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-rw-r--r--engine/src/Camera.cpp21
1 files changed, 21 insertions, 0 deletions
diff --git a/engine/src/Camera.cpp b/engine/src/Camera.cpp
index 41cc5ab..4a95ad8 100644
--- a/engine/src/Camera.cpp
+++ b/engine/src/Camera.cpp
@@ -29,6 +29,27 @@ Camera::to_screen(const Point& world) const
Point
+Camera::top_left() const
+{
+ return to_world({0.0, 0.0});
+}
+
+
+Point
+Camera::center() const
+{
+ return to_world(viewport().scale(0.5));
+}
+
+
+Point
+Camera::bottom_right() const
+{
+ return to_world(viewport());
+}
+
+
+Point
viewport()
{
return {static_cast<double>(GetScreenWidth()), static_cast<double>(GetScreenHeight())};