Add text and rendering of color rectangles

Makefile

@@ -1,7 +1,7 @@
 CXX ?= g++
 CFLAGS ?= -O2 -Wall -Wextra -g
 PREFIX ?= /usr/local/bin
-LDFLAGS ?= -lSDL2 -lSDL2_image -lSDL2_gfx -pthread
+LDFLAGS ?= -lSDL2 -lSDL2_image -lSDL2_gfx -lSDL2_ttf -pthread
 
 .PHONY: default
 default: demo

main.cpp

@@ -10,6 +10,7 @@
 #define DESTROYABLE_DESTROY 0x00000001
 
 bool pause = false;
+std::shared_ptr<SDLPP::Font> font;
 
 class Player : public SDLPP::RectangleRender {
 public:
@@ -125,6 +126,10 @@ std::vector<std::shared_ptr<SDLPP::Texture>> bgtextures;
 bool quit = false;
 
 void addStuff(SDLPP::Scene &scene, std::shared_ptr<SDLPP::Renderer> &r) {
+    auto bg = std::make_shared<SDLPP::RectangleRender>(0,0,10,10,r,"#ebdbb2FF", true);
+    bg->setId(123);
+    bg->setPermanent(true);
+    scene.addObject(bg);
     std::shared_ptr<Destroyable> stone;
     double posx = 0;
     while(posx < 3) {
@@ -153,6 +158,10 @@ void addStuff(SDLPP::Scene &scene, std::shared_ptr<SDLPP::Renderer> &r) {
     z->setId(DEATH);
     z->setColiderColor("FF00FF");
     scene.addObject(z);
+    auto y = std::make_shared<SDLPP::RectangleRender>(0, 0, 0.2, 0.1, r);
+    y->setTexture(*font, "THIS IS A TEST", "#FFFFFF", "#000000", 5);
+    y->setId(0);
+    scene.addObject(y);
 }
 
 void quitGame() {
@@ -162,20 +171,10 @@ void quitGame() {
 
 void handleKeyDown(SDL_Keycode key, SDLPP::Scene &scene) {
     switch(key) {
-        case SDLK_UP:
-            scene.setBackground(bgtextures[0]);
-            break;
-        case SDLK_DOWN:
-            scene.setBackground(bgtextures[1]);
-            break;
-        case SDLK_RIGHT:
-            scene.setBackground(bgtextures[2]);
-            break;
-        case SDLK_LEFT:
-            scene.setBackground(bgtextures[3]);
-            break;
         case SDLK_ESCAPE:
-            quitGame();
+            if(pause)
+                scene.setPrevTicks(SDL_GetTicks());
+            pause = !pause;
             break;
         case SDLK_a:
             player->addMovement(-1,0);
@@ -183,6 +182,7 @@ void handleKeyDown(SDL_Keycode key, SDLPP::Scene &scene) {
         case SDLK_d:
             player->addMovement(1,0);
             break;
+        case SDLK_SPACE:
         case SDLK_w:
             if(!player->isJumping() && !pause) {
                 player->setLastStand();
@@ -193,14 +193,7 @@ void handleKeyDown(SDL_Keycode key, SDLPP::Scene &scene) {
             break;
         case SDLK_r:
             scene.getRenderer().setRenderColiders(!scene.getRenderer().getRenderColiders());
-            break;
-        case SDLK_SPACE:
-            if(pause)
-                scene.setPrevTicks(SDL_GetTicks());
-            pause = !pause;
-            break;
         default:
-            scene.setBackground(bgtextures[4]);
             break;
     }
 }
@@ -290,14 +283,14 @@ int main() {
     SDLPP::init();
     SDLPP::Window w("Oh yeah, boi!");
     auto renderer = std::make_shared<SDLPP::Renderer>(w);
-    renderer->setBlendMode(SDL_BLENDMODE_ADD);
+    renderer->setBlendMode(SDL_BLENDMODE_BLEND);
     auto main_scene = std::make_shared<SDLPP::Scene>(renderer);
     bgtextures.push_back(std::make_shared<SDLPP::Texture>(renderer, "1.bmp"));
     bgtextures.push_back(std::make_shared<SDLPP::Texture>(renderer, "2.bmp"));
     bgtextures.push_back(std::make_shared<SDLPP::Texture>(renderer, "3.png"));
     bgtextures.push_back(std::make_shared<SDLPP::Texture>(renderer, "4.png"));
     bgtextures.push_back(std::make_shared<SDLPP::Texture>(renderer, "test.bmp"));
-    main_scene->setBackground(bgtextures[0]);
+    font = std::make_shared<SDLPP::Font>("testfont.ttf", 24);
     addStuff(*main_scene, renderer);
     player->setMovementSpeed(0.3);
     player->enableGravity();

