Motor de sprites/animacions/surfaces i jugador centrat (v0.2.0)

source/core/rendering/sprite/moving_sprite.cpp

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+#include "core/rendering/sprite/moving_sprite.hpp"
+
+#include <utility>
+
+#include "core/rendering/surface.hpp"
+
+MovingSprite::MovingSprite() { Sprite::clear(); }
+
+MovingSprite::MovingSprite(std::shared_ptr<Surface> surface)
+    : Sprite(std::move(surface)) { Sprite::clear(); }
+
+MovingSprite::MovingSprite(std::shared_ptr<Surface> surface, SDL_FRect pos)
+    : Sprite(std::move(surface), pos),
+      x_(pos.x),
+      y_(pos.y) { Sprite::pos_ = pos; }
+
+MovingSprite::MovingSprite(std::shared_ptr<Surface> surface, SDL_FRect pos, SDL_FlipMode flip)
+    : Sprite(std::move(surface), pos),
+      x_(pos.x),
+      y_(pos.y),
+      flip_(flip) { Sprite::pos_ = pos; }
+
+void MovingSprite::clear() {
+    x_ = 0.0F;
+    y_ = 0.0F;
+    vx_ = 0.0F;
+    vy_ = 0.0F;
+    ax_ = 0.0F;
+    ay_ = 0.0F;
+    flip_ = SDL_FLIP_NONE;
+    Sprite::clear();
+}
+
+void MovingSprite::move(float delta_time) {
+    vx_ += ax_ * delta_time;
+    vy_ += ay_ * delta_time;
+    x_ += vx_ * delta_time;
+    y_ += vy_ * delta_time;
+    pos_.x = static_cast<int>(x_);
+    pos_.y = static_cast<int>(y_);
+}
+
+void MovingSprite::update(float delta_time) {
+    move(delta_time);
+}
+
+void MovingSprite::render() {
+    surface_->render(static_cast<int>(pos_.x), static_cast<int>(pos_.y), &clip_, flip_);
+}
+
+void MovingSprite::setPos(SDL_FRect rect) {
+    x_ = rect.x;
+    y_ = rect.y;
+    pos_ = rect;
+}
+
+void MovingSprite::setPos(float x, float y) {
+    x_ = x;
+    y_ = y;
+    pos_.x = static_cast<int>(x_);
+    pos_.y = static_cast<int>(y_);
+}
+
+void MovingSprite::setPosX(float value) {
+    x_ = value;
+    pos_.x = static_cast<int>(x_);
+}
+
+void MovingSprite::setPosY(float value) {
+    y_ = value;
+    pos_.y = static_cast<int>(y_);
+}