Compare commits

..

No commits in common. "averager" and "master" have entirely different histories.

2 changed files with 109 additions and 181 deletions

View File

@ -19,137 +19,122 @@
</head> </head>
<body> <body>
<canvas></canvas> <canvas></canvas>
<script type="module"> <script type="module">
import { Scene, THREE } from './scene.js'; import * as T from 'http://esm.sh/three';
import { OrbitControls } from 'http://esm.sh/three/examples/jsm/controls/OrbitControls.js';
import { Region, Kernel } from "./region.js";
let average = (inArray, inPointInd, ...inOthersInd) => const renderer = new T.WebGLRenderer({canvas:document.querySelector("canvas")});
{ const scene = new T.Scene();
let sum = [0, 0, 0]; const camera = new T.PerspectiveCamera(80, 2, 0.1, 10);
for(let i=0; i<inOthersInd.length; i++) const light = new T.DirectionalLight(0xFFFFFF, 1);
{ const geometry = new T.BoxGeometry(0.8, 0.8, 0.8);
let otherInd = inOthersInd[i]*3; const shader = new T.MeshPhongMaterial({color:0xFFCC00});
sum[0] += inArray[otherInd+0]; const shaderBlue = new T.MeshPhongMaterial({color:0x0033FF});
sum[1] += inArray[otherInd+1]; const object = new T.Mesh(geometry, shader);
sum[2] += inArray[otherInd+2];
}
let pointX = inPointInd*3 + 0; const controls = new OrbitControls(camera, renderer.domElement);
let pointY = inPointInd*3 + 1; controls.update();
let pointZ = inPointInd*3 + 2;
let reducer = inOthersInd.length;
let limit = (inCenter, inPoint) =>
{
var limit;
limit = inCenter-0.49;
if(inPoint <= limit)
{
return limit;
}
limit = inCenter + 0.49;
if(inPoint >= limit)
{
return limit;
}
return inPoint; scene.add(light);
} scene.add(object);
inArray[pointX] = limit(Math.round(inArray[pointX]), sum[0]/reducer); scene.add(new T.GridHelper(10, 10));
inArray[pointY] = limit(Math.round(inArray[pointY]), sum[1]/reducer);
inArray[pointZ] = limit(Math.round(inArray[pointZ]), sum[2]/reducer);
};
let smooth = (inArray, inTimes) =>
{
let count = inArray.length/3;
for(let t=0; t<inTimes; t++)
{
for(let i=0; i<count; i++)
{
if(i==0)
{
average(inArray, i, count-1, i+1);
}
else
{
if(i==count-1)
{
average(inArray, i, i-1, 0);
}
else
{
average(inArray, i, i-1, i+1);
}
}
}
}
}
/*
let testPoints = const geoBuff = new T.BufferGeometry();
[ geoBuff.setAttribute("position", new T.BufferAttribute(new Float32Array(
[
0, 0, 0, 0, 0, 0,
0, 1, 0,
1, 1, 0
];
console.log(testPoints);
average(testPoints, 1, 0, 2);
console.log(testPoints);
*/
let path = (inPoints, inSmoothing, inColor) =>
{
let clone = [...inPoints];
smooth(clone, inSmoothing);
const geometry = new THREE.BufferGeometry();
geometry.setAttribute('position', new THREE.Float32BufferAttribute( clone, 3 ));
const materialLine = new THREE.LineBasicMaterial( { color: inColor, linewidth: 3 } );
const materialPoint = new THREE.PointsMaterial( { color:inColor, size: 0.05 } );
const output = new THREE.Group();
output.add( new THREE.Line( geometry, materialLine ) );
output.add( new THREE.Points( geometry, materialPoint ) );
return output;
}
const points =
[
4, 0, 0,
3, 0, 0,
2, 0, 0,
1, 0, 0, 1, 0, 0,
//
0, 0, 0,
0, 1, 0,
1, 1, 0, 1, 1, 0,
2, 1, 0, 0, 1, 0,
2, 2, 0, 2, 0, 1,
3, 2, 0, 2, 1, 1
4, 2, 0, ]
4, 3, 0, ), 3));
//
5, 3, 0,
5, 2, 0,
5, 1, 0,
5, 0, 0,
];
geoBuff.setIndex(
[
0, 1, 2,
2, 3, 0,
1, 4, 5,
5, 2, 1
]
);
geoBuff.computeVertexNormals();
const geoObj = new T.Mesh(geoBuff, shader);
shader.shading = T.FlatShading;
scene.add(geoObj);
/*
let r = Region.Create();
let filler = (x, y, z) =>
{
r.Voxels[Region.CoordsToIndex(x, y, z)] = true;
};
filler(1, 1, 1);
Kernel.Loop(Kernel.Corners, [1, 1, 1], filler);
Kernel.Loop(Kernel.Cardinal, [1, 1, 1], filler);
Region.Update(r);
Scene( r.Filled.forEach((inIndexMap) =>
{
let coords = Region.IndexToCoords(inIndexMap);
let cube = new T.Mesh(geometry, shader);
cube.position.set(...coords);
scene.add(cube);
});
r.Surface.forEach((inIndexMap) =>
{
let coords = Region.IndexToCoords(inIndexMap);
let cube = new T.Mesh(geometry, shaderBlue);
cube.position.set(...coords);
scene.add(cube);
});
*/
light.position.set(-1, 2, 4);
camera.position.set(0, 0, 2);
let dirty = false;
const update = inTime =>
{
let timeNew = new Date();
let timeDelta = timeNew - inTime;
let delta = timeDelta * 0.001;
object.rotation.x += delta;
controls.update();
dirty = true;
setTimeout(()=>update(timeNew), 100);
}
const render = inTime =>
{
if(dirty)
{ {
DOM:"canvas", renderer.render(scene, camera);
Init(inScene) dirty = false;
{
inScene.add(path(points, 0, 0xFF0000));
inScene.add(path(points, 10, 0x00ff00));
},
Update(scene, delta)
{
} }
} requestAnimationFrame(render);
); }
const resize = () =>
{
let canvas = renderer.domElement;
camera.aspect = canvas.clientWidth / canvas.clientHeight;
camera.updateProjectionMatrix();
renderer.setSize(canvas.clientWidth, canvas.clientHeight, false);
};
window.addEventListener("resize", resize);
resize();
render(0);
update(new Date());
</script> </script>
</body> </body>

