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added paint scripts for polylines
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ericrius1
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2 changed files with 481 additions and 0 deletions
233
examples/hydraPolyLinePaint.js
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233
examples/hydraPolyLinePaint.js
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//
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// hydraPaint.js
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// examples
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//
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// Created by Eric Levin on 5/14/15.
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// Copyright 2014 High Fidelity, Inc.
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//
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// This script allows you to paint with the hydra!
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//
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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var LEFT = 0;
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var RIGHT = 1;
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var LASER_WIDTH = 3;
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var LASER_COLOR = {
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red: 50,
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green: 150,
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blue: 200
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};
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var TRIGGER_THRESHOLD = .02;
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var MAX_POINTS_PER_LINE = 50;
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var LIFETIME = 6000;
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var DRAWING_DEPTH = 2;
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var LINE_DIMENSIONS = 100;
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var DISTANCE_FROM_HAND = 5;
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var MIN_POINT_DISTANCE = 0.01;
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var MIN_BRUSH_RADIUS = 0.04;
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var MAX_BRUSH_RADIUS = 0.08;
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var RIGHT_BUTTON_1 = 7
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var RIGHT_BUTTON_2 = 8
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var RIGHT_BUTTON_3 = 9;
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var RIGHT_BUTTON_4 = 10
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var LEFT_BUTTON_1 = 1;
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var LEFT_BUTTON_2 = 2;
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var LEFT_BUTTON_3 = 3;
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var LEFT_BUTTON_4 = 4;
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var colorPalette = [{
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red: 10,
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green: 208,
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blue: 60
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}, {
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red: 214,
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green: 91,
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blue: 67
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}, {
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red: 192,
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green: 41,
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blue: 66
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}, {
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red: 84,
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green: 36,
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blue: 55
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}, {
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red: 83,
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green: 119,
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blue: 122
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}];
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var MIN_STROKE_WIDTH = 0.002;
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var MAX_STROKE_WIDTH = 0.05;
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function controller(side, cycleColorButton) {
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this.triggerHeld = false;
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this.triggerThreshold = 0.9;
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this.side = side;
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this.palm = 2 * side;
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this.tip = 2 * side + 1;
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this.trigger = side;
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this.cycleColorButton = cycleColorButton;
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this.points = [];
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this.normals = [];
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this.strokeWidths = [];
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this.currentColorIndex = 0;
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this.currentColor = colorPalette[this.currentColorIndex];
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this.brush = Entities.addEntity({
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type: 'Sphere',
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position: {
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x: 0,
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y: 0,
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z: 0
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},
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color: this.currentColor,
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dimensions: {
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x: MIN_BRUSH_RADIUS,
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y: MIN_BRUSH_RADIUS,
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z: MIN_BRUSH_RADIUS
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}
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});
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this.cycleColor = function() {
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this.currentColor = colorPalette[++this.currentColorIndex];
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if (this.currentColorIndex === colorPalette.length - 1) {
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this.currentColorIndex = -1;
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}
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}
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this.newLine = function(position) {
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print("NEW LINE")
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this.linePosition = position;
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this.line = Entities.addEntity({
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position: position,
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type: "PolyLine",
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color: this.currentColor,
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dimensions: {
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x: LINE_DIMENSIONS,
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y: LINE_DIMENSIONS,
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z: LINE_DIMENSIONS
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},
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lineWidth: 0.1,
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lifetime: LIFETIME
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});
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this.points = [];
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this.normals = []
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this.strokeWidths = [];
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}
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this.update = function(deltaTime) {
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this.updateControllerState();
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var newBrushPosOffset = Vec3.multiply(Vec3.normalize(Vec3.subtract(this.tipPosition, this.palmPosition)), DRAWING_DEPTH);
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var newBrushPos = Vec3.sum(this.palmPosition, newBrushPosOffset);
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var brushRadius = map(this.triggerValue, TRIGGER_THRESHOLD, 1, MIN_BRUSH_RADIUS, MAX_BRUSH_RADIUS)
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Entities.editEntity(this.brush, {
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position: newBrushPos,
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color: this.currentColor,
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dimensions: {
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x: brushRadius,
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y: brushRadius,
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z: brushRadius
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}
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});
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if (this.triggerValue > TRIGGER_THRESHOLD && !this.drawing) {
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this.newLine(this.palmPosition);
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this.drawing = true;
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} else if (this.drawing && this.triggerValue < TRIGGER_THRESHOLD) {
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this.drawing = false;
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}
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if (this.drawing) {
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var localPoint = Vec3.subtract(newBrushPos, this.linePosition);
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if (Vec3.distance(localPoint, this.points[this.points.length - 1]) < MIN_POINT_DISTANCE) {
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// print("NOT ENOUGH DISTANCE BETWEEN POINTS!!");
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return;
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}
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this.points.push(localPoint);
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var normal = computeNormal(newBrushPos, Camera.getPosition());
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this.normals.push(normal);
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var strokeWidth = map(this.triggerValue, TRIGGER_THRESHOLD, 1, MIN_STROKE_WIDTH, MAX_STROKE_WIDTH);
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this.strokeWidths.push(strokeWidth);
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Entities.editEntity(this.line, {
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linePoints: this.points,
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normals: this.normals,
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strokeWidths: this.strokeWidths,
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color: this.currentColor
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});
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if (this.points.length > MAX_POINTS_PER_LINE) {
