diff options
author | Camille Mohr-Daurat <pouleyKetchoup@gmail.com> | 2021-08-24 16:01:12 -0700 |
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committer | GitHub <noreply@github.com> | 2021-08-24 16:01:12 -0700 |
commit | c89a5fb8be579936ea0b56bde520133cfa7664ae (patch) | |
tree | a365574cfc0594719c0d72ac71e7662a91961a54 /scene/3d | |
parent | ca7f53dd25cd7ee52004a09d4b7ababb9fa0bca6 (diff) | |
parent | bae06008c8ce9ef53aef5c5600d1149ddc666b27 (diff) |
Merge pull request #51904 from nekomatata/move-and-slide-fixes-3d
Port recent move_and_slide fixes to 3D
Diffstat (limited to 'scene/3d')
-rw-r--r-- | scene/3d/physics_body_3d.cpp | 59 |
1 files changed, 29 insertions, 30 deletions
diff --git a/scene/3d/physics_body_3d.cpp b/scene/3d/physics_body_3d.cpp index 4c36618c99..d34331e1d8 100644 --- a/scene/3d/physics_body_3d.cpp +++ b/scene/3d/physics_body_3d.cpp @@ -1080,8 +1080,6 @@ void RigidBody3D::_reload_physics_characteristics() { #define FLOOR_ANGLE_THRESHOLD 0.01 bool CharacterBody3D::move_and_slide() { - Vector3 body_velocity_normal = linear_velocity.normalized(); - bool was_on_floor = on_floor; // Hack in order to work with calling from _process as well as from _physics_process; calling from thread is risky @@ -1111,7 +1109,7 @@ bool CharacterBody3D::move_and_slide() { floor_normal = Vector3(); floor_velocity = Vector3(); - if (current_floor_velocity != Vector3() && on_floor_body.is_valid()) { + if (!current_floor_velocity.is_equal_approx(Vector3()) && on_floor_body.is_valid()) { PhysicsServer3D::MotionResult floor_result; Set<RID> exclude; exclude.insert(on_floor_body); @@ -1130,39 +1128,35 @@ bool CharacterBody3D::move_and_slide() { for (int iteration = 0; iteration < max_slides; ++iteration) { PhysicsServer3D::MotionResult result; - bool found_collision = false; - bool collided = move_and_collide(motion, result, margin, false, !sliding_enabled); - if (!collided) { - motion = Vector3(); //clear because no collision happened and motion completed - } else { - found_collision = true; - + if (collided) { motion_results.push_back(result); _set_collision_direction(result); - if (on_floor && floor_stop_on_slope) { - if ((body_velocity_normal + up_direction).length() < 0.01) { - Transform3D gt = get_global_transform(); - if (result.travel.length() > margin) { - gt.origin -= result.travel.slide(up_direction); - } else { - gt.origin -= result.travel; - } - set_global_transform(gt); - linear_velocity = Vector3(); - return true; + if (on_floor && floor_stop_on_slope && (linear_velocity.normalized() + up_direction).length() < 0.01) { + Transform3D gt = get_global_transform(); + if (result.travel.length() > margin) { + gt.origin -= result.travel.slide(up_direction); + } else { + gt.origin -= result.travel; } + set_global_transform(gt); + linear_velocity = Vector3(); + motion = Vector3(); + break; } - if (sliding_enabled || !on_floor) { - motion = result.remainder.slide(result.collision_normal); - linear_velocity = linear_velocity.slide(result.collision_normal); + if (result.remainder.is_equal_approx(Vector3())) { + motion = Vector3(); + break; + } - for (int j = 0; j < 3; j++) { - if (locked_axis & (1 << j)) { - linear_velocity[j] = 0.0; - } + if (sliding_enabled || !on_floor) { + Vector3 slide_motion = result.remainder.slide(result.collision_normal); + if (slide_motion.dot(linear_velocity) > 0.0) { + motion = slide_motion; + } else { + motion = Vector3(); } } else { motion = result.remainder; @@ -1171,12 +1165,12 @@ bool CharacterBody3D::move_and_slide() { sliding_enabled = true; - if (!found_collision || motion == Vector3()) { + if (!collided || motion.is_equal_approx(Vector3())) { break; } } - if (was_on_floor && snap != Vector3()) { + if (was_on_floor && !on_floor && !snap.is_equal_approx(Vector3())) { // Apply snap. Transform3D gt = get_global_transform(); PhysicsServer3D::MotionResult result; @@ -1213,6 +1207,11 @@ bool CharacterBody3D::move_and_slide() { linear_velocity += current_floor_velocity; } + // Reset the gravity accumulation when touching the ground. + if (on_floor && linear_velocity.dot(up_direction) <= 0) { + linear_velocity = linear_velocity.slide(up_direction); + } + return motion_results.size() > 0; } |