Dies ist das Repository meines kleinen Portfolios.
Im Hintergrund läuft eine Planetensimulation, geschrieben in JavaScript und Three.js.
Die zu sehenden Texturen stammen von:
https://www.solarsystemscope.com/textures/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.4 KiB
53 lines
1.4 KiB
( function () { |
|
|
|
const _start = new THREE.Vector3(); |
|
|
|
const _end = new THREE.Vector3(); |
|
|
|
class Wireframe extends THREE.Mesh { |
|
|
|
constructor( geometry = new THREE.LineSegmentsGeometry(), material = new THREE.LineMaterial( { |
|
color: Math.random() * 0xffffff |
|
} ) ) { |
|
|
|
super( geometry, material ); |
|
this.type = 'Wireframe'; |
|
|
|
} // for backwards-compatability, but could be a method of THREE.LineSegmentsGeometry... |
|
|
|
|
|
computeLineDistances() { |
|
|
|
const geometry = this.geometry; |
|
const instanceStart = geometry.attributes.instanceStart; |
|
const instanceEnd = geometry.attributes.instanceEnd; |
|
const lineDistances = new Float32Array( 2 * instanceStart.count ); |
|
|
|
for ( let i = 0, j = 0, l = instanceStart.count; i < l; i ++, j += 2 ) { |
|
|
|
_start.fromBufferAttribute( instanceStart, i ); |
|
|
|
_end.fromBufferAttribute( instanceEnd, i ); |
|
|
|
lineDistances[ j ] = j === 0 ? 0 : lineDistances[ j - 1 ]; |
|
lineDistances[ j + 1 ] = lineDistances[ j ] + _start.distanceTo( _end ); |
|
|
|
} |
|
|
|
const instanceDistanceBuffer = new THREE.InstancedInterleavedBuffer( lineDistances, 2, 1 ); // d0, d1 |
|
|
|
geometry.setAttribute( 'instanceDistanceStart', new THREE.InterleavedBufferAttribute( instanceDistanceBuffer, 1, 0 ) ); // d0 |
|
|
|
geometry.setAttribute( 'instanceDistanceEnd', new THREE.InterleavedBufferAttribute( instanceDistanceBuffer, 1, 1 ) ); // d1 |
|
|
|
return this; |
|
|
|
} |
|
|
|
} |
|
|
|
Wireframe.prototype.isWireframe = true; |
|
|
|
THREE.Wireframe = Wireframe; |
|
|
|
} )();
|
|
|