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This commit is contained in:
David Rose 2000-11-29 20:13:35 +00:00
parent 3717871870
commit f9f6b012c8
4 changed files with 28 additions and 14 deletions
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2
panda/src/tform/config_tform.cxx
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@ -22,7 +22,9 @@ const double drive_forward_speed = config_tform.GetDouble("drive-forward-speed",
const double drive_reverse_speed = config_tform.GetDouble("drive-reverse-speed", 10.0);
const double drive_rotate_speed = config_tform.GetDouble("drive-rotate-speed", 80.0);
const double drive_vertical_dead_zone = config_tform.GetDouble("drive-vertical-dead-zone", 0.1);
const double drive_vertical_center = config_tform.GetDouble("drive-vertical-center", 0.0);
const double drive_horizontal_dead_zone = config_tform.GetDouble("drive-horizontal-dead-zone", 0.1);
const double drive_horizontal_center = config_tform.GetDouble("drive-horizontal-center", 0.0);
const double drive_vertical_ramp_up_time = config_tform.GetDouble("drive-vertical-ramp-up-time", 0.0);
const double drive_vertical_ramp_down_time = config_tform.GetDouble("drive-vertical-ramp-down-time", 0.0);
const double drive_horizontal_ramp_up_time = config_tform.GetDouble("drive-horizontal-ramp-up-time", 0.0);

2
panda/src/tform/config_tform.h
View File

@ -16,7 +16,9 @@ extern const double EXPCL_PANDA drive_forward_speed;
extern const double EXPCL_PANDA drive_reverse_speed;
extern const double EXPCL_PANDA drive_rotate_speed;
extern const double EXPCL_PANDA drive_vertical_dead_zone;
extern const double EXPCL_PANDA drive_vertical_center;
extern const double EXPCL_PANDA drive_horizontal_dead_zone;
extern const double EXPCL_PANDA drive_horizontal_center;
extern const double EXPCL_PANDA drive_vertical_ramp_up_time;
extern const double EXPCL_PANDA drive_vertical_ramp_down_time;
extern const double EXPCL_PANDA drive_horizontal_ramp_up_time;

36
panda/src/tform/driveInterface.cxx
View File

@ -107,6 +107,8 @@ DriveInterface(const string &name) : DataNode(name) {
_rotate_speed = drive_rotate_speed;
_vertical_dead_zone = drive_vertical_dead_zone;
_horizontal_dead_zone = drive_horizontal_dead_zone;
_vertical_center = drive_vertical_center;
_horizontal_center = drive_horizontal_center;
_vertical_ramp_up_time = drive_vertical_ramp_up_time;
_vertical_ramp_down_time = drive_vertical_ramp_down_time;
@ -627,40 +629,46 @@ apply(double x, double y, bool any_button) {
// First, how fast are we moving? This is based on the mouse's
// vertical position.
if (y >= _vertical_dead_zone) {
float dead_zone_top = _vertical_center + _vertical_dead_zone;
float dead_zone_bottom = _vertical_center - _vertical_dead_zone;
if (y >= dead_zone_top) {
// Motion is forward. Compute the throttle value: the ratio of
// the mouse pointer within the range of vertical movement.
float throttle =
(min(y, 1.0) - _vertical_dead_zone) /
(1.0 - _vertical_dead_zone);
(min(y, 1.0) - dead_zone_top) /
(1.0 - dead_zone_top);
_speed = throttle * _forward_speed;
} else if (y <= -_vertical_dead_zone) {
} else if (y <= dead_zone_bottom) {
// Motion is backward.
float throttle =
(max(y, -1.0) + _vertical_dead_zone) /
(-1.0 + _vertical_dead_zone);
(max(y, -1.0) - dead_zone_bottom) /
(-1.0 - dead_zone_bottom);
_speed = -throttle * _reverse_speed;
}
// Now, what's our rotational velocity? This is based on the
// mouse's horizontal position.
if (x >= _horizontal_dead_zone) {
float dead_zone_right = _horizontal_center + _horizontal_dead_zone;
float dead_zone_left = _horizontal_center - _horizontal_dead_zone;
if (x >= dead_zone_right) {
// Rotation is to the right. Compute the throttle value: the
// ratio of the mouse pointer within the range of horizontal
// movement.
float throttle =
(min(x, 1.0) - _horizontal_dead_zone) /
(1.0 - _horizontal_dead_zone);
(min(x, 1.0) - dead_zone_right) /
(1.0 - dead_zone_right);
_rot_speed = throttle * _rotate_speed;
} else if (x <= -_horizontal_dead_zone) {
} else if (x <= dead_zone_left) {
// Rotation is to the left.
float throttle =
(max(x, -1.0) + _horizontal_dead_zone) /
(-1.0 + _horizontal_dead_zone);
(max(x, -1.0) - dead_zone_left) /
(-1.0 - dead_zone_left);
_rot_speed = -throttle * _rotate_speed;
}

2
panda/src/tform/driveInterface.h
View File

@ -98,6 +98,8 @@ private:
float _rotate_speed; // degrees / sec, mouse all the way over
float _vertical_dead_zone; // fraction of window size
float _horizontal_dead_zone; // fraction of window size
float _vertical_center; // window units, 0 = center, -1 = bottom, 1 = top
float _horizontal_center; // window units, 0 = center, -1 = left, 1 = right
// The time it takes to ramp up to full speed from a stop (or return
// to a stop from full speed) when using the keyboard.