WebGL, Three.js and Babylon.js Three.js COLLADA loading

2017.07.03 20:37

졸리운_곰 조회 수:574

 

Three.js COLLADA loading

Open

A rendering of a COLLADA file in three.js (release 69 - r71 produces jagged edges in our attempts).

경축! 아무것도 안하여 에스천사게임즈가 새로운 모습으로 재오픈 하였습니다.
어린이용이며, 설치가 필요없는 브라우저 게임입니다.
https://s1004games.com

WebGL is used to actually render the scene. Attempting to use Canvas or SVG renderers results in an issue with Hidden Surface Detrermination, causing artifacts to be displayed above the elongated thin face of the colored object.

index.html#

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Three.js Collada loading </title>
<link type="text/css" href="index.css" rel="stylesheet"/>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/three.js/r69/three.min.js"></script>
    <script src="https://cdn.rawgit.com/mrdoob/three.js/r69/examples/js/loaders/ColladaLoader.js"></script>
  </head>
  <body>
    <script src="index.js"></script>
  </body>
</html>

index.coffee#

width = 960
height = 500
aspect = width/height
D = 8

scene = new THREE.Scene()
camera = new THREE.OrthographicCamera(-D*aspect, D*aspect, D, -D, 1, 1000)

renderer = new THREE.WebGLRenderer
  alpha: true

renderer.setSize(width, height)
document.body.appendChild(renderer.domElement)

# create two cubes
material = new THREE.MeshPhongMaterial
#   ambient: 0x555555
#   color: 0x555555
#   specular: 0xffffff
#   shininess: 50
#   shading: THREE.SmoothShading
#   side: THREE.DoubleSde
  wireframe: true

# geometry = new THREE.BoxGeometry(1,1,1)
# cube = new THREE.Mesh(geometry, material)
# scene.add(cube)

# lil_geometry = new THREE.BoxGeometry(0.2,0.2,0.2)
# lil_cube = new THREE.Mesh(lil_geometry, material)
# lil_cube.position.x = 1
# scene.add(lil_cube)

# create the light
light = new THREE.DirectionalLight(0xffffff, 1.1)
light.position.set(10, 20, 15)
scene.add(light)

# set the camera
camera.position.set(20, 20, 20)
camera.lookAt(new THREE.Vector3( 0, 0, 0 ))
camera.rotation.z = 5/6*Math.PI


# load DAE
loader = new THREE.ColladaLoader()
# loader.options.convertUpAxis = true
loader.load 'scene.dae', (collada) ->  
  collada.scene.scale.set(0.1,0.1,0.1)
  scene.add collada.scene
  renderer.render(scene, camera)

index.css#

html, body {
  margin: 0;
  padding: 0;
}

svg path {
  shape-rendering: crispEdges;
}

index.js#

// Generated by CoffeeScript 1.4.0
(function() {
  var D, aspect, camera, height, light, loader, material, renderer, scene, width;

  width = 960;

  height = 500;

  aspect = width / height;

  D = 8;

  scene = new THREE.Scene();

  camera = new THREE.OrthographicCamera(-D * aspect, D * aspect, D, -D, 1, 1000);

  renderer = new THREE.WebGLRenderer({
    alpha: true
  });

  renderer.setSize(width, height);

  document.body.appendChild(renderer.domElement);

  material = new THREE.MeshPhongMaterial({
    wireframe: true
  });

  light = new THREE.DirectionalLight(0xffffff, 1.1);

  light.position.set(10, 20, 15);

  scene.add(light);

  camera.position.set(20, 20, 20);

  camera.lookAt(new THREE.Vector3(0, 0, 0));

  camera.rotation.z = 5 / 6 * Math.PI;

  loader = new THREE.ColladaLoader();

  loader.load('scene.dae', function(collada) {
    collada.scene.scale.set(0.1, 0.1, 0.1);
    scene.add(collada.scene);
    return renderer.render(scene, camera);
  });

}).call(this);

scene.dae#

<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
    <asset>
        <contributor>
            <authoring_tool>SketchUp 15.3.331</authoring_tool>
        </contributor>
        <created>2015-07-21T18:28:51Z</created>
        <modified>2015-07-21T18:28:51Z</modified>
        <unit meter="0.0254" name="inch" />
        <up_axis>Z_UP</up_axis>
    </asset>
    <library_visual_scenes>
        <visual_scene id="ID1">
            <node name="SketchUp">
                <instance_geometry url="#ID2">
                    <bind_material>
                        <technique_common>
                            <instance_material symbol="Material2" target="#ID4">
                                <bind_vertex_input semantic="UVSET0" input_semantic="TEXCOORD" input_set="0" />
                            </instance_material>
                        </technique_common>
                    </bind_material>
                </instance_geometry>
                <instance_geometry url="#ID10">
                    <bind_material>
                        <technique_common>
                            <instance_material symbol="Material2" target="#ID4">
                                <bind_vertex_input semantic="UVSET0" input_semantic="TEXCOORD" input_set="0" />
                            </instance_material>
                            <instance_material symbol="Material3" target="#ID11">
                                <bind_vertex_input semantic="UVSET0" input_semantic="TEXCOORD" input_set="0" />
                            </instance_material>
                        </technique_common>
                    </bind_material>
                </instance_geometry>
                <instance_geometry url="#ID18">
                    <bind_material>
                        <technique_common>
                            <instance_material symbol="Material2" target="#ID4">
                                <bind_vertex_input semantic="UVSET0" input_semantic="TEXCOORD" input_set="0" />
                            </instance_material>
                        </technique_common>
                    </bind_material>
                </instance_geometry>
            </node>
        </visual_scene>
    </library_visual_scenes>
    <library_geometries>
        <geometry id="ID2">
            <mesh>
                <source id="ID5">
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        </geometry>
    </library_geometries>
    <library_materials>
        <material id="ID4" name="material">
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        </material>
        <material id="ID11" name="_0079_Teal">
            <instance_effect url="#ID12" />
        </material>
    </library_materials>
    <library_effects>
        <effect id="ID3">
            <profile_COMMON>
                <technique sid="COMMON">
                    <lambert>
                        <diffuse>
                            <color>1 1 1 1</color>
                        </diffuse>
                    </lambert>
                </technique>
            </profile_COMMON>
        </effect>
        <effect id="ID12">
            <profile_COMMON>
                <technique sid="COMMON">
                    <lambert>
                        <diffuse>
                            <color>0 0.5019608 0.5019608 1</color>
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                    </lambert>
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            </profile_COMMON>
        </effect>
    </library_effects>
    <scene>
        <instance_visual_scene url="#ID1" />
    </scene>
</COLLADA>

 

[출처] http://bl.ocks.org/nitaku/1d673374f890d833b421

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