Glow_spheres.js

//光の球を４つ定義
var sphere1 =BABYLON.MeshBuilder.CreateSphere("sphere1",{diameter:50},scene);
sphere1.position = new BABYLON.Vector3(-100,-50,0);

var sphere2 =BABYLON.MeshBuilder.CreateSphere("sphere2",{diameter:50},scene);
sphere2.position = new BABYLON.Vector3(100,-50,80);

var sphere3 =BABYLON.MeshBuilder.CreateSphere("sphere3",{diameter:40},scene);
sphere3.position = new BABYLON.Vector3(40,-50,-100);

    var sphere4 =BABYLON.MeshBuilder.CreateSphere("sphere4",{diameter:40},scene);
sphere4.position = new BABYLON.Vector3(-120,-50,-100);

//Glowレイヤーを使って、球を自発光させる
var gl = new BABYLON.GlowLayer("glow", scene,{
//     mainTextureFixedSize: 1024,
//     blurKernelSize: 64
});
gl.intensity = 100;
gl.customEmissiveColorSelector = function(mesh, subMesh, material, result) {
    if (mesh.name === "sphere1") {
        result.set(0.01, 0, 0.01, 0.2);//発光色を設定。4つめはアルファ値。以下３つも同様
    } else if(mesh.name === "sphere2"){
        result.set(0, 1, 0.1, 0.2);
    } else if(mesh.name === "sphere3"){
        result.set(0.01, 0.01, 0, 0.8);
    } else if(mesh.name === "sphere4"){
        result.set(0, 0.05, 1, 0.1);
    } else{
        result.set(0,0,0,0);
    }
}

//Glowだけでは水面の中で光が弱いので、プールにライトを配置して光を強調
var pointlight1 = new BABYLON.PointLight("pointLight1", new BABYLON.Vector3(-140,-20,-40), scene);
pointlight1.specular = new BABYLON.Color3(0.01,0,0.01);
pointlight1.intensity = 800;
pointlight1.radius = 100;

var pointlight2 = new BABYLON.PointLight("pointLight2", new BABYLON.Vector3(100,-100,-40), scene);
pointlight2.specular = new BABYLON.Color3(0,1,0.1);
pointlight2.intensity = 100;
pointlight2.radius = 50;

var pointlight3 = new BABYLON.PointLight("pointLight3", new BABYLON.Vector3(40,-10,-40), scene);
pointlight3.specular = new BABYLON.Color3(0.01,0.01,0);
pointlight3.intensity = 100;
pointlight3.radius = 100;

var pointlight4 = new BABYLON.PointLight("pointLight3", new BABYLON.Vector3(40,-10,-40), scene);
pointlight4.specular = new BABYLON.Color3(0,0.05,1);
pointlight4.intensity = 100;
pointlight4.radius = 100;

//水面の中にある球を可視化する。(これがないと、水面の下にある球が見えなくなる)
gl.addExcludedMesh(waterMesh);

//post processエフェクトをつける。exposureで光を強調
var postProcess = new BABYLON.ImageProcessingPostProcess("processing", 1.0, camera);
postProcess.exposure = 2;