362 lines
10 KiB
JavaScript
362 lines
10 KiB
JavaScript
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import framebuffer from '../framebuffer.js';
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import sampler2D from '../sampler2D.js';
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import {math, vector3, matrix4} from '../math.js';
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import samplerCube from '../samplerCube.js';
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import shader from '../shader.js';
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import material from '../material.js';
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import entity from '../entity.js';
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class depth {
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constructor( ) {
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this.lightPosition = [0, 4, 0.01];
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this.degrees = 130;
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}
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setViewport( viewport ){
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this.viewport = viewport;
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this.gl = viewport.gl;
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}
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prepare() {
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this.near = .635;
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this.far = 400;
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//
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this.width = this.viewport.width;
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this.height = this.viewport.height;
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this.targetSampler = new sampler2D();
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this.targetSampler.type = this.gl.FLOAT;
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this.targetSampler.internalFormat = gl.DEPTH_COMPONENT16;
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this.targetSampler.format = gl.DEPTH_COMPONENT;
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this.targetSampler.type = gl.UNSIGNED_SHORT;
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//this.targetSampler.internalFormat = this.gl.RGBA32F;
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this.framebuffer = new framebuffer();
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this.framebuffer.setViewport( this.viewport );
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this.framebuffer.attachment = gl.DEPTH_ATTACHMENT;
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this.framebuffer.width = this.width;
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this.framebuffer.height = this.height;
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this.framebuffer.addSampler( this.targetSampler );
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this.framebuffer.create();
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//depth shader
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this.depthShader = new shader();
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this.depthShader.definePragma("VARIANCE", (this.shadowType == "VARIANCE") ? 1 : 0 );
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this.depthShader.createFromFile("shaders/depth.shader");
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this.depthShader.setUniform("far", this.far );
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this.depthShader.setUniform("near", this.near );
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var shadowCamera = this.createShadowCam( this.lightPosition , [0, -1, 0], [0, 1, 0] );
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this.shadowCameras = [];
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this.shadowCameras.push( shadowCamera );
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// Material
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var groundMaterial = new material();
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// Properties
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groundMaterial.diffuseColor = [179/256,199/256,217/256];
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groundMaterial.alpha = 1;
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groundMaterial.reflection = 0.2;
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groundMaterial.roughness = 0.2;
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groundMaterial.metalic = 0.2;
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groundMaterial.uvMultiplier = 6;
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if(this.showFrustum) {
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// Cube mesh
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//var shadowCamera = this.viewport.system.createShadowCam( [0, 10, 1], [0, -1, 0], [0, 1, 0] )
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var frustumMesh = this.viewport.linePrimitives.drawFrustum( shadowCamera.projection, shadowCamera.view );
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frustumMesh.addMaterial(groundMaterial);
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// Cube Entity
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var cubeEntity = new entity( );
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cubeEntity.addMesh( frustumMesh );
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cubeEntity.name = "wireframe cube";
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cubeEntity.transform.position = [0, 0, 0];
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cubeEntity.transform.update();
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this.viewport.scene.addEntity( cubeEntity );
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}
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}
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createShadowCam( eye, target, up ) {
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var width = 2048;
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var height = 2048;
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var shadowCamera = {};
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shadowCamera.view = matrix4.lookAt( eye, target, up );
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//if(this.lightType == "skyLight")
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// shadowCamera.projection = matrix4.orthographic(-10, 10, -10, 10, this.near, this.far);
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//if(this.lightType == "pointLight")
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shadowCamera.projection = matrix4.perspective(math.degToRad(this.degrees), width / height, this.near, this.far);
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console.log(shadowCamera.projection);
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this.composition = matrix4.composition(shadowCamera.view, shadowCamera.projection);
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this.viewProjection = matrix4.mul(shadowCamera.view, shadowCamera.projection);
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shadowCamera.far = this.far;
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//if( face ) {
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// shadowCamera.framebuffer.target = this.gl.TEXTURE_CUBE_MAP;
