From a95befb02e7a936691161bf34db5b3dd7b4551d4 Mon Sep 17 00:00:00 2001 From: Atlante45 Date: Thu, 20 Mar 2014 12:10:17 -0700 Subject: [PATCH] Added new script inspect.js --- examples/inspect.js | 240 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100644 examples/inspect.js diff --git a/examples/inspect.js b/examples/inspect.js new file mode 100644 index 0000000000..bbddb77883 --- /dev/null +++ b/examples/inspect.js @@ -0,0 +1,240 @@ +/ +// inspect.js +// hifi +// +// Created by Clément Brisset on March 20, 2014 +// Copyright (c) 2014 HighFidelity, Inc. All rights reserved. +// +// Allows you to inspect non moving objects (Voxels or Avatars) using Atl, Control (Command on Mac) and Shift +// +// radial mode = hold ALT +// orbit mode = hold ALT + CONTROL +// pan mode = hold ALT + CONTROL + SHIFT +// Once you are in a mode left click on the object to inspect and hold the click +// Dragging the mouse will move your camera according to the mode you are in. +// + +var AZIMUTH_RATE = 90.0; +var ALTITUDE_RATE = 200.0; +var RADIUS_RATE = 20.0; +var PAN_RATE = 50.0; + +var alt = false; +var shift = false; +var control = false; + +var isActive = false; + +var noMode = 0; +var orbitMode = 1; +var radialMode = 2; +var panningMode = 3; + +var mode = noMode; + +var mouseLastX = 0; +var mouseLastY = 0; + + +var center = { x: 0, y: 0, z: 0 }; +var position = { x: 0, y: 0, z: 0 }; +var vector = { x: 0, y: 0, z: 0 }; +var radius = 0.0; +var azimuth = 0.0; +var altitude = 0.0; + + +function handleRadialMode(dx, dy) { + azimuth += dx / AZIMUTH_RATE; + radius += radius * dy / RADIUS_RATE; + if (radius < 1) { + radius = 1; + } + + vector = { x: (Math.cos(altitude) * Math.cos(azimuth)) * radius, + y: Math.sin(altitude) * radius, + z: (Math.cos(altitude) * Math.sin(azimuth)) * radius }; + position = Vec3.sum(center, vector); + Camera.setPosition(position); +} + +function handleOrbitMode(dx, dy) { + azimuth += dx / AZIMUTH_RATE; + altitude += dy / ALTITUDE_RATE; + + vector = { x:(Math.cos(altitude) * Math.cos(azimuth)) * radius, + y:Math.sin(altitude) * radius, + z:(Math.cos(altitude) * Math.sin(azimuth)) * radius }; + position = Vec3.sum(center, vector); + Camera.setPosition(position); +} + + +function handlePanMode(dx, dy) { + var up = Quat.getUp(Camera.getOrientation()); + var right = Quat.getRight(Camera.getOrientation()); + var distance = Vec3.length(vector); + + var dv = Vec3.sum(Vec3.multiply(up, - distance * dy / PAN_RATE), Vec3.multiply(right, distance * dx / PAN_RATE)); + + center = Vec3.sum(center, dv); + position = Vec3.sum(position, dv); + + Camera.setPosition(position); + Camera.keepLookingAt(center); +} + +function saveCameraState() { + oldMode = Camera.getMode(); + var oldPosition = Camera.getPosition(); + Camera.setMode("independent"); + Camera.setPosition(oldPosition); +} + +function restoreCameraState() { + Camera.stopLooking(); + Camera.setMode(oldMode); +} + +function handleModes() { + var newMode = noMode; + if (alt) { + if (control) { + if (shift) { + newMode = panningMode; + } else { + newMode = orbitMode; + } + } else { + newMode = radialMode; + } + } + + // if leaving noMode + if (mode == noMode && newMode != noMode) { + saveCameraState(); + } + // if entering noMode + if (newMode == noMode && mode != noMode) { + restoreCameraState(); + } + + mode = newMode; +} + +function keyPressEvent(event) { + var changed = false; + + if (event.text == "ALT") { + alt = true; + changed = true; + } + if (event.text == "CONTROL") { + control = true; + changed = true; + } + if (event.text == "SHIFT") { + shift = true; + changed = true; + } + + if (changed) { + handleModes(); + } +} + +function keyReleaseEvent(event) { + var changed = false; + + if (event.text == "ALT") { + alt = false; + changed = true; + } + if (event.text == "CONTROL") { + control = false; + changed = true; + } + if (event.text == "SHIFT") { + shift = false; + changed = true; + } + + if (changed) { + handleModes(); + } +} + +function mousePressEvent(event) { + if (alt) { + isActive = true; + mouseLastX = event.x; + mouseLastY = event.y; + + // Compute trajectories related values + var pickRay = Camera.computePickRay(mouseLastX, mouseLastY); + var intersection = Voxels.findRayIntersection(pickRay); + + position = Camera.getPosition(); + + avatarTarget = MyAvatar.getTargetAvatarPosition(); + voxelTarget = intersection.intersection; + if (Vec3.length(Vec3.subtract(avatarTarget, position)) < Vec3.length(Vec3.subtract(voxelTarget, position))) { + if (avatarTarget.x != 0 || avatarTarget.y != 0 || avatarTarget.z != 0) { + center = avatarTarget; + } else { + center = voxelTarget; + } + } else { + if (voxelTarget.x != 0 || voxelTarget.y != 0 || voxelTarget.z != 0) { + center = voxelTarget; + } else { + center = avatarTarget; + } + } + + vector = Vec3.subtract(position, center); + radius = Vec3.length(vector); + azimuth = Math.atan2(vector.z, vector.x); + altitude = Math.asin(vector.y / Vec3.length(vector)); + + Camera.keepLookingAt(center); + } +} + +function mouseReleaseEvent(event) { + if (isActive) { + isActive = false; + } +} + +function mouseMoveEvent(event) { + if (isActive && mode != noMode) { + if (mode == radialMode) { + handleRadialMode(event.x - mouseLastX, event.y - mouseLastY); + } + if (mode == orbitMode) { + handleOrbitMode(event.x - mouseLastX, event.y - mouseLastY); + } + if (mode == panningMode) { + handlePanMode(event.x - mouseLastX, event.y - mouseLastY); + } + + mouseLastX = event.x; + mouseLastY = event.y; + } +} + +function scriptEnding() { + if (mode != noMode) { + restoreCameraState(); + } +} + +Controller.keyPressEvent.connect(keyPressEvent); +Controller.keyReleaseEvent.connect(keyReleaseEvent); + +Controller.mousePressEvent.connect(mousePressEvent); +Controller.mouseReleaseEvent.connect(mouseReleaseEvent); +Controller.mouseMoveEvent.connect(mouseMoveEvent); + +Script.scriptEnding.connect(scriptEnding); \ No newline at end of file