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Scales the horizontal velocity according to the wall slope in 2D

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This commit is contained in:
fabriceci 2021-11-19 14:09:17 +01:00
parent 42f8bfaff0
commit 3a4debfa59
1 changed files with 11 additions and 0 deletions
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11
scene/2d/physics_body_2d.cpp
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@ -1317,6 +1317,17 @@ void CharacterBody2D::_move_and_slide_grounded(double p_delta, bool p_was_on_flo
_snap_on_floor(p_was_on_floor, vel_dir_facing_up);
// Scales the horizontal velocity according to the wall slope.
if (is_on_wall_only() && motion_slide_up.dot(motion_results.get(0).collision_normal) < 0) {
Vector2 slide_motion = motion_velocity.slide(motion_results.get(0).collision_normal);
if (motion_slide_up.dot(slide_motion) < 0) {
motion_velocity = up_direction * up_direction.dot(motion_velocity);
} else {
// Keeps the vertical motion from motion_velocity and add the horizontal motion of the projection.
motion_velocity = up_direction * up_direction.dot(motion_velocity) + slide_motion.slide(up_direction);
}
}
// Reset the gravity accumulation when touching the ground.
if (on_floor && !vel_dir_facing_up) {
motion_velocity = motion_velocity.slide(up_direction);