|
@@ -0,0 +1,200 @@
|
|
|
+/**
|
|
|
+ * @author mrdoob / http://mrdoob.com
|
|
|
+ */
|
|
|
+
|
|
|
+import {
|
|
|
+ CanvasTexture,
|
|
|
+ CircleBufferGeometry,
|
|
|
+ Color,
|
|
|
+ DoubleSide,
|
|
|
+ Group,
|
|
|
+ IcosahedronBufferGeometry,
|
|
|
+ Mesh,
|
|
|
+ MeshBasicMaterial,
|
|
|
+ Shape,
|
|
|
+ ShapeBufferGeometry
|
|
|
+} from "../../../build/three.module.js";
|
|
|
+import { ViveController } from "../vr/ViveController.js";
|
|
|
+
|
|
|
+var PaintViveController = function ( id ) {
|
|
|
+
|
|
|
+ ViveController.call( this, id );
|
|
|
+
|
|
|
+ var PI2 = Math.PI * 2;
|
|
|
+
|
|
|
+ var MODES = { COLOR: 0, SIZE: 1 };
|
|
|
+ var mode = MODES.COLOR;
|
|
|
+
|
|
|
+ var color = new Color( 1, 1, 1 );
|
|
|
+ var size = 1.0;
|
|
|
+
|
|
|
+ //
|
|
|
+
|
|
|
+ function generateHueTexture() {
|
|
|
+
|
|
|
+ var canvas = document.createElement( 'canvas' );
|
|
|
+ canvas.width = 256;
|
|
|
+ canvas.height = 256;
|
|
|
+
|
|
|
+ var context = canvas.getContext( '2d' );
|
|
|
+ var imageData = context.getImageData( 0, 0, 256, 256 );
|
|
|
+ var data = imageData.data;
|
|
|
+ var swatchColor = new Color();
|
|
|
+
|
|
|
+ for ( var i = 0, j = 0; i < data.length; i += 4, j ++ ) {
|
|
|
+
|
|
|
+ var x = ( ( j % 256 ) / 256 ) - 0.5;
|
|
|
+ var y = ( Math.floor( j / 256 ) / 256 ) - 0.5;
|
|
|
+
|
|
|
+ swatchColor.setHSL( Math.atan2( y, x ) / PI2, 1, ( 0.5 - Math.sqrt( x * x + y * y ) ) * 2.0 );
|
|
|
+
|
|
|
+ data[ i + 0 ] = swatchColor.r * 256;
|
|
|
+ data[ i + 1 ] = swatchColor.g * 256;
|
|
|
+ data[ i + 2 ] = swatchColor.b * 256;
|
|
|
+ data[ i + 3 ] = 256;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ context.putImageData( imageData, 0, 0 );
|
|
|
+
|
|
|
+ return new CanvasTexture( canvas );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // COLOR UI
|
|
|
+
|
|
|
+ var geometry = new CircleBufferGeometry( 1, 32 );
|
|
|
+ var material = new MeshBasicMaterial( { map: generateHueTexture() } );
|
|
|
+ var colorUI = new Mesh( geometry, material );
|
|
|
+ colorUI.position.set( 0, 0.005, 0.0495 );
|
|
|
+ colorUI.rotation.x = - 1.45;
|
|
|
+ colorUI.scale.setScalar( 0.02 );
|
|
|
+ this.add( colorUI );
|
|
|
+
|
|
|
+ var geometry = new IcosahedronBufferGeometry( 0.1, 2 );
|
|
|
+ var material = new MeshBasicMaterial();
|
|
|
+ material.color = color;
|
|
|
+ var ball = new Mesh( geometry, material );
|
|
|
+ colorUI.add( ball );
|
|
|
+
|
|
|
+
|
|
|
+ // SIZE UI
|
|
|
+ var sizeUI = new Group();
|
|
|
+ sizeUI.position.set( 0, 0.005, 0.0495 );
|
|
|
+ sizeUI.rotation.x = - 1.45;
|
|
|
+ sizeUI.scale.setScalar( 0.02 );
|
|
|
+ this.add( sizeUI );
|
|
|
+
|
|
|
+ var triangleShape = new Shape();
|
|
|
+ triangleShape.moveTo( 0, - 1 );
|
|
|
+ triangleShape.lineTo( 1, 1 );
|
|
|
+ triangleShape.lineTo( - 1, 1 );
|
|
|
+
|
|
|
+ var geometry = new ShapeBufferGeometry( triangleShape );
|
|
|
+ var material = new MeshBasicMaterial( { color: 0x222222, wireframe: true } );
|
|
|
+ var sizeUIOutline = new Mesh( geometry, material );