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this.newLine(newBrushPos);
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this.points.push(Vec3.subtract(newBrushPos, this.linePosition));
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this.normals.push(computeNormal(newBrushPos, Camera.getPosition()));
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this.strokeWidths.push(MIN_STROKE_WIDTH);
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}
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}
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}
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this.updateControllerState = function() {
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this.cycleColorButtonPressed = Controller.isButtonPressed(this.cycleColorButton);
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this.palmPosition = Controller.getSpatialControlPosition(this.palm);
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this.tipPosition = Controller.getSpatialControlPosition(this.tip);
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this.palmNormal = Controller.getSpatialControlNormal(this.palm);
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this.triggerValue = Controller.getTriggerValue(this.trigger);
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if (this.prevCycleColorButtonPressed === true && this.cycleColorButtonPressed === false) {
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this.cycleColor();
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Entities.editEntity(this.brush, {
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// color: this.currentColor
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});
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}
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this.prevCycleColorButtonPressed = this.cycleColorButtonPressed;
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}
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this.cleanup = function() {
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Entities.deleteEntity(this.brush);
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}
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}
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function computeNormal(p1, p2) {
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return Vec3.normalize(Vec3.subtract(p2, p1));
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}
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function update(deltaTime) {
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leftController.update(deltaTime);
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rightController.update(deltaTime);
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}
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function scriptEnding() {
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leftController.cleanup();
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rightController.cleanup();
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}
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function vectorIsZero(v) {
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return v.x === 0 && v.y === 0 && v.z === 0;
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}
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var rightController = new controller(RIGHT, RIGHT_BUTTON_4);
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var leftController = new controller(LEFT, LEFT_BUTTON_4);
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Script.update.connect(update);
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Script.scriptEnding.connect(scriptEnding);
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function map(value, min1, max1, min2, max2) {
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return min2 + (max2 - min2) * ((value - min1) / (max1 - min1));
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}
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248
examples/mousePolyLinePaint.js
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248
examples/mousePolyLinePaint.js
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//
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// paint.js
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// examples
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//
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// Created by Eric Levin on 6/4/15.
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// Copyright 2014 High Fidelity, Inc.
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//
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// This script allows you to paint with the hydra or mouse!
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//
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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var LINE_DIMENSIONS = 5;
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var LIFETIME = 6000;
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var EVENT_CHANGE_THRESHOLD = 200;
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var LINE_WIDTH = .05;
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var MAX_POINTS = 10;
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var points = [];
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var normals = [];
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var strokeWidths = [];
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var count = 0;
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var prevEvent = null;
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var MIN_POINT_DISTANCE = .01;
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var colorPalette = [{
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red: 236,
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green: 208,
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blue: 120
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}, {
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red: 214,
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green: 91,
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blue: 67
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}, {
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red: 192,
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green: 41,
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blue: 66
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}, {
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red: 84,
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green: 36,
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blue: 55
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}, {
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red: 83,
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green: 119,
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blue: 122
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}];
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var currentColorIndex = 0;
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var currentColor = colorPalette[currentColorIndex];
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function cycleColor() {
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currentColor = colorPalette[++currentColorIndex];
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if (currentColorIndex === colorPalette.length - 1) {
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currentColorIndex = -1;
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}
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}
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MousePaint();
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function MousePaint() {
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var DRAWING_DISTANCE = 5;
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var lines = [];
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var isDrawing = false;
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var line, linePosition;
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var BRUSH_SIZE = .05;
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var brush = Entities.addEntity({
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type: 'Sphere',
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position: {
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x: 0,
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y: 0,
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z: 0
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},
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color: currentColor,
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dimensions: {
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x: BRUSH_SIZE,
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y: BRUSH_SIZE,
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z: BRUSH_SIZE
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}
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});
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function newLine(position) {
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linePosition = position;
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line = Entities.addEntity({
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position: position,
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type: "PolyLine",
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color: currentColor,
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dimensions: {
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x: LINE_DIMENSIONS,
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y: LINE_DIMENSIONS,
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z: LINE_DIMENSIONS
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},
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linePoints: [],
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lineWidth: LINE_WIDTH,
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lifetime: LIFETIME
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});
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points = [];
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normals = []
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strokeWidths = [];
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}
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function mouseMoveEvent(event) {
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var pickRay = Camera.computePickRay(event.x, event.y);
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count++;
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var worldPoint = computeWorldPoint(pickRay);
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Entities.editEntity(brush, {
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position: worldPoint
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});
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if (!isDrawing) {
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return;
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}
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var eventChange = Math.sqrt(Math.pow(event.x - prevEvent.x, 2) + Math.pow(event.y - prevEvent.y, 2));
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//print("EVENT CHANGE " + eventChange)
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if (eventChange > EVENT_CHANGE_THRESHOLD) {
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print("PAST THRESHOLD!")
