diff --git a/camera.cpp b/camera.cpp index 14dc741..dd73977 100644 --- a/camera.cpp +++ b/camera.cpp @@ -1,24 +1,40 @@ #include "camera.h" #include -#include - #define PI 3.14159265 +#define DEG_RAD PI/180.f +#define ROTATION_SPEED 180 +#define TRANSLATIONAL_SPEED 100.f static void drawLine(sf::RenderWindow* window, sf::Vector2f pos, float angle, float length, sf::Color color); +static void draw(Camera* camera, sf::RenderWindow* window); +static void move(Camera* camera, float t); -void camera_update(Camera* camera, sf::RenderWindow* window) +void camera_update(Camera* camera, sf::RenderWindow* window, float t) { if (!camera || !window) return; + draw(camera, window); + move(camera, t); +} + +static void draw(Camera* camera, sf::RenderWindow* window) +{ + const float circleRadius = 5.f; + sf::CircleShape circle(circleRadius); + circle.setPosition(camera->pos); + circle.setOrigin(circleRadius, circleRadius); + circle.setFillColor(sf::Color::Green); + drawLine(window, camera->pos, camera->direction, 100, sf::Color::Red); + window->draw(circle); } static void drawLine(sf::RenderWindow* window, sf::Vector2f pos, float angle, float length, sf::Color color) { if (!window) return; - sf::Vector2f endOffset(length * cos(angle * PI/180.f), length * sin(angle * PI/180.3)); + sf::Vector2f endOffset(length * cos(angle * DEG_RAD), length * sin(angle * DEG_RAD)); sf::Vertex start(pos); sf::Vertex end(pos + endOffset); @@ -29,3 +45,23 @@ static void drawLine(sf::RenderWindow* window, sf::Vector2f pos, float angle, fl window->draw(line, 2, sf::Lines); } + +static void move(Camera* camera, float t) +{ + int forward = 0; + int rotation = 0; + if (sf::Keyboard::isKeyPressed(sf::Keyboard::F)) + forward += 1; + if (sf::Keyboard::isKeyPressed(sf::Keyboard::S)) + forward -= 1; + if (sf::Keyboard::isKeyPressed(sf::Keyboard::T)) + rotation +=1; + if (sf::Keyboard::isKeyPressed(sf::Keyboard::R)) + rotation -=1; + + float magnitude = forward * t * TRANSLATIONAL_SPEED; + sf::Vector2f offset(magnitude * cos(camera->direction * DEG_RAD), magnitude *sin(camera->direction * DEG_RAD)); + + camera->pos += offset; + camera->direction += rotation * t * ROTATION_SPEED; +} diff --git a/camera.h b/camera.h index 0f66971..697f78c 100644 --- a/camera.h +++ b/camera.h @@ -1,8 +1,7 @@ #ifndef CAMERA_H #define CAMERA_H -#include -#include +#include typedef struct { @@ -12,6 +11,6 @@ typedef struct float fov; } Camera; -void camera_update(Camera* camera, sf::RenderWindow* window); +void camera_update(Camera* camera, sf::RenderWindow* window, float t); #endif diff --git a/view.cpp b/view.cpp index 3cbf59f..63d4de9 100644 --- a/view.cpp +++ b/view.cpp @@ -9,6 +9,7 @@ static int handleKeyCode(sf::Keyboard::Key key); static sf::Uint32 style = sf::Style::Titlebar; static sf::RenderWindow window(sf::VideoMode(500, 500), "Raycasting", style); +static sf::Clock timer; static Camera camera = { sf::Vector2f(300.f, 250.f), 0.f, 1.f, 70.f }; @@ -37,8 +38,10 @@ int view_update() } window.clear(); + + sf::Time t = timer.restart(); if (!level_update()) return 0; - camera_update(&camera, &window); + camera_update(&camera, &window, t.asSeconds()); window.display(); return 1;