From 0c9e8409866aaeb60b0ecc79d5b2ade0bde0ee30 Mon Sep 17 00:00:00 2001
From: Sara <sara@saragerretsen.nl>
Date: Fri, 6 Oct 2023 23:43:35 +0200
Subject: [PATCH] added camera_world_to_pixel_point

---
 src/camera.c | 9 +++++++++
 src/camera.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/src/camera.c b/src/camera.c
index 7502dfe..2cbcebb 100644
--- a/src/camera.c
+++ b/src/camera.c
@@ -33,3 +33,12 @@ SDL_FRect camera_world_to_pixel_rect(Camera* self, SDL_FRect* world_space) {
         size.x, size.y
     };
 }
+
+Vector camera_world_to_pixel_point(Camera* self, Vector point) {
+    Transform t = self->transform;
+    t.rotation = 0;
+    t.scale = OneVector;
+    t = transform_invert(t);
+
+    return vmulff(transform_point(&t, point), g_render_resolution.x / self->fov);
+}
diff --git a/src/camera.h b/src/camera.h
index c2ab7fa..90c2e4c 100644
--- a/src/camera.h
+++ b/src/camera.h
@@ -18,5 +18,6 @@ extern Camera g_camera;
 extern void camera_init();
 extern SDL_FRect camera_screen_to_world_space(Camera* self, SDL_FRect* camera_space);
 extern SDL_FRect camera_world_to_pixel_rect(Camera* self, SDL_FRect* world_space);
+extern Vector camera_world_to_pixel_point(Camera* self, Vector point);
 
 #endif // !_fencer_camera_h