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Switching physics for traffic

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This commit is contained in:
Segey Lapin
2021-11-01 18:07:26 +03:00
parent b318f5ef8d
commit 25002b9735
2 changed files with 46 additions and 2 deletions
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43
modules/world/traffic.cpp
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@@ -10,7 +10,9 @@
#include "traffic.h"
Traffic::Traffic(): max_spawn_distance(120.0f),
min_spawn_distance(80), delete_distance(Vector3(100.0f, -60.0f, 180.0f)),
min_spawn_distance(80),
delete_distance(Vector3(100.0f, -60.0f, 180.0f)),
physics_distance(Vector3(30.0f, -20.0f, 60.0f)),
list_cooldown(0.0), debug(false)
{
state = 0;
@@ -259,13 +261,52 @@ void Traffic::control_traffic()
Spatial *sp = Object::cast_to<Spatial>(node);
Transform xform = sp->get_global_transform();
Vector3 check = cam_xform.xform_inv(xform.origin);
/* TODO: use AABB instead */
if (fabsf(check.x) > delete_distance.x ||
check.z > delete_distance.z ||
check.z < delete_distance.y)
sp->queue_delete();
else if (fabsf(check.x) > physics_distance.x + 1.0f ||
check.z > physics_distance.z + 1.0f ||
check.z < physics_distance.y - 1) {
if (!sp->has_meta("space"))
vehicle_disable_physics(sp);
} else if (fabsf(check.x) < physics_distance.x - 1.0f ||
check.z < physics_distance.z - 1.0f ||
check.z > physics_distance.y + 1) {
if (sp->has_meta("space"))
vehicle_enable_physics(sp);
}
}
}
void Traffic::vehicle_enable_physics(Spatial *obj)
{
RigidBody *body = Object::cast_to<RigidBody>(obj);
if (!body)
return;
RID space = obj->get_meta("space");
PhysicsServer::get_singleton()->body_set_space(body->get_rid(), space);
obj->remove_meta("space");
if (obj->has_meta("velocity")) {
Vector3 velocity = obj->get_meta("velocity");
body->set_linear_velocity(velocity);
}
}
void Traffic::vehicle_disable_physics(Spatial *obj)
{
RigidBody *body = Object::cast_to<RigidBody>(obj);
if (!body)
return;
RID space = PhysicsServer::get_singleton()->body_get_space(body->get_rid());
Vector3 velocity = body->get_linear_velocity();
obj->set_meta("space", space);
obj->set_meta("velocity", velocity);
PhysicsServer::get_singleton()->body_set_space(body->get_rid(), RID());
}
static Traffic *g_traffic_data = NULL;
Traffic *Traffic::get_singleton()
{

5
modules/world/traffic.h
View File

@@ -9,7 +9,8 @@ protected:
List<Node *>::Element *spawner_e;
float max_spawn_distance;
float min_spawn_distance;
Vector3 delete_distance;
Vector3 delete_distance,
physics_distance;
Ref<RandomNumberGenerator> rnd;
float list_cooldown, spawn_cooldown;
RID immediate, instance;
@@ -18,6 +19,8 @@ protected:
void debug_traffic();
void control_traffic();
void vehicle_enable_physics(Spatial *obj);
void vehicle_disable_physics(Spatial *obj);
public:
Traffic();
~Traffic();