36 lines
1 KiB
Text
36 lines
1 KiB
Text
varying vec3 N;
|
|
varying vec3 L;
|
|
varying vec3 V;
|
|
varying vec2 T;
|
|
uniform sampler2D BaseMap;
|
|
uniform sampler2D AltMap;
|
|
uniform sampler2D NormalMap;
|
|
|
|
void main()
|
|
{
|
|
vec3 bump = normalize(texture2D(NormalMap,T).xyz*2.0-1.0)-vec3(0,0,1);
|
|
vec3 n = normalize(N)//+bump*5.0);
|
|
vec3 l = normalize(L);
|
|
vec3 v = normalize(V);
|
|
|
|
float HighlightSize=0.1;
|
|
float ShadowSize=0.2;
|
|
float OutlineWidth=0.2;
|
|
|
|
vec4 MidColour=gl_FrontMaterial.diffuse;
|
|
vec4 HighlightColour=MidColour*2.0;
|
|
vec4 ShadowColour=MidColour*0.5;
|
|
HighlightColour.a=1.0;
|
|
ShadowColour.a=1.0;
|
|
|
|
float lambert = dot(l,n);
|
|
vec4 colour = vec4(MidColour.xyz*lambert,1);
|
|
if (lambert > 1.0-HighlightSize) colour = HighlightColour;
|
|
if (lambert < ShadowSize) colour = ShadowColour;
|
|
if (dot(n,v) < OutlineWidth) colour = vec4(0,0,0,1);
|
|
if (dot(n,v) < 0.0) colour = MidColour;//*texture2D(BaseMap, T);
|
|
|
|
colour = mix(colour+texture2D(AltMap, T*10.0),colour,smoothstep(4.0,8.0,length(V)));
|
|
colour.a *= smoothstep(2.0,6.0,length(V));
|
|
gl_FragColor = colour;
|
|
}
|