1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
void default_scatter(vec3 viewVec, vec3 lightDir);
vec4 calcLightingSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor, vec3 baseCol);
vec2 getScatterCoord(vec3 viewVec, vec3 lightDir);
varying vec4 specular;
vec4 texgen_object(vec4 vpos, vec4 tc, mat4 mat, vec4 tp0, vec4 tp1)
{
vec4 tcoord;
tcoord.x = dot(vpos, tp0);
tcoord.y = dot(vpos, tp1);
tcoord.z = tc.z;
tcoord.w = tc.w;
tcoord = mat * tcoord;
return tcoord;
}
void main()
{
//transform vertex
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
gl_TexCoord[0] = gl_MultiTexCoord0;
gl_TexCoord[1] = texgen_object(gl_Vertex, gl_MultiTexCoord1, gl_TextureMatrix[1], gl_ObjectPlaneS[1],gl_ObjectPlaneT[1]);
vec3 pos = (gl_ModelViewMatrix * gl_Vertex).xyz;
vec3 norm = normalize(gl_NormalMatrix * gl_Normal);
vec4 spec = gl_Color;
gl_FrontColor.rgb = calcLightingSpecular(pos, norm, gl_Color, spec, vec3(0.0, 0.0, 0.0)).rgb;
gl_FrontColor.a = gl_Color.a;
specular = spec;
specular.a = gl_Color.a*0.5;
vec3 ref = reflect(pos,norm);
gl_TexCoord[2] = gl_TextureMatrix[2]*vec4(ref,1);
default_scatter(pos.xyz, gl_LightSource[0].position.xyz);
}
|
