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Added freelook inertia

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This commit is contained in:
Marc Gilleron 2017-08-26 21:55:09 +02:00
parent 9f1e3903df
commit 28e1c88f6e
3 changed files with 30 additions and 18 deletions
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1
editor/editor_settings.cpp
View file

@ -672,6 +672,7 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
set("editors/3d/warped_mouse_panning", true);
set("editors/3d/orbit_sensitivity", 0.4);
set("editors/3d/freelook_inertia", 3);
set("editors/3d/freelook_base_speed", 1);

46
editor/plugins/spatial_editor_plugin.cpp
View file

@ -1608,8 +1608,10 @@ Point2i SpatialEditorViewport::_get_warped_mouse_motion(const Ref<InputEventMous
void SpatialEditorViewport::_update_freelook(real_t delta) {
if (!is_freelook_active())
if (!is_freelook_active()) {
freelook_velocity = Vector3();
return;
}
Vector3 forward = camera->get_transform().basis.xform(Vector3(0, 0, -1));
Vector3 right = camera->get_transform().basis.xform(Vector3(1, 0, 0));
@ -1623,53 +1625,61 @@ void SpatialEditorViewport::_update_freelook(real_t delta) {
int key_down = Object::cast_to<InputEventKey>(ED_GET_SHORTCUT("spatial_editor/freelook_down")->get_shortcut().ptr())->get_scancode();
int key_speed_modifier = Object::cast_to<InputEventKey>(ED_GET_SHORTCUT("spatial_editor/freelook_speed_modifier")->get_shortcut().ptr())->get_scancode();
Vector3 velocity;
Vector3 direction;
bool pressed = false;
bool speed_modifier = false;
const Input &input = *Input::get_singleton();
if (input.is_key_pressed(key_left)) {
velocity -= right;
direction -= right;
pressed = true;
}
if (input.is_key_pressed(key_right)) {
velocity += right;
direction += right;
pressed = true;
}
if (input.is_key_pressed(key_forward)) {
velocity += forward;
direction += forward;
pressed = true;
}
if (input.is_key_pressed(key_backwards)) {
velocity -= forward;
direction -= forward;
pressed = true;
}
if (input.is_key_pressed(key_up)) {
velocity += up;
direction += up;
pressed = true;
}
if (input.is_key_pressed(key_down)) {
velocity -= up;
direction -= up;
pressed = true;
}
if (input.is_key_pressed(key_speed_modifier)) {
speed_modifier = true;
}
if (pressed) {
const EditorSettings &s = *EditorSettings::get_singleton();
const real_t base_speed = s.get("editors/3d/freelook_base_speed");
const real_t modifier_speed_factor = s.get("editors/3d/freelook_modifier_speed_factor");
const EditorSettings &s = *EditorSettings::get_singleton();
real_t inertia = s.get("editors/3d/freelook_inertia");
if (inertia < 0)
inertia = 0;
real_t speed = base_speed * cursor.distance;
if (speed_modifier)
speed *= modifier_speed_factor;
const real_t base_speed = s.get("editors/3d/freelook_base_speed");
const real_t modifier_speed_factor = s.get("editors/3d/freelook_modifier_speed_factor");
velocity.normalize();
real_t speed = base_speed * cursor.distance;
if (speed_modifier)
speed *= modifier_speed_factor;
cursor.pos += velocity * (speed * delta);
}
Vector3 instant_velocity = direction * speed;
// Higher inertia should increase "lag" (lerp with factor between 0 and 1)
// Inertia of zero should produce instant movement (lerp with factor of 1)
// Takes reference of 60fps for units, so that inertia of 1 gives approximate lerp factor of 0.5
real_t factor = 1.0 / (1.0 + inertia * delta * 60.f);
freelook_velocity = freelook_velocity.linear_interpolate(instant_velocity, CLAMP(factor, 0, 1));
cursor.pos += freelook_velocity * delta;
}
void SpatialEditorViewport::set_message(String p_message, float p_time) {

1
editor/plugins/spatial_editor_plugin.h
View file

@ -122,6 +122,7 @@ private:
float gizmo_scale;
bool freelook_active;
Vector3 freelook_velocity;
PanelContainer *info;
Label *info_label;