sdlpp.cpp

@@ -12,6 +12,10 @@ bool SDLPP::init() {
         std::cerr << "SDL_image could not initialize! SDL_image Error: " <<  IMG_GetError() << std::endl;
         return false;
     }
+    if( TTF_Init() == -1 ) {
+        std::cerr << "SDL_ttf could not initialize! SDL_ttf Error: " << TTF_GetError() << std::endl;
+        return false;
+    }
     return true;
 }
 
@@ -132,13 +136,33 @@ int SDLPP::hex2num(char c) {
     }
 }
 
-std::tuple<int, int, int> SDLPP::getColorsHEX(const std::string &color) {
-    int red = 0, green = 0, blue = 0;
+std::tuple<int, int, int, int> SDLPP::getColorsHEX(const std::string &color) {
+    int red = 0, green = 0, blue = 0, alpha = 255;
     const char *color_ptr = color.c_str();
     if(color_ptr[0] == '#')
         color_ptr++;
     red = hex2num(color_ptr[0])*16 + hex2num(color_ptr[1]);
     green = hex2num(color_ptr[2])*16 + hex2num(color_ptr[3]);
     blue = hex2num(color_ptr[4])*16 + hex2num(color_ptr[5]);
-    return {red, green, blue};
+    if( color_ptr[6] != '\0' )
+        alpha = hex2num(color_ptr[6])*16 + hex2num(color_ptr[7]);
+    return {red, green, blue, alpha};
+}
+
+SDL_Color SDLPP::getSDLColorTuple(const std::tuple<int, int, int, int> &tuple) {
+    SDL_Color ret_color{};
+    ret_color.r = std::get<0>(tuple);
+    ret_color.g = std::get<1>(tuple);
+    ret_color.b = std::get<2>(tuple);
+    ret_color.a = std::get<3>(tuple);
+    return ret_color;
+}
+
+SDL_Color SDLPP::getSDLColorHEX(const std::string &color) {
+    auto color_tuple = SDLPP::getColorsHEX(color);
+    return getSDLColorTuple(color_tuple);
+}
+
+std::tuple<int, int, int, int> SDLPP::getColorsSDLColor(const SDL_Color &color) {
+    return {color.r, color.g, color.b, color.a};
 }

sdlpp.hpp

@@ -3,6 +3,7 @@
 
 #include <SDL2/SDL.h>
 #include <SDL2/SDL_image.h>
+#include <SDL2/SDL_ttf.h>
 #include <algorithm>
 #include <cmath>
 #include <iostream>
@@ -15,7 +16,10 @@ namespace SDLPP {
 
 int hex2num(char c);
 
-std::tuple<int, int, int> getColorsHEX(const std::string &color);
+std::tuple<int, int, int, int> getColorsHEX(const std::string &color);
+SDL_Color getSDLColorHEX(const std::string &color);
+std::tuple<int, int, int, int> getColorsSDLColor(const SDL_Color &color);
+SDL_Color getSDLColorTuple(const std::tuple<int, int, int, int> &tuple);
 
 class Window {
 public:
@@ -92,6 +96,37 @@ private:
     bool render_coliders = false;
 };
 
