mirror of
https://github.com/Nimac0/SDL_Minigame
synced 2026-01-12 12:33:43 +00:00
93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
#include "TransformComponent.h"
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#include "CollisionHandler.h"
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#include "ColliderComponent.h"
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#include "Constants.h"
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#include "Entity.h"
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#include "GameInternal.h"
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#include "Vector2D.h"
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#include <cstdio>
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#include <initializer_list>
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#include <iostream>
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#include "SoundManager.h"
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TransformComponent::TransformComponent()
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{
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position.zero();
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}
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TransformComponent::TransformComponent(int scale)
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{
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position.zero();
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this->scale = scale;
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}
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TransformComponent::TransformComponent(float x, float y)
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{
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this->position.x = x;
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this->position.y = y;
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}
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TransformComponent::TransformComponent(float x, float y, int scale)
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{
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this->position.x = x;
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this->position.y = y;
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this->scale = scale;
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}
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TransformComponent::TransformComponent(float x, float y, int w, int h, int scale)
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{
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this->position.x = x;
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this->position.y = y;
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this->width = w;
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this->height = h;
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this->scale = scale;
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}
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void TransformComponent::init()
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{
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direction.zero();
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}
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void TransformComponent::update()
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{
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float multiplier = direction.x != 0 && direction.y != 0 ? 0.707 : 1; // normalizes vector; only works if directions are in increments of 45°
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Vector2D positionChange(
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direction.x * this->getSpeed() * multiplier,
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direction.y * this->getSpeed() * multiplier
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);
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if (this->entity->hasGroup((size_t)Entity::GroupLabel::PLAYERS)){
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this->setPositionAfterCollision(positionChange);
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}
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position += positionChange;
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}
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void TransformComponent::modifySpeed(int8_t modifier)
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{
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this->speedMod += modifier;
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}
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void TransformComponent::setPositionAfterCollision(Vector2D& positionChange)
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{
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std::initializer_list<Entity::GroupLabel> colliders = { Entity::GroupLabel::MAPTILES, Entity::GroupLabel::COLLIDERS };
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// [getAnyIntersection example code]
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IntersectionBitSet intersections =
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(CollisionHandler::getIntersectionWithBounds(entity, Vector2D(positionChange.x, 0)) |
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(this->entity->getManager()
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.getGame()->collisionHandler->getAnyIntersection<IntersectionBitSet>(entity, Vector2D(positionChange.x, 0), colliders)) &
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IntersectionBitSet("0011")) |
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(CollisionHandler::getIntersectionWithBounds(entity, Vector2D(0, positionChange.y)) |
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(this->entity->getManager()
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.getGame()->collisionHandler->getAnyIntersection<IntersectionBitSet>(entity, Vector2D(0, positionChange.y), colliders)) &
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IntersectionBitSet("1100"));
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if (intersections.test((size_t)Direction::LEFT) || intersections.test((size_t)Direction::RIGHT))
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positionChange.x = 0;
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if (intersections.test((size_t)Direction::UP) || intersections.test((size_t)Direction::DOWN))
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positionChange.y = 0;
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// [getAnyIntersection example code]
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} |