Const raymarch_matcap_frag
raymarch_matcap_frag: "uniform vec3 diffuse;uniform sampler2D matcap;#include <raymarch_fog_pars_fragment>#include <raymarch_common_pars_fragment>#include <envmap_common_pars_fragment>#include <envmap_pars_fragment>#include <ray_pars_fragment>#include <distance_pars_fragment>#include <raymarch_pars_fragment>void main(void) {#include <raymarch_fragment>vec4 diffuseColor = vec4(diffuse, opacity);vec3 viewPosition = (modelViewMatrix * vec4(position, 1.0)).xyz;vec3 viewDir = normalize(viewPosition);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;#ifdef USE_MATCAPvec4 matcapColor = texture2D(matcap, uv);matcapColor = matcapTexelToLinear(matcapColor);#elsevec4 matcapColor = vec4(1.0);#endifvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;gl_FragColor = vec4(outgoingLight, diffuseColor.a);#include <raymarch_write_depth_fragment>#include <tonemapping_fragment>#include <raymarch_fog_fragment>}" = `uniform vec3 diffuse;uniform sampler2D matcap;#include <raymarch_fog_pars_fragment>#include <raymarch_common_pars_fragment>#include <envmap_common_pars_fragment>#include <envmap_pars_fragment>#include <ray_pars_fragment>#include <distance_pars_fragment>#include <raymarch_pars_fragment>void main(void) {#include <raymarch_fragment>vec4 diffuseColor = vec4(diffuse, opacity);vec3 viewPosition = (modelViewMatrix * vec4(position, 1.0)).xyz;vec3 viewDir = normalize(viewPosition);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;#ifdef USE_MATCAPvec4 matcapColor = texture2D(matcap, uv);matcapColor = matcapTexelToLinear(matcapColor);#elsevec4 matcapColor = vec4(1.0);#endifvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;gl_FragColor = vec4(outgoingLight, diffuseColor.a);#include <raymarch_write_depth_fragment>#include <tonemapping_fragment>#include <raymarch_fog_fragment>}`