diff options
Diffstat (limited to 'src/crepe/facade')
| -rw-r--r-- | src/crepe/facade/SDLContext.cpp | 25 | ||||
| -rw-r--r-- | src/crepe/facade/SDLContext.h | 6 |
2 files changed, 16 insertions, 15 deletions
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp index f49539c..29a8195 100644 --- a/src/crepe/facade/SDLContext.cpp +++ b/src/crepe/facade/SDLContext.cpp @@ -5,11 +5,9 @@ #include <SDL2/SDL_render.h> #include <SDL2/SDL_surface.h> #include <SDL2/SDL_video.h> -#include <algorithm> #include <cmath> #include <cstddef> #include <functional> -#include <iostream> #include <memory> #include <stdexcept> @@ -109,21 +107,24 @@ SDL_Rect SDLContext::get_src_rect(const Sprite & sprite) const { .h = sprite.sprite_rect.h, }; } -SDL_Rect SDLContext::get_dst_rect(const Sprite & sprite, const Vector2 & pos, - const Vector2 & scale) const { +SDL_Rect SDLContext::get_dst_rect(const Sprite & sprite, const Vector2 & pos, const Vector2 & cam_pos, + const double & img_scale, const Vector2 & cam_scale) const { int pixel_width, pixel_height; if (sprite.sprite_rect.w > sprite.sprite_rect.h) { - pixel_width = static_cast<int>(sprite.width * scale.x); + pixel_width = static_cast<int>(sprite.width * cam_scale.x); pixel_height = static_cast<int>(pixel_width / sprite.aspect_ratio); } else { - pixel_height = static_cast<int>(sprite.height * scale.y); + pixel_height = static_cast<int>(sprite.height * cam_scale.y); pixel_width = static_cast<int>(pixel_height * sprite.aspect_ratio); } - int pixel_x = static_cast<int>((pos.x - pixel_width / 2)); - int pixel_y = static_cast<int>((pos.y - pixel_height / 2)); + pixel_width *= img_scale; + pixel_height *= img_scale; + + int pixel_x = static_cast<int>((pos.x - cam_pos.x - pixel_width / 2)); + int pixel_y = static_cast<int>((pos.y - cam_pos.y - pixel_height / 2)); return SDL_Rect{ .x = pixel_x, @@ -134,27 +135,27 @@ SDL_Rect SDLContext::get_dst_rect(const Sprite & sprite, const Vector2 & pos, } void SDLContext::draw_particle(const Sprite & sprite, const Vector2 & pos, - const double & angle, const Vector2 & scale) { + const double & angle, const Vector2 & cam_pos, const double & img_scale, const Vector2 & cam_scale) { SDL_RendererFlip render_flip = (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * sprite.flip.flip_x) | (SDL_FLIP_VERTICAL * sprite.flip.flip_y)); SDL_Rect srcrect = this->get_src_rect(sprite); - SDL_Rect dstrect = this->get_dst_rect(sprite, pos, scale); + SDL_Rect dstrect = this->get_dst_rect(sprite, pos, cam_pos, img_scale, cam_scale); SDL_RenderCopyEx(this->game_renderer.get(), sprite.sprite_image->texture.get(), &srcrect, &dstrect, angle, NULL, render_flip); } -void SDLContext::draw(const Sprite & sprite, const Transform & transform, const Vector2 & scale) { +void SDLContext::draw(const Sprite & sprite, const Transform & transform, const Vector2 & cam_pos, const Vector2 & cam_scale) { SDL_RendererFlip render_flip = (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * sprite.flip.flip_x) | (SDL_FLIP_VERTICAL * sprite.flip.flip_y)); SDL_Rect srcrect = this->get_src_rect(sprite); - SDL_Rect dstrect = this->get_dst_rect(sprite, transform.position, scale); + SDL_Rect dstrect = this->get_dst_rect(sprite, transform.position, cam_pos, transform.scale, cam_scale); SDL_RenderCopyEx(this->game_renderer.get(), sprite.sprite_image->texture.get(), &srcrect, &dstrect, transform.rotation, NULL, render_flip); diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h index 68d1630..04c60cc 100644 --- a/src/crepe/facade/SDLContext.h +++ b/src/crepe/facade/SDLContext.h @@ -118,9 +118,9 @@ private: * \param transform Reference to the Transform for positioning. * \param camera Reference to the Camera for view adjustments. */ - void draw(const Sprite & sprite, const Transform & transform, const Vector2 & scale); + void draw(const Sprite & sprite, const Transform & transform, const Vector2 & cam_pos, const Vector2 & cam_scale); - void draw_particle(const Sprite & sprite, const Vector2 & pos, const double & angle, const Vector2 & scale); + void draw_particle(const Sprite & sprite, const Vector2 & pos, const double & angle, const Vector2 & cam_pos, const double & img_scale, const Vector2 & cam_scale); //! Clears the screen, preparing for a new frame. void clear_screen(); @@ -152,7 +152,7 @@ private: * on the camera * \return sdl rectangle to draw a dst image to draw on the screen */ - SDL_Rect get_dst_rect(const Sprite & sprite, const Vector2 & pos, const Vector2 & scale) const; + SDL_Rect get_dst_rect(const Sprite & sprite, const Vector2 & pos, const Vector2 & cam_pos, const double & img_scale , const Vector2 & scale) const; private: //! sdl Window |