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[iOS] Add Apple Pencil pressure and tilt support.

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This commit is contained in:
bruvzg 2022-12-23 17:37:45 +02:00
parent 5784bf1be0
commit 223a612c0c
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GPG key ID: 7960FCF39844EC38
7 changed files with 75 additions and 5 deletions
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6
core/input/input.cpp
View file

@ -540,6 +540,9 @@ void Input::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool p_is_em
drag_event->set_position(position);
drag_event->set_relative(relative);
drag_event->set_tilt(mm->get_tilt());
drag_event->set_pen_inverted(mm->get_pen_inverted());
drag_event->set_pressure(mm->get_pressure());
drag_event->set_velocity(get_last_mouse_velocity());
event_dispatch_function(drag_event);
@ -605,6 +608,9 @@ void Input::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool p_is_em
motion_event.instantiate();
motion_event->set_device(InputEvent::DEVICE_ID_TOUCH_MOUSE);
motion_event->set_tilt(sd->get_tilt());
motion_event->set_pen_inverted(sd->get_pen_inverted());
motion_event->set_pressure(sd->get_pressure());
motion_event->set_position(sd->get_position());
motion_event->set_global_position(sd->get_position());
motion_event->set_relative(sd->get_relative());

41
core/input/input_event.cpp
View file

@ -1223,6 +1223,30 @@ int InputEventScreenDrag::get_index() const {
return index;
}
void InputEventScreenDrag::set_tilt(const Vector2 &p_tilt) {
tilt = p_tilt;
}
Vector2 InputEventScreenDrag::get_tilt() const {
return tilt;
}
void InputEventScreenDrag::set_pressure(float p_pressure) {
pressure = p_pressure;
}
float InputEventScreenDrag::get_pressure() const {
return pressure;
}
void InputEventScreenDrag::set_pen_inverted(bool p_inverted) {
pen_inverted = p_inverted;
}
bool InputEventScreenDrag::get_pen_inverted() const {
return pen_inverted;
}
void InputEventScreenDrag::set_position(const Vector2 &p_pos) {
pos = p_pos;
}
@ -1256,6 +1280,9 @@ Ref<InputEvent> InputEventScreenDrag::xformed_by(const Transform2D &p_xform, con
sd->set_window_id(get_window_id());
sd->set_index(index);
sd->set_pressure(get_pressure());
sd->set_pen_inverted(get_pen_inverted());
sd->set_tilt(get_tilt());
sd->set_position(p_xform.xform(pos + p_local_ofs));
sd->set_relative(p_xform.basis_xform(relative));
sd->set_velocity(p_xform.basis_xform(velocity));
@ -1268,7 +1295,7 @@ String InputEventScreenDrag::as_text() const {
}
String InputEventScreenDrag::to_string() {
return vformat("InputEventScreenDrag: index=%d, position=(%s), relative=(%s), velocity=(%s)", index, String(get_position()), String(get_relative()), String(get_velocity()));
return vformat("InputEventScreenDrag: index=%d, position=(%s), relative=(%s), velocity=(%s), pressure=%.2f, tilt=(%s), pen_inverted=(%s)", index, String(get_position()), String(get_relative()), String(get_velocity()), get_pressure(), String(get_tilt()), get_pen_inverted());
}
bool InputEventScreenDrag::accumulate(const Ref<InputEvent> &p_event) {
@ -1292,6 +1319,15 @@ void InputEventScreenDrag::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_index", "index"), &InputEventScreenDrag::set_index);
ClassDB::bind_method(D_METHOD("get_index"), &InputEventScreenDrag::get_index);
ClassDB::bind_method(D_METHOD("set_tilt", "tilt"), &InputEventScreenDrag::set_tilt);
ClassDB::bind_method(D_METHOD("get_tilt"), &InputEventScreenDrag::get_tilt);
ClassDB::bind_method(D_METHOD("set_pressure", "pressure"), &InputEventScreenDrag::set_pressure);
ClassDB::bind_method(D_METHOD("get_pressure"), &InputEventScreenDrag::get_pressure);
ClassDB::bind_method(D_METHOD("set_pen_inverted", "pen_inverted"), &InputEventScreenDrag::set_pen_inverted);
ClassDB::bind_method(D_METHOD("get_pen_inverted"), &InputEventScreenDrag::get_pen_inverted);
ClassDB::bind_method(D_METHOD("set_position", "position"), &InputEventScreenDrag::set_position);
ClassDB::bind_method(D_METHOD("get_position"), &InputEventScreenDrag::get_position);
@ -1302,6 +1338,9 @@ void InputEventScreenDrag::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_velocity"), &InputEventScreenDrag::get_velocity);
ADD_PROPERTY(PropertyInfo(Variant::INT, "index"), "set_index", "get_index");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "tilt"), "set_tilt", "get_tilt");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "pressure"), "set_pressure", "get_pressure");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "pen_inverted"), "set_pen_inverted", "get_pen_inverted");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "position", PROPERTY_HINT_NONE, "suffix:px"), "set_position", "get_position");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "relative", PROPERTY_HINT_NONE, "suffix:px"), "set_relative", "get_relative");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "velocity", PROPERTY_HINT_NONE, "suffix:px/s"), "set_velocity", "get_velocity");

