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45 lines
1.7 KiB
C++
45 lines
1.7 KiB
C++
//
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// Created by Louis Auzuret on 5/20/21
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//
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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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try {
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auto &posA = entity.getComponent<PositionComponent>();
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auto &col = entity.getComponent<CollisionComponent>();
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Vector3f minA = { std::min(posA.getX(), posA.getX() + col.getBoundX()),
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std::min(posA.getY(), posA.getY() + col.getBoundY()),
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std::min(posA.getZ(), posA.getZ() + col.getBoundZ())};
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Vector3f maxA = { std::max(posA.getX(), posA.getX() + col.getBoundX()),
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std::max(posA.getY(), posA.getY() + col.getBoundY()),
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std::max(posA.getZ(), posA.getZ() + col.getBoundZ())};
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for (auto &other : _wal.scene->getEntities()) {
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auto &colB = entity.getComponent<CollisionComponent>();
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auto &posB = other.getComponent<PositionComponent>();
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Vector3f minB = { std::min(posB.getX(), posB.getX() + colB.getBoundX()),
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std::min(posB.getY(), posB.getY() + colB.getBoundY()),
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std::min(posB.getZ(), posB.getZ() + colB.getBoundZ())};
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Vector3f maxB = { std::max(posB.getX(), posB.getX() + colB.getBoundX()),
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std::max(posB.getY(), posB.getY() + colB.getBoundY()),
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std::max(posB.getZ(), posB.getZ() + colB.getBoundZ())};
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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.onCollide(entity, other);
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}
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} catch (std::exception &e) {
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return;
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}
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}
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} |