Computer Graphics & Visualization @ufrj.br
Canvas primerCanvas primer IISVG IntroMinimal WebGL ProgramWebGL primer with reglShadertoy style drawingTransformation demoModelview DemoModel, View and Projection DemoWebGL CubeCatmull Clark SubdivisionThree.js basicsPhong Illumination modelHalf-edge data structureIterated Function SystemsRaytracingTextured sphereEnvironment mappingPhysical animation with shape matchingShape matching2D GJK and EPA algorithmsOmohundro balltree construction algorithmsPlatonic Solids PlaygroundElliptic billiards 3-periodics in space-time3D LabyrinthBrush drawingBump mappingModel viewerKeyframe animationTextured planeSimple Adaptive Mosaic EffectsWallpaper GroupsRay marchingVolume rendering with slice compositingDisplaying 3D RBFs with ray marchingFunções 2D úteisRandom space-filling curvesGPU-IO3D Apollonian Sphere PackingsCircle inversion fractalsApollonian gasket construction by inversionSmooth PolygonDocument image segmentationB-SplinesStencil bufferNoise LoopsSimplex noise exerciserDeformation with RBFsRandom shapes in a gridHobby curvesLane-Riesenfeld subdivision
Fractal Terrain
terrain = {
let geometry = terrainGeometry(field,1,1,1);
let material = new THREE.MeshPhongMaterial({color:0xffffff, side:THREE.DoubleSide, /*flatShading:true*/});
return new THREE.Mesh(geometry, material);
}
field = fractalField(detail,coarseness)
scene = {
const scene = new THREE.Scene();
scene.background = new THREE.Color(0xccccff);
scene.add(lights);
scene.add(terrain);
return scene;
}
height = width*9/16
camera = {
const fov = 30;
const aspect = width / height;
const near = 1;
const far = 1000;
const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
camera.position.set(0, 0, -2)
camera.lookAt(new THREE.Vector3(0, 0, 0));
return camera;
}
lights = {
var group = new THREE.Group();
var spotLight = new THREE.SpotLight( 0xffffff );
spotLight.position.set( 0, 200, 100 );
group.add(spotLight)
return group
}
import { slider } from '@jashkenas/inputs'
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