import { default } from "https://deno.land/x/threejs_4_deno@v121/src/renderers/shaders/ShaderLib/meshmatcap_frag.glsl.js";
type
`
#define MATCAP
uniform vec3 diffuse;
uniform float opacity;
uniform sampler2D matcap;
varying vec3 vViewPosition;
#ifndef FLAT_SHADED
varying vec3 vNormal;
#endif
#include <common>
#include <dithering_pars_fragment>
#include <color_pars_fragment>
#include <uv_pars_fragment>
#include <map_pars_fragment>
#include <alphamap_pars_fragment>
#include <fog_pars_fragment>
#include <bumpmap_pars_fragment>
#include <normalmap_pars_fragment>
#include <logdepthbuf_pars_fragment>
#include <clipping_planes_pars_fragment>
void main() {
#include <clipping_planes_fragment>
vec4 diffuseColor = vec4( diffuse, opacity );
#include <logdepthbuf_fragment>
#include <map_fragment>
#include <color_fragment>
#include <alphamap_fragment>
#include <alphatest_fragment>
#include <normal_fragment_begin>
#include <normal_fragment_maps>
vec3 viewDir = normalize( vViewPosition );
vec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );
vec3 y = cross( viewDir, x );
vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; // 0.495 to remove artifacts caused by undersized matcap disks
#ifdef USE_MATCAP
vec4 matcapColor = texture2D( matcap, uv );
matcapColor = matcapTexelToLinear( matcapColor );
#else
vec4 matcapColor = vec4( 1.0 );
#endif
vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;
gl_FragColor = vec4( outgoingLight, diffuseColor.a );
#include <tonemapping_fragment>
#include <encodings_fragment>
#include <fog_fragment>
#include <premultiplied_alpha_fragment>
#include <dithering_fragment>
}
`