Teo-CD
9678e8c286
In order to implement more complexe behaviors, more information than the distance is needed from a raycast. Add a new struct to store and return this information, currently hit position and hit type, and update castRay to return that instead.
78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
//
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// Created by trotfunky on 27/05/19.
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//
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#ifndef RAYCASTING_WORLD_H
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#define RAYCASTING_WORLD_H
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#include <vector>
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#include <ostream>
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#include <SFML/Graphics.hpp>
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#include <iostream>
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#include <optional>
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#include "Color.h"
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#include "Player.h"
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enum class BlockType {
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AIR,
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WALL,
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DOOR,
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WINDOW,
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};
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struct RaycastResult {
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float distance;
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float hitX;
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float hitY;
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BlockType hitBlock;
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};
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class World {
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public:
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Player player;
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World(int w, int h,
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sf::Color groundColor = Colors::Ground,
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sf::Color ceilingColor = Colors::Ceiling,
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std::vector<BlockType> worldMap = {});
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int getW() const;
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int getH() const;
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void resizeWindow(const sf::FloatRect& resizedView);
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inline BlockType getBlock(int x, int y) const;
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inline BlockType getBlock(float x, float y) const;
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void setBlock(BlockType block, int x, int y, int width = 1, int height = 1);
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void render(sf::RenderWindow&);
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/**
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* Move the world one step forward.
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* @param stepTime delta time since last step, in seconds
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*/
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void step(const float& stepTime);
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friend std::ostream& operator<<(std::ostream& ostream, World const & world);
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private:
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int w;
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int h;
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std::vector<sf::RectangleShape> renderColumns;
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std::vector<BlockType> map;
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sf::Color groundColor;
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sf::Color ceilingColor;
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void fillColumn(sf::RenderWindow&, unsigned int column, float scale,
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sf::Color fillColor = Colors::Wall);
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/**
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* Cast a ray from a given position and return its distance to the origin.
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* @param originX Ray X origin, strictly positive
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* @param originY Ray Y origin, strictly positive
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* @param orientation Angle to cast to, in degrees between 0 and 360
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* @return Result struct containing information on the hit.
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*/
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RaycastResult castRay(float originX, float originY, float orientation) const;
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};
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#endif //RAYCASTING_WORLD_H
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