25 lines
407 B
Plaintext
25 lines
407 B
Plaintext
|
#ifdef TOON
|
||
|
|
|
||
|
|
uniform sampler2D gradientMap;
|
||
|
|
|
||
|
|
vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {
|
||
|
|
|
||
|
|
// dotNL will be from -1.0 to 1.0
|
||
|
|
float dotNL = dot( normal, lightDirection );
|
||
|
|
vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );
|
||
|
|
|
||
|
|
#ifdef USE_GRADIENTMAP
|
||
|
|
|
||
|
|
return texture2D( gradientMap, coord ).rgb;
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
return ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|