shader_type spatial;

render_mode async_visible,blend_add,depth_draw_opaque,cull_back,diffuse_burley,specular_schlick_ggx,unshaded;

uniform float dissolve_value : hint_range(0, 1) = 0.5;
uniform float opacity : hint_range(0, 1) = 1.0;

uniform vec3 uv1_scale = vec3(1, 1, 1);
uniform vec3 uv1_offset;

uniform sampler2D albedo_texture;
uniform sampler2D nosie_texture;

void vertex() {
	UV *= uv1_scale.xy + uv1_offset.xy;
	mat4 mat_world = mat4(normalize(CAMERA_MATRIX[0])*length(WORLD_MATRIX[0]),normalize(CAMERA_MATRIX[1])*length(WORLD_MATRIX[0]),normalize(CAMERA_MATRIX[2])*length(WORLD_MATRIX[2]),WORLD_MATRIX[3]);
	mat_world = mat_world * mat4( vec4(cos(INSTANCE_CUSTOM.x),-sin(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(sin(INSTANCE_CUSTOM.x), cos(INSTANCE_CUSTOM.x), 0.0, 0.0),vec4(0.0, 0.0, 1.0, 0.0),vec4(0.0, 0.0, 0.0, 1.0));
	MODELVIEW_MATRIX = INV_CAMERA_MATRIX * mat_world;
}

void fragment() {
	vec4 texture_mask = texture(albedo_texture, UV) * COLOR;
	ALBEDO = texture_mask.rgb;
	float nosie_mask = texture(nosie_texture, UV).r;
	ALPHA = opacity * texture_mask.a * step(dissolve_value, texture_mask.a - nosie_mask);
}