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-rw-r--r--scene/2d/physics_body_2d.cpp31
1 files changed, 20 insertions, 11 deletions
diff --git a/scene/2d/physics_body_2d.cpp b/scene/2d/physics_body_2d.cpp
index 3fd0bef7e9..90663bd675 100644
--- a/scene/2d/physics_body_2d.cpp
+++ b/scene/2d/physics_body_2d.cpp
@@ -1212,7 +1212,7 @@ bool KinematicBody2D::move_and_collide(const Vector2 &p_motion, bool p_infinite_
//so, if you pass 45 as limit, avoid numerical precision errors when angle is 45.
#define FLOOR_ANGLE_THRESHOLD 0.01
-Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const Vector2 &p_floor_direction, bool p_stop_on_slope, int p_max_slides, float p_floor_max_angle, bool p_infinite_inertia) {
+Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const Vector2 &p_up_direction, bool p_stop_on_slope, int p_max_slides, float p_floor_max_angle, bool p_infinite_inertia) {
Vector2 body_velocity = p_linear_velocity;
Vector2 body_velocity_normal = body_velocity.normalized();
@@ -1234,6 +1234,7 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const
on_ceiling = false;
on_wall = false;
colliders.clear();
+ floor_normal = p_up_direction;
floor_velocity = Vector2();
while (p_max_slides) {
@@ -1262,25 +1263,26 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const
colliders.push_back(collision);
motion = collision.remainder;
- if (p_floor_direction == Vector2()) {
+ if (p_up_direction == Vector2()) {
//all is a wall
on_wall = true;
} else {
- if (Math::acos(collision.normal.dot(p_floor_direction)) <= p_floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //floor
+ if (Math::acos(collision.normal.dot(p_up_direction)) <= p_floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //floor
on_floor = true;
+ floor_normal = collision.normal;
on_floor_body = collision.collider_rid;
floor_velocity = collision.collider_vel;
if (p_stop_on_slope) {
- if ((body_velocity_normal + p_floor_direction).length() < 0.01 && collision.travel.length() < 1) {
+ if ((body_velocity_normal + p_up_direction).length() < 0.01 && collision.travel.length() < 1) {
Transform2D gt = get_global_transform();
- gt.elements[2] -= collision.travel.slide(p_floor_direction);
+ gt.elements[2] -= collision.travel.slide(p_up_direction);
set_global_transform(gt);
return Vector2();
}
}
- } else if (Math::acos(collision.normal.dot(-p_floor_direction)) <= p_floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //ceiling
+ } else if (Math::acos(collision.normal.dot(-p_up_direction)) <= p_floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //ceiling
on_ceiling = true;
} else {
on_wall = true;
@@ -1301,11 +1303,11 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const
return body_velocity;
}
-Vector2 KinematicBody2D::move_and_slide_with_snap(const Vector2 &p_linear_velocity, const Vector2 &p_snap, const Vector2 &p_floor_direction, bool p_stop_on_slope, int p_max_slides, float p_floor_max_angle, bool p_infinite_inertia) {
+Vector2 KinematicBody2D::move_and_slide_with_snap(const Vector2 &p_linear_velocity, const Vector2 &p_snap, const Vector2 &p_up_direction, bool p_stop_on_slope, int p_max_slides, float p_floor_max_angle, bool p_infinite_inertia) {
bool was_on_floor = on_floor;
- Vector2 ret = move_and_slide(p_linear_velocity, p_floor_direction, p_stop_on_slope, p_max_slides, p_floor_max_angle, p_infinite_inertia);
+ Vector2 ret = move_and_slide(p_linear_velocity, p_up_direction, p_stop_on_slope, p_max_slides, p_floor_max_angle, p_infinite_inertia);
if (!was_on_floor || p_snap == Vector2()) {
return ret;
}
@@ -1315,15 +1317,16 @@ Vector2 KinematicBody2D::move_and_slide_with_snap(const Vector2 &p_linear_veloci
if (move_and_collide(p_snap, p_infinite_inertia, col, false, true)) {
bool apply = true;
- if (p_floor_direction != Vector2()) {
- if (Math::acos(p_floor_direction.normalized().dot(col.normal)) < p_floor_max_angle) {
+ if (p_up_direction != Vector2()) {
+ if (Math::acos(p_up_direction.normalized().dot(col.normal)) < p_floor_max_angle) {
on_floor = true;
+ floor_normal = col.normal;
on_floor_body = col.collider_rid;
floor_velocity = col.collider_vel;
if (p_stop_on_slope) {
// move and collide may stray the object a bit because of pre un-stucking,
// so only ensure that motion happens on floor direction in this case.
- col.travel = p_floor_direction * p_floor_direction.dot(col.travel);
+ col.travel = p_up_direction * p_up_direction.dot(col.travel);
}
} else {
@@ -1353,6 +1356,11 @@ bool KinematicBody2D::is_on_ceiling() const {
return on_ceiling;
}
+Vector2 KinematicBody2D::get_floor_normal() const {
+
+ return floor_normal;
+}
+
Vector2 KinematicBody2D::get_floor_velocity() const {
return floor_velocity;
@@ -1473,6 +1481,7 @@ void KinematicBody2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_on_floor"), &KinematicBody2D::is_on_floor);
ClassDB::bind_method(D_METHOD("is_on_ceiling"), &KinematicBody2D::is_on_ceiling);
ClassDB::bind_method(D_METHOD("is_on_wall"), &KinematicBody2D::is_on_wall);
+ ClassDB::bind_method(D_METHOD("get_floor_normal"), &KinematicBody2D::get_floor_normal);
ClassDB::bind_method(D_METHOD("get_floor_velocity"), &KinematicBody2D::get_floor_velocity);
ClassDB::bind_method(D_METHOD("set_safe_margin", "pixels"), &KinematicBody2D::set_safe_margin);