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kickback working

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ericrius1 2015-11-11 16:40:44 -08:00
parent 466caffd00
commit 1bf8ced2c4
1 changed files with 53 additions and 4 deletions
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57
examples/weapons/pistol.js
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@ -19,8 +19,11 @@ Script.include("../libraries/utils.js");
Script.include("../libraries/constants.js");
var animVarName = "rightHandPosition";
var handlerId;
var jointName = "RightHand";
var kickBackForce = 0.01;
HIFI_PUBLIC_BUCKET = "http://s3.amazonaws.com/hifi-public/";
var fireSound = SoundCache.getSound("https://s3.amazonaws.com/hifi-public/sounds/Guns/GUN-SHOT2.raw");
@ -83,6 +86,34 @@ pointer.push(Overlays.addOverlay("line3d", {
}));
// For transforming between world space and our avatar's model space.
var myHipsJointIndex, avatarToModelTranslation, avatarToWorldTranslation, avatarToWorldRotation, worldToAvatarRotation;
var avatarToModelRotation = Quat.angleAxis(180, {
x: 0,
y: 1,
z: 0
}); // N.B.: Our C++ angleAxis takes radians, while our javascript angleAxis takes degrees!
var modelToAvatarRotation = Quat.inverse(avatarToModelRotation); // Flip 180 gives same result without inverse, but being explicit to track the math.
function updateMyCoordinateSystem() {
avatarToWorldTranslation = MyAvatar.position;
avatarToWorldRotation = MyAvatar.orientation;
worldToAvatarRotation = Quat.inverse(avatarToWorldRotation);
avatarToModelTranslation = MyAvatar.getJointTranslation(myHipsJointIndex); // Should really be done on the bind pose.
}
// Just math.
function modelToWorld(modelPoint) {
var avatarPoint = Vec3.subtract(Vec3.multiplyQbyV(modelToAvatarRotation, modelPoint), avatarToModelTranslation);
return Vec3.sum(Vec3.multiplyQbyV(avatarToWorldRotation, avatarPoint), avatarToWorldTranslation);
}
function worldToModel(worldPoint) {
var avatarPoint = Vec3.multiplyQbyV(worldToAvatarRotation, Vec3.subtract(worldPoint, avatarToWorldTranslation));
return Vec3.multiplyQbyV(avatarToModelRotation, Vec3.sum(avatarPoint, avatarToModelTranslation));
}
function update(deltaTime) {
// FIXME we should also expose MyAvatar.handPoses[2], MyAvatar.tipPoses[2]
var tipPoses = [MyAvatar.leftHandTipPose, MyAvatar.rightHandTipPose];
@ -120,12 +151,19 @@ function update(deltaTime) {
}
}
var kickback = function() {
print("TEST PARAM *******");
print(JSON.stringify(testParam));
var kickback = function(animationProperties) {
var modelHandPosition = animationProperties[animVarName];
var worldHandPosition = modelToWorld(modelHandPosition);
var targetHandWorldPosition = Vec3.sum(worldHandPosition, {x: 0, y: .1, z: 0});
var targetHandModelPosition = worldToModel(targetHandWorldPosition);
var result = {};
result[animVarName] = targetHandModelPosition;
return result;
}
function triggerChanged(side, value) {
var pressed = (value != 0);
if (pressed) {
Audio.playSound(fireSound, {
@ -139,7 +177,8 @@ function triggerChanged(side, value) {
direction: shotDirection
};
createMuzzleFlash(barrelTips[side]);
var kickbackHandler = MyAvatar.addAnimationStateHandler(kickback, ["yo"]);
startKickback();
var intersection = Entities.findRayIntersection(pickRay, true);
if (intersection.intersects) {
if (intersection.properties.name === "rat") {
@ -161,6 +200,16 @@ function triggerChanged(side, value) {
}
}
function startKickback() {
handlerId = MyAvatar.addAnimationStateHandler(kickback, [animVarName]);
Script.setTimeout(function() {
kickBackForce *= -1;
Script.setTimeout(function() {
MyAvatar.removeAnimationStateHandler(handlerId);
}, 100)
}, 100);
}
function scriptEnding() {