function mouse_down_cb(e) {
var pick = false;
var selected_obj = null;
for (var i = 0; i < _sensors.length; i++) {
var sensor = _sensors[i];
if (sensor.type == ST_MOUSE_CLICK) {
sensor_set_value(sensor, 1);
sensor.payload = e.which;
}
// update selection sensors
if (sensor.type == ST_SELECTION) {
if (!pick) {
selected_obj = m_scs.pick_object(e.clientX, e.clientY);
pick = true;
}
if (selected_obj == sensor.source_object)
sensor.value = 1;
else
sensor.value = 0;
}
}
if (_prev_def_mouse_events)
e.preventDefault();
}
function touch_start_cb(e) {
var touches = e.targetTouches;
if (touches.length == 1) {
var touch = touches[0];
var x = touch.pageX;
var y = touch.pageY;
// update selection sensors
var pick = false;
var selected_obj = null;
for (var i = 0; i < _sensors.length; i++) {
var sensor = _sensors[i];
if (sensor.type == ST_SELECTION) {
if (!pick) {
selected_obj = m_scs.pick_object(x, y);
pick = true;
}
sensor.value = (selected_obj == sensor.source_object);
}
}
// reset coords from last touch session
_touches_last_x[0] = x;
_touches_last_x[1] = -1;
_touches_last_y[0] = y;
_touches_last_y[1] = -1;
} else if (touches.length > 1) {
var zoom_dist = touch_zoom_dist(touches);
_touch_zoom_curr_dist = _touch_zoom_last_dist = zoom_dist;
// reset coords from last touch session
_touches_last_x[0] = touches[0].pageX;
_touches_last_x[1] = touches[1].pageX;
_touches_last_y[0] = touches[0].pageY;
_touches_last_y[1] = touches[1].pageY;
}
// reset coords from last touch session
_touches_curr_x.set(_touches_last_x);
_touches_curr_y.set(_touches_last_y);
// NOTE: issues with picking on mobile platforms
//if (_prev_def_touch_events)
// e.preventDefault();
if (_callback_touch_events)
_callback_touch_events(e);
}
exports.touch_start_cb = function(e) {
var touches = e.targetTouches;
if (touches.length == 1) {
var touch = touches[0];
var x = touch.pageX;
var y = touch.pageY;
// update selection sensors
var pick = false;
var selected_obj = null;
for (var i = 0; i < _sensors.length; i++) {
var sensor = _sensors[i];
if (sensor.type == ST_SELECTION) {
if (!pick) {
selected_obj = m_scs.pick_object(x, y);
pick = true;
}
sensor.value = (selected_obj == sensor.obj);
}
}
// reset coords from last touch session
_touch_curr_x = _touch_last_x = x;
_touch_curr_y = _touch_last_y = y;
} else if (touches.length > 1) {
var zoom_dist = touch_zoom_dist(touches);
_touch_zoom_curr_dist = _touch_zoom_last_dist = zoom_dist;
}
// NOTE: issues with picking on mobile platforms
//e.preventDefault();
}
exports.mouse_down_cb = function(e) {
var pick = false;
var selected_obj = null;
for (var i = 0; i < _sensors.length; i++) {
var sensor = _sensors[i];
if (sensor.type == ST_MOUSE_CLICK) {
sensor_set_value(sensor, 1);
}
// update selection sensors
if (sensor.type == ST_SELECTION) {
if (!pick) {
selected_obj = m_scs.pick_object(e.clientX, e.clientY);
pick = true;
}
sensor.value = (selected_obj == sensor.obj);
}
}
e.preventDefault();
}