40 lines
No EOL
1 KiB
Text
40 lines
No EOL
1 KiB
Text
varying vec3 q_tilde;
|
|
varying vec3 inv_T_square_v;
|
|
varying vec3 inv_T_square_e_c;
|
|
varying vec4 e_clip;
|
|
varying vec4 V_clip;
|
|
varying vec3 h0;
|
|
varying vec3 l0;
|
|
varying vec3 h1;
|
|
varying vec3 l1;
|
|
varying vec4 a;
|
|
|
|
void main()
|
|
{
|
|
float q_tilde_squared_length = dot(q_tilde.xy,q_tilde.xy);
|
|
if (q_tilde_squared_length > 1.0)
|
|
discard;
|
|
float lambda = 1.0/(1.0+q_tilde.z*sqrt(1.0-q_tilde_squared_length));
|
|
vec3 n = normalize(inv_T_square_e_c + lambda * inv_T_square_v);
|
|
|
|
gl_FragColor = a;
|
|
float ldotn = dot(n,l0);
|
|
if (ldotn > 0.0) {
|
|
gl_FragColor +=
|
|
ldotn*gl_FrontLightProduct[0].diffuse+
|
|
pow(max(dot(n,normalize(h0)), 0.0), gl_FrontMaterial.shininess)*
|
|
gl_FrontLightProduct[0].specular;
|
|
}
|
|
/*
|
|
ldotn = dot(n,l1);
|
|
if (ldotn > 0.0) {
|
|
gl_FragColor +=
|
|
ldotn*gl_FrontLightProduct[1].diffuse +
|
|
pow(max(dot(n,h1), 0.0), gl_FrontMaterial.shininess)*
|
|
gl_FrontLightProduct[1].specular;
|
|
}
|
|
*/
|
|
vec4 p = e_clip+lambda*(V_clip - e_clip);
|
|
gl_FragDepth = 0.5*p.z/p.w+0.5;
|
|
|
|
} |