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// shadowCamera.framebuffer.face = face;
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// shadowCamera.framebuffer.attachment = this.gl.DEPTH_ATTACHMENT;
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//} else {
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//shadowCamera.framebuffer.target = this.gl.TEXTURE_2D;
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/*
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this.targetSampler = new sampler2D();
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//this.targetSampler.type = this.gl.FLOAT;
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//this.targetSampler.filter = this.gl.LINEAR;
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//this.targetSampler.internalFormat = this.gl.RGBA32F;
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//this.targetSampler.internalformat = this.gl.RGB;
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//this.targetSampler.format = this.gl.RGB;
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this.targetSampler.type = this.gl.FLOAT;
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this.targetSampler.internalFormat = this.gl.RGBA32F;
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this.framebuffer = new framebuffer();
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this.framebuffer.setViewport( this.viewport );
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this.framebuffer.width = this.width;
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this.framebuffer.height = this.height;
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this.framebuffer.addSampler( this.targetSampler );
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this.framebuffer.create();
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/*
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this.ambientOcclusionFramebuffer = new framebuffer();
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this.ambientOcclusionFramebuffer.width = this.width;
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this.ambientOcclusionFramebuffer.height = this.height;
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var ambientOcclusionSampler = new sampler2D();
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ambientOcclusionSampler.type = this.gl.FLOAT;
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this.ambientOcclusionFramebuffer.addSampler( ambientOcclusionSampler );
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this.ambientOcclusionFramebuffer.create();
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*/
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//shadowCamera.filter = this.gl.LINEAR;
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return shadowCamera;
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}
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getCamera(){
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return this.shadowCameras[0];
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}
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render() {
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console.log("render depth");
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//this.gl.enableVertexAttribArray(0);
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this.gl.disableVertexAttribArray(1);
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this.gl.disableVertexAttribArray(2);
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this.gl.disableVertexAttribArray(3);
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this.gl.disableVertexAttribArray(4);
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this.gl.disableVertexAttribArray(5);
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//this.gl.disableVertexAttribArray(6);
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//this.gl.disableVertexAttribArray(7);
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var shader = this.depthShader;
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//var shadowCamera = this.shadowCameras[0];
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for(var c = 0; c<this.shadowCameras.length; c++) {
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var shadowCamera = this.shadowCameras[c];
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//var framebuffer = shadowCamera.framebuffer.glFramebuffer;
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//render shadow
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if(this.renderToViewport)
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this.gl.bindFramebuffer( this.gl.FRAMEBUFFER, null );
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else
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this.gl.bindFramebuffer( this.gl.FRAMEBUFFER, this.framebuffer.glFramebuffer );
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//this.gl.bindFramebuffer( this.gl.FRAMEBUFFER,null );
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this.gl.clearColor( 0, 0, 0, 1 );
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this.gl.clear(this.gl.COLOR_BUFFER_BIT | this.gl.DEPTH_BUFFER_BIT);
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this.gl.viewport(0, 0, this.width, this.height);
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this.gl.enable( this.gl.DEPTH_TEST );
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this.gl.disable(this.gl.CULL_FACE);
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this.gl.cullFace( this.gl.FRONT );
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var scene = this.viewport.scene;
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var entitys = scene.getEntitys();
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for(var e = 0;e<entitys.length;e++) {
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var entity = entitys[e];
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if(entity.type == "Actor") {
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var mesh = entity.mesh;
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var material = mesh.material;
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//if(material.alpha == 1.0) {
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var shader = this.depthShader;
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var world = entity.getUpdatedWorldMatrix();
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//var viewProjection = this.viewport.mainCamera.worldViewProjection;
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var viewProjection = this.viewProjection;
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//var camera = this.viewport.mainCamera;
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//var viewProjection = camera.worldViewProjection;
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shader.setUniform("viewProjection",viewProjection );
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shader.setUniform("worldViewProjection", matrix4.mul(world, viewProjection) );
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shader.setUniform("world", world );
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if(entity.instancing) {
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shader.setUniform("instancing", 1 );
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}