12
core/input/input_event.h
View file

@ -384,6 +384,9 @@ class InputEventScreenDrag : public InputEventFromWindow {
Vector2 pos;
Vector2 relative;
Vector2 velocity;
Vector2 tilt;
float pressure = 0;
bool pen_inverted = false;
protected:
static void _bind_methods();
@ -392,6 +395,15 @@ public:
void set_index(int p_index);
int get_index() const;
void set_tilt(const Vector2 &p_tilt);
Vector2 get_tilt() const;
void set_pressure(float p_pressure);
float get_pressure() const;
void set_pen_inverted(bool p_inverted);
bool get_pen_inverted() const;
void set_position(const Vector2 &p_pos);
Vector2 get_position() const;

9
doc/classes/InputEventScreenDrag.xml
View file

@ -13,12 +13,21 @@
<member name="index" type="int" setter="set_index" getter="get_index" default="0">
The drag event index in the case of a multi-drag event.
</member>
<member name="pen_inverted" type="bool" setter="set_pen_inverted" getter="get_pen_inverted" default="false">
Returns [code]true[/code] when using the eraser end of a stylus pen.
</member>
<member name="position" type="Vector2" setter="set_position" getter="get_position" default="Vector2(0, 0)">
The drag position.
</member>
<member name="pressure" type="float" setter="set_pressure" getter="get_pressure" default="0.0">
Represents the pressure the user puts on the pen. Ranges from [code]0.0[/code] to [code]1.0[/code].
</member>
<member name="relative" type="Vector2" setter="set_relative" getter="get_relative" default="Vector2(0, 0)">
The drag position relative to the previous position (position at the last frame).
</member>
<member name="tilt" type="Vector2" setter="set_tilt" getter="get_tilt" default="Vector2(0, 0)">
Represents the angles of tilt of the pen. Positive X-coordinate value indicates a tilt to the right. Positive Y-coordinate value indicates a tilt toward the user. Ranges from [code]-1.0[/code] to [code]1.0[/code] for both axes.
</member>
<member name="velocity" type="Vector2" setter="set_velocity" getter="get_velocity" default="Vector2(0, 0)">
The drag velocity.
</member>

4
platform/ios/display_server_ios.h
View file

@ -105,10 +105,10 @@ public:
// MARK: - Input
// MARK: Touches
// MARK: Touches and Apple Pencil
void touch_press(int p_idx, int p_x, int p_y, bool p_pressed, bool p_double_click);
void touch_drag(int p_idx, int p_prev_x, int p_prev_y, int p_x, int p_y);
void touch_drag(int p_idx, int p_prev_x, int p_prev_y, int p_x, int p_y, float p_pressure, Vector2 p_tilt);
void touches_cancelled(int p_idx);
// MARK: Keyboard

4
platform/ios/display_server_ios.mm
View file

@ -237,10 +237,12 @@ void DisplayServerIOS::touch_press(int p_idx, int p_x, int p_y, bool p_pressed,
perform_event(ev);
}
void DisplayServerIOS::touch_drag(int p_idx, int p_prev_x, int p_prev_y, int p_x, int p_y) {
void DisplayServerIOS::touch_drag(int p_idx, int p_prev_x, int p_prev_y, int p_x, int p_y, float p_pressure, Vector2 p_tilt) {
Ref<InputEventScreenDrag> ev;
ev.instantiate();
ev->set_index(p_idx);
ev->set_pressure(p_pressure);
ev->set_tilt(p_tilt);
ev->set_position(Vector2(p_x, p_y));
ev->set_relative(Vector2(p_x - p_prev_x, p_y - p_prev_y));
perform_event(ev);

4
platform/ios/godot_view.mm
View file

@ -363,7 +363,9 @@ static const float earth_gravity = 9.80665;
ERR_FAIL_COND(tid == -1);
CGPoint touchPoint = [touch locationInView:self];
CGPoint prev_point = [touch previousLocationInView:self];
DisplayServerIOS::get_singleton()->touch_drag(tid, prev_point.x * self.contentScaleFactor, prev_point.y * self.contentScaleFactor, touchPoint.x * self.contentScaleFactor, touchPoint.y * self.contentScaleFactor);
CGFloat alt = [touch altitudeAngle];
CGVector azim = [touch azimuthUnitVectorInView:self];
DisplayServerIOS::get_singleton()->touch_drag(tid, prev_point.x * self.contentScaleFactor, prev_point.y * self.contentScaleFactor, touchPoint.x * self.contentScaleFactor, touchPoint.y * self.contentScaleFactor, [touch force] / [touch maximumPossibleForce], Vector2(azim.dx, azim.dy) * Math::cos(alt));
}
}
}