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Jul 25, 2018
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Examples: more Geometry -> BufferGeometry #14537

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027443e
Geometry -> BufferGeometry
WestLangley Jul 24, 2018
7469b94
Clean up
WestLangley Jul 24, 2018
e19e474
Different vertex colors
WestLangley Jul 25, 2018
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62 changes: 28 additions & 34 deletions examples/webgl_geometry_colors.html
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Original file line number Diff line number Diff line change
Expand Up @@ -108,54 +108,48 @@
shadowMesh.rotation.x = - Math.PI / 2;
scene.add( shadowMesh );

var faceIndices = [ 'a', 'b', 'c' ];
var radius = 200;

var color, f, f2, f3, p, vertexIndex,
var geometry1 = new THREE.IcosahedronBufferGeometry( radius, 1 );

radius = 200,
var count = geometry1.attributes.position.count;
geometry1.addAttribute( 'color', new THREE.BufferAttribute( new Float32Array( count * 3 ), 3 ) );

geometry = new THREE.IcosahedronGeometry( radius, 1 ),
geometry2 = new THREE.IcosahedronGeometry( radius, 1 ),
geometry3 = new THREE.IcosahedronGeometry( radius, 1 );
geometry2 = geometry1.clone();
geometry3 = geometry1.clone();

for ( var i = 0; i < geometry.faces.length; i ++ ) {
var color = new THREE.Color();
var positions1 = geometry1.attributes.position;
var positions2 = geometry2.attributes.position;
var positions3 = geometry3.attributes.position;
var colors1 = geometry1.attributes.color;
var colors2 = geometry2.attributes.color;
var colors3 = geometry3.attributes.color;

f = geometry.faces[ i ];
f2 = geometry2.faces[ i ];
f3 = geometry3.faces[ i ];
for ( var i = 0; i < count; i ++ ) {

for ( var j = 0; j < 3; j ++ ) {
color.setHSL( ( positions1.getY( i ) / radius + 1 ) / 2, 1.0, 0.5 );
colors1.setXYZ( i, color.r, color.g, color.b );

vertexIndex = f[ faceIndices[ j ] ];
color.setHSL( 0, ( positions2.getY( i ) / radius + 1 ) / 2, 0.5 );
colors2.setXYZ( i, color.r, color.g, color.b );

p = geometry.vertices[ vertexIndex ];

color = new THREE.Color( 0xffffff );
color.setHSL( ( p.y / radius + 1 ) / 2, 1.0, 0.5 );

f.vertexColors[ j ] = color;

color = new THREE.Color( 0xffffff );
color.setHSL( 0.0, ( p.y / radius + 1 ) / 2, 0.5 );

f2.vertexColors[ j ] = color;

color = new THREE.Color( 0xffffff );
color.setHSL( 0.125 * vertexIndex / geometry.vertices.length, 1.0, 0.5 );

f3.vertexColors[ j ] = color;

}
color.setRGB( 1, 1, ( positions3.getY( i ) / radius + 1 ) / 2 );
colors3.setXYZ( i, color.r, color.g, color.b );

}

var mesh, wireframe;
var material = new THREE.MeshPhongMaterial( {
color: 0xffffff,
flatShading: true,
vertexColors: THREE.VertexColors,
shininess: 0
} );

var material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true, vertexColors: THREE.VertexColors, shininess: 0 } );
var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, transparent: true } );

mesh = new THREE.Mesh( geometry, material );
wireframe = new THREE.Mesh( geometry, wireframeMaterial );
mesh = new THREE.Mesh( geometry1, material );
wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
mesh.add( wireframe );
mesh.position.x = - 400;
mesh.rotation.x = - 1.87;
Expand Down
47 changes: 22 additions & 25 deletions examples/webgl_multiple_canvases_circle.html
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Original file line number Diff line number Diff line change
Expand Up @@ -209,8 +209,8 @@
var fudge = 0.45; // I don't know why this is needed :-(
var rot = 30 * THREE.Math.DEG2RAD;

views.push( new View( canvas1, rot * -2 * fudge ) );
views.push( new View( canvas2, rot * -1 * fudge ) );
views.push( new View( canvas1, rot * - 2 * fudge ) );
views.push( new View( canvas2, rot * - 1 * fudge ) );
views.push( new View( canvas3, rot * 0 * fudge ) );
views.push( new View( canvas4, rot * 1 * fudge ) );
views.push( new View( canvas5, rot * 2 * fudge ) );
Expand Down Expand Up @@ -248,42 +248,39 @@
for ( var i = 0; i < noof_balls; i ++ ) { // create shadows

var shadowMesh = new THREE.Mesh( shadowGeo, shadowMaterial );
shadowMesh.position.x = - ( noof_balls - 1 ) / 2 *400 + i * 400;
shadowMesh.position.x = - ( noof_balls - 1 ) / 2 * 400 + i * 400;
shadowMesh.position.y = - 250;
shadowMesh.rotation.x = - Math.PI / 2;
scene.add( shadowMesh );