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return;
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}
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var localPoint = computeLocalPoint(worldPoint);
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if (Vec3.distance(points[points.length - 1], localPoint) < MIN_POINT_DISTANCE) {
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print("NOT ENOUGH DISTANCE BETWEEN MOUSE MOVES")
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return;
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}
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var width = (Math.sin(count / 100) + 1.1) / 10;
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points.push(localPoint)
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normals.push(computeNormal(worldPoint, pickRay.origin));
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strokeWidths.push(.07);
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Entities.editEntity(line, {
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strokeWidths: strokeWidths,
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linePoints: points,
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normals: normals,
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});
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if (points.length > MAX_POINTS) {
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newLine(worldPoint);
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var localPoint = computeLocalPoint(worldPoint);
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points.push(localPoint);
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normals.push(computeNormal(worldPoint, pickRay.origin));
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strokeWidths.push(.07);
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}
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prevEvent = event;
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}
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function undoStroke() {
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var deletedLine = lines.pop();
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var deletedLineProps = Entities.getEntityProperties(deletedLine);
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deletedLines.push(deletedLineProps);
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Entities.deleteEntity(deletedLine);
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}
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function redoStroke() {
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var restoredLine = Entities.addEntity(deletedLines.pop());
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Entities.addEntity(restoredLine);
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lines.push(restoredLine);
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}
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function computeNormal(p1, p2) {
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return Vec3.normalize(Vec3.subtract(p2, p1));
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}
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function computeWorldPoint(pickRay) {
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var addVector = Vec3.multiply(Vec3.normalize(pickRay.direction), DRAWING_DISTANCE);
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return Vec3.sum(pickRay.origin, addVector);
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}
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function computeLocalPoint(worldPoint) {
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var localPoint = Vec3.subtract(worldPoint, linePosition);
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return localPoint;
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}
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function mousePressEvent(event) {
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if (!event.isLeftButton) {
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isDrawing = false;
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return;
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}
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var pickRay = Camera.computePickRay(event.x, event.y);
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prevEvent = {x: event.x, y:event.y};
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var worldPoint = computeWorldPoint(pickRay);
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newLine(worldPoint);
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var localPoint = computeLocalPoint(worldPoint);
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points.push(localPoint);
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normals.push(computeNormal(worldPoint, pickRay.origin));
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strokeWidths.push(0.07);
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isDrawing = true;
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}
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function mouseReleaseEvent() {
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isDrawing = false;
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}
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function keyPressEvent(event) {
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if (event.text === "SPACE") {
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cycleColor();
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Entities.editEntity(brush, {
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color: currentColor
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});
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}
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if (event.text === "z") {
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undoStroke();
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}
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if (event.text === "x") {
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redoStroke();
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}
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}
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function cleanup() {
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lines.forEach(function(line) {
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// Entities.deleteEntity(line);
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});
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Entities.deleteEntity(brush);
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}
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Controller.mousePressEvent.connect(mousePressEvent);
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Controller.mouseReleaseEvent.connect(mouseReleaseEvent);
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Controller.mouseMoveEvent.connect(mouseMoveEvent);
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Script.scriptEnding.connect(cleanup);
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Controller.keyPressEvent.connect(keyPressEvent);
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}
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function randFloat(low, high) {
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return low + Math.random() * (high - low);
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}
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function randInt(low, high) {
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return Math.floor(randFloat(low, high));
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}
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function map(value, min1, max1, min2, max2) {
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return min2 + (max2 - min2) * ((value - min1) / (max1 - min1));
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}
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