Denser stars

voxygen/shaders/include/sky.glsl

@@ -52,29 +52,33 @@ float get_sun_diffuse(vec3 norm, float time_of_day) {
 }
 
 vec3 rand_offs(vec3 pos) {
-	return sin(pos * vec3(1473.7 * pos.z, 8891.1 * pos.x, 3813.3 * pos.y));
+	return sin(pos * vec3(1473.7 * pos.z + 472.3, 8891.1 * pos.x + 723.1, 3813.3 * pos.y + 982.5));
 }
 
 vec3 get_sky_color(vec3 dir, float time_of_day) {
 
 	// Stars
-	float star_scale = 60.0;
-	float dist = 1000.0;
+	float star_scale = 30.0;
+	float star = 0.0;
 	for (int i = 0; i < 2; i ++) {
 		for (int j = 0; j < 2; j ++) {
 			for (int k = 0; k < 2; k ++) {
+				// Star positions
 				vec3 pos = (floor(dir * star_scale) + vec3(i, j, k) - vec3(0.5)) / star_scale;
-				pos += rand_offs(pos) * 0.2;
-				dist = min(dist, length(normalize(pos) - dir));
+
+				// Noisy offsets
+				pos += 3.0 * rand_offs(pos) / star_scale;
+
+				// Find distance to fragment
+				float dist = length(normalize(pos) - dir);
+
+				// Star threshold
+				if (dist < 0.0015) {
+					star = 1.0;
+				}
 			}
 		}
 	}
-	float star;
-	if (dist < 0.0015) {
-		star = 1.0;
-	} else {
-		star = 0.0;
-	}
 
 	// Sky color
 

voxygen/shaders/skybox.vert

@@ -14,6 +14,7 @@ out vec3 f_pos;
 void main() {
 	f_pos = v_pos;
 
+	// TODO: Make this position-independent to avoid rounding error jittering
 	gl_Position =
 		proj_mat *
 		view_mat *