import flat_effect;
import _sky;

#pragma MSP stage(fragment)
layout(location=0) out vec3 frag_color;
void main()
{
	float azimuth = texcoord.x*2.0*PI;
	float z = texcoord.y*2.0-1.0;
	float r = sqrt(1.0-z*z);
	vec3 look_dir = vec3(cos(azimuth)*r, sin(azimuth)*r, z);
	frag_color = raymarch_path(view_height, look_dir).luminance;
}