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//shader.setUniform("diffuseColor", material.diffuseColor);
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shader.setUniform("near", this.near);
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shader.setUniform("far", this.far);
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//if(material.displacementMaps.length > 0)
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// shader.setUniform("view", this.viewport.mainCamera.view );
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mesh.setViewport(this.viewport );
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mesh.createBuffers( );
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material.setViewport( this.viewport );
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material.updateShader( );
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shader.update( this.viewport );
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//shader.update();
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var attribute = shader.getAttributeByName('position');
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this.gl.bindBuffer(this.gl.ARRAY_BUFFER, mesh.vertexPositionBuffer);
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this.gl.vertexAttribPointer(attribute, 3, this.gl.FLOAT, false, 0, 0);
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this.gl.bindBuffer( this.gl.ELEMENT_ARRAY_BUFFER, mesh.vertexIndexBuffer);
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if(entity.instancing) {
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this.gl.drawElementsInstanced( mesh.draw_type, mesh.vertexIndexBuffer.numItems, this.gl.UNSIGNED_INT, 0, 30 );
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} else {
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this.gl.drawElements( mesh.draw_type, mesh.vertexIndexBuffer.numItems, this.gl.UNSIGNED_INT, 0 );
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}
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//}
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}
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}
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}
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//this.gl.disable(this.gl.CULL_FACE);
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this.gl.cullFace( this.gl.BACK );
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this.gl.enableVertexAttribArray(1);
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this.gl.enableVertexAttribArray(2);
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this.gl.enableVertexAttribArray(3);
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this.gl.enableVertexAttribArray(4);
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//this.gl.enableVertexAttribArray(5);
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}
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createShadows( ) {
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var lightPos = [0, 15, 0];
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var shadowSampler = new samplerCube(this);
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shadowSampler.internalformat = this.gl.RGB;
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shadowSampler.format = this.gl.RGB;
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shadowSampler.type = this.gl.FLOAT;
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shadowSampler.width = 1024;
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shadowSampler.height = 1024;
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/*
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var shadowCamera = this.createShadowCam(lightPos, kepler.vector3.add(lightPos, [1, 0, 0]), [0, -1, 0], this.gl.TEXTURE_CUBE_MAP_POSITIVE_X, shadowSampler);
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this.shadowCameras.push(shadowCamera);
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var shadowCamera = this.createShadowCam(lightPos, kepler.vector3.add(lightPos, [-1, 0, 0]), [0, -1, 0], this.gl.TEXTURE_CUBE_MAP_NEGATIVE_X, shadowSampler);
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this.shadowCameras.push(shadowCamera);
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var shadowCamera = this.createShadowCam(lightPos, kepler.vector3.add(lightPos, [0, 1, 0]), [0, 0, 1], this.gl.TEXTURE_CUBE_MAP_POSITIVE_Y, shadowSampler);
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this.shadowCameras.push(shadowCamera);
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var shadowCamera = this.createShadowCam(lightPos, kepler.vector3.add(lightPos, [0, -1, 0]), [0, 0, -1], this.gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, shadowSampler);
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this.shadowCameras.push(shadowCamera);
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var shadowCamera = this.createShadowCam(lightPos, kepler.vector3.add(lightPos, [0, 0, 1]), [0, -1, 0], this.gl.TEXTURE_CUBE_MAP_POSITIVE_Z, shadowSampler);
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this.shadowCameras.push(shadowCamera);
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var shadowCamera = this.createShadowCam(lightPos, kepler.vector3.add(lightPos, [0, 0, -1]), [0, -1, 0], this.gl.TEXTURE_CUBE_MAP_NEGATIVE_Z, shadowSampler);
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this.shadowCameras.push(shadowCamera);
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*/
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//this.depthShader.update();
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var shadowSampler = new sampler2D();
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shadowSampler.internalformat = this.gl.RGB;
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shadowSampler.format = this.gl.RGB;
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shadowSampler.type = this.gl.FLOAT;
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shadowSampler.width = 1024;
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shadowSampler.height = 1024;
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//shadowSampler.bind(this.depthShader);
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//this.depthShader.setUniform("far", shadowCamera.far );
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/*
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this.shadowShader = new shader();
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this.shadowShader.createFromFile("https://community.tensorui.com/assets/shaders/shadow.shader");
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this.shadowShader.setUniform("viewProjection", this.quadViewProjection );
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this.shadowShader.setUniform("shadowSampler", shadowSampler );
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this.shadowShader.setUniform("far", shadowCamera.far );
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this.shadowShader.setUniform("lightViewProjection", shadowCamera.viewProjection );
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this.shadowShader.setUniform("lightPosition", lightPos );
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*/
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}
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}
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export {depth as default};
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