}

var faceIndices = [ 'a', 'b', 'c' ];
var radius = 200;

var radius = 200,
var geometry1 = new THREE.IcosahedronBufferGeometry( radius, 1 );

geometry1 = new THREE.IcosahedronGeometry( radius, 1 );
var count = geometry1.attributes.position.count;
geometry1.addAttribute( 'color', new THREE.BufferAttribute( new Float32Array( count * 3 ), 3 ) );

for ( var i = 0; i < geometry1.faces.length; i ++ ) {
var color = new THREE.Color();
var positions = geometry1.attributes.position;
var colors = geometry1.attributes.color;

var f1 = geometry1.faces[ i ];
for ( var i = 0; i < count; i ++ ) {

for( var j = 0; j < 3; j ++ ) {
color.setHSL( ( positions.getY( i ) / radius + 1 ) / 2, 1.0, 0.5 );

var vertexIndex = f1[ faceIndices[ j ] ];

var p = geometry1.vertices[ vertexIndex ];

var color = new THREE.Color( 0xffffff );
color.setHSL( ( p.y / radius + 1 ) / 2, 1.0, 0.5 );

f1.vertexColors[ j ] = color;

var color = new THREE.Color( 0xffffff );
color.setHSL( 0.0, ( p.y / radius + 1 ) / 2, 0.5 );

}
colors.setXYZ( i, color.r, color.g, color.b );

}

var material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true, vertexColors: THREE.VertexColors, shininess: 0 } );
var material = new THREE.MeshPhongMaterial( {
color: 0xffffff,
flatShading: true,
vertexColors: THREE.VertexColors,
shininess: 0
} );

var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, transparent: true } );

for ( var i = 0; i < noof_balls; i ++ ) { // create balls
Expand All @@ -292,7 +289,7 @@
var wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
mesh.add( wireframe );

mesh.position.x = - ( noof_balls - 1 ) / 2 *400 + i *400;
mesh.position.x = - ( noof_balls - 1 ) / 2 * 400 + i * 400;
mesh.rotation.x = i * 0.5;
scene.add( mesh );

Expand All @@ -306,7 +303,7 @@

}

function onDocumentMouseMove ( event ) {
function onDocumentMouseMove( event ) {

mouseX = event.clientX - windowHalfX;
mouseY = event.clientY - windowHalfY;
Expand Down
58 changes: 28 additions & 30 deletions examples/webgl_multiple_canvases_complex.html
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Original file line number Diff line number Diff line change
Expand Up @@ -170,50 +170,48 @@
shadowMesh.rotation.x = - Math.PI / 2;
scene.add( shadowMesh );

var faceIndices = [ 'a', 'b', 'c' ];
var radius = 200;

var radius = 200,
var geometry1 = new THREE.IcosahedronBufferGeometry( radius, 1 );

geometry1 = new THREE.IcosahedronGeometry( radius, 1 ),
geometry2 = new THREE.IcosahedronGeometry( radius, 1 ),
geometry3 = new THREE.IcosahedronGeometry( radius, 1 );
var count = geometry1.attributes.position.count;
geometry1.addAttribute( 'color', new THREE.BufferAttribute( new Float32Array( count * 3 ), 3 ) );

for ( var i = 0; i < geometry1.faces.length; i ++ ) {
geometry2 = geometry1.clone();
geometry3 = geometry1.clone();

var f1 = geometry1.faces[ i ];
var f2 = geometry2.faces[ i ];
var f3 = geometry3.faces[ i ];
var color = new THREE.Color();
var positions1 = geometry1.attributes.position;
var positions2 = geometry2.attributes.position;
var positions3 = geometry3.attributes.position;
var colors1 = geometry1.attributes.color;
var colors2 = geometry2.attributes.color;
var colors3 = geometry3.attributes.color;

for ( var j = 0; j < 3; j ++ ) {
for ( var i = 0; i < count; i ++ ) {

var vertexIndex = f1[ faceIndices[ j ] ];
color.setHSL( ( positions1.getY( i ) / radius + 1 ) / 2, 1.0, 0.5 );
colors1.setXYZ( i, color.r, color.g, color.b );

