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grabHockey.js can also rotate objects again

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This commit is contained in:
Andrew Meadows 2015-05-18 22:49:23 -07:00
parent b60907570a
commit fbd1b7e8b0
1 changed files with 10 additions and 13 deletions
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23
examples/example/games/grabHockey.js
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@ -31,7 +31,7 @@ var tablePosition = {
var isGrabbing = false;
var isGrabbingPaddle = false;
var grabbedEntity = null;
var prevMouse = {};
var prevMouse = {x: 0, y: 0};
var deltaMouse = {
z: 0
}
@ -43,6 +43,7 @@ var moveUpDown = false;
var CLOSE_ENOUGH = 0.001;
var FULL_STRENGTH = 1.0;
var SPRING_TIMESCALE = 0.05;
var ANGULAR_SPRING_TIMESCALE = 0.03;
var DAMPING_RATE = 0.80;
var ANGULAR_DAMPING_RATE = 0.40;
var SCREEN_TO_METERS = 0.001;
@ -59,7 +60,7 @@ var originalGravity = {
z: 0
};
var shouldRotate = false;
var dQ, theta, axisAngle, dT;
var dQ, dT;
var angularVelocity = {
x: 0,
y: 0,
@ -266,24 +267,20 @@ function mouseMoveEvent(event) {
}
if (shouldRotate) {
targetPosition = currentPosition;
deltaMouse.x = event.x - prevMouse.x;
if (!moveUpDown) {
deltaMouse.z = event.y - prevMouse.y;
deltaMouse.y = 0;
} else {
deltaMouse.y = (event.y - prevMouse.y) * -1;
deltaMouse.z = 0;
}
deltaMouse.z = event.y - prevMouse.y;
deltaMouse.y = 0;
var transformedDeltaMouse = {
x: deltaMouse.z,
y: deltaMouse.x,
z: deltaMouse.y
};
transformedDeltaMouse = Vec3.multiplyQbyV(Quat.fromPitchYawRollDegrees(0, camYaw, 0), transformedDeltaMouse);
dQ = Quat.fromVec3Degrees(transformedDeltaMouse);
theta = 2 * Math.acos(dQ.w);
axisAngle = Quat.axis(dQ);
angularVelocity = Vec3.multiply((theta / dT), axisAngle);
var theta = 2 * Math.acos(dQ.w);
var axis = Quat.axis(dQ);
angularVelocity = Vec3.multiply((theta / ANGULAR_SPRING_TIMESCALE), axis);
} else {
if (moveUpDown) {
targetPosition = forwardPickRayIntersection(currentPosition, event.x, event.y);