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simple chair entity script

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Philip Rosedale 2017-01-04 23:48:24 -08:00
parent 8613cd35ea
commit ba43a18529
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scripts/tutorials/entity_scripts/chair.js Normal file
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// chair.js
//
// Restrictions right now:
// Chair objects need to be set as not colliding with avatars, so that they pull avatar
// avatar into collision with them. Also they need to be at or above standing height
// (like a stool).
//
// Copyright 2016 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
(function(){
var UPDATE_INTERVAL_MSECS = 1000; // Update the spring/object at 45Hz
var SETTINGS_INTERVAL_MSECS = 1000; // Periodically check user data for updates
var DEFAULT_SIT_DISTANCE = 1.0; // How strong/stiff is the spring?
var HYSTERESIS = 1.2;
var SITTING = 0;
var LEAVING = 1;
var STANDING = 2;
var state = STANDING;
var sitDistance = DEFAULT_SIT_DISTANCE;
var standDistance = DEFAULT_SIT_DISTANCE / 3;
var entity;
var props;
var checkTimer = false;
var settingsTimer = false;
var sitting = false;
var _this;
var WANT_DEBUG = true;
function debugPrint(string) {
if (WANT_DEBUG) {
print(string);
}
}
function howFarAway(position) {
return Vec3.distance(MyAvatar.position, position);
}
function isSeatOpen(position, distance) {
closest = true;
AvatarList.getAvatarIdentifiers().forEach(function(avatarSessionUUID) {
var avatar = AvatarList.getAvatar(avatarSessionUUID);
if (Vec3.distance(avatar.position, position) < distance) {
closest = false;
}
});
return closest;
}
function enterSitPose() {
var rot;
var UPPER_LEG_ANGLE = 240;
var LOWER_LEG_ANGLE = -80;
rot = Quat.safeEulerAngles(MyAvatar.getJointRotation("RightUpLeg"));
MyAvatar.setJointData("RightUpLeg", Quat.fromPitchYawRollDegrees(UPPER_LEG_ANGLE, rot.y, rot.z), MyAvatar.getJointTranslation("RightUpLeg"));
rot = Quat.safeEulerAngles(MyAvatar.getJointRotation("RightLeg"));
MyAvatar.setJointData("RightLeg", Quat.fromPitchYawRollDegrees(LOWER_LEG_ANGLE, rot.y, rot.z), MyAvatar.getJointTranslation("RightLeg"));
rot = Quat.safeEulerAngles(MyAvatar.getJointRotation("LeftUpLeg"));
MyAvatar.setJointData("LeftUpLeg", Quat.fromPitchYawRollDegrees(UPPER_LEG_ANGLE, rot.y, rot.z), MyAvatar.getJointTranslation("LeftUpLeg"));
rot = Quat.safeEulerAngles(MyAvatar.getJointRotation("LeftLeg"));
MyAvatar.setJointData("LeftLeg", Quat.fromPitchYawRollDegrees(LOWER_LEG_ANGLE, rot.y, rot.z), MyAvatar.getJointTranslation("LeftLeg"));
}
function leaveSitPose() {
MyAvatar.clearJointData("RightUpLeg");
MyAvatar.clearJointData("LeftUpLeg");
MyAvatar.clearJointData("RightLeg");
MyAvatar.clearJointData("LeftLeg");
}
function moveToSeat(position, rotation) {
var eulers = Quat.safeEulerAngles(MyAvatar.orientation);
eulers.y = Quat.safeEulerAngles(rotation).y;
MyAvatar.position = position;
MyAvatar.orientation = Quat.fromPitchYawRollDegrees(eulers.x, eulers.y, eulers.z);
}
this.preload = function(entityID) {
// Load the sound and range from the entity userData fields, and note the position of the entity.
debugPrint("chair preload");
entity = entityID;
_this = this;
checkTimer = Script.setInterval(this.maybeSitOrStand, UPDATE_INTERVAL_MSECS);
settingsTimer = Script.setInterval(this.checkSettings, SETTINGS_INTERVAL_MSECS);
};
this.maybeSitOrStand = function() {
props = Entities.getEntityProperties(entity, [ "position", "rotation" ]);
// First, check if the entity is far enough away to not need to do anything with it
var howFar = howFarAway(props.position);
if ((state === STANDING) && (howFar < sitDistance) && isSeatOpen(props.position, standDistance)) {
moveToSeat(props.position, props.rotation);
//MyAvatar.characterControllerEnabled = true;
enterSitPose();
state = SITTING;
debugPrint("Sitting");
} else if ((state === SITTING) && (howFar > standDistance)) {
leaveSitPose();
state = LEAVING;
MyAvatar.characterControllerEnabled = true;
debugPrint("Leaving");
} else if ((state === LEAVING) && (howFar > sitDistance * HYSTERESIS)) {
state = STANDING;
debugPrint("Standing");
}
}
this.clickDownOnEntity = function(entityID, mouseEvent) {
// If entity is clicked, jump to seat
props = Entities.getEntityProperties(entity, [ "position", "rotation" ]);
if ((state === STANDING) && isSeatOpen(props.position, standDistance)) {
moveToSeat(props.position, props.rotation);
//MyAvatar.characterControllerEnabled = false;
enterSitPose();
state = SITTING;
debugPrint("Sitting");
}
}
this.checkSettings = function() {
var dataProps = Entities.getEntityProperties(entity, [ "userData" ]);
if (dataProps.userData) {
var data = JSON.parse(dataProps.userData);
if (data.sitDistance) {
if (!(sitDistance === data.sitDistance)) {
debugPrint("Read new sit distance: " + data.sitDistance);
}
sitDistance = data.sitDistance;
}
if (data.standDistance) {
if (!(standDistance === data.standDistance)) {
debugPrint("Read new stand distance: " + data.standDistance);
}
standDistance = data.standDistance;
}
}
}
this.unload = function(entityID) {
debugPrint("chair unload");
if (checkTimer) {
Script.clearInterval(checkTimer);
}
if (settingsTimer) {
Script.clearInterval(settingsTimer);
}
};
})