|
|
|
+ sizeUIOutline.position.z = 0.001;
|
|
|
+ resizeTriangleGeometry( sizeUIOutline.geometry, 1.0 );
|
|
|
+ sizeUI.add( sizeUIOutline );
|
|
|
+
|
|
|
+ var geometry = new ShapeBufferGeometry( triangleShape );
|
|
|
+ var material = new MeshBasicMaterial( { side: DoubleSide } );
|
|
|
+ material.color = color;
|
|
|
+ var sizeUIFill = new Mesh( geometry, material );
|
|
|
+ sizeUIFill.position.z = 0.0011;
|
|
|
+ resizeTriangleGeometry( sizeUIFill.geometry, 0.5 );
|
|
|
+ sizeUI.add( sizeUIFill );
|
|
|
+
|
|
|
+ sizeUI.visible = false;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ function onAxisChanged( event ) {
|
|
|
+
|
|
|
+ if ( this.getButtonState( 'thumbpad' ) === false ) return;
|
|
|
+
|
|
|
+ var x = event.axes[ 0 ] / 2.0;
|
|
|
+ var y = - event.axes[ 1 ] / 2.0;
|
|
|
+
|
|
|
+ if ( mode === MODES.COLOR ) {
|
|
|
+
|
|
|
+ color.setHSL( Math.atan2( y, x ) / PI2, 1, ( 0.5 - Math.sqrt( x * x + y * y ) ) * 2.0 );
|
|
|
+
|
|
|
+ ball.position.set( event.axes[ 0 ], event.axes[ 1 ], 0 );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( mode === MODES.SIZE ) {
|
|
|
+
|
|
|
+ var ratio = 0.5 - y;
|
|
|
+ size = ratio * 2;
|
|
|
+
|
|
|
+ resizeTriangleGeometry( sizeUIFill.geometry, ratio );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function resizeTriangleGeometry( geometry, ratio ) {
|
|
|
+
|
|
|
+ var x = 0, y = 0;
|
|
|
+ var fullWidth = 0.75, fullHeight = 1.5;
|
|
|
+ var angle = Math.atan( ( fullWidth / 2 ) / fullHeight );
|
|
|
+
|
|
|
+ var bottomY = y - fullHeight / 2;
|
|
|
+ var height = fullHeight * ratio;
|
|
|
+ var width = ( Math.tan( angle ) * height ) * 2;
|
|
|
+
|
|
|
+ var position = geometry.attributes.position;
|
|
|
+
|
|
|
+ position.setXYZ( 0, x, bottomY, 0 );
|
|
|
+ position.setXYZ( 1, x + width / 2, bottomY + height, 0 );
|
|
|
+ position.setXYZ( 2, x - width / 2, bottomY + height, 0 );
|
|
|
+
|
|
|
+ position.needsUpdate = true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function onGripsDown() {
|
|
|
+
|
|
|
+ if ( mode === MODES.COLOR ) {
|
|
|
+
|
|
|
+ mode = MODES.SIZE;
|
|
|
+ colorUI.visible = false;
|
|
|
+ sizeUI.visible = true;
|
|
|
+ return;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( mode === MODES.SIZE ) {
|
|
|
+
|
|
|
+ mode = MODES.COLOR;
|
|
|
+ colorUI.visible = true;
|
|
|
+ sizeUI.visible = false;
|
|
|
+ return;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.getColor = function () {
|
|
|
+
|
|
|
+ return color;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ this.getSize = function () {
|
|
|
+
|
|
|
+ return size;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ this.addEventListener( 'axischanged', onAxisChanged );
|
|
|
+ this.addEventListener( 'gripsdown', onGripsDown );
|
|
|
+
|
|
|
+};
|
|
|
+
|
|
|
+PaintViveController.prototype = Object.create( ViveController.prototype );
|
|
|
+PaintViveController.prototype.constructor = PaintViveController;
|
|
|
+
|
|
|
+export { PaintViveController };
|