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44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
//
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// Created by Louis Auzuret on 5/20/21
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//
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#include "Component/Movable/MovableComponent.hpp"
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#include "Component/Position/PositionComponent.hpp"
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#include "Component/Collision/CollisionComponent.hpp"
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#include "System/Collision/CollisionSystem.hpp"
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namespace BBM
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{
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CollisionSystem::CollisionSystem(WAL::Wal &wal)
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: WAL::System({typeid(PositionComponent), typeid(CollisionComponent)}), _wal(wal)
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{
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}
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void CollisionSystem::onFixedUpdate(WAL::Entity &entity)
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{
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auto &posA = entity.getComponent<PositionComponent>();
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auto &col = entity.getComponent<CollisionComponent>();
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Vector3f position = posA.position;
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if (entity.hasComponent(typeid(MovableComponent)))
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position += entity.getComponent<MovableComponent>().getVelocity();
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Vector3f minA = Vector3f::min(position, position + col.bound);
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Vector3f maxA = Vector3f::max(position, position + col.bound);
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for (auto &other : _wal.scene->getEntities()) {
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if (&other == &entity)
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continue;
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if (!other.hasComponent(typeid(CollisionComponent)) ||
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!other.hasComponent(typeid(PositionComponent)))
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continue;
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auto colB = entity.getComponent<CollisionComponent>();
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auto posB = other.getComponent<PositionComponent>().position;
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Vector3f minB = Vector3f::min(posB, posB + colB.bound);
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Vector3f maxB = Vector3f::max(posB, posB + colB.bound);
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if ((minA.x <= maxB.x && maxA.x >= minB.x) &&
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(minA.y <= maxB.y && maxA.y >= minB.y) &&
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(minA.z <= maxB.z && maxA.z >= minB.z)) {
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col.getOnCollide()(entity, other);
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colB.getOnCollided()(entity, other);
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}
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}
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}
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} |