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-rw-r--r--scene/2d/physics_body_2d.cpp55
1 files changed, 30 insertions, 25 deletions
diff --git a/scene/2d/physics_body_2d.cpp b/scene/2d/physics_body_2d.cpp
index 8758ffef9f..8e31688d90 100644
--- a/scene/2d/physics_body_2d.cpp
+++ b/scene/2d/physics_body_2d.cpp
@@ -365,13 +365,6 @@ void RigidBody2D::_body_inout(int p_status, ObjectID p_instance, int p_body_shap
ERR_FAIL_COND(!contact_monitor);
Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.find(objid);
- /*if (obj) {
- if (body_in)
- print_line("in: "+String(obj->call("get_name")));
- else
- print_line("out: "+String(obj->call("get_name")));
- }*/
-
ERR_FAIL_COND(!body_in && !E);
if (body_in) {
@@ -1207,7 +1200,7 @@ bool KinematicBody2D::move_and_collide(const Vector2 &p_motion, bool p_infinite_
//so, if you pass 45 as limit, avoid numerical precision erros 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_infinite_inertia, float p_slope_stop_min_velocity, int p_max_slides, float p_floor_max_angle) {
+Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const Vector2 &p_floor_direction, bool p_infinite_inertia, bool p_stop_on_slope, int p_max_slides, float p_floor_max_angle) {
Vector2 floor_motion = floor_velocity;
if (on_floor && on_floor_body.is_valid()) {
@@ -1228,6 +1221,8 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const
colliders.clear();
floor_velocity = Vector2();
+ Vector2 lv_n = p_linear_velocity.normalized();
+
while (p_max_slides) {
Collision collision;
@@ -1254,8 +1249,10 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const
if (collided) {
+ colliders.push_back(collision);
motion = collision.remainder;
+ bool is_on_slope = false;
if (p_floor_direction == Vector2()) {
//all is a wall
on_wall = true;
@@ -1266,15 +1263,17 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const
on_floor_body = collision.collider_rid;
floor_velocity = collision.collider_vel;
- Vector2 rel_v = lv - floor_velocity;
- Vector2 hv = rel_v - p_floor_direction * p_floor_direction.dot(rel_v);
-
- if (collision.travel.length() < 1 && hv.length() < p_slope_stop_min_velocity) {
- Transform2D gt = get_global_transform();
- gt.elements[2] -= collision.travel;
- set_global_transform(gt);
- return Vector2();
+ if (p_stop_on_slope) {
+ if (Vector2() == lv_n + p_floor_direction) {
+ Transform2D gt = get_global_transform();
+ gt.elements[2] -= collision.travel;
+ set_global_transform(gt);
+ return Vector2();
+ }
}
+
+ is_on_slope = true;
+
} else if (collision.normal.dot(-p_floor_direction) >= Math::cos(p_floor_max_angle + FLOOR_ANGLE_THRESHOLD)) { //ceiling
on_ceiling = true;
} else {
@@ -1282,12 +1281,18 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const
}
}
- Vector2 n = collision.normal;
- motion = motion.slide(n);
- lv = lv.slide(n);
-
- colliders.push_back(collision);
+ if (p_stop_on_slope && is_on_slope) {
+ motion = motion.slide(p_floor_direction);
+ lv = lv.slide(p_floor_direction);
+ } else {
+ Vector2 n = collision.normal;
+ motion = motion.slide(n);
+ lv = lv.slide(n);
+ }
}
+
+ if (p_stop_on_slope)
+ break;
}
if (!found_collision) {
@@ -1301,11 +1306,11 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const
return lv;
}
-Vector2 KinematicBody2D::move_and_slide_with_snap(const Vector2 &p_linear_velocity, const Vector2 &p_snap, const Vector2 &p_floor_direction, bool p_infinite_inertia, float p_slope_stop_min_velocity, int p_max_slides, float p_floor_max_angle) {
+Vector2 KinematicBody2D::move_and_slide_with_snap(const Vector2 &p_linear_velocity, const Vector2 &p_snap, const Vector2 &p_floor_direction, bool p_infinite_inertia, bool p_stop_on_slope, int p_max_slides, float p_floor_max_angle) {
bool was_on_floor = on_floor;
- Vector2 ret = move_and_slide(p_linear_velocity, p_floor_direction, p_infinite_inertia, p_slope_stop_min_velocity, p_max_slides, p_floor_max_angle);
+ Vector2 ret = move_and_slide(p_linear_velocity, p_floor_direction, p_infinite_inertia, p_stop_on_slope, p_max_slides, p_floor_max_angle);
if (!was_on_floor || p_snap == Vector2()) {
return ret;
}
@@ -1439,8 +1444,8 @@ void KinematicBody2D::_notification(int p_what) {
void KinematicBody2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("move_and_collide", "rel_vec", "infinite_inertia", "exclude_raycast_shapes", "test_only"), &KinematicBody2D::_move, DEFVAL(true), DEFVAL(true), DEFVAL(false));
- ClassDB::bind_method(D_METHOD("move_and_slide", "linear_velocity", "floor_normal", "infinite_inertia", "slope_stop_min_velocity", "max_bounces", "floor_max_angle"), &KinematicBody2D::move_and_slide, DEFVAL(Vector2(0, 0)), DEFVAL(true), DEFVAL(5), DEFVAL(4), DEFVAL(Math::deg2rad((float)45)));
- ClassDB::bind_method(D_METHOD("move_and_slide_with_snap", "linear_velocity", "snap", "floor_normal", "infinite_inertia", "slope_stop_min_velocity", "max_bounces", "floor_max_angle"), &KinematicBody2D::move_and_slide_with_snap, DEFVAL(Vector2(0, 0)), DEFVAL(true), DEFVAL(5), DEFVAL(4), DEFVAL(Math::deg2rad((float)45)));
+ ClassDB::bind_method(D_METHOD("move_and_slide", "linear_velocity", "floor_normal", "infinite_inertia", "stop_on_slope", "max_bounces", "floor_max_angle"), &KinematicBody2D::move_and_slide, DEFVAL(Vector2(0, 0)), DEFVAL(true), DEFVAL(false), DEFVAL(4), DEFVAL(Math::deg2rad((float)45)));
+ ClassDB::bind_method(D_METHOD("move_and_slide_with_snap", "linear_velocity", "snap", "floor_normal", "infinite_inertia", "stop_on_slope", "max_bounces", "floor_max_angle"), &KinematicBody2D::move_and_slide_with_snap, DEFVAL(Vector2(0, 0)), DEFVAL(true), DEFVAL(false), DEFVAL(4), DEFVAL(Math::deg2rad((float)45)));
ClassDB::bind_method(D_METHOD("test_move", "from", "rel_vec", "infinite_inertia"), &KinematicBody2D::test_move);