+class Font {
+public:
+    Font() = delete;
+    Font(const std::string &font, int size) {
+        font_ptr = TTF_OpenFont(font.c_str(), size);
+    }
+    ~Font() {
+        TTF_CloseFont( font_ptr );
+    }
+    const TTF_Font *getFont() const {
+        return font_ptr;
+    }
+    TTF_Font *getFont() {
+        return font_ptr;
+    }
+    void setOutline(int size) {
+        TTF_SetFontOutline(font_ptr, size);
+    }
+    int getOutline() {
+        return TTF_GetFontOutline(font_ptr);
+    }
+    void setStyle(int style) {
+        TTF_SetFontStyle(font_ptr, style);
+    }
+    void setHinting(int hinting) {
+        TTF_SetFontHinting(font_ptr, hinting);
+    }
+private:
+    TTF_Font *font_ptr;
+};
+
 class Texture {
 public:
     Texture() = delete;
@@ -106,12 +141,37 @@ public:
             auto colors = getColorsHEX(color_key);
             SDL_SetColorKey(surface, SDL_TRUE, SDL_MapRGB(surface->format, std::get<0>(colors), std::get<1>(colors), std::get<2>(colors)));
         }
-        texture = SDL_CreateTextureFromSurface(renderer->getRendererPtr(), surface);
-        if( texture == NULL ) {
-            std::cerr << "Unable to create texture from '" << img_path << "'! SDL Error: " << SDL_GetError() << std::endl;
-            throw "Texture error";
+        setTextureFromSurface(renderer, surface);
+    }
+    Texture(std::shared_ptr<Renderer> &renderer, Font &font, const std::string &text, const std::string &color = "FFFFFF", const std::string &outline_color = "000000", const int outline_size = -1) {
+        if(outline_size != -1) {
+            font.setOutline(outline_size);
         }
-        SDL_FreeSurface(surface);
+        int og_outline = 0;
+        SDL_Surface *bg_surface = NULL;
+        if((og_outline = font.getOutline()) != 0) {
+            bg_surface = TTF_RenderUTF8_Blended( font.getFont(), text.c_str(), getSDLColorHEX(outline_color) );
+            if( bg_surface == NULL ) {
+                std::cerr << "Unable to render text '" << text << "': TTF Error: " << TTF_GetError() << std::endl;
+                throw "TTF_RenderUTF8_Shaded error";
+            }
+            font.setOutline(0);
+        }
+        SDL_Surface *surface = TTF_RenderUTF8_Blended( font.getFont(), text.c_str(), getSDLColorHEX(color) );
+        if( surface == NULL ) {
+            std::cerr << "Unable to render text '" << text << "': TTF Error: " << TTF_GetError() << std::endl;
+            throw "TTF_RenderUTF8_Shaded error";
+        }
+        if(og_outline != 0) {
+            SDL_Rect rect = {og_outline, og_outline, surface->w, surface->h};
+            SDL_SetSurfaceBlendMode(surface, SDL_BLENDMODE_BLEND);
+            SDL_BlitSurface(surface, NULL, bg_surface, &rect);
+            SDL_FreeSurface(surface);
+            surface = bg_surface;
+            bg_surface = NULL;
+            font.setOutline(og_outline);
+        }
+        setTextureFromSurface(renderer, surface);
     }
     ~Texture() {
         SDL_DestroyTexture(texture);
@@ -120,6 +180,14 @@ public:
         return texture;
     }
 private:
+    void setTextureFromSurface(std::shared_ptr<Renderer> &renderer, SDL_Surface *surface) {
+        texture = SDL_CreateTextureFromSurface(renderer->getRendererPtr(), surface);
+        if( texture == NULL ) {
+            std::cerr << "Unable to create texture from surface! SDL Error: " << SDL_GetError() << std::endl;
+            throw "Texture error";
+        }
+        SDL_FreeSurface(surface);
+    }
     SDL_Texture *texture = NULL;
 };
 
@@ -144,19 +212,24 @@ public:
         position_x = original_x * w + x;
         position_y = original_y * h + y;
     }
-    virtual void render(Renderer &renderer, const std::tuple<int,int,int> &color) = 0;
+    virtual void render(Renderer &renderer, const std::tuple<int,int,int,int> &color) = 0;
+    virtual void render(Renderer &renderer) = 0;
     int getX() const {
         return position_x;
     }
     int getY() const {
         return position_y;
     }
+    void setColor(const std::string &color) {
+        sdl_color = getSDLColorHEX(color);
+    }
 protected:
     double original_x;
     double original_y;
     int position_x;
     int position_y;
     bool infinite = false;
+    SDL_Color sdl_color;
 };
 
