ulysse
/
2D_Engine
0
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Change how camera works.

This commit is contained in:
Ulysse Cura 2024-10-17 18:07:43 +02:00
parent a1d05dcf27
commit 7f5984b229
3 changed files with 21 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
Camera.hpp
View File

@ -13,38 +13,32 @@
#ifndef CAMERA_HPP
#define CAMERA_HPP
#include <SDL2/SDL.h> // SDL_Rect
#include "Game.hpp" // Game::...
#include "TileMap.hpp" // TileMap::...
#include <SDL2/SDL.h> // SDL_Rect
#include "Game.hpp" // Game::...
#include "TileMap.hpp" // TileMap::...
#include "Vector2D.hpp" // Vector2D class
struct Camera {
Camera(int xpos, int ypos, int width, int height)
Camera(int width, int height)
{
camR.x = xpos;
camR.y = ypos;
camR.w = width;
camR.h = height;
}
Camera(int xpos, int ypos, int width, int height, int z) : zoom(z)
{
camR.x = xpos;
camR.y = ypos;
camR.w = width;
camR.h = height;
}
// Verifie si la caméra ne dépasse pas de la map
// Update camera
void update()
{
camR.x = static_cast<int>(centerPos.x - (static_cast<float>(camR.w) / 2.0f));
camR.y = static_cast<int>(centerPos.y - (static_cast<float>(camR.h) / 2.0f));
if(camR.x < 0) camR.x = 0;
if(camR.y < 0) camR.y = 0;
if(camR.x > Game::tileMap.worldWidth - camR.w) camR.x = Game::tileMap.worldWidth - camR.w;
if(camR.y > Game::tileMap.worldHeight - camR.h) camR.y = Game::tileMap.worldHeight - camR.h;
}
Vector2D<float> centerPos;
SDL_Rect camR;
int zoom; // TODO Zoom pas encore pris en charge
};
#endif

8
ECS/PlayerSystem.hpp
View File

@ -143,6 +143,8 @@ class PlayerSystem : public Component {
Game::camera.camR.x = static_cast<int>(m_transform->position.x - static_cast<float>((Game::camera.camR.w >> 1) - ((m_transform->dimension.x * m_transform->scale) / 2)));
Game::camera.camR.y = static_cast<int>(m_transform->position.y - static_cast<float>((Game::camera.camR.h >> 1) - ((m_transform->dimension.y * m_transform->scale) / 2)));
Game::camera.centerPos.x = static_cast<int>(m_transform->position.x + static_cast<float>((m_transform->dimension.x * m_transform->scale) >> 1));
Game::camera.centerPos.y = static_cast<int>(m_transform->position.y + static_cast<float>((m_transform->dimension.y * m_transform->scale) >> 1));
playerState = State::None;
break;
}
@ -202,6 +204,10 @@ class PlayerSystem : public Component {
void m_setCamera()
{
Vector2D<float> target;
target.x = m_transform->position.x + static_cast<float>((m_transform->dimension.x * m_transform->scale) >> 2);
target.y = m_transform->position.y + static_cast<float>((m_transform->dimension.y * m_transform->scale) >> 2);
float targetX = m_transform->position.x - static_cast<float>((Game::camera.camR.w >> 1) - ((m_transform->dimension.x * m_transform->scale) >> 2));
float targetY = m_transform->position.y - static_cast<float>((Game::camera.camR.h >> 1) - ((m_transform->dimension.y * m_transform->scale) >> 2));
@ -209,6 +215,8 @@ class PlayerSystem : public Component {
if(playerState == State::Running) smoothingFactor = 0.12f;
Game::camera.centerPos.x = static_cast<int>(lerp(Game::camera.centerPos.x, target.x, smoothingFactor));
Game::camera.centerPos.y = static_cast<int>(lerp(Game::camera.centerPos.y, target.y, smoothingFactor));
Game::camera.camR.x = static_cast<int>(lerp(Game::camera.camR.x, targetX, smoothingFactor));
Game::camera.camR.y = static_cast<int>(lerp(Game::camera.camR.y, targetY, smoothingFactor));
}

10
Game.cpp
View File

@ -27,7 +27,7 @@ SDL_Renderer *Game::renderer;
SDL_Texture *Game::textureRenderer;
Events Game::events;
TextureManager Game::textureManager;
Camera Game::camera {0, 0, WINDOW_WIDTH, WINDOW_HEIGHT};
Camera Game::camera {WINDOW_WIDTH, WINDOW_HEIGHT};
TileMap Game::tileMap;
MapManager Game::mapManager;
Manager Game::entityManager;
@ -129,12 +129,8 @@ bool Game::Init()
player.addComponent<AnimationSystem>();
player.addComponent<PlayerSystem>();
camera.camR.x = static_cast<int>(p_transform->position.x - static_cast<float>(camera.camR.w / 2 - p_transform->dimension.x * p_transform->scale / 2));
camera.camR.y = static_cast<int>(p_transform->position.y - static_cast<float>(camera.camR.h / 2 - p_transform->dimension.y * p_transform->scale / 2));
Item &item(p_inventory->addItem());
item.addProperty<NameProperty>("Prout");
camera.centerPos.x = static_cast<int>(p_transform->position.x - static_cast<float>(p_transform->dimension.x) * static_cast<float>(p_transform->scale) / 2.0f);
camera.centerPos.y = static_cast<int>(p_transform->position.y - static_cast<float>(p_transform->dimension.y) * static_cast<float>(p_transform->scale) / 2.0f);
m_isRunning = true;