Variable advancedWaterFragmentShaderConst
advancedWaterFragmentShader: "\n uniform float uTime;\n uniform vec3 uWaterColor;\n uniform vec3 uDeepWaterColor;\n uniform vec3 uFoamColor;\n uniform float uCausticIntensity;\n varying vec2 vUv;\n varying vec3 vPosition;\n varying float vElevation;\n \n float hash(vec2 p) {\n return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453);\n }\n \n float noise(vec2 p) {\n vec2 i = floor(p);\n vec2 f = fract(p);\n f = f * f * (3.0 - 2.0 * f);\n \n float a = hash(i);\n float b = hash(i + vec2(1.0, 0.0));\n float c = hash(i + vec2(0.0, 1.0));\n float d = hash(i + vec2(1.0, 1.0));\n \n return mix(mix(a, b, f.x), mix(c, d, f.x), f.y);\n }\n \n float caustic(vec2 uv, float time) {\n vec2 p = uv * 10.0;\n \n float c1 = noise(p + time * 0.3);\n float c2 = noise(p * 1.5 - time * 0.2);\n float c3 = noise(p * 2.0 + time * 0.4);\n \n return (c1 + c2 + c3) / 3.0;\n }\n \n void main() {\n vec2 causticUV = vUv + vec2(sin(uTime * 0.5) * 0.1, cos(uTime * 0.3) * 0.1);\n float causticPattern = caustic(causticUV, uTime);\n causticPattern = pow(causticPattern, 2.0) * uCausticIntensity;\n \n float depthFactor = smoothstep(-0.1, 0.1, vElevation);\n vec3 waterColor = mix(uDeepWaterColor, uWaterColor, depthFactor);\n \n vec3 finalColor = waterColor + vec3(causticPattern);\n \n if (vElevation > 0.08) {\n finalColor = mix(finalColor, uFoamColor, smoothstep(0.08, 0.12, vElevation));\n }\n \n float fresnel = pow(1.0 - abs(dot(normalize(vPosition), vec3(0.0, 0.0, 1.0))), 2.0);\n finalColor += vec3(fresnel * 0.1);\n \n gl_FragColor = vec4(finalColor, 0.75);\n }\n" = ...