better noise-function

2014-05-07 10:12:18 +02:00
parent 7dd79f095c
commit a91aad5daa
3 changed files with 15 additions and 12 deletions
--- a/shaders/map/tessEval.shader
+++ b/shaders/map/tessEval.shader
@ -133,7 +133,8 @@ void main()
    float i2 = (1-gl_TessCoord.z)*gl_TessCoord.z * length(cross(tcNormal[2],tessNormal));
    float standout = i0+i1+i2;
    tePosition = tePosition+tessNormal*standout;
-    tePosition = tePosition+0.05*snoise(tePosition);
+    vec3 tmp = tePosition+1*snoise(tePosition/20);
+    tePosition = vec3(tePosition.x, tmp.y, tePosition.z);
    gl_Position = ProjectionMatrix * ViewMatrix * vec4(tePosition, 1);
    fogDist = gl_Position.z;