<!-- CODERS100 · part 82 -->
e.data),n[t]=s,r++}c.attributes=n,c.attributesNum=r,c.index=e}(y,x)}else{const t=!0===l.wireframe;c.geometry===y.id&&c.program===u.id&&c.wireframe===t||(c.geometry=y.id,c.program=u.id,c.wireframe=t,_=!0)}!0===r.isInstancedMesh&&(_=!0),null!==x&&n.update(x,34963),_&&(!function(r,s,a,o){if(!1===i.isWebGL2&&(r.isInstancedMesh||o.isInstancedBufferGeometry)&&null===e.get("ANGLE_instanced_arrays"))return;p();const l=o.attributes,c=a.getAttributes(),h=s.defaultAttributeValues;for(const e in c){const i=c[e];if(i>=0){const s=l[e];if(void 0!==s){const e=s.normalized,r=s.itemSize,a=n.get(s);if(void 0===a)continue;const l=a.buffer,c=a.type,h=a.bytesPerElement;if(s.isInterleavedBufferAttribute){const n=s.data,a=n.stride,u=s.offset;n&&n.isInstancedInterleavedBuffer?(f(i,n.meshPerAttribute),void 0===o._maxInstanceCount&&(o._maxInstanceCount=n.meshPerAttribute*n.count)):m(i),t.bindBuffer(34962,l),v(i,r,c,e,a*h,u*h)}else s.isInstancedBufferAttribute?(f(i,s.meshPerAttribute),void 0===o._maxInstanceCount&&(o._maxInstanceCount=s.meshPerAttribute*s.count)):m(i),t.bindBuffer(34962,l),v(i,r,c,e,0,0)}else if("instanceMatrix"===e){const e=n.get(r.instanceMatrix);if(void 0===e)continue;const s=e.buffer,a=e.type;f(i+0,1),f(i+1,1),f(i+2,1),f(i+3,1),t.bindBuffer(34962,s),t.vertexAttribPointer(i+0,4,a,!1,64,0),t.vertexAttribPointer(i+1,4,a,!1,64,16),t.vertexAttribPointer(i+2,4,a,!1,64,32),t.vertexAttribPointer(i+3,4,a,!1,64,48)}else if("instanceColor"===e){const e=n.get(r.instanceColor);if(void 0===e)continue;const s=e.buffer,a=e.type;f(i,1),t.bindBuffer(34962,s),t.vertexAttribPointer(i,3,a,!1,12,0)}else if(void 0!==h){const n=h[e];if(void 0!==n)switch(n.length){case 2:t.vertexAttrib2fv(i,n);break;case 3:t.vertexAttrib3fv(i,n);break;case 4:t.vertexAttrib4fv(i,n);break;default:t.vertexAttrib1fv(i,n)}}}}g()}(r,l,u,y),null!==x&&t.bindBuffer(34963,n.get(x).buffer))},reset:y,resetDefaultState:x,dispose:function(){y();for(const t in o){const e=o[t];for(const t in e){const n=e[t];for(const t in n)u(n[t].object),delete n[t];delete e[t]}delete o[t]}},releaseStatesOfGeometry:function(t){if(void 0===o[t.id])return;const e=o[t.id];for(const t in e){const n=e[t];for(const t in n)u(n[t].object),delete n[t];delete e[t]}delete o[t.id]},releaseStatesOfProgram:function(t){for(const e in o){const n=o[e];if(void 0===n[t.id])continue;const i=n[t.id];for(const t in i)u(i[t].object),delete i[t];delete n[t.id]}},initAttributes:p,enableAttribute:m,disableUnusedAttributes:g}}function fi(t,e,n,i){const r=i.isWebGL2;let s;this.setMode=function(t){s=t},this.render=function(e,i){t.drawArrays(s,e,i),n.update(i,s,1)},this.renderInstances=function(i,a,o){if(0===o)return;let l,c;if(r)l=t,c="drawArraysInstanced";else if(l=e.get("ANGLE_instanced_arrays"),c="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[c](s,i,a,o),n.update(a,s,o)}}function gi(t,e,n){let i;function r(e){if("highp"===e){if(t.getShaderPrecisionFormat(35633,36338).precision>0&&t.getShaderPrecisionFormat(35632,36338).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(35633,36337).precision>0&&t.getShaderPrecisionFormat(35632,36337).precision>0?"mediump":"lowp"}const s="undefined"!=typeof WebGL2RenderingContext&&t instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&t instanceof WebGL2ComputeRenderingContext;let a=void 0!==n.precision?n.precision:"highp";const o=r(a);o!==a&&(console.warn("THREE.WebGLRenderer:",a,"not supported, using",o,"instead."),a=o);const l=!0===n.logarithmicDepthBuffer,c=t.getParameter(34930),h=t.getParameter(35660),u=t.getParameter(3379),d=t.getParameter(34076),p=t.getParameter(34921),m=t.getParameter(36347),f=t.getParameter(36348),g=t.getParameter(36349),v=h>0,y=s||e.has("OES_texture_float");return{isWebGL2:s,getMaxAnisotropy:function(){if(void 0!==i)return i;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");i=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else i=0;return i},getMaxPrecision:r,precision:a,logarithmicDepthBuffer:l,maxTextures:c,maxVertexTextures:h,maxTextureSize:u,maxCubemapSize:d,maxAttributes:p,maxVertexUniforms:m,maxVaryings:f,maxFragmentUniforms:g,vertexTextures:v,floatFragmentTextures:y,floatVertexTextures:v&&y,maxSamples:s?t.getParameter(36183):0}}function vi(t){const e=this;let n=null,i=0,r=!1,s=!1;const a=new Ne,o=new yt,l={value:null,needsUpdate:!1};function c(){l.value!==n&&(l.value=n,l.needsUpdate=i>0),e.numPlanes=i,e.numIntersection=0}function h(t,n,i,r){const s=null!==t?t.length:0;let c=null;if(0!==s){if(c=l.value,!0!==r||null===c){const e=i+4*s,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length<e)&&(c=new Float32Array(e));for(let e=0,n=i;e!==s;++e,n+=4)a.copy(t[e]).applyMatrix4(r,o),a.normal.toArray(c,n),c[n+3]=a.constant}l.value=c,l.needsUpdate=!0}return 