Files
SDBA/src/entities/collision_entity.cpp
2021-06-18 16:11:23 +02:00

50 lines
1.5 KiB
C++

#include "collision_entity.h"
namespace entities
{
CollisionEntity::CollisionEntity(const models::TexturedModel& model, const glm::vec3& position,
const glm::vec3& rotation, float scale, const collision::Box& bounding_box)
: Entity(model, position, rotation, scale),
bounding_box(bounding_box)
{
MoveCollisionBox();
}
void CollisionEntity::OnCollide(const collision::Collision& collision)
{
if (on_collide != nullptr)
{
on_collide(collision);
}
}
bool CollisionEntity::IsColliding(const glm::vec3& point) const
{
return (point.x >= min_xyz.x && point.x <= max_xyz.x) &&
(point.y >= min_xyz.y && point.y <= max_xyz.y) &&
(point.z >= min_xyz.z && point.z <= max_xyz.z);
}
bool CollisionEntity::IsColliding(const CollisionEntity& e) const
{
return (min_xyz.x <= e.max_xyz.x && max_xyz.x >= e.min_xyz.x) &&
(min_xyz.y <= e.max_xyz.y && max_xyz.y >= e.min_xyz.y) &&
(min_xyz.z <= e.max_xyz.z && max_xyz.z >= e.min_xyz.z);
}
void CollisionEntity::MoveCollisionBox()
{
bounding_box.center_pos = position;
const glm::vec3 size = bounding_box.size;
min_xyz = { bounding_box.center_pos.x - (0.5 * size.x), bounding_box.center_pos.y, bounding_box.center_pos.z - (0.5 * size.z) };
max_xyz = { bounding_box.center_pos.x + (0.5 * size.x), bounding_box.center_pos.y + size.y, bounding_box.center_pos.z + (0.5 * size.z) };
// min_xyz = bounding_box.center_pos;
// max_xyz = { bounding_box.center_pos.x + size.x, bounding_box.center_pos.y + size.y, bounding_box.center_pos.z + size.z };
}
}