 class Scene;
@@ -206,6 +279,9 @@ public:
     void setTexture(const std::string &img_path) {
         texture = std::make_shared<Texture>(renderer, img_path);
     }
+    void setTexture(Font &font, const std::string &text, const std::string &color = "FFFFFF", const std::string &outline_color = "000000", int outline_size = -1) {
+        texture = std::make_shared<Texture>(renderer, font, text, color, outline_color, outline_size);
+    }
     // per second, relative to window width
     void setMovementSpeed(double speed) {
         movementSpeed = speed;
@@ -248,18 +324,26 @@ public:
     virtual void move(int ticks) = 0;
     virtual void updateSizeAndPosition() = 0;
     virtual SDL_Rect getRect() = 0;
+    void setPermanent(bool perm) {
+        permanent = perm;
+    }
+    bool getPermanent() const {
+        return permanent;
+    }
 protected:
     std::vector<std::shared_ptr<CollisionPolygon>> collisions;
     std::shared_ptr<Texture> texture;
     std::shared_ptr<Renderer> renderer;
+    std::shared_ptr<CollisionPolygon> polygon;
     double movementSpeed;
     std::pair<int,int> movementDirection;
     std::vector<std::shared_ptr<RenderObject>> colidedWith;
     uint64_t id;
     bool hidden = false;
     bool kill = false;
-    std::tuple<int,int,int> colider_color = {0x00, 0xFF, 0xFF};
+    std::tuple<int,int,int,int> colider_color = {0x00, 0xFF, 0xFF, 0xFF};
     uint64_t scene_id;
+    bool permanent = false;
 private:
     void setSceneID(int id) {
         scene_id = id;
@@ -323,7 +407,8 @@ public:
         checkKilled();
         render_mutex.lock();
         SDL_RenderClear(renderer->getRendererPtr());
-        SDL_RenderCopy(renderer->getRendererPtr(), background->getTexturePtr(), NULL, NULL);
+        if(background && background->getTexturePtr())
+            SDL_RenderCopy(renderer->getRendererPtr(), background->getTexturePtr(), NULL, NULL);
         for( const auto &x : renderObjects ) {
             x->render();
         }
@@ -405,6 +490,133 @@ private:
     std::mutex render_mutex;
 };
 
