export declare const vertexShader = "\n      varying vec2 vUv;\n      void main() {\n        vUv = uv;\n        gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n      }\n    ";
export declare const fragmentShader = "\n      uniform sampler2D uTexture;\n      uniform vec2 uResolution;\n      uniform vec2 uTextureSize;\n      uniform vec2 uMouse;\n      uniform float uParallaxStrength;\n      uniform float uDistortionMultiplier;\n      uniform float uGlassStrength;\n      uniform float ustripesFrequency;\n      uniform float uglassSmoothness;\n      uniform float uEdgePadding;\n      \n      varying vec2 vUv;\n      \n      vec2 getCoverUV(vec2 uv, vec2 textureSize) {\n        if (textureSize.x < 1.0 || textureSize.y < 1.0) return uv;\n        \n        vec2 s = uResolution / textureSize;\n        float scale = max(s.x, s.y);\n        \n        vec2 scaledSize = textureSize * scale;\n        vec2 offset = (uResolution - scaledSize) * 0.5;\n        \n        return (uv * uResolution - offset) / scaledSize;\n      }\n      \n      float displacement(float x, float num_stripes, float strength) {\n        float modulus = 1.0 / num_stripes;\n        return mod(x, modulus) * strength;\n      }\n      \n      float fractalGlass(float x) {\n        float d = 0.0;\n        for (int i = -5; i <= 5; i++) {\n          d += displacement(x + float(i) * uglassSmoothness, ustripesFrequency, uGlassStrength);\n        }\n        d = d / 11.0;\n        return x + d;\n      }\n\n      float smoothEdge(float x, float padding) {\n        float edge = padding;\n        if (x < edge) {\n          return smoothstep(0.0, edge, x);\n        } else if (x > 1.0 - edge) {\n          return smoothstep(1.0, 1.0 - edge, x);\n        }\n        return 1.0;\n      }\n      \n      void main() {\n        vec2 uv = vUv;\n        \n        float originalX = uv.x;\n        \n        float edgeFactor = smoothEdge(originalX, uEdgePadding);\n        \n        float distortedX = fractalGlass(originalX);\n        \n        uv.x = mix(originalX, distortedX, edgeFactor);\n        \n        float distortionFactor = uv.x - originalX;\n        \n        float parallaxDirection = -sign(0.5 - uMouse.x);\n        \n        vec2 parallaxOffset = vec2(\n          parallaxDirection * abs(uMouse.x - 0.5) * uParallaxStrength * (1.0 + abs(distortionFactor) * uDistortionMultiplier),\n          0.0\n        );\n        \n        parallaxOffset *= edgeFactor;\n        \n        uv += parallaxOffset;\n        \n        vec2 coverUV = getCoverUV(uv, uTextureSize);\n        \n        if (coverUV.x < 0.0 || coverUV.x > 1.0 || coverUV.y < 0.0 || coverUV.y > 1.0) {\n          coverUV = clamp(coverUV, 0.0, 1.0);\n        }\n        \n        vec4 color = texture2D(uTexture, coverUV);\n        \n        gl_FragColor = color;\n      }\n    ";
//# sourceMappingURL=FractalGlassShaders.d.ts.map