| /* |
| title: Metal Surface |
| category: surface |
| titleCN: Metal Surface |
| */ |
| |
| |
| var sin = Math.sin; |
| var cos = Math.cos; |
| var pow = Math.pow; |
| var sqrt = Math.sqrt; |
| var cosh = Math.cosh; |
| var sinh = Math.sinh; |
| var PI = Math.PI; |
| |
| var aa = 0.4; |
| var r = 1 - aa * aa; |
| var w = sqrt(r); |
| |
| option = { |
| tooltip: {}, |
| visualMap: { |
| show: false, |
| dimension: 2, |
| min: -5, |
| max: 5, |
| inRange: { |
| color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026'] |
| } |
| }, |
| xAxis3D: {}, |
| yAxis3D: {}, |
| zAxis3D: {}, |
| grid3D: { |
| show: false, |
| postEffect: { |
| enable: true, |
| SSAO: { |
| enable: true, |
| radius: 4, |
| quality: 'high', |
| intensity: 1.5 |
| } |
| }, |
| temporalSuperSampling: { |
| enable: true |
| }, |
| light: { |
| main: { |
| intensity: 2, |
| shadow: true |
| }, |
| ambient: { |
| intensity: 0 |
| }, |
| ambientCubemap: { |
| texture: ROOT_PATH + '/data-gl/asset/canyon.hdr', |
| exposure: 2, |
| diffuseIntensity: 0.2, |
| specularIntensity: 3 |
| } |
| } |
| }, |
| series: [{ |
| type: 'surface', |
| parametric: true, |
| silent: true, |
| wireframe: { |
| show: false |
| }, |
| shading: 'realistic', |
| realisticMaterial: { |
| roughness: 0.2, |
| metalness: 1 |
| }, |
| parametricEquation: { |
| u: { |
| min: -13.2, |
| max: 13.2, |
| step: 0.2 |
| }, |
| v: { |
| min: -37.4, |
| max: 37.4, |
| step: 0.2 |
| }, |
| x: function (u, v) { |
| var denom = aa * (pow(w * cosh(aa * u), 2) + aa * pow(sin(w * v), 2)) |
| return -u + (2 * r * cosh(aa * u) * sinh(aa * u) / denom); |
| }, |
| y: function (u, v) { |
| var denom = aa * (pow(w * cosh(aa * u), 2) + aa * pow(sin(w * v), 2)) |
| return 2 * w * cosh(aa * u) * (-(w * cos(v) * cos(w * v)) - (sin(v) * sin(w * v))) / denom; |
| }, |
| z: function (u, v) { |
| var denom = aa * (pow(w * cosh(aa * u), 2) + aa * pow(sin(w * v), 2)) |
| return 2 * w * cosh(aa * u) * (-(w * sin(v) * cos(w * v)) + (cos(v) * sin(w * v))) / denom |
| } |
| } |
| }] |
| }; |