" float s = -sin(w*0.2);\n"
" float r = 0.2;\n"
"\n"
-" float w1 = clamp( w*4.0 - a_co.y*10.0, -1.0, 1.0 ) *(3.14159265*0.5);\n"
+" float w1 = clamp( w*4.0 - a_co.y*10.0, -1.0, 1.0 ) * (3.14159265*2.5);\n"
" float c1 = cos(w1);\n"
" float s1 = sin(w1);\n"
"\n"