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bow and grab

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This commit is contained in:
James B. Pollack 2015-10-20 16:22:30 -07:00
parent d01faad9ed
commit fd0dc3cd49
2 changed files with 41 additions and 5 deletions
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42
examples/controllers/handControllerGrab.js
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@ -3,6 +3,7 @@
//
// Created by Eric Levin on 9/2/15
// Additions by James B. Pollack @imgntn on 9/24/2015
// Additions By Seth Alves on 10/20/2015
// Copyright 2015 High Fidelity, Inc.
//
// Grabs physically moveable entities with hydra-like controllers; it works for either near or far objects.
@ -13,6 +14,13 @@
Script.include("../libraries/utils.js");
////////////////////////////////////////////////////////////
//
// add lines where the hand ray picking is happening
//
var DEBUG_HAND_RAY_PICKING = false;
/////////////////////////////////////////////////////////////////
//
// these tune time-averaging and "on" value for analog trigger
@ -43,9 +51,9 @@ var PICK_MAX_DISTANCE = 500; // max length of pick-ray
var NEAR_GRABBING_ACTION_TIMEFRAME = 0.05; // how quickly objects move to their new position
var NEAR_GRABBING_VELOCITY_SMOOTH_RATIO = 1.0; // adjust time-averaging of held object's velocity. 1.0 to disable.
var NEAR_PICK_MAX_DISTANCE = 0.2; // max length of pick-ray for close grabbing to be selected
var NEAR_PICK_MAX_DISTANCE = 0.3; // max length of pick-ray for close grabbing to be selected
var RELEASE_VELOCITY_MULTIPLIER = 1.5; // affects throwing things
var PICK_BACKOFF_DISTANCE = 0.1; // helps when hand is intersecting the grabble object
var PICK_BACKOFF_DISTANCE = 0.2; // helps when hand is intersecting the grabble object
/////////////////////////////////////////////////////////////////
//
@ -190,6 +198,19 @@ function MyController(hand, triggerAction) {
}
this.debugLine = function(closePoint, farPoint, color){
Entities.addEntity({
type: "Line",
name: "Debug Line",
dimensions: LINE_ENTITY_DIMENSIONS,
visible: true,
position: closePoint,
linePoints: [ZERO_VEC, farPoint],
color: color,
lifetime: 0.1
});
}
this.lineOn = function(closePoint, farPoint, color) {
// draw a line
if (this.pointer === null) {
@ -275,6 +296,13 @@ function MyController(hand, triggerAction) {
length: NEAR_PICK_MAX_DISTANCE
};
var otherPickRay = {
origin: handPosition,
direction: Quat.getRight(this.getHandRotation()),
length: NEAR_PICK_MAX_DISTANCE
};
this.lineOn(distantPickRay.origin, Vec3.multiply(distantPickRay.direction, LINE_LENGTH), NO_INTERSECT_COLOR);
// don't pick 60x per second. do this check after updating the line so it's not jumpy.
@ -284,7 +312,7 @@ function MyController(hand, triggerAction) {
}
this.lastPickTime = now;
var pickRays = [distantPickRay, palmPickRay];
var pickRays = [distantPickRay, palmPickRay, otherPickRay];
for (var index=0; index < pickRays.length; ++index) {
var pickRay = pickRays[index];
var directionNormalized = Vec3.normalize(pickRay.direction);
@ -294,7 +322,15 @@ function MyController(hand, triggerAction) {
direction: pickRay.direction
};
if (DEBUG_HAND_RAY_PICKING)
this.debugLine(pickRayBacked.origin, Vec3.multiply(pickRayBacked.direction, NEAR_PICK_MAX_DISTANCE), {
red: 0,
green: 255,
blue: 0
})
var intersection = Entities.findRayIntersection(pickRayBacked, true);
if (intersection.intersects && intersection.properties.locked === 0) {
// the ray is intersecting something we can move.
var intersectionDistance = Vec3.distance(pickRay.origin, intersection.intersection);

4
examples/toys/bow/bow.js
View file

@ -16,7 +16,7 @@
var ARROW_COLLISION_HULL_URL = "https://hifi-public.s3.amazonaws.com/models/bow/arrow_collision_hull.obj";
var ARROW_SCRIPT_URL = Script.resolvePath('arrow.js');
var ARROW_OFFSET = 0.25;
var ARROW_FORCE = 0.25;
var ARROW_FORCE = 1.25;
var ARROW_DIMENSIONS = {
x: 0.08,
y: 0.02,
@ -290,7 +290,7 @@
releaseArrow: function() {
var forwardVec = Quat.getFront(Quat.multiply(this.bowProperties.rotation, Quat.fromPitchYawRollDegrees(0, 180, 0)));
var forwardVec = Quat.getRight(Quat.multiply(this.bowProperties.rotation, Quat.fromPitchYawRollDegrees(0, 180, 0)));
forwardVec = Vec3.normalize(forwardVec);
var handDistanceAtRelease = Vec3.length(this.bowProperties.position, this.stringData.handPosition);