+class Rect : public CollisionPolygon {
+public:
+    Rect(double x, double y, double w, double h) : CollisionPolygon(x, y) {
+        w_ = w;
+        h_ = h;
+    }
+    virtual ~Rect() {}
+    virtual bool colidesWith(const CollisionPolygon &other) const override;
+    virtual bool isCircle() const override { return false; }
+    virtual int topmost() const override {
+        return (!isInfinite() || original_y != -1) * getY() + isInfinite() * -1;
+    }
+    virtual int bottommost() const override {
+        return (!isInfinite() || h_ != -1) * (getY() + pixel_h) + isInfinite() * -1;
+    };
+    virtual int leftmost() const override {
+        return (!isInfinite() || original_x != -1) * getX() + isInfinite() * -1;
+    }
+    virtual int rightmost() const override {
+        return (!isInfinite() || w_ != -1) * (getX() + pixel_w) + isInfinite() * -1;
+    }
+    virtual void updateCollision(int x, int y, int w, int h) override {
+        position_x = original_x * w + x;
+        position_y = original_y * h + y;
+        pixel_w = w_ * w;
+        pixel_h = h_ * h;
+    }
+    virtual void render(Renderer &renderer, const std::tuple<int,int,int,int> &color) override {
+        auto rect = getRect();
+        // outline with desired color at 50% opacity
+        SDL_SetRenderDrawColor(renderer.getRendererPtr(), std::get<0>(color), std::get<1>(color), std::get<2>(color), 0x80);
+        SDL_RenderDrawRect(renderer.getRendererPtr(), &rect);
+        // fill with desired color at 25% opacity
+        SDL_SetRenderDrawColor(renderer.getRendererPtr(), std::get<0>(color), std::get<1>(color), std::get<2>(color), 0x40);
+        SDL_RenderFillRect(renderer.getRendererPtr(), &rect);
+    }
+    virtual void render(Renderer &renderer) override {
+        auto rect = getRect();
+        SDL_SetRenderDrawColor(renderer.getRendererPtr(), sdl_color.r, sdl_color.g, sdl_color.b, sdl_color.a);
+        SDL_RenderFillRect(renderer.getRendererPtr(), &rect);
+    }
+private:
+    SDL_Rect getRect() {
+        if( !isInfinite() )
+            return {leftmost(), topmost(), pixel_w, pixel_h};
+
+        SDL_Rect r = {0,0,0,0};
+        if((r.x = leftmost()) == -1)
+            r.x = 0;
+        if((r.y = topmost()) == -1)
+            r.y = 0;
+        if(rightmost() == -1)
+            r.w = std::numeric_limits<int>::max();
+        else
+            r.w = pixel_w;
+        if(bottommost() == -1)
+            r.h = std::numeric_limits<int>::max();
+        else
+            r.h = pixel_h;
+        return r;
+    }
+
+    double w_;
+    double h_;
+    int pixel_w;
+    int pixel_h;
+};
+
+class Circle : public CollisionPolygon {
+public:
+    Circle(double x, double y, double rad) : CollisionPolygon(x, y) {
+        original_rad = rad;
+    }
+    virtual ~Circle() {}
+    virtual bool colidesWith(const CollisionPolygon &other) const override;
+    virtual bool isCircle() const override { return true; }
+    virtual int topmost() const override { return getY() - rad_; }
+    virtual int bottommost() const override { return getY() + rad_; };
+    virtual int leftmost() const override { return getX() - rad_; }
+    virtual int rightmost() const override { return getX() + rad_; }
+    virtual void updateCollision(int x, int y, int w, int h) override {
+        position_x = original_x * w + x;
+        position_y = original_y * h + y;
+        rad_ = original_rad * w;
+    }
+    virtual void render(Renderer &renderer, const std::tuple<int,int,int,int> &color) override {
+        std::vector<int> rect = {leftmost(), topmost(), rightmost(), bottommost()};
+        auto center_x = getX();
+        auto center_y = getY();
+        auto radsq = rad_ * rad_;
+        for(int i = rect[0]; i <= rect[2]; i++) {
+            auto xdiff = center_x - i;
+            auto xdist = xdiff * xdiff;
+            auto allowed_rad = sqrt(radsq - xdist);
+            SDL_SetRenderDrawColor(renderer.getRendererPtr(), std::get<0>(color), std::get<1>(color), std::get<2>(color), 0x40);
+            SDL_RenderDrawLine(renderer.getRendererPtr(), i, center_y - allowed_rad, i, center_y + allowed_rad);
+            SDL_SetRenderDrawColor(renderer.getRendererPtr(), std::get<0>(color), std::get<1>(color), std::get<2>(color), 0x80);
