32 lines
781 B
C++
32 lines
781 B
C++
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#include "camera.h"
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#include <cmath>
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#include <SFML/Graphics/Color.hpp>
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#define PI 3.14159265
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static void drawLine(sf::RenderWindow* window, sf::Vector2f pos, float angle, float length, sf::Color color);
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void camera_update(Camera* camera, sf::RenderWindow* window)
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{
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if (!camera || !window) return;
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drawLine(window, camera->pos, camera->direction, 100, sf::Color::Red);
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}
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static void drawLine(sf::RenderWindow* window, sf::Vector2f pos, float angle, float length, sf::Color color)
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{
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if (!window) return;
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sf::Vector2f endOffset(length * cos(angle * PI/180.f), length * sin(angle * PI/180.3));
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sf::Vertex start(pos);
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sf::Vertex end(pos + endOffset);
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start.color = color;
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end.color = color;
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sf::Vertex line[] = { start, end };
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window->draw(line, 2, sf::Lines);
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}
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