export declare const ver = "\nvarying highp vec2 vUv;\nvarying vec3 vWorldPosition;\nvarying vec3 vViewPosition;\nvarying vec3 vNormal;\n\n#include <common>\n#include <logdepthbuf_pars_vertex>\n\nvoid main() {\n  #include <begin_vertex>\n  #include <project_vertex>\n  #include <logdepthbuf_vertex>\n  \n  vUv = uv;\n  vec4 worldPosition = modelMatrix * vec4(position, 1.0);\n  vWorldPosition = worldPosition.xyz;\n  gl_Position = projectionMatrix * viewMatrix * worldPosition;\n  \n  vNormal = normalize(mat3(transpose(inverse(modelMatrix))) * normal);\n  vec3 cameraToVertex = normalize(cameraPosition - vWorldPosition);\n  vViewPosition = cameraToVertex;\n}\n";
export declare const frag = "\n#include <logdepthbuf_pars_fragment>\n\nuniform float progress;\nuniform float addOpacity;\nuniform float objSize;\nuniform bool isFadeIn;\nuniform vec3 center;\n\nvarying vec2 vUv;\nvarying vec3 vWorldPosition;\nvarying vec3 vNormal;\nvarying vec3 vViewPosition;\n\nvoid main() {\n  #include <logdepthbuf_fragment>\n\n  if (isFadeIn) {\n    vec3 myWorldPosition = vWorldPosition / objSize;\n    vec3 viewDirection = normalize(vViewPosition);\n    vec3 normal = normalize(vNormal);\n    float lightIntensity = 1.0 - pow(dot(normal, viewDirection), 2.0);\n\n    float circle1 = 0.5 - clamp(distance(center / objSize, myWorldPosition * 0.5), 0.0, 0.55);\n\n    float circleOut = step(distance(center / objSize, myWorldPosition), progress);\n    float circleIn = step(distance(center / objSize, myWorldPosition), progress - 0.002);\n    float circleW = circleOut - circleIn;\n\n    vec4 color = mix(vec4(1.0, 0.43, 0.0, 0.1), vec4(1.0, 0.43, 0.0, 1.0), circle1);\n    gl_FragColor = color * lightIntensity * 0.8 + vec4(circleW * 20.0, circleW * 8.6, circleW * 0.0, circleW * 2.0);\n    gl_FragColor.w *= circleOut * addOpacity;\n    \n  } else {\n    vec3 myWorldPosition = vWorldPosition / objSize;\n    vec3 viewDirection = normalize(vViewPosition);\n    vec3 normal = normalize(vNormal);\n    float lightIntensity = 1.0 - pow(dot(normal, viewDirection), 2.0);\n\n    float circle1 = 0.5 - clamp(distance(center / objSize, myWorldPosition * 0.5), 0.0, 0.55);\n    float circleOut = 1.0 - step(distance(center / objSize, myWorldPosition), progress);\n    float circleIn = 1.0 - step(distance(center / objSize, myWorldPosition), progress - 0.002);\n    float circleW = circleOut - circleIn;\n\n    vec4 color = mix(vec4(1.0, 0.43, 0.0, 0.1), vec4(1.0, 0.43, 0.0, 1.0), circle1);\n    gl_FragColor = color * lightIntensity * 0.8 + vec4(circleW * 20.0, circleW * 8.6, circleW * 0.0, circleW * 2.0);\n    gl_FragColor.w *= circleIn * addOpacity;\n  }\n}\n";