+            SDL_RenderDrawLine(renderer.getRendererPtr(), i, center_y - allowed_rad, i, center_y - allowed_rad + 2);
+            SDL_RenderDrawLine(renderer.getRendererPtr(), i, center_y + allowed_rad, i, center_y + allowed_rad - 2);
+        }
+        SDL_SetRenderDrawColor(renderer.getRendererPtr(), 0xFF, 0, 0, 0xFF);
+        SDL_RenderDrawLine(renderer.getRendererPtr(), center_x, center_y, center_x + rad_, center_y);
+        SDL_RenderDrawLine(renderer.getRendererPtr(), center_x, center_y, center_x, center_y + rad_);
+        SDL_RenderDrawLine(renderer.getRendererPtr(), center_x, center_y, center_x - rad_, center_y);
+        SDL_RenderDrawLine(renderer.getRendererPtr(), center_x, center_y, center_x, center_y - rad_);
+    }
+    virtual void render(Renderer &renderer) override {
+        std::vector<int> rect = {leftmost(), topmost(), rightmost(), bottommost()};
+        auto center_x = getX();
+        auto center_y = getY();
+        auto radsq = rad_ * rad_;
+        for(int i = rect[0]; i <= rect[2]; i++) {
+            auto xdiff = center_x - i;
+            auto xdist = xdiff * xdiff;
+            auto allowed_rad = sqrt(radsq - xdist);
+            SDL_SetRenderDrawColor(renderer.getRendererPtr(), sdl_color.r, sdl_color.g, sdl_color.b, sdl_color.a);
+            SDL_RenderDrawLine(renderer.getRendererPtr(), i, center_y - allowed_rad, i, center_y + allowed_rad);
+        }
+    }
+private:
+    int getRadius() const {
+        return rad_;
+    }
+    double original_rad;
+    int rad_;
+};
+
 class RectangleRender : public RenderObject {
 public:
     RectangleRender() = delete;
@@ -420,12 +632,18 @@ public:
         w_ = w;
         h_ = h;
     }
-    RectangleRender(int x, int y, int w, int h, std::shared_ptr<Renderer> &r, std::shared_ptr<Texture> &t) : RectangleRender(x, y, w, h, r) {
+    RectangleRender(double x, double y, double w, double h, std::shared_ptr<Renderer> &r, std::shared_ptr<Texture> &t) : RectangleRender(x, y, w, h, r) {
         setTexture(t);
     }
-    RectangleRender(int x, int y, int w, int h, std::shared_ptr<Renderer> &r, const std::string &img_path) : RectangleRender(x,y,w,h,r) {
-        auto texture = std::make_shared<Texture>(r, img_path);
-        setTexture(texture);
+    RectangleRender(double x, double y, double w, double h, std::shared_ptr<Renderer> &r, const std::string &img_or_color, bool is_polygon = false) : RectangleRender(x,y,w,h,r) {
+        if(!is_polygon) {
+            auto texture = std::make_shared<Texture>(r, img_or_color);
+            setTexture(texture);
+        } else {
+            polygon = std::make_shared<Rect>(0,0,1,1);
+            polygon->setColor(img_or_color);
+            polygon->updateCollision(collisionPushX(), collisionPushY(), collisionWidth(), collisionHeight());
+        }
     }
     virtual void specialAction(int /*UNUSED*/) {};
     virtual void render() {
@@ -435,8 +653,13 @@ public:
             for(const auto &col : getCollisions())
                 col->render(*renderer, colider_color);
         }
+        if(polygon) {
+            polygon->render(*renderer);
+        }
     }
     virtual void move(int ticks) {
+        if(permanent)
+            return;
         auto dimension = renderer->getSmallerSide();
         auto addx = static_cast<double>(movementSpeed * movementDirection.first)*(static_cast<double>(ticks)/1000);
         auto addy = static_cast<double>(movementSpeed * movementDirection.second)*(static_cast<double>(ticks)/1000);
@@ -447,6 +670,8 @@ public:
         for( auto &x : collisions ) {
             x->updateCollision(collisionPushX(), collisionPushY(), collisionWidth(), collisionHeight());
         }
+        if(polygon)
+            polygon->updateCollision(collisionPushX(), collisionPushY(), collisionWidth(), collisionHeight());
     }
     virtual std::pair<std::pair<double,double>,std::pair<double,double>> getDoubleRect() {
         return {{x_,y_}, {w_,h_}};
@@ -488,6 +713,8 @@ public:
         rect.y = y_ * dimension;
         rect.w = w_ * dimension;
         rect.h = h_ * dimension;
+        if(polygon)
+            polygon->updateCollision(collisionPushX(), collisionPushY(), collisionWidth(), collisionHeight());
     }
     virtual SDL_Rect getRect() {
         return rect;
@@ -535,115 +762,6 @@ private:
     int rad_;
 };
 
