webglFramework/Thirdparty/three.js-master/src/renderers/shaders/ShaderChunk/clipping_planes_fragment.glsl

   1 #if NUM_CLIPPING_PLANES > 0
   2
   3         for ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {
   4
   5                 vec4 plane = clippingPlanes[ i ];
   6                 if ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;
   7
   8         }
   9
  10         #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
  11
  12                 bool clipped = true;
  13                 for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {
  14                         vec4 plane = clippingPlanes[ i ];
  15                         clipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;
  16                 }
  17
  18                 if ( clipped ) discard;
  19
  20         #endif
  21
  22 #endif