1 files changed, 20 insertions, 0 deletions
diff --git a/src/game.cpp b/src/game.cpp
new file mode 100644
index 0000000..ccca10f
--- /dev/null
+++ b/src/game.cpp

@@ -0,0 +1,20 @@
+#include "game.h"
+int Game::addSprite(Sprite sprite) {
+  int id = sprites_.size();
+  sprites_.push_back(std::move(sprite));
+  spritesByY_.emplace(sprite.loc().y(), id);
+  return id;
+}
+void Game::moveSprite(int id, vec2i newLoc) {
+  Sprite& sprite = sprites_.at(id);
+  bool changedY = (sprite.loc().y() != newLoc.y());
+  if (changedY) {
+    spritesByY_.erase(std::make_tuple(sprite.loc().y(), id));
+  }
+  sprite.loc() = newLoc;
+  if (changedY) {
+    spritesByY_.emplace(newLoc.y(), id);
+  }
+}
+\ No newline at end of file

diff --git a/src/game.cpp b/src/game.cpp new file mode 100644 index 0000000..ccca10f --- /dev/null +++ b/src/game.cpp
@@ -0,0 +1,20 @@
	1	#include "game.h"
	2
	3	int Game::addSprite(Sprite sprite) {
	4	int id = sprites_.size();
	5	sprites_.push_back(std::move(sprite));
	6	spritesByY_.emplace(sprite.loc().y(), id);
	7	return id;
	8	}
	9
	10	void Game::moveSprite(int id, vec2i newLoc) {
	11	Sprite& sprite = sprites_.at(id);
	12	bool changedY = (sprite.loc().y() != newLoc.y());
	13	if (changedY) {
	14	spritesByY_.erase(std::make_tuple(sprite.loc().y(), id));
	15	}
	16	sprite.loc() = newLoc;
	17	if (changedY) {
	18	spritesByY_.emplace(newLoc.y(), id);
	19	}
	20	} \ No newline at end of file