private void Scene19()
{
this.scene = new BABYLON.Scene(engine);
var camera = new BABYLON.ArcRotateCamera("Camera", 0, 0, 10, BABYLON.Vector3.Zero(), scene);
var material = new BABYLON.StandardMaterial("kosh", scene);
material.diffuseColor = BABYLON.Color3.Purple();
var light = new BABYLON.PointLight("Omni0", new BABYLON.Vector3(-17.6, 18.8, -49.9), scene);
camera.setPosition(new BABYLON.Vector3(-15, 10, -20));
camera.minZ = 1.0;
camera.maxZ = 120.0;
// Skybox
var skybox = BABYLON.Mesh.CreateBox("skyBox", 100.0, scene);
var skyboxMaterial = new BABYLON.StandardMaterial("skyBox", scene);
skyboxMaterial.backFaceCulling = false;
skyboxMaterial.reflectionTexture = new BABYLON.CubeTexture("skybox", scene);
skyboxMaterial.reflectionTexture.coordinatesMode = BABYLON.Texture.SKYBOX_MODE;
skyboxMaterial.diffuseColor = new BABYLON.Color3(0, 0, 0);
skyboxMaterial.specularColor = new BABYLON.Color3(0, 0, 0);
skybox.material = skyboxMaterial;
// depth material
BABYLON.Effect.ShadersStore["depthVertexShader"] =
"#ifdef GL_ES\n" +
"precision highp float;\n" +
"#endif\n" +
"attribute vec3 position;\n" +
"uniform mat4 worldViewProjection;\n" +
"void main(void) {\n" +
"gl_Position = worldViewProjection * vec4(position, 1.0);\n" +
"}";
BABYLON.Effect.ShadersStore["depthPixelShader"] =
"#ifdef GL_ES\n" +
"precision highp float;\n" +
"#endif\n" +
"void main(void) {\n" +
"float depth = 1.0 - (2.0 / (100.0 + 1.0 - gl_FragCoord.z * (100.0 - 1.0)));\n" +
"gl_FragColor = vec4(depth, depth, depth, 1.0);\n" +
"}\n" +
"";
var depthMaterial = new BABYLON.ShaderMaterial(
"depth",
scene,
"depth",
new ShaderMaterialOptions()
{
attributes = new Array <string>("position"),
uniforms = new Array <string>("worldViewProjection")
});
depthMaterial.backFaceCulling = false;
// Plane
var plane = BABYLON.Mesh.CreatePlane("map", 10, scene);
plane.billboardMode = BABYLON.AbstractMesh.BILLBOARDMODE_ALL;
plane.scaling.y = 1.0 / engine.getAspectRatio(scene.activeCamera);
// Render target
var renderTarget = new BABYLON.RenderTargetTexture(
"depth",
new BABYLON.Size()
{
width = 1024, height = 1024
},
scene);
renderTarget.renderList.Add(skybox);
scene.customRenderTargets.Add(renderTarget);
renderTarget.onBeforeRender = () =>
{
for (var index = 0; index < renderTarget.renderList.Length; index++)
{
renderTarget.renderList[index]._savedMaterial = renderTarget.renderList[index].material;
renderTarget.renderList[index].material = depthMaterial;
}
};
renderTarget.onAfterRender = () =>
{
// Restoring previoux material
for (var index = 0; index < renderTarget.renderList.Length; index++)
{
renderTarget.renderList[index].material = renderTarget.renderList[index]._savedMaterial;
}
};
// Spheres
var spheresCount = 20;
var alpha = 0.0;
for (var index = 0; index < spheresCount; index++)
{
var sphere = BABYLON.Mesh.CreateSphere("Sphere" + index, 32, 3, scene);
sphere.position.x = 10 * Math.Cos(alpha);
sphere.position.z = 10 * Math.Sin(alpha);
sphere.material = material;
alpha += (2 * Math.PI) / spheresCount;
renderTarget.renderList.Add(sphere);
}
// Plane material
var mat = new BABYLON.StandardMaterial("plan mat", scene);
mat.diffuseColor = BABYLON.Color3.Black();
mat.specularColor = BABYLON.Color3.Black();
mat.emissiveTexture = renderTarget;
plane.material = mat;
// Animations
var isReady = false;
scene.registerBeforeRender(() =>
{
camera.alpha += 0.01 * scene.getAnimationRatio();
if (!isReady && scene.isReady())
{
isReady = true;
}
});
this.scene.activeCamera.attachControl(this.canvas);
}