-class Rect : public CollisionPolygon {
-public:
-    Rect(double x, double y, double w, double h) : CollisionPolygon(x, y) {
-        w_ = w;
-        h_ = h;
-    }
-    virtual ~Rect() {}
-    virtual bool colidesWith(const CollisionPolygon &other) const override;
-    virtual bool isCircle() const override { return false; }
-    virtual int topmost() const override {
-        return (!isInfinite() || original_y != -1) * getY() + isInfinite() * -1;
-    }
-    virtual int bottommost() const override {
-        return (!isInfinite() || h_ != -1) * (getY() + pixel_h) + isInfinite() * -1;
-    };
-    virtual int leftmost() const override {
-        return (!isInfinite() || original_x != -1) * getX() + isInfinite() * -1;
-    }
-    virtual int rightmost() const override {
-        return (!isInfinite() || w_ != -1) * (getX() + pixel_w) + isInfinite() * -1;
-    }
-    virtual void updateCollision(int x, int y, int w, int h) override {
-        position_x = original_x * w + x;
-        position_y = original_y * h + y;
-        pixel_w = w_ * w;
-        pixel_h = h_ * h;
-    }
-    virtual void render(Renderer &renderer, const std::tuple<int,int,int> &color) override {
-        auto rect = getRect();
-        // outline with desired color at 50% opacity
-        SDL_SetRenderDrawColor(renderer.getRendererPtr(), std::get<0>(color), std::get<1>(color), std::get<2>(color), 0x80);
-        SDL_RenderDrawRect(renderer.getRendererPtr(), &rect);
-        // fill with desired color at 25% opacity
-        SDL_SetRenderDrawColor(renderer.getRendererPtr(), std::get<0>(color), std::get<1>(color), std::get<2>(color), 0x40);
-        SDL_RenderFillRect(renderer.getRendererPtr(), &rect);
-    }
-private:
-    SDL_Rect getRect() {
-        if( !isInfinite() )
-            return {leftmost(), topmost(), pixel_w, pixel_h};
-
-        SDL_Rect r = {0,0,0,0};
-        if((r.x = leftmost()) == -1)
-            r.x = 0;
-        if((r.y = topmost()) == -1)
-            r.y = 0;
-        if(rightmost() == -1)
-            r.w = std::numeric_limits<int>::max();
-        else
-            r.w = pixel_w;
-        if(bottommost() == -1)
-            r.h = std::numeric_limits<int>::max();
-        else
-            r.h = pixel_h;
-        return r;
-    }
-
-    double w_;
-    double h_;
-    int pixel_w;
-    int pixel_h;
-};
-
-class Circle : public CollisionPolygon {
-public:
-    Circle(double x, double y, double rad) : CollisionPolygon(x, y) {
-        original_rad = rad;
-    }
-    virtual ~Circle() {}
-    virtual bool colidesWith(const CollisionPolygon &other) const override;
-    virtual bool isCircle() const override { return true; }
-    virtual int topmost() const override { return getY() - rad_; }
-    virtual int bottommost() const override { return getY() + rad_; };
-    virtual int leftmost() const override { return getX() - rad_; }
-    virtual int rightmost() const override { return getX() + rad_; }
-    virtual void updateCollision(int x, int y, int w, int h) override {
-        position_x = original_x * w + x;
-        position_y = original_y * h + y;
-        rad_ = original_rad * w;
-    }
-    virtual void render(Renderer &renderer, const std::tuple<int,int,int> &color) override {
-        std::vector<int> rect = {leftmost(), topmost(), rightmost(), bottommost()};
-        auto center_x = getX();
-        auto center_y = getY();
-        auto radsq = rad_ * rad_;
-        for(int i = rect[0]; i <= rect[2]; i++) {
-            auto xdiff = center_x - i;
-            auto xdist = xdiff * xdiff;
-            auto allowed_rad = sqrt(radsq - xdist);
-            SDL_SetRenderDrawColor(renderer.getRendererPtr(), std::get<0>(color), std::get<1>(color), std::get<2>(color), 0x40);
-            SDL_RenderDrawLine(renderer.getRendererPtr(), i, center_y - allowed_rad, i, center_y + allowed_rad);
-            SDL_SetRenderDrawColor(renderer.getRendererPtr(), std::get<0>(color), std::get<1>(color), std::get<2>(color), 0x80);
-            SDL_RenderDrawLine(renderer.getRendererPtr(), i, center_y - allowed_rad, i, center_y - allowed_rad + 2);
-            SDL_RenderDrawLine(renderer.getRendererPtr(), i, center_y + allowed_rad, i, center_y + allowed_rad - 2);
-        }
-        SDL_SetRenderDrawColor(renderer.getRendererPtr(), 0xFF, 0, 0, 0xFF);
-        SDL_RenderDrawLine(renderer.getRendererPtr(), center_x, center_y, center_x + rad_, center_y);
-        SDL_RenderDrawLine(renderer.getRendererPtr(), center_x, center_y, center_x, center_y + rad_);
-        SDL_RenderDrawLine(renderer.getRendererPtr(), center_x, center_y, center_x - rad_, center_y);
-        SDL_RenderDrawLine(renderer.getRendererPtr(), center_x, center_y, center_x, center_y - rad_);
-    }
-private:
-    int getRadius() const {
-        return rad_;
-    }
-    double original_rad;
-    int rad_;
-};
-
 bool init();
 bool init(uint32_t SDL_OPTIONS);
 bool init(uint32_t SDL_OPTIONS, int IMAGE_OPTIONS);