From 60fee25c444eff33bc84662ddc26bce576c5382e Mon Sep 17 00:00:00 2001 From: fabriceci Date: Tue, 28 Sep 2021 14:52:31 +0200 Subject: [PATCH] Apply delta in move and collide --- doc/classes/PhysicsBody2D.xml | 10 ++++++---- doc/classes/PhysicsBody3D.xml | 10 ++++++---- scene/2d/physics_body_2d.cpp | 14 ++++++++++---- scene/3d/physics_body_3d.cpp | 14 ++++++++++---- 4 files changed, 32 insertions(+), 16 deletions(-) diff --git a/doc/classes/PhysicsBody2D.xml b/doc/classes/PhysicsBody2D.xml index ee28500838b..e108ab62987 100644 --- a/doc/classes/PhysicsBody2D.xml +++ b/doc/classes/PhysicsBody2D.xml @@ -25,11 +25,12 @@ - + - Moves the body along the vector [code]rel_vec[/code]. The body will stop if it collides. Returns a [KinematicCollision2D], which contains information about the collision. + Moves the body along the vector [code]linear_velocity[/code]. This method should be used in [method Node._physics_process] (or in a method called by [method Node._physics_process]), as it uses the physics step's [code]delta[/code] value automatically in calculations. Otherwise, the simulation will run at an incorrect speed. + The body will stop if it collides. Returns a [KinematicCollision2D], which contains information about the collision. If [code]test_only[/code] is [code]true[/code], the body does not move but the would-be collision information is given. [code]safe_margin[/code] is the extra margin used for collision recovery (see [member CharacterBody2D.collision/safe_margin] for more details). @@ -44,11 +45,12 @@ - + - Checks for collisions without moving the body. Virtually sets the node's position, scale and rotation to that of the given [Transform2D], then tries to move the body along the vector [code]rel_vec[/code]. Returns [code]true[/code] if a collision would occur. + Checks for collisions without moving the body. This method should be used in [method Node._physics_process] (or in a method called by [method Node._physics_process]), as it uses the physics step's [code]delta[/code] value automatically in calculations. Otherwise, the simulation will run at an incorrect speed. + Virtually sets the node's position, scale and rotation to that of the given [Transform2D], then tries to move the body along the vector [code]linear_velocity[/code]. Returns [code]true[/code] if a collision would occur. [code]collision[/code] is an optional object of type [KinematicCollision2D], which contains additional information about the collision (should there be one). [code]safe_margin[/code] is the extra margin used for collision recovery (see [member CharacterBody2D.collision/safe_margin] for more details). diff --git a/doc/classes/PhysicsBody3D.xml b/doc/classes/PhysicsBody3D.xml index 174e49ea2da..8718c0caa26 100644 --- a/doc/classes/PhysicsBody3D.xml +++ b/doc/classes/PhysicsBody3D.xml @@ -32,12 +32,13 @@ - + - Moves the body along the vector [code]rel_vec[/code]. The body will stop if it collides. Returns a [KinematicCollision3D], which contains information about the collision. + Moves the body along the vector [code]linear_velocity[/code]. This method should be used in [method Node._physics_process] (or in a method called by [method Node._physics_process]), as it uses the physics step's [code]delta[/code] value automatically in calculations. Otherwise, the simulation will run at an incorrect speed. + The body will stop if it collides. Returns a [KinematicCollision3D], which contains information about the collision. If [code]test_only[/code] is [code]true[/code], the body does not move but the would-be collision information is given. [code]safe_margin[/code] is the extra margin used for collision recovery (see [member CharacterBody3D.collision/safe_margin] for more details). [code]max_collisions[/code] allows to retrieve more than one collision result. @@ -61,12 +62,13 @@ - + - Checks for collisions without moving the body. Virtually sets the node's position, scale and rotation to that of the given [Transform3D], then tries to move the body along the vector [code]rel_vec[/code]. Returns [code]true[/code] if a collision would occur. + Checks for collisions without moving the body. This method should be used in [method Node._physics_process] (or in a method called by [method Node._physics_process]), as it uses the physics step's [code]delta[/code] value automatically in calculations. Otherwise, the simulation will run at an incorrect speed. + Virtually sets the node's position, scale and rotation to that of the given [Transform3D], then tries to move the body along the vector [code]linear_velocity[/code]. Returns [code]true[/code] if a collision would occur. [code]collision[/code] is an optional object of type [KinematicCollision3D], which contains additional information about the collision (should there be one). [code]safe_margin[/code] is the extra margin used for collision recovery (see [member CharacterBody3D.collision/safe_margin] for more details). [code]max_collisions[/code] allows to retrieve more than one collision result. diff --git a/scene/2d/physics_body_2d.cpp b/scene/2d/physics_body_2d.cpp index c5d444090b9..3281afd8197 100644 --- a/scene/2d/physics_body_2d.cpp +++ b/scene/2d/physics_body_2d.cpp @@ -34,8 +34,8 @@ #include "scene/scene_string_names.h" void PhysicsBody2D::_bind_methods() { - ClassDB::bind_method(D_METHOD("move_and_collide", "rel_vec", "test_only", "safe_margin"), &PhysicsBody2D::_move, DEFVAL(false), DEFVAL(0.08)); - ClassDB::bind_method(D_METHOD("test_move", "from", "rel_vec", "collision", "safe_margin"), &PhysicsBody2D::test_move, DEFVAL(Variant()), DEFVAL(0.08)); + ClassDB::bind_method(D_METHOD("move_and_collide", "linear_velocity", "test_only", "safe_margin"), &PhysicsBody2D::_move, DEFVAL(false), DEFVAL(0.08)); + ClassDB::bind_method(D_METHOD("test_move", "from", "linear_velocity", "collision", "safe_margin"), &PhysicsBody2D::test_move, DEFVAL(Variant()), DEFVAL(0.08)); ClassDB::bind_method(D_METHOD("get_collision_exceptions"), &PhysicsBody2D::get_collision_exceptions); ClassDB::bind_method(D_METHOD("add_collision_exception_with", "body"), &PhysicsBody2D::add_collision_exception_with); @@ -57,7 +57,10 @@ PhysicsBody2D::~PhysicsBody2D() { Ref PhysicsBody2D::_move(const Vector2 &p_motion, bool p_test_only, real_t p_margin) { PhysicsServer2D::MotionResult result; - if (move_and_collide(p_motion, result, p_margin, p_test_only)) { + // Hack in order to work with calling from _process as well as from _physics_process; calling from thread is risky. + double delta = Engine::get_singleton()->is_in_physics_frame() ? get_physics_process_delta_time() : get_process_delta_time(); + + if (move_and_collide(p_motion * delta, result, p_margin, p_test_only)) { // Create a new instance when the cached reference is invalid or still in use in script. if (motion_cache.is_null() || motion_cache->reference_get_count() > 1) { motion_cache.instantiate(); @@ -133,7 +136,10 @@ bool PhysicsBody2D::test_move(const Transform2D &p_from, const Vector2 &p_motion r = const_cast(&r_collision->result); } - return PhysicsServer2D::get_singleton()->body_test_motion(get_rid(), p_from, p_motion, p_margin, r); + // Hack in order to work with calling from _process as well as from _physics_process; calling from thread is risky. + double delta = Engine::get_singleton()->is_in_physics_frame() ? get_physics_process_delta_time() : get_process_delta_time(); + + return PhysicsServer2D::get_singleton()->body_test_motion(get_rid(), p_from, p_motion * delta, p_margin, r); } TypedArray PhysicsBody2D::get_collision_exceptions() { diff --git a/scene/3d/physics_body_3d.cpp b/scene/3d/physics_body_3d.cpp index 6f0f0bd1094..f4b431598af 100644 --- a/scene/3d/physics_body_3d.cpp +++ b/scene/3d/physics_body_3d.cpp @@ -38,8 +38,8 @@ #endif void PhysicsBody3D::_bind_methods() { - ClassDB::bind_method(D_METHOD("move_and_collide", "rel_vec", "test_only", "safe_margin", "max_collisions"), &PhysicsBody3D::_move, DEFVAL(false), DEFVAL(0.001), DEFVAL(1)); - ClassDB::bind_method(D_METHOD("test_move", "from", "rel_vec", "collision", "safe_margin", "max_collisions"), &PhysicsBody3D::test_move, DEFVAL(Variant()), DEFVAL(0.001), DEFVAL(1)); + ClassDB::bind_method(D_METHOD("move_and_collide", "linear_velocity", "test_only", "safe_margin", "max_collisions"), &PhysicsBody3D::_move, DEFVAL(false), DEFVAL(0.001), DEFVAL(1)); + ClassDB::bind_method(D_METHOD("test_move", "from", "linear_velocity", "collision", "safe_margin", "max_collisions"), &PhysicsBody3D::test_move, DEFVAL(Variant()), DEFVAL(0.001), DEFVAL(1)); ClassDB::bind_method(D_METHOD("set_axis_lock", "axis", "lock"), &PhysicsBody3D::set_axis_lock); ClassDB::bind_method(D_METHOD("get_axis_lock", "axis"), &PhysicsBody3D::get_axis_lock); @@ -97,7 +97,10 @@ void PhysicsBody3D::remove_collision_exception_with(Node *p_node) { Ref PhysicsBody3D::_move(const Vector3 &p_motion, bool p_test_only, real_t p_margin, int p_max_collisions) { PhysicsServer3D::MotionResult result; - if (move_and_collide(p_motion, result, p_margin, p_test_only, p_max_collisions)) { + // Hack in order to work with calling from _process as well as from _physics_process; calling from thread is risky + double delta = Engine::get_singleton()->is_in_physics_frame() ? get_physics_process_delta_time() : get_process_delta_time(); + + if (move_and_collide(p_motion * delta, result, p_margin, p_test_only, p_max_collisions)) { // Create a new instance when the cached reference is invalid or still in use in script. if (motion_cache.is_null() || motion_cache->reference_get_count() > 1) { motion_cache.instantiate(); @@ -177,7 +180,10 @@ bool PhysicsBody3D::test_move(const Transform3D &p_from, const Vector3 &p_motion r = const_cast(&r_collision->result); } - return PhysicsServer3D::get_singleton()->body_test_motion(get_rid(), p_from, p_motion, p_margin, r, p_max_collisions); + // Hack in order to work with calling from _process as well as from _physics_process; calling from thread is risky + double delta = Engine::get_singleton()->is_in_physics_frame() ? get_physics_process_delta_time() : get_process_delta_time(); + + return PhysicsServer3D::get_singleton()->body_test_motion(get_rid(), p_from, p_motion * delta, p_margin, r, p_max_collisions); } void PhysicsBody3D::set_axis_lock(PhysicsServer3D::BodyAxis p_axis, bool p_lock) {