View File

@ -1,57 +0,0 @@
import * as T from 'http://esm.sh/three';
import { OrbitControls } from 'http://esm.sh/three/examples/jsm/controls/OrbitControls.js';
export { T as THREE };
export function Scene(inSettings)
{
const renderer = new T.WebGLRenderer({canvas:document.querySelector(inSettings.DOM)});
const scene = new T.Scene();
const camera = new T.PerspectiveCamera(80, 2, 0.1, 10);
const light = new T.DirectionalLight(0xFFFFFF, 1);
const controls = new OrbitControls(camera, renderer.domElement);
let dirty = false;
const update = inTime =>
{
let timeNew = new Date();
let timeDelta = timeNew - inTime;
let delta = timeDelta * 0.001;
inSettings.Update(scene, delta);
controls.update();
dirty = true;
setTimeout(()=>update(timeNew), 50);
}
const render = inTime =>
{
if(dirty)
{
renderer.render(scene, camera);
dirty = false;
}
requestAnimationFrame(render);
}
const resize = () =>
{
let canvas = renderer.domElement;
camera.aspect = canvas.clientWidth / canvas.clientHeight;
camera.updateProjectionMatrix();
renderer.setSize(canvas.clientWidth, canvas.clientHeight, false);
};
scene.add(light);
//scene.add(new T.GridHelper(10, 10));
light.position.set(-1, 2, 4);
camera.position.set(0, 0, 2);
controls.update();
inSettings.Init(scene);
window.addEventListener("resize", resize);
resize();
render(0);
update(new Date());
};