepass_alpha;

uniform sampler2D noise_texture: repeat_enable;
uniform sampler2D fire_gradient;
uniform float height: hint_range(0.0, 1.0, 0.01);

void fragment() {
	float noise = texture(noise_texture,UV + vec2(0,fract(TIME/5.0))).x;
	
	ALBEDO = texture(fire_gradient,vec2(UV.y+noise*0.1,0)).rgb;
	float interpolated = 0.;
	if (UV.y > 0.0) {
		interpolated = UV.y/height;
	}
	
	if (UV.y < height) {
		ALPHA = step(0.5,mix(noise,1.0,interpolated-0.3));
	}
}