X-Git-Url: https://codewiz.org/gitweb?p=mandelwow.git;a=blobdiff_plain;f=shaded.vert;h=e21f5fcbd6cdf4478054ad5331b1ac80dab69a2b;hp=4f3035c3a5c3400fee32c609a55d5e2764ecb228;hb=e909401ee19ae946d8888dc3aa75d269f408fb92;hpb=c298ca511683f329dfedd18bf9490520586cf8cf

diff --git a/shaded.vert b/shaded.vert
index 4f3035c..e21f5fc 100644
--- a/shaded.vert
+++ b/shaded.vert
@@ -3,20 +3,22 @@ precision lowp float;
 
 in vec3 position;
 in vec3 normal;
-out vec4 color;
+out vec4 color;  // Shaded color
 
-uniform mat4 perspective;
-uniform mat4 view;
 uniform mat4 model;
+uniform mat4 perspview;
+uniform vec3 col;
 
 void main() {
-    mat4 modelview = view * model;
-    mat4 m = perspective * modelview;
-    vec3 dark = vec3(0.0, 0.0, 0.1);
-    vec3 bright = vec3(0.0, 0.0, 0.9);
-    vec3 u_light = vec3(-0.5, -0.5, -1.);
+    mat4 m = perspview * model;
+    vec3 dark = col * 0.1;
+    vec3 u_light = vec3(-0.5, -0.7, -0.6);
     vec3 v_normal = transpose(inverse(mat3(model))) * normal;
-    float brightness = max(dot(normalize(v_normal), normalize(u_light)), 0.0);
-    color = vec4(mix(dark, bright, brightness), 1.0);
+
+    float distance = model[3][2];
+    float attenuation = 1. / (1. + distance * distance * 0.05);
+    float brightness = max(dot(normalize(v_normal), normalize(u_light)) * attenuation, 0.0);
+    color = vec4(mix(dark, col, brightness), 1.0);
+
     gl_Position = m * vec4(position, 1.0);
 }