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Generate touchEndEvent if last event was more than 50 ms ago

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Atlante45 2015-04-24 18:50:03 +02:00
parent a3edb7b02a
commit e2b60d35f0
1 changed files with 22 additions and 6 deletions
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28
examples/look.js
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@ -31,7 +31,9 @@ var yawFromTouch = 0;
var pitchFromTouch = 0; var pitchFromTouch = 0;
// Touch Data // Touch Data
var TIME_BEFORE_GENERATED_END_TOUCH_EVENT = 50; // ms
var startedTouching = false; var startedTouching = false;
var lastTouchEvent = 0;
var lastMouseX = 0; var lastMouseX = 0;
var lastMouseY = 0; var lastMouseY = 0;
var yawFromMouse = 0; var yawFromMouse = 0;
@ -80,11 +82,17 @@ function touchBeginEvent(event) {
yawFromTouch = 0; yawFromTouch = 0;
pitchFromTouch = 0; pitchFromTouch = 0;
startedTouching = true; startedTouching = true;
var d = new Date();
lastTouchEvent = d.getTime();
} }
function touchEndEvent(event) { function touchEndEvent(event) {
if (wantDebugging) { if (wantDebugging) {
print("touchEndEvent event.x,y=" + event.x + ", " + event.y); if (event) {
print("touchEndEvent event.x,y=" + event.x + ", " + event.y);
} else {
print("touchEndEvent generated");
}
} }
startedTouching = false; startedTouching = false;
} }
@ -96,23 +104,31 @@ function touchUpdateEvent(event) {
} }
if (!startedTouching) { if (!startedTouching) {
// handle Qt 5.4.x bug where we get touch update without a touch begin event // handle Qt 5.4.x bug where we get touch update without a touch begin event
startedTouching = true; touchBeginEvent(event);
lastTouchX = event.x; return;
lastTouchY = event.y;
} }
yawFromTouch += ((event.x - lastTouchX) * TOUCH_YAW_SCALE * FIXED_TOUCH_TIMESTEP); yawFromTouch += ((event.x - lastTouchX) * TOUCH_YAW_SCALE * FIXED_TOUCH_TIMESTEP);
pitchFromTouch += ((event.y - lastTouchY) * TOUCH_PITCH_SCALE * FIXED_TOUCH_TIMESTEP); pitchFromTouch += ((event.y - lastTouchY) * TOUCH_PITCH_SCALE * FIXED_TOUCH_TIMESTEP);
lastTouchX = event.x; lastTouchX = event.x;
lastTouchY = event.y; lastTouchY = event.y;
} var d = new Date();
lastTouchEvent = d.getTime();}
function update(deltaTime) { function update(deltaTime) {
if (wantDebugging) { if (wantDebugging) {
print("update()..."); print("update()...");
} }
if(startedTouching) {
var d = new Date();
var sinceLastTouch = d.getTime() - lastTouchEvent;
if (sinceLastTouch > TIME_BEFORE_GENERATED_END_TOUCH_EVENT) {
touchEndEvent();
}
}
if (yawFromTouch != 0 || yawFromMouse != 0) { if (yawFromTouch != 0 || yawFromMouse != 0) {
var newOrientation = Quat.multiply(MyAvatar.orientation, Quat.fromPitchYawRollRadians(0, yawFromTouch + yawFromMouse, 0)); var newOrientation = Quat.multiply(MyAvatar.orientation, Quat.fromPitchYawRollRadians(0, yawFromTouch + yawFromMouse, 0));