viktorljung
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
#include "PrecompiledHeader.h"
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#include "Game/BallSystem.h"
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dd::Systems::BallSystem::~BallSystem() {
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}
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void dd::Systems::BallSystem::RegisterComponents(ComponentFactory *cf)
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{
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}
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void dd::Systems::BallSystem::Initialize()
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{
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EVENT_SUBSCRIBE_MEMBER(m_Contact, BallSystem::Contact);
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}
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void dd::Systems::BallSystem::Update(double dt)
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{
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}
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void dd::Systems::BallSystem::UpdateEntity(double dt, EntityID entity, EntityID parent)
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{
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}
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void dd::Systems::BallSystem::OnEntityCommit(EntityID entity)
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{
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}
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void dd::Systems::BallSystem::OnEntityRemoved(EntityID entity)
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{
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}
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bool dd::Systems::BallSystem::Contact(const Events::Contact &event)
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{
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auto ballComponent1 = m_World->GetComponent<Components::Ball>(event.Entity1);
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auto ballComponent2 = m_World->GetComponent<Components::Ball>(event.Entity2);
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//Which is the ball?
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EntityID ballEntity, otherEntitiy;
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glm::vec2 normal;
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if (ballComponent1 != nullptr) {
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ballEntity = event.Entity1;
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otherEntitiy = event.Entity2;
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}
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else if (ballComponent2 != nullptr) {
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ballEntity = event.Entity2;
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otherEntitiy = event.Entity1;
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}
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else {
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return false;
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//TODO: Add support for power-up collisions
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}
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//normal.x = -normal.x;
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auto ballTransform = m_World->GetComponent<Components::Transform>(ballEntity);
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auto otherTransform = m_World->GetComponent<Components::Transform>(otherEntitiy);
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glm::vec2 ballVelocity = glm::vec2(ballTransform->Velocity.x, ballTransform->Velocity.y);
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glm::vec2 reflectedVelocity = glm::reflect(ballVelocity, event.Normal);
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ballTransform->Velocity = glm::vec3(reflectedVelocity, 0.f);
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//LOG_INFO("Velocity: %f, %f\n", ballTransform->Velocity.x, ballTransform->Velocity.y);
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return true;
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}
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