var p = geometry1.vertices[ vertexIndex ];
color.setHSL( 0, ( positions2.getY( i ) / radius + 1 ) / 2, 0.5 );
colors2.setXYZ( i, color.r, color.g, color.b );

var color = new THREE.Color( 0xffffff );
color.setHSL( ( p.y / radius + 1 ) / 2, 1.0, 0.5 );

f1.vertexColors[ j ] = color;

var color = new THREE.Color( 0xffffff );
color.setHSL( 0.0, ( p.y / radius + 1 ) / 2, 0.5 );

f2.vertexColors[ j ] = color;

var color = new THREE.Color( 0xffffff );
color.setHSL( 0.125 * vertexIndex / geometry1.vertices.length, 1.0, 0.5 );

f3.vertexColors[ j ] = color;

}
color.setRGB( 1, 1, ( positions3.getY( i ) / radius + 1 ) / 2 );
colors3.setXYZ( i, color.r, color.g, color.b );

}

var mesh, wireframe;
var material = new THREE.MeshPhongMaterial( {
color: 0xffffff,
flatShading: true,
vertexColors: THREE.VertexColors,
shininess: 0
} );

var material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true, vertexColors: THREE.VertexColors, shininess: 0 } );
var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, transparent: true } );

var mesh, wireframe;

mesh = new THREE.Mesh( geometry1, material );
wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
mesh.add( wireframe );
Expand Down
56 changes: 26 additions & 30 deletions examples/webgl_multiple_canvases_grid.html
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Original file line number Diff line number Diff line change
Expand Up @@ -188,48 +188,44 @@
shadowMesh.rotation.x = - Math.PI / 2;
scene.add( shadowMesh );

var faceIndices = [ 'a', 'b', 'c' ];
var radius = 200;

var radius = 200,
var geometry1 = new THREE.IcosahedronBufferGeometry( radius, 1 );

geometry1 = new THREE.IcosahedronGeometry( radius, 1 ),
geometry2 = new THREE.IcosahedronGeometry( radius, 1 ),
geometry3 = new THREE.IcosahedronGeometry( radius, 1 );
var count = geometry1.attributes.position.count;
geometry1.addAttribute( 'color', new THREE.BufferAttribute( new Float32Array( count * 3 ), 3 ) );

for ( var i = 0; i < geometry1.faces.length; i ++ ) {
geometry2 = geometry1.clone();
geometry3 = geometry1.clone();

var f1 = geometry1.faces[ i ];
var f2 = geometry2.faces[ i ];
var f3 = geometry3.faces[ i ];
var color = new THREE.Color();
var positions1 = geometry1.attributes.position;
var positions2 = geometry2.attributes.position;
var positions3 = geometry3.attributes.position;
var colors1 = geometry1.attributes.color;
var colors2 = geometry2.attributes.color;
var colors3 = geometry3.attributes.color;

for ( var j = 0; j < 3; j ++ ) {
for ( var i = 0; i < count; i ++ ) {

var vertexIndex = f1[ faceIndices[ j ] ];
color.setHSL( ( positions1.getY( i ) / radius + 1 ) / 2, 1.0, 0.5 );
colors1.setXYZ( i, color.r, color.g, color.b );

var p = geometry1.vertices[ vertexIndex ];
color.setHSL( 0, ( positions2.getY( i ) / radius + 1 ) / 2, 0.5 );
colors2.setXYZ( i, color.r, color.g, color.b );

var color = new THREE.Color( 0xffffff );
color.setHSL( ( p.y / radius + 1 ) / 2, 1.0, 0.5 );

f1.vertexColors[ j ] = color;

var color = new THREE.Color( 0xffffff );
color.setHSL( 0.0, ( p.y / radius + 1 ) / 2, 0.5 );

f2.vertexColors[ j ] = color;

var color = new THREE.Color( 0xffffff );
color.setHSL( 0.125 * vertexIndex / geometry1.vertices.length, 1.0, 0.5 );

f3.vertexColors[ j ] = color;

}
color.setRGB( 1, 1, ( positions3.getY( i ) / radius + 1 ) / 2 );
colors3.setXYZ( i, color.r, color.g, color.b );

}

var mesh, wireframe;
var material = new THREE.MeshPhongMaterial( {
color: 0xffffff,
flatShading: true,
vertexColors: THREE.VertexColors,
shininess: 0
} );

var material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true, vertexColors: THREE.VertexColors, shininess: 0 } );
var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, transparent: true } );

mesh = new THREE.Mesh( geometry1, material );
Expand Down
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